Air Quality in Ostrava Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast
Pollution and air quality forecast for Ostrava. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Ostrava:- particulate matter (PM2.5) dust - 11 (Good)
- particulate matter (PM10) suspended dust - 15 (Good)
- ozone (O3) - 47 (Good)
- nitrogen dioxide (NO2) - 11 (Good)
- sulfur dioxide (SO2) - 2 (Good)
- carbon monoxide (CO) - 242 (Good)
What is the air quality in Ostrava today? Is the air polluted in Ostrava?. Is there smog?
What is the current level of PM2.5 in Ostrava? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
11 (Good)
For comparison, the highest level of PM2.5 in Ostrava in the last 7 days was: 11 (Tuesday, August 25, 2026) and the lowest: 4 (Saturday, August 22, 2026).
The highest PM2.5 values were recorded: 69 (February 2018).
The lowest level of particulate matter PM2.5 pollution occurs in month: July (12).
What is the level of PM10 today in Ostrava? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Ostrava is:
15 (Good)
The highest PM10 values usually occur in month: 75 (February 2018).
The lowest value of particulate matter PM10 pollution in Ostrava is usually recorded in: February (15).
How is the O3 level today in Ostrava? (ozone (O3))
47 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
11 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)
How high is the CO level? (carbon monoxide (CO))
242 (Good)
Current data Thursday, August 27, 2026 at 3:00 AM
PM2,5 11 (Good)
PM10 15 (Good)
O3 47 (Good)
NO2 11 (Good)
SO2 2 (Good)
CO 242 (Good)
Data on air pollution from recent days in Ostrava
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
8
Good
11
Good
9
Good
5
Good
4
Good
8
Good
7
Good
pm10
14
Good
13
Good
18
Good
13
Good
8
Good
5
Good
10
Good
9
Good
o3
68
Good
59
Good
47
Good
58
Good
59
Good
70
Moderate
70
Moderate
82
Moderate
no2
9
Good
10
Good
15
Good
9
Good
5
Good
4
Good
12
Good
5
Good
so2
2
Good
3
Good
3
Good
2
Good
1
Good
1
Good
3
Good
1
Good
co
237
Good
193
Good
207
Good
205
Good
170
Good
166
Good
240
Good
169
Good
data source »
Air pollution in Ostrava from September 2017 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
co
468 (Good)
508 (Good)
539 (Good)
446 (Good)
546 (Good)
525 (Good)
680 (Good)
567 (Good)
436 (Good)
397 (Good)
350 (Good)
452 (Good)
552 (Good)
608 (Good)
559 (Good)
625 (Good)
688 (Good)
570 (Good)
829 (Good)
683 (Good)
552 (Good)
536 (Good)
551 (Good)
573 (Good)
596 (Good)
541 (Good)
718 (Good)
685 (Good)
- (Good)
335 (Good)
255 (Good)
157 (Good)
279 (Good)
pm10
16 (Good)
30 (Moderate)
30 (Moderate)
15 (Good)
31 (Moderate)
24 (Moderate)
