Belfast: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast
- particulate matter (PM2.5) dust - 7 (Good)
- particulate matter (PM10) suspended dust - 12 (Good)
- ozone (O3) - 65 (Good)
- nitrogen dioxide (NO2) - 6 (Good)
- sulfur dioxide (SO2) - 0 (Good)
- carbon monoxide (CO) - 172 (Good)
What is the air quality in Belfast today? Is the air polluted in Belfast?. Is there smog?
What is the current level of PM2.5 in Belfast? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
7 (Good)
For comparison, the highest level of PM2.5 in Belfast in the last 7 days was: 10 (Thursday, August 27, 2026) and the lowest: 3 (Friday, August 21, 2026).
The highest PM2.5 values were recorded: 21 (April 2019).
The lowest level of particulate matter PM2.5 pollution occurs in month: May (6.4).
What is the level of PM10 today in Belfast? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Belfast is:
12 (Good)
The highest PM10 values usually occur in month: 29 (November 2016).
The lowest value of particulate matter PM10 pollution in Belfast is usually recorded in: February (1.6).
How is the O3 level today in Belfast? (ozone (O3))
65 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
6 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)
How high is the CO level? (carbon monoxide (CO))
172 (Good)
Current data Thursday, August 27, 2026 at 2:00 AM
PM2,5 7 (Good)
PM10 12 (Good)
O3 65 (Good)
NO2 6 (Good)
SO2 0 (Good)
CO 172 (Good)
Data on air pollution from recent days in Belfast
index
2026-08-27
2026-08-26
2026-08-25
2026-08-24
2026-08-23
2026-08-22
2026-08-21
2026-08-20
pm25
10
Good
10
Good
5
Good
8
Good
6
Good
5
Good
3
Good
3
Good
pm10
15
Good
16
Good
8
Good
12
Good
9
Good
7
Good
7
Good
6
Good
o3
83
Moderate
86
Moderate
73
Moderate
65
Good
53
Good
59
Good
56
Good
51
Good
no2
5
Good
4
Good
3
Good
9
Good
5
Good
3
Good
3
Good
4
Good
so2
1
Good
1
Good
0
Good
1
Good
0
Good
0
Good
0
Good
0
Good
co
172
Good
164
Good
161
Good
177
Good
174
Good
171
Good
163
Good
147
Good
data source »
Air pollution in Belfast from February 2016 to May 2020
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
2017-08
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
2016-11
2016-10
2016-09
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
o3
64 (Good)
66 (Good)
44 (Good)
29 (Good)
30 (Good)
27 (Good)
23 (Good)
30 (Good)
32 (Good)
40 (Good)
38 (Good)
47 (Good)
56 (Good)
66 (Good)
56 (Good)
45 (Good)
30 (Good)
29 (Good)
33 (Good)
40 (Good)
38 (Good)
30 (Good)
41 (Good)
47 (Good)
55 (Good)
55 (Good)
46 (Good)
44 (Good)
40 (Good)
37 (Good)
