Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
November Air Quality Analysis
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Nov 2021
141AQILowest AQI recorded on
5th Nov 2023
21AQISame Day Analysis (27th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 53 of Moderate air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 27th Nov - 28th Nov 2025
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
AQI
Day
Night
.
6 AM27th Nov 2025
4 PM
5 AM28th Nov 2025
Day time
Avg. Highest Time
7AM27th Nov
52AQI
Avg. Lowest Time
1PM27th Nov
49AQI
Night time
Avg. Highest Time
3AM28th Nov
117AQI
Avg. Lowest Time
9PM27th Nov
44AQI
In the last 24 hours,
Ostrava Ceskobratrsk's AQI reached its highest point of 117 at 3 AM during the Night, while the lowest point, 44, was recorded at 9 PM during the Night between 27th Nov and 28th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
OctNov
29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th
Day
Night
29th Oct 2025206 AMAQI
29th Oct 2025187 AMAQI
29th Oct 2025218 AMAQI
29th Oct 2025449 AMAQI
29th Oct 20253810 AMAQI
29th Oct 20253011 AMAQI
29th Oct 20253012 PMAQI
29th Oct 2025291 PMAQI
29th Oct 2025442 PMAQI
29th Oct 2025173 PMAQI
29th Oct 2025244 PMAQI
29th Oct 2025365 PMAQI
29th Oct 2025326 PMAQI
29th Oct 2025287 PMAQI
29th Oct 2025308 PMAQI
29th Oct 2025449 PMAQI
29th Oct 20253210 PMAQI
29th Oct 20253911 PMAQI
30th Oct 20254112 AMAQI
30th Oct 2025531 AMAQI
30th Oct 2025582 AMAQI
30th Oct 2025583 AMAQI
30th Oct 2025624 AMAQI
30th Oct 2025575 AMAQI
10°C8/14°C
30th Oct 2025586 AMAQI
30th Oct 2025557 AMAQI
30th Oct 2025458 AMAQI
30th Oct 2025329 AMAQI
30th Oct 20252010 AMAQI
30th Oct 20251911 AMAQI
30th Oct 20251812 PMAQI
30th Oct 2025141 PMAQI
30th Oct 2025192 PMAQI
30th Oct 2025143 PMAQI
30th Oct 2025134 PMAQI
30th Oct 2025155 PMAQI
30th Oct 2025126 PMAQI
30th Oct 2025177 PMAQI
30th Oct 2025248 PMAQI
30th Oct 2025529 PMAQI
30th Oct 20256410 PMAQI
30th Oct 20257611 PMAQI
31st Oct 20257212 AMAQI
31st Oct 2025591 AMAQI
31st Oct 2025552 AMAQI
31st Oct 2025553 AMAQI
31st Oct 2025554 AMAQI
31st Oct 2025565 AMAQI
11°C9/14°C
31st Oct 2025546 AMAQI
31st Oct 2025557 AMAQI
31st Oct 2025618 AMAQI
31st Oct 2025609 AMAQI
31st Oct 20256510 AMAQI
31st Oct 20256211 AMAQI
31st Oct 20256012 PMAQI
31st Oct 2025471 PMAQI
31st Oct 2025452 PMAQI
31st Oct 2025283 PMAQI
31st Oct 2025174 PMAQI
31st Oct 2025125 PMAQI
31st Oct 2025146 PMAQI
31st Oct 2025227 PMAQI
31st Oct 2025288 PMAQI
31st Oct 2025579 PMAQI
31st Oct 20252610 PMAQI
31st Oct 20257911 PMAQI
1st Nov 20258212 AMAQI
1st Nov 2025941 AMAQI
1st Nov 2025912 AMAQI
1st Nov 2025943 AMAQI
1st Nov 2025954 AMAQI
1st Nov 2025945 AMAQI
11°C7/16°C
1st Nov 2025946 AMAQI
1st Nov 2025907 AMAQI
1st Nov 2025888 AMAQI
1st Nov 2025859 AMAQI
1st Nov 20258910 AMAQI
1st Nov 20258011 AMAQI
1st Nov 20257712 PMAQI
1st Nov 2025711 PMAQI
1st Nov 2025612 PMAQI
1st Nov 2025593 PMAQI
1st Nov 2025444 PMAQI
1st Nov 2025425 PMAQI
1st Nov 2025426 PMAQI
1st Nov 2025427 PMAQI
1st Nov 2025458 PMAQI
1st Nov 2025469 PMAQI
1st Nov 20255210 PMAQI
1st Nov 20256111 PMAQI
2nd Nov 20256112 AMAQI
2nd Nov 2025561 AMAQI
2nd Nov 2025562 AMAQI
2nd Nov 2025523 AMAQI
2nd Nov 2025574 AMAQI
2nd Nov 2025495 AMAQI
13°C9/18°C
2nd Nov 2025496 AMAQI
2nd Nov 2025407 AMAQI
2nd Nov 2025418 AMAQI
2nd Nov 2025469 AMAQI
2nd Nov 20254410 AMAQI
2nd Nov 20254511 AMAQI
2nd Nov 20255112 PMAQI
2nd Nov 2025531 PMAQI
2nd Nov 2025522 PMAQI
2nd Nov 2025493 PMAQI
2nd Nov 2025444 PMAQI
2nd Nov 2025495 PMAQI
2nd Nov 2025536 PMAQI
2nd Nov 2025567 PMAQI
2nd Nov 2025568 PMAQI
2nd Nov 2025649 PMAQI
2nd Nov 20256610 PMAQI
2nd Nov 20256811 PMAQI
3rd Nov 20258012 AMAQI
3rd Nov 2025821 AMAQI
3rd Nov 2025822 AMAQI
3rd Nov 2025633 AMAQI
