Trondheim: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast
- particulate matter (PM2.5) dust - 7 (Good)
- particulate matter (PM10) suspended dust - 11 (Good)
- ozone (O3) - 37 (Good)
- nitrogen dioxide (NO2) - 13 (Good)
- sulfur dioxide (SO2) - 1 (Good)
- carbon monoxide (CO) - 204 (Good)
What is the air quality in Trondheim today? Is the air polluted in Trondheim?. Is there smog?
What is the current level of PM2.5 in Trondheim? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
7 (Good)
For comparison, the highest level of PM2.5 in Trondheim in the last 7 days was: 9 (Wednesday, August 26, 2026) and the lowest: 3 (Sunday, August 23, 2026).
The highest PM2.5 values were recorded: 40 (February 2019).
The lowest level of particulate matter PM2.5 pollution occurs in month: September (2.4).
What is the level of PM10 today in Trondheim? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Trondheim is:
11 (Good)
The highest PM10 values usually occur in month: 64 (April 2019).
The lowest value of particulate matter PM10 pollution in Trondheim is usually recorded in: September (3.8).
How is the O3 level today in Trondheim? (ozone (O3))
37 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
13 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)
How high is the CO level? (carbon monoxide (CO))
204 (Good)
Current data Thursday, August 27, 2026 at 3:00 AM
PM2,5 7 (Good)
PM10 11 (Good)
O3 37 (Good)
NO2 13 (Good)
SO2 1 (Good)
CO 204 (Good)
Data on air pollution from recent days in Trondheim
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
7
Good
9
Good
7
Good
4
Good
3
Good
3
Good
3
Good
3
Good
pm10
9
Good
12
Good
10
Good
6
Good
5
Good
4
Good
4
Good
4
Good
o3
46
Good
45
Good
56
Good
56
Good
65
Good
47
Good
48
Good
38
Good
no2
10
Good
13
Good
8
Good
3
Good
2
Good
3
Good
5
Good
6
Good
so2
1
Good
1
Good
1
Good
0
Good
0
Good
0
Good
1
Good
0
Good
co
209
Good
244
Good
202
Good
161
Good
156
Good
156
Good
155
Good
156
Good
data source »
Air pollution in Trondheim from December 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
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
pm10
4.8 (Good)
9 (Good)
6.6 (Good)
6.2 (Good)
8.2 (Good)
7.3 (Good)
15 (Good)
18 (Good)
6.2 (Good)
8.1 (Good)
6.7 (Good)
6.5 (Good)
8.3 (Good)
64 (Unhealthy for Sensitive Groups)
- (Good)
47 (Moderate)
9.8 (Good)
8.2 (Good)
12 (Good)
5.1 (Good)
7.9 (Good)
7.8 (Good)
9.4 (Good)
8.4 (Good)
18 (Good)
21 (Moderate)
13 (Good)
15 (Good)
14 (Good)
9.4 (Good)
12 (Good)
4.1 (Good)
3.8 (Good)
5.4 (Good)
5.5 (Good)
8.2 (Good)
8.7 (Good)
10 (Good)
16 (Good)
7.2 (Good)
8.9 (Good)
pm25
3.2 (Good)
4.4 (Good)
3.4 (Good)
4.3 (Good)
6.2 (Good)
6.2 (Good)
10 (Good)
5.1 (Good)
3.6 (Good)
4.8 (Good)
4.4 (Good)
3.8 (Good)
4.3 (Good)
24 (Moderate)
- (Good)
40 (Unhealthy for Sensitive Groups)
8.3 (Good)
