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, Moravskoslezsky Kraj, Czechia
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Nov 2022
143AQILowest AQI recorded on
5th Nov 2023
24AQISame Day Analysis (4th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Nov - 5th Nov 2025
Ostrava, Moravskoslezsky Kraj, Czechia
AQI
Day
Night
.
7 AM4th Nov 2025
5 PM
6 AM5th Nov 2025
Day time
Avg. Highest Time
6AM5th Nov
84AQI
Avg. Lowest Time
4PM4th Nov
31AQI
Night time
Avg. Highest Time
5AM5th Nov
87AQI
Avg. Lowest Time
5PM4th Nov
28AQI
In the last 24 hours,
Ostrava's AQI reached its highest point of 87 at 5 AM during the Night, while the lowest point, 28, was recorded at 5 PM during the Night between 4th Nov and 5th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Ostrava, Moravskoslezsky Kraj, Czechia
OctNov
06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Oct 2025437 AMAQI
6th Oct 2025388 AMAQI
6th Oct 2025379 AMAQI
6th Oct 20253910 AMAQI
6th Oct 20254011 AMAQI
6th Oct 20254112 PMAQI
6th Oct 2025391 PMAQI
6th Oct 2025472 PMAQI
6th Oct 2025533 PMAQI
6th Oct 2025544 PMAQI
6th Oct 2025485 PMAQI
6th Oct 2025466 PMAQI
6th Oct 2025477 PMAQI
9°C7/11°C
7th Oct 2025421 PMAQI
7th Oct 2025472 PMAQI
7th Oct 2025443 PMAQI
7th Oct 2025524 PMAQI
7th Oct 2025555 PMAQI
7th Oct 2025496 PMAQI
7th Oct 2025447 PMAQI
7th Oct 2025448 PMAQI
7th Oct 2025449 PMAQI
7th Oct 20254710 PMAQI
7th Oct 20255311 PMAQI
8th Oct 20255912 AMAQI
8th Oct 2025601 AMAQI
8th Oct 2025622 AMAQI
8th Oct 2025593 AMAQI
8th Oct 2025584 AMAQI
8th Oct 2025695 AMAQI
8th Oct 2025636 AMAQI
10°C9/12°C
8th Oct 2025627 AMAQI
8th Oct 2025588 AMAQI
8th Oct 2025679 AMAQI
8th Oct 20257210 AMAQI
8th Oct 20256911 AMAQI
8th Oct 20256712 PMAQI
8th Oct 2025681 PMAQI
8th Oct 2025702 PMAQI
8th Oct 2025713 PMAQI
8th Oct 2025714 PMAQI
8th Oct 2025685 PMAQI
8th Oct 2025696 PMAQI
8th Oct 2025717 PMAQI
8th Oct 2025678 PMAQI
8th Oct 2025669 PMAQI
8th Oct 20257510 PMAQI
8th Oct 20258411 PMAQI
9th Oct 20258112 AMAQI
9th Oct 2025911 AMAQI
9th Oct 2025862 AMAQI
9th Oct 2025853 AMAQI
9th Oct 2025864 AMAQI
9th Oct 2025785 AMAQI
9th Oct 2025706 AMAQI
11°C7/15°C
9th Oct 2025727 AMAQI
9th Oct 2025758 AMAQI
9th Oct 2025709 AMAQI
9th Oct 20257010 AMAQI
9th Oct 20256611 AMAQI
9th Oct 20256412 PMAQI
9th Oct 2025611 PMAQI
9th Oct 2025622 PMAQI
9th Oct 2025633 PMAQI
9th Oct 2025574 PMAQI