35 (Good)
40 (Good)
39 (Good)
34 (Good)
38 (Good)
44 (Good)
56 (Good)
63 (Good)
46 (Good)
47 (Good)
38 (Good)
29 (Good)
26 (Good)
33 (Good)
35 (Good)
39 (Good)
36 (Good)
47 (Good)
61 (Good)
56 (Good)
49 (Good)
35 (Good)
no2
19 (Good)
19 (Good)
30 (Good)
41 (Moderate)
43 (Moderate)
46 (Moderate)
46 (Moderate)
39 (Good)
31 (Good)
28 (Good)
25 (Good)
32 (Good)
33 (Good)
33 (Good)
40 (Moderate)
40 (Moderate)
46 (Moderate)
46 (Moderate)
40 (Moderate)
40 (Moderate)
36 (Good)
32 (Good)
31 (Good)
38 (Good)
37 (Good)
33 (Good)
39 (Good)
42 (Moderate)
41 (Moderate)
42 (Moderate)
47 (Moderate)
39 (Good)
38 (Good)
32 (Good)
29 (Good)
33 (Good)
33 (Good)
34 (Good)
41 (Moderate)
43 (Moderate)
49 (Moderate)
52 (Moderate)
62 (Moderate)
41 (Moderate)
36 (Good)
32 (Good)
31 (Good)
36 (Good)
33 (Good)
34 (Good)
38 (Good)
70 (Moderate)
so2
4.2 (Good)
3.4 (Good)
2.4 (Good)
2.2 (Good)
3.5 (Good)
3 (Good)
2.9 (Good)
4.1 (Good)
7.2 (Good)
7 (Good)
7.5 (Good)
7.8 (Good)
11 (Good)
11 (Good)
6.8 (Good)
5.3 (Good)
14 (Good)
8.5 (Good)
15 (Good)
7.1 (Good)
5.7 (Good)
4 (Good)
8.8 (Good)
7.4 (Good)
4.7 (Good)
4 (Good)
3.2 (Good)
4.2 (Good)
3 (Good)
6.9 (Good)
9.7 (Good)
9.7 (Good)
9.4 (Good)
16 (Good)
5.4 (Good)
12 (Good)
14 (Good)
13 (Good)
8.5 (Good)
9.1 (Good)
6.6 (Good)
5.8 (Good)
9.4 (Good)
12 (Good)
7.5 (Good)
11 (Good)
15 (Good)
10 (Good)
6.7 (Good)
5.3 (Good)
4.5 (Good)
19 (Good)
pm25
6.4 (Good)
8.8 (Good)
7.1 (Good)
7.3 (Good)
8.6 (Good)
9.5 (Good)
11 (Good)
6.7 (Good)
8.2 (Good)
9.3 (Good)
12 (Good)
10 (Good)
12 (Good)
21 (Moderate)
9.8 (Good)
16 (Moderate)
13 (Good)
14 (Moderate)
12 (Good)
11 (Good)
10 (Good)
15 (Moderate)
12 (Good)
17 (Moderate)
15 (Moderate)
14 (Moderate)
13 (Moderate)
11 (Good)
12 (Good)
10 (Good)
8.7 (Good)
7.8 (Good)
9.2 (Good)
9.8 (Good)
10 (Good)
9 (Good)
13 (Moderate)
8.9 (Good)
11 (Good)
10 (Good)
14 (Moderate)
14 (Moderate)
20 (Moderate)
13 (Good)
9.8 (Good)
12 (Good)
9.6 (Good)
14 (Moderate)
11 (Good)
7.5 (Good)
8.5 (Good)
- (Good)
pm10
14 (Good)
19 (Good)
17 (Good)
15 (Good)
15 (Good)
16 (Good)
20 (Good)
15 (Good)
15 (Good)
14 (Good)
13 (Good)
13 (Good)
13 (Good)
26 (Moderate)
17 (Good)
24 (Moderate)
15 (Good)
15 (Good)
14 (Good)
12 (Good)
11 (Good)
14 (Good)
18 (Good)
20 (Moderate)
18 (Good)
17 (Good)
19 (Good)
19 (Good)
14 (Good)
14 (Good)
16 (Good)
17 (Good)
17 (Good)
15 (Good)
13 (Good)
14 (Good)
21 (Moderate)
23 (Moderate)
23 (Moderate)
19 (Good)
23 (Moderate)
24 (Moderate)
29 (Moderate)
29 (Moderate)
19 (Good)
18 (Good)
16 (Good)
22 (Moderate)
20 (Moderate)
17 (Good)
16 (Good)
1.6 (Good)