34 (Moderate)
32 (Moderate)
20 (Good)
22 (Moderate)
23 (Moderate)
25 (Moderate)
18 (Good)
37 (Moderate)
26 (Moderate)
40 (Moderate)
46 (Moderate)
26 (Moderate)
61 (Unhealthy for Sensitive Groups)
46 (Moderate)
29 (Moderate)
26 (Moderate)
26 (Moderate)
24 (Moderate)
28 (Moderate)
32 (Moderate)
62 (Unhealthy for Sensitive Groups)
75 (Unhealthy for Sensitive Groups)
37 (Moderate)
30 (Moderate)
34 (Moderate)
28 (Moderate)
31 (Moderate)
no2
19 (Good)
23 (Good)
24 (Good)
19 (Good)
24 (Good)
23 (Good)
27 (Good)
26 (Good)
22 (Good)
19 (Good)
20 (Good)
22 (Good)
23 (Good)
25 (Good)
25 (Good)
33 (Good)
31 (Good)
25 (Good)
36 (Good)
33 (Good)
29 (Good)
24 (Good)
21 (Good)
22 (Good)
25 (Good)
29 (Good)
37 (Good)
37 (Good)
26 (Good)
24 (Good)
27 (Good)
22 (Good)
22 (Good)
pm25
12 (Good)
21 (Moderate)
24 (Moderate)
12 (Good)
27 (Moderate)
21 (Moderate)
29 (Moderate)
24 (Moderate)
12 (Good)
13 (Moderate)
12 (Good)
16 (Moderate)
13 (Moderate)
28 (Moderate)
21 (Moderate)
35 (Moderate)
43 (Unhealthy for Sensitive Groups)
24 (Moderate)
51 (Unhealthy for Sensitive Groups)
34 (Moderate)
20 (Moderate)
17 (Moderate)
17 (Moderate)
16 (Moderate)
18 (Moderate)
20 (Moderate)
54 (Unhealthy for Sensitive Groups)
69 (Unhealthy)
36 (Unhealthy for Sensitive Groups)
28 (Moderate)
31 (Moderate)
22 (Moderate)
23 (Moderate)
o3
66 (Good)
70 (Good)
60 (Good)
57 (Good)
37 (Good)
37 (Good)
28 (Good)
38 (Good)
43 (Good)
65 (Good)
69 (Good)
80 (Moderate)
61 (Good)
69 (Good)
60 (Good)
44 (Good)
39 (Good)
36 (Good)
24 (Good)
39 (Good)
53 (Good)
73 (Moderate)
74 (Moderate)
69 (Good)
73 (Moderate)
69 (Good)
55 (Good)
36 (Good)
33 (Good)
31 (Good)
27 (Good)
36 (Good)
33 (Good)
so2
5.1 (Good)
6.4 (Good)
7.3 (Good)
5.3 (Good)
4.6 (Good)
4.8 (Good)
5.8 (Good)
3.6 (Good)
3.1 (Good)
3 (Good)
4.4 (Good)
4.9 (Good)
5.1 (Good)
7 (Good)
5.2 (Good)
6.8 (Good)
10 (Good)
4.2 (Good)
15 (Good)
13 (Good)
15 (Good)
16 (Good)
8.3 (Good)
8.3 (Good)
13 (Good)
11 (Good)
19 (Good)
25 (Good)
23 (Good)
6.8 (Good)
5.6 (Good)
4.8 (Good)
4.1 (Good)
data source »
Quality of life in Ostrava
Green and Parks in the City
Ostrava
75%
Austria: 78%
Slovakia: 58%
Poland: 62%
Germany: 78%
Slovenia: 87%
particulate matter PM2.5
Ostrava
26 (Moderate)
Pleasure of spending time in the city
Ostrava
48%
Austria: 84%
Slovakia: 73%
Poland: 48%
Germany: 80%
Slovenia: 88%
particulate matter PM10
Ostrava
33 (Moderate)
Air Pollution
Ostrava
68%
Austria: 21%
Slovakia: 35%
Poland: 63%
Germany: 25%
Slovenia: 26%
Garbage Disposal
Ostrava
79%
Austria: 84%
Slovakia: 65%
Poland: 60%
Germany: 74%
Slovenia: 87%
Availability and quality of drinking water
Ostrava
89%
Austria: 91%
Slovakia: 87%