6.7 (Good)
8 (Good)
3.3 (Good)
3.8 (Good)
4.6 (Good)
5.7 (Good)
4 (Good)
7 (Good)
7 (Good)
7.9 (Good)
12 (Good)
12 (Good)
8.5 (Good)
7 (Good)
3.3 (Good)
2.4 (Good)
3.8 (Good)
3.9 (Good)
4.3 (Good)
4 (Good)
5.5 (Good)
7.5 (Good)
6.2 (Good)
4.4 (Good)
no2
9.4 (Good)
9.7 (Good)
14 (Good)
31 (Good)
23 (Good)
26 (Good)
27 (Good)
18 (Good)
8.5 (Good)
12 (Good)
14 (Good)
12 (Good)
12 (Good)
18 (Good)
19 (Good)
24 (Good)
29 (Good)
26 (Good)
35 (Good)
16 (Good)
15 (Good)
15 (Good)
9.9 (Good)
10 (Good)
17 (Good)
23 (Good)
23 (Good)
36 (Good)
39 (Good)
34 (Good)
26 (Good)
26 (Good)
11 (Good)
17 (Good)
10 (Good)
12 (Good)
13 (Good)
21 (Good)
28 (Good)
30 (Good)
33 (Good)
data source »
Quality of life in Trondheim
Green and Parks in the City
Trondheim
75%
Denmark: 78%
Sweden: 84%
Aland Islands: 75%
Faroe Islands: 87%
United Kingdom: 75%
particulate matter PM2.5
Trondheim
7 (Good)
Pleasure of spending time in the city
Trondheim
87%
Denmark: 86%
Sweden: 88%
Aland Islands: 92%
Faroe Islands: 100%
United Kingdom: 70%
particulate matter PM10
Trondheim
16 (Good)
Air Pollution
Trondheim
19%
Denmark: 18%
Sweden: 15%
Aland Islands: 17%
Faroe Islands: 0%
United Kingdom: 37%
Garbage Disposal
Trondheim
81%
Denmark: 80%
Sweden: 83%
Aland Islands: 88%
Faroe Islands: 88%
United Kingdom: 60%
Availability and quality of drinking water
Trondheim
88%
Denmark: 87%
Sweden: 92%
Aland Islands: 96%
Faroe Islands: 98%
United Kingdom: 75%
Cleanliness and tidiness
Trondheim
74%
Denmark: 75%
Sweden: 76%
Aland Islands: 83%
Faroe Islands: 94%
United Kingdom: 53%
Noise and Light pollution
Trondheim
39%
Denmark: 32%
Sweden: 26%
Aland Islands: 46%
Faroe Islands: 21%
United Kingdom: 47%
Water Pollution
Trondheim
21%
Denmark: 19%
Sweden: 15%
Aland Islands: 10%
Faroe Islands: 7.7%
United Kingdom: 31%
Source: Numbeo
Trondheim
Thursday, August 27, 2026 at 3:00 AM
PM2,5 7.4 (Good)
particulate matter (PM2.5) dust
PM10 11 (Good)
particulate matter (PM10) suspended dust
O3 37 (Good)
ozone (O3)
NO2 13 (Good)
nitrogen dioxide (NO2)
SO2 0.9 (Good)
sulfur dioxide (SO2)
CO 204 (Good)
carbon monoxide (CO)
Trondheim
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
2.9
2.7
3
3.1
4.2
6.7
8.6
6.8
pm10
4.4
3.7
4.4
4.7
6.2
10
12
9.1
o3
38
48
47
65
56
56
45
46
no2
6.4
4.7
3.3
1.8
3.1
8.1
13
10
so2
0.48
0.6
0.34
0.28
0.37
0.77
1.1
0.86
co
156
155
156
156
161
202
244
209
Torvet
2016-12 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
2017-06
2017-05
2017-04
2017-03
2017-02
2017-01
2016-12
no2
9.4
9.7
14
31
23
26
27
18
8.5
12
14
12
12
18
19
24
29
26
35
16
15
15
9.9
10
17
23
23
36
39
34
26
26
11
17
10
12
13
21
28
30
33
pm25
3.2
4.4
3.4
4.3
6.2
6.2
10
5.1
3.6
4.8
4.4
3.8
4.3
24
-
40
8.3
6.7
8
3.3
3.8
4.6
5.7
4
7
7
7.9
12
12
8.5
7
3.3
2.4
3.8
3.9
4.3
4
5.5
7.5
6.2
4.4
pm10
4.8
9
6.6
6.2
8.2
7.3
15
18
6.2
8.1
6.7
6.5
8.3
64
-