data source »
Quality of life in Belfast
Green and Parks in the City
Belfast
72%
Isle of Man: 78%
Ireland: 72%
Netherlands: 82%
Belgium: 64%
Faroe Islands: 87%
particulate matter PM2.5
Belfast
10 (Good)
Pleasure of spending time in the city
Belfast
85%
Isle of Man: 83%
Ireland: 78%
Netherlands: 88%
Belgium: 64%
Faroe Islands: 100%
particulate matter PM10
Belfast
19 (Good)
Air Pollution
Belfast
23%
Isle of Man: 13%
Ireland: 24%
Netherlands: 21%
Belgium: 45%
Faroe Islands: 0%
Garbage Disposal
Belfast
74%
Isle of Man: 78%
Ireland: 61%
Netherlands: 79%
Belgium: 54%
Faroe Islands: 88%
Availability and quality of drinking water
Belfast
86%
Isle of Man: 88%
Ireland: 72%
Netherlands: 92%
Belgium: 70%
Faroe Islands: 98%
Cleanliness and tidiness
Belfast
67%
Isle of Man: 69%
Ireland: 52%
Netherlands: 77%
Belgium: 46%
Faroe Islands: 94%
Noise and Light pollution
Belfast
34%
Isle of Man: 12%
Ireland: 37%
Netherlands: 31%
Belgium: 54%
Faroe Islands: 21%
Water Pollution
Belfast
21%
Isle of Man: 13%
Ireland: 37%
Netherlands: 17%
Belgium: 42%
Faroe Islands: 7.7%
Source: Numbeo
Belfast
Thursday, August 27, 2026 at 2:00 AM
PM2,5 7.3 (Good)
particulate matter (PM2.5) dust
PM10 12 (Good)
particulate matter (PM10) suspended dust
O3 65 (Good)
ozone (O3)
NO2 5.5 (Good)
nitrogen dioxide (NO2)
SO2 0.4 (Good)
sulfur dioxide (SO2)
CO 172 (Good)
carbon monoxide (CO)
Belfast
index
2026-08-20
2026-08-21
2026-08-22
2026-08-23
2026-08-24
2026-08-25
2026-08-26
2026-08-27
pm25
3.1
3.3
4.7
6.2
8
4.9
9.7
9.9
pm10
6.2
6.8
7.3
9.2
12
8.3
16
15
o3
51
56
59
53
65
73
86
83
no2
4.3
3.1
3.1
5.1
8.8
3
3.8
5.1
so2
0.3
0.26
0.28
0.38
0.74
0.29
0.52
0.5
co
147
163
171
174
177
161
164
172
Belfast Centre
2016-02 2020-05
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
2017-08
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
2016-11
2016-10
2016-09
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
o3
64
66
44
29
30
27
23
30
32
40
38
47
56
66
56
45
30
29
33
40
38
30
41
47
55
55
46
44
40
37
35
40
39
34
38
44
56
63
46
47
38
29
26
33
35
39
36
47
61
56
49
35
no2
14
16
27
46
47
45
40
28
18
16
15
22
22
28
23
29
39
35
32
25
20
22
20
30
27
27
33
32
32
33
32
25
22
15
16
18
24
19
31
31
36
42
49
31
21
18
18
28
26
27
27
62
so2
4.2
3.4
2.4
2.2
3.5
3
2.9
4.1
7.2
7
7.5
7.8
11
11
6.8
5.3
14
8.5
15
7.1
5.7
4
8.8
7.4
4.7
4
3.2
4.2
3
6.9
9.7
9.7
9.4
16
5.4
12
14
13
8.5
9.1
6.6
5.8
9.4
12
7.5
11
15
10
6.7
5.3
4.5
19
pm25
6.4
8.8
7.1
7.3
8.6
9.5
11
6.7
8.2
9.3
12
10
12
21
9.8
16
13
14
12
11
10
15
12
17
15
14
13
11
12
10
8.7
7.8
9.2
9.8
10
9
13
8.9
11
10
14
14