3rd Nov 2025614 AMAQI
3rd Nov 2025435 AMAQI
14°C11/18°C
3rd Nov 2025336 AMAQI
3rd Nov 2025157 AMAQI
3rd Nov 2025158 AMAQI
3rd Nov 2025119 AMAQI
3rd Nov 20251710 AMAQI
3rd Nov 20251711 AMAQI
3rd Nov 20251712 PMAQI
3rd Nov 2025201 PMAQI
3rd Nov 2025232 PMAQI
3rd Nov 2025223 PMAQI
3rd Nov 2025224 PMAQI
3rd Nov 2025195 PMAQI
3rd Nov 2025176 PMAQI
3rd Nov 2025217 PMAQI
3rd Nov 2025328 PMAQI
3rd Nov 2025459 PMAQI
3rd Nov 20254510 PMAQI
3rd Nov 20254511 PMAQI
4th Nov 20253812 AMAQI
4th Nov 2025351 AMAQI
4th Nov 2025382 AMAQI
4th Nov 2025343 AMAQI
4th Nov 2025384 AMAQI
4th Nov 2025375 AMAQI
9°C7/11°C
4th Nov 2025346 AMAQI
4th Nov 2025347 AMAQI
4th Nov 2025328 AMAQI
4th Nov 2025389 AMAQI
4th Nov 20253510 AMAQI
4th Nov 20252911 AMAQI
4th Nov 20252812 PMAQI
4th Nov 2025331 PMAQI
4th Nov 2025332 PMAQI
4th Nov 2025283 PMAQI
4th Nov 2025224 PMAQI
4th Nov 2025225 PMAQI
4th Nov 2025256 PMAQI
4th Nov 2025307 PMAQI
4th Nov 2025568 PMAQI
4th Nov 2025589 PMAQI
4th Nov 20256610 PMAQI
4th Nov 20255511 PMAQI
5th Nov 20257112 AMAQI
5th Nov 2025681 AMAQI
5th Nov 2025802 AMAQI
5th Nov 2025793 AMAQI
5th Nov 2025834 AMAQI
5th Nov 2025765 AMAQI
7°C5/12°C
5th Nov 2025726 AMAQI
5th Nov 2025647 AMAQI
5th Nov 2025648 AMAQI
5th Nov 2025639 AMAQI
5th Nov 20256510 AMAQI
5th Nov 20256111 AMAQI
5th Nov 20255412 PMAQI
5th Nov 2025531 PMAQI
5th Nov 2025482 PMAQI
5th Nov 2025343 PMAQI
5th Nov 2025234 PMAQI
5th Nov 2025175 PMAQI
5th Nov 2025246 PMAQI
5th Nov 2025287 PMAQI
5th Nov 2025568 PMAQI
5th Nov 2025579 PMAQI
5th Nov 20257710 PMAQI
5th Nov 20258711 PMAQI
6th Nov 20259212 AMAQI
6th Nov 2025771 AMAQI
6th Nov 2025822 AMAQI
6th Nov 2025873 AMAQI
6th Nov 2025944 AMAQI
6th Nov 2025915 AMAQI
8°C5/13°C
6th Nov 2025916 AMAQI
6th Nov 2025817 AMAQI
6th Nov 2025788 AMAQI
6th Nov 2025759 AMAQI
6th Nov 20257910 AMAQI
6th Nov 20257411 AMAQI
6th Nov 20257112 PMAQI
6th Nov 2025661 PMAQI
6th Nov 2025602 PMAQI
6th Nov 2025873 PMAQI
6th Nov 2025904 PMAQI
6th Nov 2025565 PMAQI
6th Nov 2025606 PMAQI
6th Nov 2025657 PMAQI
6th Nov 2025668 PMAQI
6th Nov 2025739 PMAQI
6th Nov 20257810 PMAQI
6th Nov 20259911 PMAQI
7th Nov 202511112 AMAQI
7th Nov 20251211 AMAQI
7th Nov 20251402 AMAQI
7th Nov 20251113 AMAQI
7th Nov 2025984 AMAQI
7th Nov 20251005 AMAQI
8°C5/13°C
7th Nov 20251026 AMAQI
7th Nov 20251027 AMAQI
7th Nov 2025688 AMAQI
7th Nov 2025689 AMAQI
7th Nov 20257510 AMAQI
7th Nov 20257211 AMAQI
7th Nov 20256112 PMAQI
7th Nov 2025631 PMAQI
7th Nov 2025642 PMAQI
7th Nov 2025623 PMAQI
7th Nov 2025484 PMAQI
7th Nov 2025545 PMAQI
7th Nov 2025446 PMAQI
7th Nov 2025487 PMAQI
7th Nov 2025538 PMAQI
7th Nov 2025669 PMAQI
7th Nov 20257110 PMAQI
7th Nov 20257911 PMAQI
8th Nov 20259212 AMAQI
8th Nov 2025981 AMAQI
8th Nov 2025922 AMAQI
8th Nov 2025993 AMAQI
8th Nov 20251114 AMAQI
8th Nov 20251145 AMAQI
8°C5/13°C
8th Nov 20251106 AMAQI
8th Nov 20251137 AMAQI
8th Nov 20251098 AMAQI
8th Nov 2025969 AMAQI
8th Nov 20259810 AMAQI
8th Nov 20259611 AMAQI
8th Nov 202510212 PMAQI
8th Nov 20251071 PMAQI
8th Nov 20251452 PMAQI
8th Nov 20251343 PMAQI
8th Nov 20251304 PMAQI
8th Nov 20251295 PMAQI
8th Nov 20251526 PMAQI
8th Nov 20251537 PMAQI
8th Nov 20251488 PMAQI
8th Nov 20251499 PMAQI
8th Nov 202515210 PMAQI
8th Nov 202515111 PMAQI
9th Nov 202514112 AMAQI
9th Nov 20251391 AMAQI
9th Nov 20251532 AMAQI
9th Nov 20251243 AMAQI
9th Nov 20251114 AMAQI
9th Nov 2025965 AMAQI
8°C5/10°C
9th Nov 2025916 AMAQI
9th Nov 2025837 AMAQI
9th Nov 2025788 AMAQI
9th Nov 2025799 AMAQI
9th Nov 20257710 AMAQI
9th Nov 20257511 AMAQI
9th Nov 20256912 PMAQI
9th Nov 2025691 PMAQI
9th Nov 2025642 PMAQI
9th Nov 2025603 PMAQI
9th Nov 2025464 PMAQI
9th Nov 2025505 PMAQI
9th Nov 2025506 PMAQI
9th Nov 2025397 PMAQI
9th Nov 2025398 PMAQI
9th Nov 2025339 PMAQI