Poland: 65%
Germany: 82%
Slovenia: 96%
Cleanliness and tidiness
Ostrava
54%
Austria: 82%
Slovakia: 57%
Poland: 58%
Germany: 65%
Slovenia: 87%
Noise and Light pollution
Ostrava
48%
Austria: 34%
Slovakia: 41%
Poland: 51%
Germany: 42%
Slovenia: 37%
Water Pollution
Ostrava
23%
Austria: 14%
Slovakia: 27%
Poland: 39%
Germany: 23%
Slovenia: 17%
Source: Numbeo
Ostrava
Thursday, August 27, 2026 at 3:00 AM
PM2,5 11 (Good)
particulate matter (PM2.5) dust
PM10 15 (Good)
particulate matter (PM10) suspended dust
O3 47 (Good)
ozone (O3)
NO2 11 (Good)
nitrogen dioxide (NO2)
SO2 1.9 (Good)
sulfur dioxide (SO2)
CO 242 (Good)
carbon monoxide (CO)
Ostrava
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
6.7
8.2
4.1
5.5
8.7
11
8.4
10
pm10
9.2
10
4.9
7.9
13
18
13
14
o3
82
70
70
59
58
47
59
68
no2
5.4
12
4
4.8
9.4
15
9.9
9
so2
1.2
2.5
0.67
0.93
2.3
2.9
2.5
2.2
co
169
240
166
170
205
207
193
237
CZ0TOCB
2018-02 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
co
468
508
539
446
546
525
680
567
436
397
350
452
552
608
559
625
688
570
829
683
552
536
551
573
596
541
718
685
pm25
11
19
23
11
27
21
30
24
12
13
11
15
14
28
22
37
46
24
50
34
19
15
17
-
15
18
53
71
pm10
17
30
31
15
31
26
36
32
19
23
25
27
20
41
29
47
52
28
62
47
29
26
30
-
26
32
66
82
no2
25
30
31
26
30
29
33
32
27
24
25
31
32
34
33
40
37
32
44
42
37
32
31
34
35
38
47
43
CZ0TOFF
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
pm10
16
29
28
14
29
22
30
30
20
21
22
24
17
33
23
35
40
23
56
43
28
26
24
23
27
29
56
69
34
27
32
25
29
so2
4.9
6.2
6.8
5.3
4.2
4.5
5.3
3.3
2.9
2.4
3.4
3.3
4.2
6.9
4.6
6.8
10
4.3
17
13
12
17
7.8
7.9
10
6.5
17
24
19
3.9
4.8
5.1
4.6
no2
15
17
18
13
18
17
23
21
17
16
18
17
17
21
19
26
25
19
32
28
23
18
15
16
19
22
28
33
22
21
24
19
21
o3
66
70
60
57
37
37
28
38
43
65
69
80
61
69
60
44
39
36
24
39
53
73
74
69
73
69
55
36
33
31
27
36
33
CZ0TOPR
2017-09 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
pm25
13
23
25
13
28
20
28
23
13
14
13
17
13
27
20
33
40
24
51
35
22
18
17
16
22
22
55
67
36
28
31
22
23
pm10
17
32
32
16
32
25
36
33
20
21
21
25
18
37
26
40
46
27
64
48
31
27
25
24
32
35
64
75
41
32
37
31
32
co
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
335
255
157
279
so2
5.4
6.7
7.7
5.3
5.1
5.1
6.4
3.9
3.3
3.6
5.4
6.4
5.9
7.1
5.8
6.9
10
4.1
13
12
19
15
8.8
8.7
15
15
22
26
26
9.7
6.5
4.4
3.7
no2
16
22
23
18
25
22
26
25
22
18
19
19
19
21
24
33
31
24
32
29
27
21
16
17
20
27
35
34
29
27
30
25
23
* Pollution data source:
https://openaq.org
(EEA Czech Republic)
The data is licensed under CC-By 4.0
🌦️ Weather · 16-day Forecast — Ostrava
PM2,5 11 (Good)
PM10 15 (Good)
O3 47 (Good)
NO2 11 (Good)