47
9.8
8.2
12
5.1
7.9
7.8
9.4
8.4
18
21
13
15
14
9.4
12
4.1
3.8
5.4
5.5
8.2
8.7
10
16
7.2
8.9
* Pollution data source:
https://openaq.org
(Norway)
The data is licensed under CC-By 4.0
🌦️ Weather · 16-day Forecast — Norway
PM2,5 7 (Good)
PM10 11 (Good)
O3 37 (Good)
NO2 13 (Good)
SO2 1 (Good)
CO 204 (Good)
Data on air pollution from recent days in Trondheim
| 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 | 7 Good |
9 Good |
7 Good |
4 Good |
3 Good |
3 Good |
3 Good |
3 Good |
| pm10 | 9 Good |
12 Good |
10 Good |
6 Good |
5 Good |
4 Good |
4 Good |
4 Good |
| o3 | 46 Good |
45 Good |
56 Good |
56 Good |
65 Good |
47 Good |
48 Good |
38 Good |
| no2 | 10 Good |
13 Good |
8 Good |
3 Good |
2 Good |
3 Good |
5 Good |
6 Good |
| so2 | 1 Good |
1 Good |
1 Good |
0 Good |
0 Good |
0 Good |
1 Good |
0 Good |
| co | 209 Good |
244 Good |
202 Good |
161 Good |
156 Good |
156 Good |
155 Good |
156 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 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 4.8 (Good) | 9 (Good) | 6.6 (Good) | 6.2 (Good) | 8.2 (Good) | 7.3 (Good) | 15 (Good) | 18 (Good) | 6.2 (Good) | 8.1 (Good) | 6.7 (Good) | 6.5 (Good) | 8.3 (Good) | 64 (Unhealthy for Sensitive Groups) | - (Good) | 47 (Moderate) | 9.8 (Good) | 8.2 (Good) | 12 (Good) | 5.1 (Good) | 7.9 (Good) | 7.8 (Good) | 9.4 (Good) | 8.4 (Good) | 18 (Good) | 21 (Moderate) | 13 (Good) | 15 (Good) | 14 (Good) | 9.4 (Good) | 12 (Good) | 4.1 (Good) | 3.8 (Good) | 5.4 (Good) | 5.5 (Good) | 8.2 (Good) | 8.7 (Good) | 10 (Good) | 16 (Good) | 7.2 (Good) | 8.9 (Good) |
| pm25 | 3.2 (Good) | 4.4 (Good) | 3.4 (Good) | 4.3 (Good) | 6.2 (Good) | 6.2 (Good) | 10 (Good) | 5.1 (Good) | 3.6 (Good) | 4.8 (Good) | 4.4 (Good) | 3.8 (Good) | 4.3 (Good) | 24 (Moderate) | - (Good) | 40 (Unhealthy for Sensitive Groups) | 8.3 (Good) | 6.7 (Good) | 8 (Good) | 3.3 (Good) | 3.8 (Good) | 4.6 (Good) | 5.7 (Good) | 4 (Good) | 7 (Good) | 7 (Good) | 7.9 (Good) | 12 (Good) | 12 (Good) | 8.5 (Good) | 7 (Good) | 3.3 (Good) | 2.4 (Good) | 3.8 (Good) | 3.9 (Good) | 4.3 (Good) | 4 (Good) | 5.5 (Good) | 7.5 (Good) | 6.2 (Good) | 4.4 (Good) |
| no2 | 9.4 (Good) | 9.7 (Good) | 14 (Good) | 31 (Good) | 23 (Good) | 26 (Good) | 27 (Good) | 18 (Good) | 8.5 (Good) | 12 (Good) | 14 (Good) | 12 (Good) | 12 (Good) | 18 (Good) | 19 (Good) | 24 (Good) | 29 (Good) | 26 (Good) | 35 (Good) | 16 (Good) | 15 (Good) | 15 (Good) | 9.9 (Good) | 10 (Good) | 17 (Good) | 23 (Good) | 23 (Good) | 36 (Good) | 39 (Good) | 34 (Good) | 26 (Good) | 26 (Good) | 11 (Good) | 17 (Good) | 10 (Good) | 12 (Good) | 13 (Good) | 21 (Good) | 28 (Good) | 30 (Good) | 33 (Good) |
Green and Parks in the City
Trondheim 75%
Denmark: 78% Sweden: 84% Aland Islands: 75% Faroe Islands: 87% United Kingdom: 75%particulate matter PM2.5
Trondheim 7 (Good)
Pleasure of spending time in the city