9th Oct 2025565 PMAQI
9th Oct 2025546 PMAQI
9th Oct 2025517 PMAQI
9th Oct 2025468 PMAQI
9th Oct 2025529 PMAQI
9th Oct 20255210 PMAQI
9th Oct 20254911 PMAQI
10th Oct 20255312 AMAQI
10th Oct 2025551 AMAQI
10th Oct 2025532 AMAQI
10th Oct 2025533 AMAQI
10th Oct 2025524 AMAQI
10th Oct 2025475 AMAQI
10th Oct 2025466 AMAQI
12°C10/14°C
10th Oct 2025467 AMAQI
10th Oct 2025408 AMAQI
10th Oct 2025409 AMAQI
10th Oct 20254810 AMAQI
10th Oct 20254811 AMAQI
10th Oct 20255012 PMAQI
10th Oct 2025511 PMAQI
10th Oct 2025562 PMAQI
10th Oct 2025543 PMAQI
10th Oct 2025514 PMAQI
10th Oct 2025485 PMAQI
10th Oct 2025436 PMAQI
10th Oct 2025417 PMAQI
10th Oct 2025398 PMAQI
10th Oct 2025379 PMAQI
10th Oct 20254210 PMAQI
10th Oct 20253911 PMAQI
11th Oct 20254112 AMAQI
11th Oct 2025481 AMAQI
11th Oct 2025502 AMAQI
11th Oct 2025443 AMAQI
11th Oct 2025424 AMAQI
11th Oct 2025455 AMAQI
11th Oct 2025466 AMAQI
11°C10/14°C
11th Oct 2025437 AMAQI
11th Oct 2025378 AMAQI
11th Oct 2025239 AMAQI
11th Oct 20252210 AMAQI
11th Oct 20253611 AMAQI
11th Oct 20253912 PMAQI
11th Oct 2025421 PMAQI
11th Oct 2025472 PMAQI
11th Oct 2025463 PMAQI
11th Oct 2025484 PMAQI
11th Oct 2025525 PMAQI
11th Oct 2025556 PMAQI
11th Oct 2025577 PMAQI
11th Oct 2025608 PMAQI
11th Oct 2025569 PMAQI
11th Oct 20255410 PMAQI
11th Oct 20255711 PMAQI
12th Oct 20256212 AMAQI
12th Oct 2025541 AMAQI
12th Oct 2025502 AMAQI
12th Oct 2025483 AMAQI
12th Oct 2025574 AMAQI
12th Oct 2025555 AMAQI
12th Oct 2025526 AMAQI
12°C11/13°C
12th Oct 2025537 AMAQI
12th Oct 2025528 AMAQI
12th Oct 2025529 AMAQI
12th Oct 20255110 AMAQI
12th Oct 20255111 AMAQI
12th Oct 20254912 PMAQI
12th Oct 2025521 PMAQI
12th Oct 2025532 PMAQI
12th Oct 2025523 PMAQI
12th Oct 2025494 PMAQI
12th Oct 2025475 PMAQI
12th Oct 2025426 PMAQI
12th Oct 2025447 PMAQI
12th Oct 2025508 PMAQI
12th Oct 2025569 PMAQI
12th Oct 20255410 PMAQI
12th Oct 20255411 PMAQI
13th Oct 20256712 AMAQI
13th Oct 2025681 AMAQI
13th Oct 2025622 AMAQI
13th Oct 2025633 AMAQI
13th Oct 2025594 AMAQI
13th Oct 2025525 AMAQI
13th Oct 2025416 AMAQI
12°C10/16°C
13th Oct 2025357 AMAQI
13th Oct 2025208 AMAQI
13th Oct 2025219 AMAQI
13th Oct 20252010 AMAQI
13th Oct 20252811 AMAQI
13th Oct 20254512 PMAQI
13th Oct 2025471 PMAQI
13th Oct 2025522 PMAQI
13th Oct 2025563 PMAQI
13th Oct 2025584 PMAQI
13th Oct 2025575 PMAQI
13th Oct 2025536 PMAQI
13th Oct 2025537 PMAQI