9th Nov 20253310 PMAQI
9th Nov 20253711 PMAQI
10th Nov 20253712 AMAQI
10th Nov 2025341 AMAQI
10th Nov 2025212 AMAQI
10th Nov 2025373 AMAQI
10th Nov 2025474 AMAQI
10th Nov 2025455 AMAQI
8°C5/11°C
10th Nov 2025466 AMAQI
10th Nov 2025457 AMAQI
10th Nov 2025498 AMAQI
10th Nov 2025469 AMAQI
10th Nov 20254910 AMAQI
10th Nov 20254511 AMAQI
10th Nov 20254112 PMAQI
10th Nov 2025431 PMAQI
10th Nov 2025392 PMAQI
10th Nov 2025443 PMAQI
10th Nov 2025424 PMAQI
10th Nov 2025395 PMAQI
10th Nov 2025406 PMAQI
10th Nov 2025457 PMAQI
10th Nov 2025558 PMAQI
10th Nov 2025569 PMAQI
10th Nov 20255710 PMAQI
10th Nov 20256211 PMAQI
11th Nov 20256512 AMAQI
11th Nov 2025661 AMAQI
11th Nov 2025662 AMAQI
11th Nov 2025703 AMAQI
11th Nov 2025734 AMAQI
11th Nov 2025725 AMAQI
7°C5/9°C
11th Nov 2025726 AMAQI
11th Nov 2025717 AMAQI
11th Nov 2025698 AMAQI
11th Nov 2025739 AMAQI
11th Nov 20256810 AMAQI
11th Nov 20257011 AMAQI
11th Nov 20257112 PMAQI
11th Nov 2025701 PMAQI
11th Nov 2025732 PMAQI
11th Nov 2025663 PMAQI
11th Nov 2025664 PMAQI
11th Nov 2025615 PMAQI
11th Nov 2025616 PMAQI
11th Nov 2025637 PMAQI
11th Nov 2025618 PMAQI
11th Nov 2025679 PMAQI
11th Nov 20256810 PMAQI
11th Nov 20256911 PMAQI
12th Nov 20256712 AMAQI
12th Nov 2025621 AMAQI
12th Nov 2025612 AMAQI
12th Nov 2025653 AMAQI
12th Nov 2025654 AMAQI
12th Nov 2025655 AMAQI
8°C5/11°C
12th Nov 2025646 AMAQI
12th Nov 2025657 AMAQI
12th Nov 2025658 AMAQI
12th Nov 2025679 AMAQI
12th Nov 20257110 AMAQI
12th Nov 20256911 AMAQI
12th Nov 20256812 PMAQI
12th Nov 2025641 PMAQI
12th Nov 2025722 PMAQI
12th Nov 2025713 PMAQI
12th Nov 2025714 PMAQI
12th Nov 2025765 PMAQI
12th Nov 2025756 PMAQI
12th Nov 2025767 PMAQI
12th Nov 2025778 PMAQI
12th Nov 2025759 PMAQI
12th Nov 20255710 PMAQI
12th Nov 20256811 PMAQI
13th Nov 20256812 AMAQI
13th Nov 2025671 AMAQI
13th Nov 2025672 AMAQI
13th Nov 2025603 AMAQI
13th Nov 2025564 AMAQI
13th Nov 2025535 AMAQI
7°C4/12°C
13th Nov 2025536 AMAQI
13th Nov 2025507 AMAQI
13th Nov 2025448 AMAQI
13th Nov 2025489 AMAQI
13th Nov 20254610 AMAQI
13th Nov 20254511 AMAQI
13th Nov 20254412 PMAQI
13th Nov 2025441 PMAQI
13th Nov 2025442 PMAQI
13th Nov 2025453 PMAQI
13th Nov 2025504 PMAQI
13th Nov 2025485 PMAQI
13th Nov 2025526 PMAQI
13th Nov 2025467 PMAQI
13th Nov 2025498 PMAQI
13th Nov 2025409 PMAQI
13th Nov 20253810 PMAQI
13th Nov 20253511 PMAQI
14th Nov 20254212 AMAQI
14th Nov 2025441 AMAQI
14th Nov 2025382 AMAQI
14th Nov 2025403 AMAQI
14th Nov 2025504 AMAQI
14th Nov 2025495 AMAQI
8°C5/13°C
14th Nov 2025406 AMAQI
14th Nov 2025417 AMAQI
14th Nov 2025428 AMAQI
14th Nov 2025449 AMAQI
14th Nov 20254310 AMAQI
14th Nov 20254411 AMAQI
14th Nov 20253312 PMAQI
14th Nov 2025331 PMAQI
14th Nov 2025332 PMAQI
14th Nov 2025333 PMAQI
14th Nov 2025324 PMAQI
14th Nov 2025285 PMAQI
14th Nov 2025286 PMAQI
14th Nov 2025287 PMAQI
14th Nov 2025308 PMAQI
14th Nov 2025349 PMAQI
14th Nov 20254110 PMAQI
14th Nov 20255211 PMAQI
15th Nov 20255112 AMAQI
15th Nov 2025551 AMAQI
15th Nov 2025562 AMAQI
15th Nov 2025563 AMAQI
15th Nov 2025584 AMAQI
15th Nov 2025605 AMAQI
9°C6/14°C
15th Nov 2025586 AMAQI
15th Nov 2025577 AMAQI
15th Nov 2025608 AMAQI
15th Nov 2025609 AMAQI
15th Nov 20256010 AMAQI
15th Nov 20256111 AMAQI
15th Nov 20256012 PMAQI
15th Nov 2025681 PMAQI
15th Nov 2025662 PMAQI
15th Nov 2025473 PMAQI
15th Nov 2025484 PMAQI
15th Nov 2025505 PMAQI
15th Nov 2025526 PMAQI
15th Nov 2025567 PMAQI
15th Nov 2025658 PMAQI
15th Nov 2025659 PMAQI
15th Nov 20257810 PMAQI
15th Nov 20257511 PMAQI
16th Nov 20258112 AMAQI
16th Nov 2025811 AMAQI
16th Nov 2025782 AMAQI
16th Nov 2025873 AMAQI
16th Nov 2025874 AMAQI
16th Nov 2025895 AMAQI
9°C6/12°C
16th Nov 2025926 AMAQI
16th Nov 2025957 AMAQI
16th Nov 2025968 AMAQI
16th Nov 2025999 AMAQI