20
13
9.8
12
9.6
14
11
7.5
8.5
-
pm10
12
16
13
14
14
14
20
13
13
12
9.5
11
12
26
13
21
14
15
15
14
13
17
23
23
18
18
19
18
14
12
12
13
13
11
11
11
18
23
21
16
20
22
27
32
16
16
15
22
19
16
8.5
-
Belfast Stockman's Lane
index
2020-05
2020-04
2020-03
2020-02
2020-01
2019-12
2019-11
2019-10
2019-09
2019-08
2019-07
2019-06
2019-05
2019-04
2019-03
2019-02
2019-01
2018-12
2018-11
2018-10
2018-09
2018-08
2018-07
2018-06
2018-05
2018-04
2018-03
2018-02
2018-01
2017-12
2017-11
2017-10
2017-09
2017-08
2017-07
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
2016-11
2016-10
2016-09
2016-08
2016-07
2016-06
2016-05
2016-04
2016-03
2016-02
no2
23
22
33
37
39
47
52
50
44
40
35
43
44
38
57
51
54
56
48
55
52
42
42
46
48
40
44
52
49
52
62
53
55
50
42
48
42
48
51
55
63
63
75
51
52
46
44
45
40
42
49
77
pm10
16
22
21
16
16
17
20
18
16
15
16
15
14
27
20
26
15
14
13
9.9
8.7
12
14
18
17
15
19
19
15
15
20
22
22
19
16
18
24
24
25
21
26
26
31
25
22
20
17
23
21
18
23
1.6
* Pollution data source:
https://openaq.org
(DEFRA)
The data is licensed under CC-By 4.0
🌦️ Weather · 16-day Forecast — Belfast
PM2,5 7 (Good)
PM10 12 (Good)
O3 65 (Good)
NO2 6 (Good)
SO2 0 (Good)
CO 172 (Good)
Data on air pollution from recent days in Belfast
| index | 2026-08-27 | 2026-08-26 | 2026-08-25 | 2026-08-24 | 2026-08-23 | 2026-08-22 | 2026-08-21 | 2026-08-20 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 10 Good |
10 Good |
5 Good |
8 Good |
6 Good |
5 Good |
3 Good |
3 Good |
| pm10 | 15 Good |
16 Good |
8 Good |
12 Good |
9 Good |
7 Good |
7 Good |
6 Good |
| o3 | 83 Moderate |
86 Moderate |
73 Moderate |
65 Good |
53 Good |
59 Good |
56 Good |
51 Good |
| no2 | 5 Good |
4 Good |
3 Good |
9 Good |
5 Good |
3 Good |
3 Good |
4 Good |
| so2 | 1 Good |
1 Good |
0 Good |
1 Good |
0 Good |
0 Good |
0 Good |
0 Good |
| co | 172 Good |
164 Good |
161 Good |
177 Good |
174 Good |
171 Good |
163 Good |
147 Good |
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 64 (Good) | 66 (Good) | 44 (Good) | 29 (Good) | 30 (Good) | 27 (Good) | 23 (Good) | 30 (Good) | 32 (Good) | 40 (Good) | 38 (Good) | 47 (Good) | 56 (Good) | 66 (Good) | 56 (Good) | 45 (Good) | 30 (Good) | 29 (Good) | 33 (Good) | 40 (Good) | 38 (Good) | 30 (Good) | 41 (Good) | 47 (Good) | 55 (Good) | 55 (Good) | 46 (Good) | 44 (Good) | 40 (Good) | 37 (Good) | 35 (Good) | 40 (Good) | 39 (Good) | 34 (Good) | 38 (Good) | 44 (Good) | 56 (Good) | 63 (Good) | 46 (Good) | 47 (Good) | 38 (Good) | 29 (Good) | 26 (Good) | 33 (Good) | 35 (Good) | 39 (Good) | 36 (Good) | 47 (Good) | 61 (Good) | 56 (Good) | 49 (Good) | 35 (Good) |