13th Oct 2025618 PMAQI
13th Oct 2025749 PMAQI
13th Oct 20258710 PMAQI
13th Oct 20259311 PMAQI
14th Oct 20259912 AMAQI
14th Oct 2025971 AMAQI
14th Oct 2025902 AMAQI
14th Oct 2025783 AMAQI
14th Oct 2025694 AMAQI
14th Oct 2025685 AMAQI
14th Oct 2025666 AMAQI
11°C8/13°C
14th Oct 2025677 AMAQI
14th Oct 2025658 AMAQI
14th Oct 2025669 AMAQI
14th Oct 20256710 AMAQI
14th Oct 20256611 AMAQI
14th Oct 20256812 PMAQI
14th Oct 2025671 PMAQI
14th Oct 2025632 PMAQI
14th Oct 2025593 PMAQI
14th Oct 2025584 PMAQI
14th Oct 2025555 PMAQI
14th Oct 2025546 PMAQI
14th Oct 2025547 PMAQI
14th Oct 2025598 PMAQI
14th Oct 2025699 PMAQI
14th Oct 20257210 PMAQI
14th Oct 20256911 PMAQI
15th Oct 20257612 AMAQI
15th Oct 2025851 AMAQI
15th Oct 2025942 AMAQI
15th Oct 2025823 AMAQI
15th Oct 2025774 AMAQI
15th Oct 2025765 AMAQI
15th Oct 2025806 AMAQI
7°C6/9°C
15th Oct 2025967 AMAQI
15th Oct 2025978 AMAQI
15th Oct 2025949 AMAQI
15th Oct 20258710 AMAQI
15th Oct 20257911 AMAQI
15th Oct 20258212 PMAQI
15th Oct 2025831 PMAQI
15th Oct 2025662 PMAQI
15th Oct 2025593 PMAQI
15th Oct 2025714 PMAQI
15th Oct 2025715 PMAQI
15th Oct 2025686 PMAQI
15th Oct 2025717 PMAQI
15th Oct 2025808 PMAQI
15th Oct 20251009 PMAQI
15th Oct 202511110 PMAQI
15th Oct 202511311 PMAQI
16th Oct 202511912 AMAQI
16th Oct 20251171 AMAQI
16th Oct 20251062 AMAQI
16th Oct 20251053 AMAQI
16th Oct 20251064 AMAQI
16th Oct 20251035 AMAQI
16th Oct 2025916 AMAQI
9°C7/11°C
16th Oct 2025937 AMAQI
16th Oct 2025898 AMAQI
16th Oct 2025919 AMAQI
16th Oct 20259510 AMAQI
16th Oct 20259111 AMAQI
16th Oct 20257812 PMAQI
16th Oct 2025641 PMAQI
16th Oct 2025542 PMAQI
16th Oct 2025503 PMAQI
16th Oct 2025504 PMAQI
16th Oct 2025555 PMAQI
16th Oct 2025546 PMAQI
16th Oct 2025567 PMAQI
16th Oct 2025568 PMAQI
16th Oct 2025539 PMAQI
16th Oct 20255910 PMAQI
16th Oct 20256311 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025551 AMAQI
17th Oct 2025612 AMAQI
17th Oct 2025623 AMAQI
17th Oct 2025614 AMAQI
17th Oct 2025625 AMAQI
17th Oct 2025606 AMAQI
10°C6/14°C
17th Oct 2025577 AMAQI
17th Oct 2025568 AMAQI
17th Oct 2025559 AMAQI
17th Oct 20255810 AMAQI
17th Oct 20255811 AMAQI
17th Oct 20255312 PMAQI
17th Oct 2025561 PMAQI
17th Oct 2025562 PMAQI
17th Oct 2025533 PMAQI
17th Oct 2025544 PMAQI
17th Oct 2025555 PMAQI
17th Oct 2025556 PMAQI
17th Oct 2025527 PMAQI
17th Oct 2025518 PMAQI
17th Oct 2025579 PMAQI