16th Nov 20259510 AMAQI
16th Nov 20258011 AMAQI
16th Nov 20257512 PMAQI
16th Nov 2025681 PMAQI
16th Nov 2025562 PMAQI
16th Nov 2025473 PMAQI
16th Nov 2025414 PMAQI
16th Nov 2025355 PMAQI
16th Nov 2025316 PMAQI
16th Nov 2025337 PMAQI
16th Nov 2025378 PMAQI
16th Nov 2025399 PMAQI
16th Nov 20254210 PMAQI
16th Nov 20254711 PMAQI
17th Nov 20255212 AMAQI
17th Nov 2025541 AMAQI
17th Nov 2025512 AMAQI
17th Nov 2025553 AMAQI
17th Nov 2025584 AMAQI
17th Nov 2025585 AMAQI
8°C6/10°C
17th Nov 2025596 AMAQI
17th Nov 2025577 AMAQI
17th Nov 2025558 AMAQI
17th Nov 2025559 AMAQI
17th Nov 20255610 AMAQI
17th Nov 20255511 AMAQI
17th Nov 20255512 PMAQI
17th Nov 2025441 PMAQI
17th Nov 2025442 PMAQI
17th Nov 2025483 PMAQI
17th Nov 2025404 PMAQI
17th Nov 2025425 PMAQI
17th Nov 2025336 PMAQI
17th Nov 2025287 PMAQI
17th Nov 2025358 PMAQI
17th Nov 2025269 PMAQI
17th Nov 20252610 PMAQI
17th Nov 20252411 PMAQI
18th Nov 20252712 AMAQI
18th Nov 2025351 AMAQI
18th Nov 2025182 AMAQI
18th Nov 2025223 AMAQI
18th Nov 2025204 AMAQI
18th Nov 2025185 AMAQI
5°C1/9°C
18th Nov 2025236 AMAQI
18th Nov 2025247 AMAQI
18th Nov 2025228 AMAQI
18th Nov 2025289 AMAQI
18th Nov 20253310 AMAQI
18th Nov 20252811 AMAQI
18th Nov 20253012 PMAQI
18th Nov 2025441 PMAQI
18th Nov 2025282 PMAQI
18th Nov 2025273 PMAQI
18th Nov 2025224 PMAQI
18th Nov 2025245 PMAQI
18th Nov 2025376 PMAQI
18th Nov 2025407 PMAQI
18th Nov 2025348 PMAQI
18th Nov 2025359 PMAQI
18th Nov 20253710 PMAQI
18th Nov 20253411 PMAQI
19th Nov 20252612 AMAQI
19th Nov 2025341 AMAQI
19th Nov 2025612 AMAQI
19th Nov 2025603 AMAQI
19th Nov 2025604 AMAQI
19th Nov 2025635 AMAQI
2°C0/5°C
19th Nov 2025666 AMAQI
19th Nov 2025687 AMAQI
19th Nov 2025678 AMAQI
19th Nov 2025679 AMAQI
19th Nov 20255810 AMAQI
19th Nov 20255611 AMAQI
19th Nov 20255712 PMAQI
19th Nov 2025531 PMAQI
19th Nov 2025492 PMAQI
19th Nov 2025543 PMAQI
19th Nov 2025344 PMAQI
19th Nov 2025375 PMAQI
19th Nov 2025386 PMAQI
19th Nov 2025397 PMAQI
19th Nov 2025408 PMAQI
19th Nov 2025449 PMAQI
19th Nov 20253410 PMAQI
19th Nov 20253311 PMAQI
20th Nov 20253612 AMAQI
20th Nov 2025581 AMAQI
20th Nov 2025602 AMAQI
20th Nov 2025623 AMAQI
20th Nov 2025634 AMAQI
20th Nov 2025665 AMAQI
1°C-1/5°C
20th Nov 2025666 AMAQI
20th Nov 2025697 AMAQI
20th Nov 2025898 AMAQI
20th Nov 2025829 AMAQI
20th Nov 20258210 AMAQI
20th Nov 20256811 AMAQI
20th Nov 20256612 PMAQI
20th Nov 2025751 PMAQI
20th Nov 2025732 PMAQI
20th Nov 2025723 PMAQI
20th Nov 2025724 PMAQI
20th Nov 2025705 PMAQI
20th Nov 2025656 PMAQI
20th Nov 2025647 PMAQI
20th Nov 2025628 PMAQI
20th Nov 2025619 PMAQI
20th Nov 20255810 PMAQI
20th Nov 20255911 PMAQI
21st Nov 20255712 AMAQI
21st Nov 2025561 AMAQI
21st Nov 2025652 AMAQI
21st Nov 2025663 AMAQI
21st Nov 2025624 AMAQI
21st Nov 2025615 AMAQI
3°C2/6°C
21st Nov 2025566 AMAQI
21st Nov 2025567 AMAQI
21st Nov 2025558 AMAQI
21st Nov 2025539 AMAQI
21st Nov 20255310 AMAQI
21st Nov 20254711 AMAQI
21st Nov 20254012 PMAQI
21st Nov 2025371 PMAQI
21st Nov 2025402 PMAQI
21st Nov 2025403 PMAQI
21st Nov 2025404 PMAQI
21st Nov 2025445 PMAQI
21st Nov 2025446 PMAQI
21st Nov 2025437 PMAQI
21st Nov 2025488 PMAQI
21st Nov 2025509 PMAQI
21st Nov 20255210 PMAQI
21st Nov 20255411 PMAQI
22nd Nov 20255512 AMAQI
22nd Nov 2025541 AMAQI
22nd Nov 2025562 AMAQI
22nd Nov 2025573 AMAQI
22nd Nov 2025604 AMAQI
22nd Nov 2025625 AMAQI
1°C-1/1°C
22nd Nov 2025606 AMAQI
22nd Nov 2025607 AMAQI
22nd Nov 2025618 AMAQI
22nd Nov 2025609 AMAQI
22nd Nov 20256210 AMAQI
22nd Nov 20256211 AMAQI
22nd Nov 20256012 PMAQI
22nd Nov 2025611 PMAQI
22nd Nov 2025632 PMAQI
22nd Nov 2025643 PMAQI
22nd Nov 2025664 PMAQI
22nd Nov 2025655 PMAQI
22nd Nov 2025656 PMAQI
22nd Nov 2025577 PMAQI
22nd Nov 2025578 PMAQI
22nd Nov 2025549 PMAQI
22nd Nov 20255510 PMAQI