Trondheim 87%
Denmark: 86% Sweden: 88% Aland Islands: 92% Faroe Islands: 100% United Kingdom: 70%particulate matter PM10
Trondheim 16 (Good)
Air Pollution
Trondheim 19%
Denmark: 18% Sweden: 15% Aland Islands: 17% Faroe Islands: 0% United Kingdom: 37%Garbage Disposal
Trondheim 81%
Denmark: 80% Sweden: 83% Aland Islands: 88% Faroe Islands: 88% United Kingdom: 60%Availability and quality of drinking water
Trondheim 88%
Denmark: 87% Sweden: 92% Aland Islands: 96% Faroe Islands: 98% United Kingdom: 75%Cleanliness and tidiness
Trondheim 74%
Denmark: 75% Sweden: 76% Aland Islands: 83% Faroe Islands: 94% United Kingdom: 53%Noise and Light pollution
Trondheim 39%
Denmark: 32% Sweden: 26% Aland Islands: 46% Faroe Islands: 21% United Kingdom: 47%Water Pollution
Trondheim 21%
Denmark: 19% Sweden: 15% Aland Islands: 10% Faroe Islands: 7.7% United Kingdom: 31%PM2,5 7.4 (Good)
particulate matter (PM2.5) dustPM10 11 (Good)
particulate matter (PM10) suspended dustO3 37 (Good)
ozone (O3)NO2 13 (Good)
nitrogen dioxide (NO2)SO2 0.9 (Good)
sulfur dioxide (SO2)CO 204 (Good)
carbon monoxide (CO)Trondheim
| 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 | 2.9 | 2.7 | 3 | 3.1 | 4.2 | 6.7 | 8.6 | 6.8 |
| pm10 | 4.4 | 3.7 | 4.4 | 4.7 | 6.2 | 10 | 12 | 9.1 |
| o3 | 38 | 48 | 47 | 65 | 56 | 56 | 45 | 46 |
| no2 | 6.4 | 4.7 | 3.3 | 1.8 | 3.1 | 8.1 | 13 | 10 |
| so2 | 0.48 | 0.6 | 0.34 | 0.28 | 0.37 | 0.77 | 1.1 | 0.86 |
| co | 156 | 155 | 156 | 156 | 161 | 202 | 244 | 209 |
Torvet
| 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 | 2017-06 | 2017-05 | 2017-04 | 2017-03 | 2017-02 | 2017-01 | 2016-12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| no2 | 9.4 | 9.7 | 14 | 31 | 23 | 26 | 27 | 18 | 8.5 | 12 | 14 | 12 | 12 | 18 | 19 | 24 | 29 | 26 | 35 | 16 | 15 | 15 | 9.9 | 10 | 17 | 23 | 23 | 36 | 39 | 34 | 26 | 26 | 11 | 17 | 10 | 12 | 13 | 21 | 28 | 30 | 33 |
| pm25 | 3.2 | 4.4 | 3.4 | 4.3 | 6.2 | 6.2 | 10 | 5.1 | 3.6 | 4.8 | 4.4 | 3.8 | 4.3 | 24 | - | 40 | 8.3 | 6.7 | 8 | 3.3 | 3.8 | 4.6 | 5.7 | 4 | 7 | 7 | 7.9 | 12 | 12 | 8.5 | 7 | 3.3 | 2.4 | 3.8 | 3.9 | 4.3 | 4 | 5.5 | 7.5 | 6.2 | 4.4 |
| pm10 | 4.8 | 9 | 6.6 | 6.2 | 8.2 | 7.3 | 15 | 18 | 6.2 | 8.1 | 6.7 | 6.5 | 8.3 | 64 | - | 47 | 9.8 | 8.2 | 12 | 5.1 | 7.9 | 7.8 | 9.4 | 8.4 | 18 | 21 | 13 | 15 | 14 | 9.4 | 12 | 4.1 | 3.8 | 5.4 | 5.5 | 8.2 | 8.7 | 10 | 16 | 7.2 | 8.9 |
16-day weather forecast for Norway: today around 20°C (partly cloudy), lows near 5°C. Daily temperature and conditions, updated every day. A moderate breeze (about 10 km/h) is partially dispersing pollutants today.
☀️ UV Index · 16-day Forecast — Norway
The UV index in Norway today is 4.3 (moderate) — unprotected fair skin can burn in about 45 minutes.
📍 Air quality in nearby cities
Live PM2.5 around Trondheim — compare nearby locations.