| no2 | 19 (Good) | 19 (Good) | 30 (Good) | 41 (Moderate) | 43 (Moderate) | 46 (Moderate) | 46 (Moderate) | 39 (Good) | 31 (Good) | 28 (Good) | 25 (Good) | 32 (Good) | 33 (Good) | 33 (Good) | 40 (Moderate) | 40 (Moderate) | 46 (Moderate) | 46 (Moderate) | 40 (Moderate) | 40 (Moderate) | 36 (Good) | 32 (Good) | 31 (Good) | 38 (Good) | 37 (Good) | 33 (Good) | 39 (Good) | 42 (Moderate) | 41 (Moderate) | 42 (Moderate) | 47 (Moderate) | 39 (Good) | 38 (Good) | 32 (Good) | 29 (Good) | 33 (Good) | 33 (Good) | 34 (Good) | 41 (Moderate) | 43 (Moderate) | 49 (Moderate) | 52 (Moderate) | 62 (Moderate) | 41 (Moderate) | 36 (Good) | 32 (Good) | 31 (Good) | 36 (Good) | 33 (Good) | 34 (Good) | 38 (Good) | 70 (Moderate) |
| so2 | 4.2 (Good) | 3.4 (Good) | 2.4 (Good) | 2.2 (Good) | 3.5 (Good) | 3 (Good) | 2.9 (Good) | 4.1 (Good) | 7.2 (Good) | 7 (Good) | 7.5 (Good) | 7.8 (Good) | 11 (Good) | 11 (Good) | 6.8 (Good) | 5.3 (Good) | 14 (Good) | 8.5 (Good) | 15 (Good) | 7.1 (Good) | 5.7 (Good) | 4 (Good) | 8.8 (Good) | 7.4 (Good) | 4.7 (Good) | 4 (Good) | 3.2 (Good) | 4.2 (Good) | 3 (Good) | 6.9 (Good) | 9.7 (Good) | 9.7 (Good) | 9.4 (Good) | 16 (Good) | 5.4 (Good) | 12 (Good) | 14 (Good) | 13 (Good) | 8.5 (Good) | 9.1 (Good) | 6.6 (Good) | 5.8 (Good) | 9.4 (Good) | 12 (Good) | 7.5 (Good) | 11 (Good) | 15 (Good) | 10 (Good) | 6.7 (Good) | 5.3 (Good) | 4.5 (Good) | 19 (Good) |
| pm25 | 6.4 (Good) | 8.8 (Good) | 7.1 (Good) | 7.3 (Good) | 8.6 (Good) | 9.5 (Good) | 11 (Good) | 6.7 (Good) | 8.2 (Good) | 9.3 (Good) | 12 (Good) | 10 (Good) | 12 (Good) | 21 (Moderate) | 9.8 (Good) | 16 (Moderate) | 13 (Good) | 14 (Moderate) | 12 (Good) | 11 (Good) | 10 (Good) | 15 (Moderate) | 12 (Good) | 17 (Moderate) | 15 (Moderate) | 14 (Moderate) | 13 (Moderate) | 11 (Good) | 12 (Good) | 10 (Good) | 8.7 (Good) | 7.8 (Good) | 9.2 (Good) | 9.8 (Good) | 10 (Good) | 9 (Good) | 13 (Moderate) | 8.9 (Good) | 11 (Good) | 10 (Good) | 14 (Moderate) | 14 (Moderate) | 20 (Moderate) | 13 (Good) | 9.8 (Good) | 12 (Good) | 9.6 (Good) | 14 (Moderate) | 11 (Good) | 7.5 (Good) | 8.5 (Good) | - (Good) |
| pm10 | 14 (Good) | 19 (Good) | 17 (Good) | 15 (Good) | 15 (Good) | 16 (Good) | 20 (Good) | 15 (Good) | 15 (Good) | 14 (Good) | 13 (Good) | 13 (Good) | 13 (Good) | 26 (Moderate) | 17 (Good) | 24 (Moderate) | 15 (Good) | 15 (Good) | 14 (Good) | 12 (Good) | 11 (Good) | 14 (Good) | 18 (Good) | 20 (Moderate) | 18 (Good) | 17 (Good) | 19 (Good) | 19 (Good) | 14 (Good) | 14 (Good) | 16 (Good) | 17 (Good) | 17 (Good) | 15 (Good) | 13 (Good) | 14 (Good) | 21 (Moderate) | 23 (Moderate) | 23 (Moderate) | 19 (Good) | 23 (Moderate) | 24 (Moderate) | 29 (Moderate) | 29 (Moderate) | 19 (Good) | 18 (Good) | 16 (Good) | 22 (Moderate) | 20 (Moderate) | 17 (Good) | 16 (Good) | 1.6 (Good) |