22nd Nov 20255311 PMAQI
23rd Nov 20255312 AMAQI
23rd Nov 2025511 AMAQI
23rd Nov 2025562 AMAQI
23rd Nov 2025573 AMAQI
23rd Nov 2025594 AMAQI
23rd Nov 2025605 AMAQI
-1°C-2/1°C
23rd Nov 2025596 AMAQI
23rd Nov 2025657 AMAQI
23rd Nov 2025728 AMAQI
23rd Nov 2025739 AMAQI
23rd Nov 20257610 AMAQI
23rd Nov 20257611 AMAQI
23rd Nov 20258012 PMAQI
23rd Nov 2025831 PMAQI
23rd Nov 2025822 PMAQI
23rd Nov 2025793 PMAQI
23rd Nov 2025784 PMAQI
23rd Nov 2025735 PMAQI
23rd Nov 2025686 PMAQI
23rd Nov 2025647 PMAQI
23rd Nov 2025668 PMAQI
23rd Nov 2025659 PMAQI
23rd Nov 20256910 PMAQI
23rd Nov 20257311 PMAQI
24th Nov 20257312 AMAQI
24th Nov 2025671 AMAQI
24th Nov 2025702 AMAQI
24th Nov 2025693 AMAQI
24th Nov 2025794 AMAQI
24th Nov 2025735 AMAQI
-3°C-7/-1°C
24th Nov 2025616 AMAQI
24th Nov 2025697 AMAQI
24th Nov 2025678 AMAQI
24th Nov 2025669 AMAQI
24th Nov 20255810 AMAQI
24th Nov 20255711 AMAQI
24th Nov 20255912 PMAQI
24th Nov 2025581 PMAQI
24th Nov 2025532 PMAQI
24th Nov 2025483 PMAQI
24th Nov 2025454 PMAQI
24th Nov 2025455 PMAQI
24th Nov 2025466 PMAQI
24th Nov 2025467 PMAQI
24th Nov 2025498 PMAQI
24th Nov 2025549 PMAQI
24th Nov 20255410 PMAQI
24th Nov 20255611 PMAQI
25th Nov 20256312 AMAQI
25th Nov 2025741 AMAQI
25th Nov 2025662 AMAQI
25th Nov 2025653 AMAQI
25th Nov 2025734 AMAQI
25th Nov 2025905 AMAQI
-2°C-9/2°C
25th Nov 20251246 AMAQI
25th Nov 20251217 AMAQI
25th Nov 20251218 AMAQI
25th Nov 20251239 AMAQI
25th Nov 202511710 AMAQI
25th Nov 202510511 AMAQI
25th Nov 202510612 PMAQI
25th Nov 2025971 PMAQI
25th Nov 20251022 PMAQI
25th Nov 20251153 PMAQI
25th Nov 20251174 PMAQI
25th Nov 2025995 PMAQI
25th Nov 2025906 PMAQI
25th Nov 2025877 PMAQI
25th Nov 2025968 PMAQI
25th Nov 2025929 PMAQI
25th Nov 20258810 PMAQI
25th Nov 20258211 PMAQI
26th Nov 20257512 AMAQI
26th Nov 2025741 AMAQI
26th Nov 2025722 AMAQI
26th Nov 2025613 AMAQI
26th Nov 2025624 AMAQI
26th Nov 2025585 AMAQI
0°C0/1°C
26th Nov 2025566 AMAQI
26th Nov 2025567 AMAQI
26th Nov 2025568 AMAQI
26th Nov 2025529 AMAQI
26th Nov 20255310 AMAQI
26th Nov 20255611 AMAQI
26th Nov 20255512 PMAQI
26th Nov 2025541 PMAQI
26th Nov 2025542 PMAQI
26th Nov 2025553 PMAQI
26th Nov 2025564 PMAQI
26th Nov 2025515 PMAQI
26th Nov 2025506 PMAQI
26th Nov 2025517 PMAQI
26th Nov 2025518 PMAQI
26th Nov 2025569 PMAQI
26th Nov 20255010 PMAQI
26th Nov 20255311 PMAQI
27th Nov 20255512 AMAQI
27th Nov 2025541 AMAQI
27th Nov 2025552 AMAQI
27th Nov 2025563 AMAQI
27th Nov 2025534 AMAQI
27th Nov 2025545 AMAQI
0°C-1/0°C
27th Nov 2025546 AMAQI
27th Nov 2025527 AMAQI
27th Nov 2025508 AMAQI
27th Nov 2025519 AMAQI
27th Nov 20254910 AMAQI
27th Nov 20255011 AMAQI
27th Nov 20254912 PMAQI
27th Nov 2025491 PMAQI
27th Nov 2025522 PMAQI
27th Nov 2025503 PMAQI
27th Nov 2025524 PMAQI
27th Nov 2025525 PMAQI
27th Nov 2025556 PMAQI
27th Nov 2025567 PMAQI
27th Nov 2025508 PMAQI
27th Nov 2025449 PMAQI
27th Nov 20255010 PMAQI
27th Nov 20255611 PMAQI
28th Nov 20256312 AMAQI
28th Nov 2025701 AMAQI
28th Nov 20251112 AMAQI
28th Nov 20251173 AMAQI
28th Nov 20251134 AMAQI
28th Nov 20251075 AMAQI
-1°C-2/1°C
28th Nov 20251036 AMAQI
6 AM28th Nov 2025947 AMAQI
28th Nov 2025868 AMAQI
28th Nov 2025819 AMAQI
28th Nov 20258210 AMAQI
28th Nov 20257811 AMAQI
11 AM28th Nov 20256612 PMAQI
28th Nov 2025641 PMAQI
28th Nov 2025682 PMAQI
28th Nov 2025703 PMAQI
28th Nov 2025674 PMAQI
4 PM28th Nov 2025685 PMAQI
28th Nov 2025726 PMAQI
28th Nov 2025727 PMAQI
28th Nov 2025848 PMAQI
28th Nov 2025679 PMAQI
28th Nov 20256710 PMAQI
28th Nov 20259611 PMAQI
11 PM5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM
65AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM
50AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 65), while the lowest AQI was between 4 PM to 4 PM (Avg. 50).