17th Oct 20256010 PMAQI
17th Oct 20256111 PMAQI
18th Oct 20255912 AMAQI
18th Oct 2025601 AMAQI
18th Oct 2025612 AMAQI
18th Oct 2025593 AMAQI
18th Oct 2025594 AMAQI
18th Oct 2025605 AMAQI
18th Oct 2025596 AMAQI
10°C8/12°C
18th Oct 2025547 AMAQI
18th Oct 2025528 AMAQI
18th Oct 2025479 AMAQI
18th Oct 20254510 AMAQI
18th Oct 20254111 AMAQI
18th Oct 20253712 PMAQI
18th Oct 2025471 PMAQI
18th Oct 2025362 PMAQI
18th Oct 2025383 PMAQI
18th Oct 2025304 PMAQI
18th Oct 2025295 PMAQI
18th Oct 2025406 PMAQI
18th Oct 2025427 PMAQI
18th Oct 2025508 PMAQI
18th Oct 2025579 PMAQI
18th Oct 20256110 PMAQI
18th Oct 20255711 PMAQI
19th Oct 20255612 AMAQI
19th Oct 2025591 AMAQI
19th Oct 2025542 AMAQI
19th Oct 2025533 AMAQI
19th Oct 2025484 AMAQI
19th Oct 2025455 AMAQI
19th Oct 2025546 AMAQI
8°C4/10°C
19th Oct 2025567 AMAQI
19th Oct 2025538 AMAQI
19th Oct 2025539 AMAQI
19th Oct 20255510 AMAQI
19th Oct 20256311 AMAQI
19th Oct 20256412 PMAQI
19th Oct 2025671 PMAQI
19th Oct 2025682 PMAQI
19th Oct 2025673 PMAQI
19th Oct 2025624 PMAQI
19th Oct 2025585 PMAQI
19th Oct 2025576 PMAQI
19th Oct 2025577 PMAQI
19th Oct 2025668 PMAQI
19th Oct 2025799 PMAQI
19th Oct 20258610 PMAQI
19th Oct 202510011 PMAQI
20th Oct 202510812 AMAQI
20th Oct 20251081 AMAQI
20th Oct 20251082 AMAQI
20th Oct 20251043 AMAQI
20th Oct 2025994 AMAQI
20th Oct 2025985 AMAQI
20th Oct 2025946 AMAQI
6°C4/10°C
20th Oct 2025927 AMAQI
20th Oct 2025888 AMAQI
20th Oct 2025879 AMAQI
20th Oct 202510910 AMAQI
20th Oct 202510011 AMAQI
20th Oct 20258212 PMAQI
20th Oct 2025731 PMAQI
20th Oct 2025672 PMAQI
20th Oct 2025643 PMAQI
20th Oct 2025634 PMAQI
20th Oct 2025625 PMAQI
20th Oct 2025666 PMAQI
20th Oct 2025667 PMAQI
20th Oct 2025658 PMAQI
20th Oct 2025629 PMAQI
20th Oct 20255610 PMAQI
20th Oct 20255811 PMAQI
21st Oct 20255912 AMAQI
21st Oct 2025621 AMAQI
21st Oct 2025672 AMAQI
21st Oct 2025673 AMAQI
21st Oct 2025684 AMAQI
21st Oct 2025685 AMAQI
21st Oct 2025666 AMAQI
7°C2/13°C
21st Oct 2025667 AMAQI
21st Oct 2025708 AMAQI
21st Oct 2025739 AMAQI
21st Oct 20257210 AMAQI
21st Oct 20257511 AMAQI
21st Oct 20257812 PMAQI
21st Oct 2025721 PMAQI
21st Oct 2025822 PMAQI
21st Oct 2025873 PMAQI
21st Oct 2025854 PMAQI
21st Oct 2025825 PMAQI
21st Oct 2025636 PMAQI
21st Oct 2025587 PMAQI
21st Oct 2025558 PMAQI
21st Oct 2025649 PMAQI
21st Oct 20256310 PMAQI
21st Oct 20256511 PMAQI