Green and Parks in the City
Belfast 72%
Isle of Man: 78% Ireland: 72% Netherlands: 82% Belgium: 64% Faroe Islands: 87%particulate matter PM2.5
Belfast 10 (Good)
Pleasure of spending time in the city
Belfast 85%
Isle of Man: 83% Ireland: 78% Netherlands: 88% Belgium: 64% Faroe Islands: 100%particulate matter PM10
Belfast 19 (Good)
Air Pollution
Belfast 23%
Isle of Man: 13% Ireland: 24% Netherlands: 21% Belgium: 45% Faroe Islands: 0%Garbage Disposal
Belfast 74%
Isle of Man: 78% Ireland: 61% Netherlands: 79% Belgium: 54% Faroe Islands: 88%Availability and quality of drinking water
Belfast 86%
Isle of Man: 88% Ireland: 72% Netherlands: 92% Belgium: 70% Faroe Islands: 98%Cleanliness and tidiness
Belfast 67%
Isle of Man: 69% Ireland: 52% Netherlands: 77% Belgium: 46% Faroe Islands: 94%Noise and Light pollution
Belfast 34%
Isle of Man: 12% Ireland: 37% Netherlands: 31% Belgium: 54% Faroe Islands: 21%Water Pollution
Belfast 21%
Isle of Man: 13% Ireland: 37% Netherlands: 17% Belgium: 42% Faroe Islands: 7.7%PM2,5 7.3 (Good)
particulate matter (PM2.5) dustPM10 12 (Good)
particulate matter (PM10) suspended dustO3 65 (Good)
ozone (O3)NO2 5.5 (Good)
nitrogen dioxide (NO2)SO2 0.4 (Good)
sulfur dioxide (SO2)CO 172 (Good)
carbon monoxide (CO)Belfast
| index | 2026-08-20 | 2026-08-21 | 2026-08-22 | 2026-08-23 | 2026-08-24 | 2026-08-25 | 2026-08-26 | 2026-08-27 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 3.1 | 3.3 | 4.7 | 6.2 | 8 | 4.9 | 9.7 | 9.9 |
| pm10 | 6.2 | 6.8 | 7.3 | 9.2 | 12 | 8.3 | 16 | 15 |
| o3 | 51 | 56 | 59 | 53 | 65 | 73 | 86 | 83 |
| no2 | 4.3 | 3.1 | 3.1 | 5.1 | 8.8 | 3 | 3.8 | 5.1 |
| so2 | 0.3 | 0.26 | 0.28 | 0.38 | 0.74 | 0.29 | 0.52 | 0.5 |
| co | 147 | 163 | 171 | 174 | 177 | 161 | 164 | 172 |
Belfast Centre
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| o3 | 64 | 66 | 44 | 29 | 30 | 27 | 23 | 30 | 32 | 40 | 38 | 47 | 56 | 66 | 56 | 45 | 30 | 29 | 33 | 40 | 38 | 30 | 41 | 47 | 55 | 55 | 46 | 44 | 40 | 37 | 35 | 40 | 39 | 34 | 38 | 44 | 56 | 63 | 46 | 47 | 38 | 29 | 26 | 33 | 35 | 39 | 36 | 47 | 61 | 56 | 49 | 35 |
| no2 | 14 | 16 | 27 | 46 | 47 | 45 | 40 | 28 | 18 | 16 | 15 | 22 | 22 | 28 | 23 | 29 | 39 | 35 | 32 | 25 | 20 | 22 | 20 | 30 | 27 | 27 | 33 | 32 | 32 | 33 | 32 | 25 | 22 | 15 | 16 | 18 | 24 | 19 | 31 | 31 | 36 | 42 | 49 | 31 | 21 | 18 | 18 | 28 | 26 | 27 | 27 | 62 |