Night time
Avg. Highest Time
2 AM - 5 AM
66AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 PM - 7 PM
49AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 5 AM (Avg. 66), while the lowest AQI was between 5 PM to 7 PM (Avg. 49).
2025 Days Vs Air Quality
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
2025
60%
199
34%
114
5%
15
0.9%
3
Total number of days with different AQI categories in last 332 days in 2025 (33 days remaining)
Good
199 DaysModerate
114 DaysPoor
15 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 332 days were within WHO’s safe air quality limits, and 40% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
AQI levels in 2025
AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
73AQI
73AQI
2nd January 2025
61AQI
61AQI
3rd January 2025
45AQI
45AQI
4th January 2025
37AQI
37AQI
5th January 2025
96AQI
96AQI
6th January 2025
49AQI
49AQI
7th January 2025
54AQI
54AQI
8th January 2025
34AQI
34AQI
9th January 2025
35AQI
35AQI
10th January 2025
24AQI
24AQI
11th January 2025
23AQI
23AQI
12th January 2025
22AQI
22AQI
13th January 2025
43AQI
43AQI
14th January 2025
62AQI
62AQI
15th January 2025
67AQI
67AQI
16th January 2025
62AQI
62AQI
17th January 2025
53AQI
53AQI
18th January 2025
72AQI
72AQI
19th January 2025
68AQI
68AQI
20th January 2025
57AQI
57AQI
21st January 2025
62AQI
62AQI
22nd January 2025
78AQI
78AQI
23rd January 2025
66AQI
66AQI
24th January 2025
66AQI
66AQI
25th January 2025
56AQI
56AQI
26th January 2025
66AQI
66AQI
27th January 2025
55AQI
55AQI
28th January 2025
50AQI
50AQI
29th January 2025
30AQI
30AQI
30th January 2025
60AQI
60AQI
31st January 2025
64AQI
64AQI
1st February 2025
62AQI
62AQI
2nd February 2025
85AQI
85AQI
3rd February 2025
101AQI
101AQI
4th February 2025
114AQI
114AQI
5th February 2025
88AQI
88AQI
6th February 2025
79AQI
79AQI
7th February 2025
113AQI
113AQI
8th February 2025
110AQI
110AQI
9th February 2025
153AQI
153AQI
10th February 2025
153AQI
153AQI
11th February 2025
152AQI
152AQI
12th February 2025
135AQI
135AQI
13th February 2025
86AQI
86AQI
14th February 2025
98AQI
98AQI
15th February 2025
86AQI
86AQI
16th February 2025
99AQI
99AQI
17th February 2025
138AQI
138AQI
18th February 2025
117AQI
117AQI
19th February 2025
110AQI
110AQI
20th February 2025
112AQI
112AQI
21st February 2025
97AQI
97AQI
22nd February 2025
77AQI
77AQI
23rd February 2025
87AQI
87AQI
24th February 2025
112AQI
112AQI
25th February 2025
101AQI
101AQI
26th February 2025
121AQI
121AQI
27th February 2025
104AQI
104AQI
28th February 2025
75AQI
75AQI
1st March 2025
69AQI
69AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
73AQI
73AQI
4th March 2025
91AQI
91AQI
5th March 2025
76AQI
76AQI
6th March 2025
78AQI
78AQI
7th March 2025
77AQI
77AQI
8th March 2025
96AQI
96AQI
9th March 2025
112AQI
112AQI
10th March 2025
91AQI
91AQI
11th March 2025
54AQI
54AQI
12th March 2025
50AQI
50AQI
13th March 2025
42AQI
42AQI
14th March 2025
56AQI
56AQI
15th March 2025
57AQI
57AQI
16th March 2025
69AQI
69AQI
17th March 2025
61AQI
61AQI
18th March 2025
54AQI
54AQI
19th March 2025
61AQI
61AQI
20th March 2025
66AQI
66AQI
21st March 2025
73AQI
73AQI
22nd March 2025
95AQI
95AQI
23rd March 2025
46AQI
46AQI
24th March 2025
61AQI
61AQI
25th March 2025
81AQI
81AQI
26th March 2025
95AQI
95AQI
27th March 2025
64AQI
64AQI
28th March 2025
74AQI
74AQI
29th March 2025
96AQI
96AQI
30th March 2025
80AQI
80AQI
31st March 2025
35AQI
35AQI
1st April 2025
69AQI
69AQI
2nd April 2025
72AQI
72AQI
3rd April 2025
55AQI
55AQI
4th April 2025
62AQI
62AQI
5th April 2025
50AQI
50AQI
6th April 2025
32AQI
32AQI
7th April 2025
27AQI
27AQI
8th April 2025
37AQI
37AQI
9th April 2025
43AQI
43AQI
10th April 2025
27AQI
27AQI
11th April 2025
50AQI
50AQI
12th April 2025
52AQI
52AQI
13th April 2025
52AQI
52AQI
14th April 2025
43AQI
43AQI
15th April 2025
32AQI
32AQI
16th April 2025
33AQI
33AQI
17th April 2025
43AQI
43AQI
18th April 2025
24AQI
24AQI
19th April 2025