22nd Oct 20257412 AMAQI
22nd Oct 2025801 AMAQI
22nd Oct 2025752 AMAQI
22nd Oct 2025713 AMAQI
22nd Oct 2025774 AMAQI
22nd Oct 2025775 AMAQI
22nd Oct 2025816 AMAQI
8°C4/13°C
22nd Oct 2025827 AMAQI
22nd Oct 2025768 AMAQI
22nd Oct 2025789 AMAQI
22nd Oct 20257410 AMAQI
22nd Oct 20256811 AMAQI
22nd Oct 20256312 PMAQI
22nd Oct 2025581 PMAQI
22nd Oct 2025572 PMAQI
22nd Oct 2025563 PMAQI
22nd Oct 2025534 PMAQI
22nd Oct 2025475 PMAQI
22nd Oct 2025476 PMAQI
22nd Oct 2025447 PMAQI
22nd Oct 2025498 PMAQI
22nd Oct 2025589 PMAQI
22nd Oct 20255610 PMAQI
22nd Oct 20256211 PMAQI
23rd Oct 20256712 AMAQI
23rd Oct 2025681 AMAQI
23rd Oct 2025672 AMAQI
23rd Oct 2025683 AMAQI
23rd Oct 2025694 AMAQI
23rd Oct 2025655 AMAQI
23rd Oct 2025676 AMAQI
13°C8/17°C
23rd Oct 2025687 AMAQI
23rd Oct 2025668 AMAQI
23rd Oct 2025669 AMAQI
23rd Oct 20256610 AMAQI
23rd Oct 20256311 AMAQI
23rd Oct 20256012 PMAQI
23rd Oct 2025591 PMAQI
23rd Oct 2025562 PMAQI
23rd Oct 2025503 PMAQI
23rd Oct 2025454 PMAQI
23rd Oct 2025295 PMAQI
23rd Oct 2025256 PMAQI
23rd Oct 2025257 PMAQI
23rd Oct 2025258 PMAQI
23rd Oct 2025229 PMAQI
23rd Oct 20252310 PMAQI
23rd Oct 20252211 PMAQI
24th Oct 20252312 AMAQI
24th Oct 2025201 AMAQI
24th Oct 2025212 AMAQI
24th Oct 2025193 AMAQI
24th Oct 2025204 AMAQI
24th Oct 2025335 AMAQI
24th Oct 2025416 AMAQI
14°C10/19°C
24th Oct 2025347 AMAQI
24th Oct 2025308 AMAQI
24th Oct 2025269 AMAQI
24th Oct 20252810 AMAQI
24th Oct 20252311 AMAQI
24th Oct 20252212 PMAQI
24th Oct 2025241 PMAQI
24th Oct 2025262 PMAQI
24th Oct 2025303 PMAQI
24th Oct 2025294 PMAQI
24th Oct 2025225 PMAQI
24th Oct 2025406 PMAQI
24th Oct 2025507 PMAQI
24th Oct 2025468 PMAQI
24th Oct 2025449 PMAQI
24th Oct 20254010 PMAQI
24th Oct 20252611 PMAQI
25th Oct 20252512 AMAQI
25th Oct 2025241 AMAQI
25th Oct 2025292 AMAQI
25th Oct 2025243 AMAQI
25th Oct 2025334 AMAQI
25th Oct 2025325 AMAQI
25th Oct 2025356 AMAQI
9°C6/11°C
25th Oct 2025407 AMAQI
25th Oct 2025338 AMAQI
25th Oct 2025309 AMAQI
25th Oct 20252910 AMAQI
25th Oct 20252511 AMAQI
25th Oct 20252112 PMAQI
25th Oct 2025211 PMAQI
25th Oct 2025212 PMAQI
25th Oct 2025213 PMAQI
25th Oct 2025234 PMAQI
25th Oct 2025215 PMAQI
25th Oct 2025216 PMAQI
25th Oct 2025247 PMAQI
25th Oct 2025278 PMAQI
25th Oct 2025239 PMAQI
25th Oct 20252410 PMAQI
25th Oct 20252011 PMAQI
26th Oct 20252112 AMAQI
26th Oct 2025191 AMAQI
26th Oct 2025372 AMAQI