| so2 | 4.2 | 3.4 | 2.4 | 2.2 | 3.5 | 3 | 2.9 | 4.1 | 7.2 | 7 | 7.5 | 7.8 | 11 | 11 | 6.8 | 5.3 | 14 | 8.5 | 15 | 7.1 | 5.7 | 4 | 8.8 | 7.4 | 4.7 | 4 | 3.2 | 4.2 | 3 | 6.9 | 9.7 | 9.7 | 9.4 | 16 | 5.4 | 12 | 14 | 13 | 8.5 | 9.1 | 6.6 | 5.8 | 9.4 | 12 | 7.5 | 11 | 15 | 10 | 6.7 | 5.3 | 4.5 | 19 |
| pm25 | 6.4 | 8.8 | 7.1 | 7.3 | 8.6 | 9.5 | 11 | 6.7 | 8.2 | 9.3 | 12 | 10 | 12 | 21 | 9.8 | 16 | 13 | 14 | 12 | 11 | 10 | 15 | 12 | 17 | 15 | 14 | 13 | 11 | 12 | 10 | 8.7 | 7.8 | 9.2 | 9.8 | 10 | 9 | 13 | 8.9 | 11 | 10 | 14 | 14 | 20 | 13 | 9.8 | 12 | 9.6 | 14 | 11 | 7.5 | 8.5 | - |
| pm10 | 12 | 16 | 13 | 14 | 14 | 14 | 20 | 13 | 13 | 12 | 9.5 | 11 | 12 | 26 | 13 | 21 | 14 | 15 | 15 | 14 | 13 | 17 | 23 | 23 | 18 | 18 | 19 | 18 | 14 | 12 | 12 | 13 | 13 | 11 | 11 | 11 | 18 | 23 | 21 | 16 | 20 | 22 | 27 | 32 | 16 | 16 | 15 | 22 | 19 | 16 | 8.5 | - |
Belfast Stockman's Lane
| index | 2020-05 | 2020-04 | 2020-03 | 2020-02 | 2020-01 | 2019-12 | 2019-11 | 2019-10 | 2019-09 | 2019-08 | 2019-07 | 2019-06 | 2019-05 | 2019-04 | 2019-03 | 2019-02 | 2019-01 | 2018-12 | 2018-11 | 2018-10 | 2018-09 | 2018-08 | 2018-07 | 2018-06 | 2018-05 | 2018-04 | 2018-03 | 2018-02 | 2018-01 | 2017-12 | 2017-11 | 2017-10 | 2017-09 | 2017-08 | 2017-07 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 | 2016-11 | 2016-10 | 2016-09 | 2016-08 | 2016-07 | 2016-06 | 2016-05 | 2016-04 | 2016-03 | 2016-02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 23 | 22 | 33 | 37 | 39 | 47 | 52 | 50 | 44 | 40 | 35 | 43 | 44 | 38 | 57 | 51 | 54 | 56 | 48 | 55 | 52 | 42 | 42 | 46 | 48 | 40 | 44 | 52 | 49 | 52 | 62 | 53 | 55 | 50 | 42 | 48 | 42 | 48 | 51 | 55 | 63 | 63 | 75 | 51 | 52 | 46 | 44 | 45 | 40 | 42 | 49 | 77 |
| pm10 | 16 | 22 | 21 | 16 | 16 | 17 | 20 | 18 | 16 | 15 | 16 | 15 | 14 | 27 | 20 | 26 | 15 | 14 | 13 | 9.9 | 8.7 | 12 | 14 | 18 | 17 | 15 | 19 | 19 | 15 | 15 | 20 | 22 | 22 | 19 | 16 | 18 | 24 | 24 | 25 | 21 | 26 | 26 | 31 | 25 | 22 | 20 | 17 | 23 | 21 | 18 | 23 | 1.6 |
16-day weather forecast for Belfast: today around 21°C (partly cloudy), lows near 9°C. Daily temperature and conditions, updated every day. Strong wind (about 21 km/h) is actively clearing smog and dust away.
☀️ UV Index · 16-day Forecast — Belfast
The UV index in Belfast today is 1.1 (low).
📍 Air quality in nearby cities
Live PM2.5 around Belfast — compare nearby locations.
- DublinIreland 16 µg/m³
- London 15 µg/m³
- Birmingham 15 µg/m³
- Glasgow 10 µg/m³
- Liverpool 15 µg/m³
- Leeds 18 µg/m³
- Sheffield 22 µg/m³
- Edinburgh 11 µg/m³