SO2 2 (Good)
CO 242 (Good)
Data on air pollution from recent days in Ostrava
| 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 |
8 Good |
11 Good |
9 Good |
5 Good |
4 Good |
8 Good |
7 Good |
| pm10 | 14 Good |
13 Good |
18 Good |
13 Good |
8 Good |
5 Good |
10 Good |
9 Good |
| o3 | 68 Good |
59 Good |
47 Good |
58 Good |
59 Good |
70 Moderate |
70 Moderate |
82 Moderate |
| no2 | 9 Good |
10 Good |
15 Good |
9 Good |
5 Good |
4 Good |
12 Good |
5 Good |
| so2 | 2 Good |
3 Good |
3 Good |
2 Good |
1 Good |
1 Good |
3 Good |
1 Good |
| co | 237 Good |
193 Good |
207 Good |
205 Good |
170 Good |
166 Good |
240 Good |
169 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| co | 468 (Good) | 508 (Good) | 539 (Good) | 446 (Good) | 546 (Good) | 525 (Good) | 680 (Good) | 567 (Good) | 436 (Good) | 397 (Good) | 350 (Good) | 452 (Good) | 552 (Good) | 608 (Good) | 559 (Good) | 625 (Good) | 688 (Good) | 570 (Good) | 829 (Good) | 683 (Good) | 552 (Good) | 536 (Good) | 551 (Good) | 573 (Good) | 596 (Good) | 541 (Good) | 718 (Good) | 685 (Good) | - (Good) | 335 (Good) | 255 (Good) | 157 (Good) | 279 (Good) |
| pm10 | 16 (Good) | 30 (Moderate) | 30 (Moderate) | 15 (Good) | 31 (Moderate) | 24 (Moderate) | 34 (Moderate) | 32 (Moderate) | 20 (Good) | 22 (Moderate) | 23 (Moderate) | 25 (Moderate) | 18 (Good) | 37 (Moderate) | 26 (Moderate) | 40 (Moderate) | 46 (Moderate) | 26 (Moderate) | 61 (Unhealthy for Sensitive Groups) | 46 (Moderate) | 29 (Moderate) | 26 (Moderate) | 26 (Moderate) | 24 (Moderate) | 28 (Moderate) | 32 (Moderate) | 62 (Unhealthy for Sensitive Groups) | 75 (Unhealthy for Sensitive Groups) | 37 (Moderate) | 30 (Moderate) | 34 (Moderate) | 28 (Moderate) | 31 (Moderate) |
| no2 | 19 (Good) | 23 (Good) | 24 (Good) | 19 (Good) | 24 (Good) | 23 (Good) | 27 (Good) | 26 (Good) | 22 (Good) | 19 (Good) | 20 (Good) | 22 (Good) | 23 (Good) | 25 (Good) | 25 (Good) | 33 (Good) | 31 (Good) | 25 (Good) | 36 (Good) | 33 (Good) | 29 (Good) | 24 (Good) | 21 (Good) | 22 (Good) | 25 (Good) | 29 (Good) | 37 (Good) | 37 (Good) | 26 (Good) | 24 (Good) | 27 (Good) | 22 (Good) | 22 (Good) |
| pm25 | 12 (Good) | 21 (Moderate) | 24 (Moderate) | 12 (Good) | 27 (Moderate) | 21 (Moderate) | 29 (Moderate) | 24 (Moderate) | 12 (Good) | 13 (Moderate) | 12 (Good) | 16 (Moderate) | 13 (Moderate) | 28 (Moderate) | 21 (Moderate) | 35 (Moderate) | 43 (Unhealthy for Sensitive Groups) | 24 (Moderate) | 51 (Unhealthy for Sensitive Groups) | 34 (Moderate) | 20 (Moderate) | 17 (Moderate) | 17 (Moderate) | 16 (Moderate) | 18 (Moderate) | 20 (Moderate) | 54 (Unhealthy for Sensitive Groups) | 69 (Unhealthy) | 36 (Unhealthy for Sensitive Groups) | 28 (Moderate) | 31 (Moderate) | 22 (Moderate) | 23 (Moderate) |