26th Oct 2025373 AMAQI
26th Oct 2025294 AMAQI
26th Oct 2025265 AMAQI
26th Oct 2025266 AMAQI
7°C4/10°C
26th Oct 2025237 AMAQI
26th Oct 2025258 AMAQI
26th Oct 2025259 AMAQI
26th Oct 20252410 AMAQI
26th Oct 20252311 AMAQI
26th Oct 20252312 PMAQI
26th Oct 2025251 PMAQI
26th Oct 2025182 PMAQI
26th Oct 2025173 PMAQI
26th Oct 2025224 PMAQI
26th Oct 2025245 PMAQI
26th Oct 2025266 PMAQI
26th Oct 2025347 PMAQI
26th Oct 2025308 PMAQI
26th Oct 2025249 PMAQI
26th Oct 20252110 PMAQI
26th Oct 20253011 PMAQI
27th Oct 20253612 AMAQI
27th Oct 2025391 AMAQI
27th Oct 2025392 AMAQI
27th Oct 2025323 AMAQI
27th Oct 2025234 AMAQI
27th Oct 2025225 AMAQI
27th Oct 2025236 AMAQI
9°C7/11°C
27th Oct 2025187 AMAQI
27th Oct 2025198 AMAQI
27th Oct 2025269 AMAQI
27th Oct 20253810 AMAQI
27th Oct 20253311 AMAQI
27th Oct 20252412 PMAQI
27th Oct 2025261 PMAQI
27th Oct 2025232 PMAQI
27th Oct 2025213 PMAQI
27th Oct 2025194 PMAQI
27th Oct 2025185 PMAQI
27th Oct 2025236 PMAQI
27th Oct 2025337 PMAQI
27th Oct 2025368 PMAQI
27th Oct 2025329 PMAQI
27th Oct 20253010 PMAQI
27th Oct 20252411 PMAQI
28th Oct 20252512 AMAQI
28th Oct 2025241 AMAQI
28th Oct 2025202 AMAQI
28th Oct 2025203 AMAQI
28th Oct 2025184 AMAQI
28th Oct 2025185 AMAQI
28th Oct 2025196 AMAQI
7°C5/8°C
28th Oct 2025197 AMAQI
28th Oct 2025218 AMAQI
28th Oct 2025279 AMAQI
28th Oct 20253510 AMAQI
28th Oct 20254211 AMAQI
28th Oct 20253912 PMAQI
28th Oct 2025291 PMAQI
28th Oct 2025312 PMAQI
28th Oct 2025293 PMAQI
28th Oct 2025284 PMAQI
28th Oct 2025235 PMAQI
28th Oct 2025236 PMAQI
28th Oct 2025237 PMAQI
28th Oct 2025218 PMAQI
28th Oct 2025219 PMAQI
28th Oct 20252010 PMAQI
28th Oct 20251811 PMAQI
29th Oct 20251812 AMAQI
29th Oct 2025201 AMAQI
29th Oct 2025212 AMAQI
29th Oct 2025193 AMAQI
29th Oct 2025164 AMAQI
29th Oct 2025175 AMAQI
29th Oct 2025236 AMAQI
8°C6/10°C
29th Oct 2025247 AMAQI
29th Oct 2025208 AMAQI
29th Oct 2025429 AMAQI
29th Oct 20253710 AMAQI
29th Oct 20253311 AMAQI
29th Oct 20253212 PMAQI
29th Oct 2025301 PMAQI
29th Oct 2025462 PMAQI
29th Oct 2025443 PMAQI
29th Oct 2025404 PMAQI
29th Oct 2025365 PMAQI
29th Oct 2025306 PMAQI
29th Oct 2025297 PMAQI
29th Oct 2025308 PMAQI
29th Oct 2025489 PMAQI
29th Oct 20255210 PMAQI
29th Oct 20255211 PMAQI
30th Oct 20255212 AMAQI
30th Oct 2025651 AMAQI
30th Oct 2025662 AMAQI
30th Oct 2025693 AMAQI
30th Oct 2025734 AMAQI
30th Oct 2025675 AMAQI