19AQI
19AQI
20th April 2025
22AQI
22AQI
21st April 2025
33AQI
33AQI
22nd April 2025
42AQI
42AQI
23rd April 2025
38AQI
38AQI
24th April 2025
60AQI
60AQI
25th April 2025
51AQI
51AQI
26th April 2025
36AQI
36AQI
27th April 2025
31AQI
31AQI
28th April 2025
35AQI
35AQI
29th April 2025
33AQI
33AQI
30th April 2025
35AQI
35AQI
1st May 2025
37AQI
37AQI
2nd May 2025
36AQI
36AQI
3rd May 2025
36AQI
36AQI
4th May 2025
29AQI
29AQI
5th May 2025
25AQI
25AQI
6th May 2025
30AQI
30AQI
7th May 2025
35AQI
35AQI
8th May 2025
22AQI
22AQI
9th May 2025
30AQI
30AQI
10th May 2025
30AQI
30AQI
11th May 2025
30AQI
30AQI
12th May 2025
36AQI
36AQI
13th May 2025
43AQI
43AQI
14th May 2025
36AQI
36AQI
15th May 2025
25AQI
25AQI
16th May 2025
18AQI
18AQI
17th May 2025
19AQI
19AQI
18th May 2025
16AQI
16AQI
19th May 2025
16AQI
16AQI
20th May 2025
24AQI
24AQI
21st May 2025
29AQI
29AQI
22nd May 2025
32AQI
32AQI
23rd May 2025
19AQI
19AQI
24th May 2025
21AQI
21AQI
25th May 2025
21AQI
21AQI
26th May 2025
20AQI
20AQI
27th May 2025
21AQI
21AQI
28th May 2025
23AQI
23AQI
29th May 2025
20AQI
20AQI
30th May 2025
26AQI
26AQI
31st May 2025
33AQI
33AQI
1st June 2025
31AQI
31AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
32AQI
32AQI
4th June 2025
37AQI
37AQI
5th June 2025
30AQI
30AQI
6th June 2025
25AQI
25AQI
7th June 2025
21AQI
21AQI
8th June 2025
22AQI
22AQI
9th June 2025
22AQI
22AQI
10th June 2025
32AQI
32AQI
11th June 2025
39AQI
39AQI
12th June 2025
41AQI
41AQI
13th June 2025
34AQI
34AQI
14th June 2025
40AQI
40AQI
15th June 2025
48AQI
48AQI
16th June 2025
48AQI
48AQI
17th June 2025
42AQI
42AQI
18th June 2025
44AQI
44AQI
19th June 2025
50AQI
50AQI
20th June 2025
38AQI
38AQI
21st June 2025
33AQI
33AQI
22nd June 2025
29AQI
29AQI
23rd June 2025
37AQI
37AQI
24th June 2025
34AQI
34AQI
25th June 2025
33AQI
33AQI
26th June 2025
31AQI
31AQI
27th June 2025
29AQI
29AQI
28th June 2025
26AQI
26AQI
29th June 2025
29AQI
29AQI
30th June 2025
28AQI
28AQI
1st July 2025
27AQI
27AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
41AQI
41AQI
4th July 2025
37AQI
37AQI
5th July 2025
34AQI
34AQI
6th July 2025
36AQI
36AQI
7th July 2025
36AQI
36AQI
8th July 2025
36AQI
36AQI
9th July 2025
27AQI
27AQI
10th July 2025
23AQI
23AQI
11th July 2025
22AQI
22AQI
12th July 2025
23AQI
23AQI
13th July 2025
29AQI
29AQI
14th July 2025
31AQI
31AQI
15th July 2025
37AQI
37AQI
16th July 2025
38AQI
38AQI
17th July 2025
28AQI
28AQI
18th July 2025
30AQI
30AQI
19th July 2025
34AQI
34AQI
20th July 2025
39AQI
39AQI
21st July 2025
46AQI
46AQI
22nd July 2025
26AQI
26AQI
23rd July 2025
19AQI
19AQI
24th July 2025
26AQI
26AQI
25th July 2025
35AQI
35AQI
26th July 2025
53AQI
53AQI
27th July 2025
47AQI
47AQI
28th July 2025
34AQI
34AQI
29th July 2025
29AQI
29AQI
30th July 2025
28AQI
28AQI
31st July 2025
26AQI
26AQI
1st August 2025
26AQI
26AQI
2nd August 2025
25AQI
25AQI
3rd August 2025
27AQI
27AQI
4th August 2025
29AQI
29AQI
5th August 2025
33AQI
33AQI
6th August 2025
25AQI
25AQI
7th August 2025
26AQI
26AQI
8th August 2025
34AQI
34AQI
9th August 2025
50AQI
50AQI
10th August 2025
58AQI
58AQI
11th August 2025
49AQI
49AQI
12th August 2025
39AQI
39AQI
13th August 2025
46AQI
46AQI
14th August 2025
56AQI
56AQI
15th August 2025
61AQI
61AQI
16th August 2025
62AQI
62AQI
17th August 2025
53AQI
53AQI
18th August 2025
31AQI
31AQI
19th August 2025
29AQI
29AQI
20th August 2025
36AQI
36AQI
21st August 2025
46AQI
46AQI
22nd August 2025
40AQI
40AQI
23rd August 2025
25AQI
25AQI
24th August 2025
17AQI
17AQI
25th August 2025
20AQI
20AQI
26th August 2025
27AQI
27AQI
27th August 2025
40AQI
40AQI
28th August 2025
50AQI
50AQI
29th August 2025
47AQI
47AQI
30th August 2025
32AQI
32AQI
31st August 2025
30AQI
30AQI
1st September 2025
42AQI
42AQI
2nd September 2025
46AQI
46AQI
3rd September 2025
43AQI
43AQI
4th September 2025
40AQI
40AQI
5th September 2025
52AQI
52AQI
6th September 2025
29AQI
29AQI
7th September 2025
26AQI
26AQI
8th September 2025
38AQI