| o3 | 66 (Good) | 70 (Good) | 60 (Good) | 57 (Good) | 37 (Good) | 37 (Good) | 28 (Good) | 38 (Good) | 43 (Good) | 65 (Good) | 69 (Good) | 80 (Moderate) | 61 (Good) | 69 (Good) | 60 (Good) | 44 (Good) | 39 (Good) | 36 (Good) | 24 (Good) | 39 (Good) | 53 (Good) | 73 (Moderate) | 74 (Moderate) | 69 (Good) | 73 (Moderate) | 69 (Good) | 55 (Good) | 36 (Good) | 33 (Good) | 31 (Good) | 27 (Good) | 36 (Good) | 33 (Good) |
| so2 | 5.1 (Good) | 6.4 (Good) | 7.3 (Good) | 5.3 (Good) | 4.6 (Good) | 4.8 (Good) | 5.8 (Good) | 3.6 (Good) | 3.1 (Good) | 3 (Good) | 4.4 (Good) | 4.9 (Good) | 5.1 (Good) | 7 (Good) | 5.2 (Good) | 6.8 (Good) | 10 (Good) | 4.2 (Good) | 15 (Good) | 13 (Good) | 15 (Good) | 16 (Good) | 8.3 (Good) | 8.3 (Good) | 13 (Good) | 11 (Good) | 19 (Good) | 25 (Good) | 23 (Good) | 6.8 (Good) | 5.6 (Good) | 4.8 (Good) | 4.1 (Good) |
Green and Parks in the City
Ostrava 75%
Austria: 78% Slovakia: 58% Poland: 62% Germany: 78% Slovenia: 87%particulate matter PM2.5
Ostrava 26 (Moderate)
Pleasure of spending time in the city
Ostrava 48%
Austria: 84% Slovakia: 73% Poland: 48% Germany: 80% Slovenia: 88%particulate matter PM10
Ostrava 33 (Moderate)
Air Pollution
Ostrava 68%
Austria: 21% Slovakia: 35% Poland: 63% Germany: 25% Slovenia: 26%Garbage Disposal
Ostrava 79%
Austria: 84% Slovakia: 65% Poland: 60% Germany: 74% Slovenia: 87%Availability and quality of drinking water
Ostrava 89%
Austria: 91% Slovakia: 87% Poland: 65% Germany: 82% Slovenia: 96%Cleanliness and tidiness
Ostrava 54%
Austria: 82% Slovakia: 57% Poland: 58% Germany: 65% Slovenia: 87%Noise and Light pollution
Ostrava 48%
Austria: 34% Slovakia: 41% Poland: 51% Germany: 42% Slovenia: 37%Water Pollution
Ostrava 23%
Austria: 14% Slovakia: 27% Poland: 39% Germany: 23% Slovenia: 17%PM2,5 11 (Good)
particulate matter (PM2.5) dustPM10 15 (Good)
particulate matter (PM10) suspended dustO3 47 (Good)
ozone (O3)NO2 11 (Good)
nitrogen dioxide (NO2)SO2 1.9 (Good)
sulfur dioxide (SO2)CO 242 (Good)
carbon monoxide (CO)Ostrava
| 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 | 6.7 | 8.2 | 4.1 | 5.5 | 8.7 | 11 | 8.4 | 10 |
| pm10 | 9.2 | 10 | 4.9 | 7.9 | 13 | 18 | 13 | 14 |
| o3 | 82 | 70 | 70 | 59 | 58 | 47 | 59 | 68 |
| no2 | 5.4 | 12 | 4 | 4.8 | 9.4 | 15 | 9.9 | 9 |
| so2 | 1.2 | 2.5 | 0.67 | 0.93 | 2.3 | 2.9 | 2.5 | 2.2 |
| co | 169 | 240 | 166 | 170 | 205 | 207 | 193 | 237 |
CZ0TOCB
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| co | 468 | 508 | 539 | 446 | 546 | 525 | 680 | 567 | 436 | 397 | 350 | 452 | 552 | 608 | 559 | 625 | 688 | 570 | 829 | 683 | 552 | 536 | 551 | 573 | 596 | 541 | 718 | 685 |