30th Oct 2025716 AMAQI
10°C8/14°C
30th Oct 2025727 AMAQI
30th Oct 2025648 AMAQI
30th Oct 2025609 AMAQI
30th Oct 20254310 AMAQI
30th Oct 20253411 AMAQI
30th Oct 20252812 PMAQI
30th Oct 2025271 PMAQI
30th Oct 2025372 PMAQI
30th Oct 2025363 PMAQI
30th Oct 2025334 PMAQI
30th Oct 2025265 PMAQI
30th Oct 2025236 PMAQI
30th Oct 2025277 PMAQI
30th Oct 2025388 PMAQI
30th Oct 2025479 PMAQI
30th Oct 20255810 PMAQI
30th Oct 20256511 PMAQI
31st Oct 20256412 AMAQI
31st Oct 2025561 AMAQI
31st Oct 2025542 AMAQI
31st Oct 2025543 AMAQI
31st Oct 2025554 AMAQI
31st Oct 2025535 AMAQI
31st Oct 2025526 AMAQI
11°C9/14°C
31st Oct 2025557 AMAQI
31st Oct 2025608 AMAQI
31st Oct 2025609 AMAQI
31st Oct 20256010 AMAQI
31st Oct 20256011 AMAQI
31st Oct 20255912 PMAQI
31st Oct 2025591 PMAQI
31st Oct 2025572 PMAQI
31st Oct 2025483 PMAQI
31st Oct 2025404 PMAQI
31st Oct 2025325 PMAQI
31st Oct 2025286 PMAQI
31st Oct 2025367 PMAQI
31st Oct 2025398 PMAQI
31st Oct 2025519 PMAQI
31st Oct 20255710 PMAQI
31st Oct 20257411 PMAQI
1st Nov 20257912 AMAQI
1st Nov 2025901 AMAQI
1st Nov 2025932 AMAQI
1st Nov 20251003 AMAQI
1st Nov 20251034 AMAQI
1st Nov 20251025 AMAQI
1st Nov 2025996 AMAQI
11°C7/16°C
1st Nov 2025977 AMAQI
1st Nov 2025968 AMAQI
1st Nov 2025959 AMAQI
1st Nov 20259510 AMAQI
1st Nov 20258811 AMAQI
1st Nov 20258012 PMAQI
1st Nov 2025751 PMAQI
1st Nov 2025652 PMAQI
1st Nov 2025653 PMAQI
1st Nov 2025594 PMAQI
1st Nov 2025535 PMAQI
1st Nov 2025486 PMAQI
1st Nov 2025497 PMAQI
1st Nov 2025528 PMAQI
1st Nov 2025559 PMAQI
1st Nov 20255910 PMAQI
1st Nov 20257011 PMAQI
2nd Nov 20257012 AMAQI
2nd Nov 2025681 AMAQI
2nd Nov 2025702 AMAQI
2nd Nov 2025633 AMAQI
2nd Nov 2025654 AMAQI
2nd Nov 2025655 AMAQI
2nd Nov 2025596 AMAQI
13°C9/18°C
2nd Nov 2025557 AMAQI
2nd Nov 2025558 AMAQI
2nd Nov 2025569 AMAQI
2nd Nov 20255510 AMAQI
2nd Nov 20256111 AMAQI
2nd Nov 20256612 PMAQI
2nd Nov 2025621 PMAQI
2nd Nov 2025602 PMAQI
2nd Nov 2025543 PMAQI
2nd Nov 2025434 PMAQI
2nd Nov 2025415 PMAQI
2nd Nov 2025496 PMAQI
2nd Nov 2025527 PMAQI
2nd Nov 2025588 PMAQI
2nd Nov 2025659 PMAQI
2nd Nov 20257310 PMAQI
2nd Nov 20257911 PMAQI
3rd Nov 20258412 AMAQI
3rd Nov 2025851 AMAQI
3rd Nov 2025772 AMAQI
3rd Nov 2025703 AMAQI
3rd Nov 2025614 AMAQI
3rd Nov 2025585 AMAQI
3rd Nov 2025596 AMAQI
14°C11/18°C
3rd Nov 2025487 AMAQI
3rd Nov 2025258 AMAQI
3rd Nov 2025199 AMAQI
3rd Nov 20251710 AMAQI