38AQI
9th September 2025
46AQI
46AQI
10th September 2025
50AQI
50AQI
11th September 2025
37AQI
37AQI
12th September 2025
34AQI
34AQI
13th September 2025
37AQI
37AQI
14th September 2025
36AQI
36AQI
15th September 2025
20AQI
20AQI
16th September 2025
21AQI
21AQI
17th September 2025
19AQI
19AQI
18th September 2025
25AQI
25AQI
19th September 2025
26AQI
26AQI
20th September 2025
32AQI
32AQI
21st September 2025
29AQI
29AQI
22nd September 2025
36AQI
36AQI
23rd September 2025
28AQI
28AQI
24th September 2025
25AQI
25AQI
25th September 2025
40AQI
40AQI
26th September 2025
34AQI
34AQI
27th September 2025
54AQI
54AQI
28th September 2025
67AQI
67AQI
29th September 2025
51AQI
51AQI
30th September 2025
54AQI
54AQI
1st October 2025
64AQI
64AQI
2nd October 2025
79AQI
79AQI
3rd October 2025
83AQI
83AQI
4th October 2025
94AQI
94AQI
5th October 2025
40AQI
40AQI
6th October 2025
49AQI
49AQI
7th October 2025
48AQI
48AQI
8th October 2025
56AQI
56AQI
9th October 2025
60AQI
60AQI
10th October 2025
39AQI
39AQI
11th October 2025
44AQI
44AQI
12th October 2025
53AQI
53AQI
13th October 2025
55AQI
55AQI
14th October 2025
71AQI
71AQI
15th October 2025
81AQI
81AQI
16th October 2025
86AQI
86AQI
17th October 2025
54AQI
54AQI
18th October 2025
51AQI
51AQI
19th October 2025
61AQI
61AQI
20th October 2025
82AQI
82AQI
21st October 2025
62AQI
62AQI
22nd October 2025
58AQI
58AQI
23rd October 2025
47AQI
47AQI
24th October 2025
20AQI
20AQI
25th October 2025
20AQI
20AQI
26th October 2025
23AQI
23AQI
27th October 2025
22AQI
22AQI
28th October 2025
21AQI
21AQI
29th October 2025
25AQI
25AQI
30th October 2025
40AQI
40AQI
31st October 2025
52AQI
52AQI
1st November 2025
72AQI
72AQI
2nd November 2025
55AQI
55AQI
3rd November 2025
44AQI
44AQI
4th November 2025
38AQI
38AQI
5th November 2025
61AQI
61AQI
6th November 2025
80AQI
80AQI
7th November 2025
84AQI
84AQI
8th November 2025
117AQI
117AQI
9th November 2025
86AQI
86AQI
10th November 2025
44AQI
44AQI
11th November 2025
67AQI
67AQI
12th November 2025
68AQI
68AQI
13th November 2025
53AQI
53AQI
14th November 2025
39AQI
39AQI
15th November 2025
58AQI
58AQI
16th November 2025
68AQI
68AQI
17th November 2025
46AQI
46AQI
18th November 2025
29AQI
29AQI
19th November 2025
45AQI
45AQI
20th November 2025
60AQI
60AQI
21st November 2025
52AQI
52AQI
22nd November 2025
58AQI
58AQI
23rd November 2025
65AQI
65AQI
24th November 2025
62AQI
62AQI
25th November 2025
89AQI
89AQI
26th November 2025
60AQI
60AQI
27th November 2025
53AQI
53AQI
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
55AQI
106AQI
71AQI
41AQI
27AQI
34AQI
32AQI
38AQI
37AQI
53AQI
61AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202550AQI
11
20
12
13
3
4
26
1
22
8
31
30
30
1
26
5
25
5
13
18
7
19
1
199
114
15
3
Highest AQI recorded in
February106AQI
Lowest AQI recorded in
May27AQI
202453AQI
13
14
2
2
18
10
1
12
17
2
24
5
1
30
1
24
6
23
7
24
7
15
15
16
14
1
10
15
5
9
16
3
3
218
127
15
5
Highest AQI recorded in
December75AQI
Lowest AQI recorded in
May39AQI
202351AQI
17
11
3
12
13
2
1
19
9
3
13
17
20
11
22
8
26
5
22
9
17
13
23
7
1
22
7
16
10
3
2
229
120
12
3
Highest AQI recorded in
February66AQI
Lowest AQI recorded in
July40AQI
202263AQI
14
12
5
12
9
1
11
19
15
15
16
15
14
16
16
8
1
21
7
14
16
1
3
18
9
6
16
8
1
133
143
42
1
Highest AQI recorded in
March103AQI
Lowest AQI recorded in
August27AQI
202161AQI
1
2
5
21
5
13
16
1
26
4
1
6
24
15
16
26
5
9
20
1
3
25
3
7
16
7
9
13
6
3
120
162
24
3
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
August39AQI
202056AQI
1
7
5
3
8
10
8
17
13
24
7
17
14
15
15
15
14
5
21
3
1
1
1
107
108
8
2
Highest AQI recorded in
December131AQI
Lowest AQI recorded in
July43AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
63AQILeast Polluted Year Recorded
2025(Avg.)
50AQIOstrava Ceskobratrsk's annual 2025 AQI (50) shows an average percentage change of -11.2% (improved AQI) compared to previous years: 2020 (56), 2021 (61), 2022 (63), 2023 (51), 2024 (53).