| pm25 | 11 | 19 | 23 | 11 | 27 | 21 | 30 | 24 | 12 | 13 | 11 | 15 | 14 | 28 | 22 | 37 | 46 | 24 | 50 | 34 | 19 | 15 | 17 | - | 15 | 18 | 53 | 71 |
| pm10 | 17 | 30 | 31 | 15 | 31 | 26 | 36 | 32 | 19 | 23 | 25 | 27 | 20 | 41 | 29 | 47 | 52 | 28 | 62 | 47 | 29 | 26 | 30 | - | 26 | 32 | 66 | 82 |
| no2 | 25 | 30 | 31 | 26 | 30 | 29 | 33 | 32 | 27 | 24 | 25 | 31 | 32 | 34 | 33 | 40 | 37 | 32 | 44 | 42 | 37 | 32 | 31 | 34 | 35 | 38 | 47 | 43 |
CZ0TOFF
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm10 | 16 | 29 | 28 | 14 | 29 | 22 | 30 | 30 | 20 | 21 | 22 | 24 | 17 | 33 | 23 | 35 | 40 | 23 | 56 | 43 | 28 | 26 | 24 | 23 | 27 | 29 | 56 | 69 | 34 | 27 | 32 | 25 | 29 |
| so2 | 4.9 | 6.2 | 6.8 | 5.3 | 4.2 | 4.5 | 5.3 | 3.3 | 2.9 | 2.4 | 3.4 | 3.3 | 4.2 | 6.9 | 4.6 | 6.8 | 10 | 4.3 | 17 | 13 | 12 | 17 | 7.8 | 7.9 | 10 | 6.5 | 17 | 24 | 19 | 3.9 | 4.8 | 5.1 | 4.6 |
| no2 | 15 | 17 | 18 | 13 | 18 | 17 | 23 | 21 | 17 | 16 | 18 | 17 | 17 | 21 | 19 | 26 | 25 | 19 | 32 | 28 | 23 | 18 | 15 | 16 | 19 | 22 | 28 | 33 | 22 | 21 | 24 | 19 | 21 |
| o3 | 66 | 70 | 60 | 57 | 37 | 37 | 28 | 38 | 43 | 65 | 69 | 80 | 61 | 69 | 60 | 44 | 39 | 36 | 24 | 39 | 53 | 73 | 74 | 69 | 73 | 69 | 55 | 36 | 33 | 31 | 27 | 36 | 33 |
CZ0TOPR
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pm25 | 13 | 23 | 25 | 13 | 28 | 20 | 28 | 23 | 13 | 14 | 13 | 17 | 13 | 27 | 20 | 33 | 40 | 24 | 51 | 35 | 22 | 18 | 17 | 16 | 22 | 22 | 55 | 67 | 36 | 28 | 31 | 22 | 23 |
| pm10 | 17 | 32 | 32 | 16 | 32 | 25 | 36 | 33 | 20 | 21 | 21 | 25 | 18 | 37 | 26 | 40 | 46 | 27 | 64 | 48 | 31 | 27 | 25 | 24 | 32 | 35 | 64 | 75 | 41 | 32 | 37 | 31 | 32 |
| co | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 335 | 255 | 157 | 279 |
| so2 | 5.4 | 6.7 | 7.7 | 5.3 | 5.1 | 5.1 | 6.4 | 3.9 | 3.3 | 3.6 | 5.4 | 6.4 | 5.9 | 7.1 | 5.8 | 6.9 | 10 | 4.1 | 13 | 12 | 19 | 15 | 8.8 | 8.7 | 15 | 15 | 22 | 26 | 26 | 9.7 | 6.5 | 4.4 | 3.7 |
| no2 | 16 | 22 | 23 | 18 | 25 | 22 | 26 | 25 | 22 | 18 | 19 | 19 | 19 | 21 | 24 | 33 | 31 | 24 | 32 | 29 | 27 | 21 | 16 | 17 | 20 | 27 | 35 | 34 | 29 | 27 | 30 | 25 | 23 |
16-day weather forecast for Ostrava: today around 17°C (cloudy), lows near 12°C. Daily temperature and conditions, updated every day. Strong wind (about 22 km/h) is actively clearing smog and dust away.
☀️ UV Index · 16-day Forecast — Ostrava
The UV index in Ostrava today is 1.8 (low).
📍 Air quality in nearby cities
Live PM2.5 around Ostrava — compare nearby locations.
- GliwicePoland 11 µg/m³
- KatowicePoland 9 µg/m³
- Prague 9 µg/m³
- Brno 10 µg/m³
- Plzeň 12 µg/m³
- Olomouc 11 µg/m³