3rd Nov 20251811 AMAQI
3rd Nov 20252112 PMAQI
3rd Nov 2025251 PMAQI
3rd Nov 2025242 PMAQI
3rd Nov 2025243 PMAQI
3rd Nov 2025234 PMAQI
3rd Nov 2025225 PMAQI
3rd Nov 2025306 PMAQI
3rd Nov 2025417 PMAQI
3rd Nov 2025418 PMAQI
3rd Nov 2025459 PMAQI
3rd Nov 20255410 PMAQI
3rd Nov 20255011 PMAQI
4th Nov 20254912 AMAQI
4th Nov 2025471 AMAQI
4th Nov 2025462 AMAQI
4th Nov 2025473 AMAQI
4th Nov 2025524 AMAQI
4th Nov 2025525 AMAQI
4th Nov 2025546 AMAQI
9°C7/11°C
4th Nov 2025527 AMAQI
4th Nov 2025478 AMAQI
4th Nov 2025529 AMAQI
4th Nov 20254910 AMAQI
4th Nov 20254511 AMAQI
4th Nov 20254012 PMAQI
4th Nov 2025471 PMAQI
4th Nov 2025462 PMAQI
4th Nov 2025443 PMAQI
4th Nov 2025314 PMAQI
4th Nov 2025285 PMAQI
4th Nov 2025296 PMAQI
4th Nov 2025337 PMAQI
4th Nov 2025408 PMAQI
4th Nov 2025499 PMAQI
4th Nov 20255410 PMAQI
4th Nov 20255711 PMAQI
5th Nov 20256812 AMAQI
5th Nov 2025731 AMAQI
5th Nov 2025742 AMAQI
5th Nov 2025753 AMAQI
5th Nov 2025784 AMAQI
5th Nov 2025875 AMAQI
5th Nov 2025846 AMAQI
7°C5/12°C
5th Nov 2025757 AMAQI
7 AM5th Nov 2025758 AMAQI
5th Nov 2025719 AMAQI
5th Nov 20256910 AMAQI
5th Nov 20256411 AMAQI
5th Nov 20256112 PMAQI
12 PM5th Nov 2025521 PMAQI
5th Nov 2025482 PMAQI
5th Nov 2025403 PMAQI
5th Nov 2025324 PMAQI
5th Nov 2025345 PMAQI
5 PM5th Nov 2025356 PMAQI
5th Nov 2025407 PMAQI
5th Nov 2025468 PMAQI
5th Nov 2025549 PMAQI
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM
57AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM
44AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 7 AM (Avg. 57), while the lowest AQI was between 5 PM to 5 PM (Avg. 44).
Night time
Avg. Highest Time
1 AM - 2 AM
62AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM
43AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 1 AM to 2 AM (Avg. 62), while the lowest AQI was between 6 PM to 6 PM (Avg. 43).
2025 Days Vs Air Quality
Ostrava, Moravskoslezsky Kraj, Czechia
2025
60%
186
32%
98
7%
21
0.9%
3
Total number of days with different AQI categories in last 309 days in 2025 (56 days remaining)
Good
186 DaysModerate
98 DaysPoor
21 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 60%
Health Risk Level:
Moderate
In 2025, 60% of 309 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, 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
76AQI
76AQI
2nd January 2025
64AQI
64AQI
3rd January 2025
47AQI
47AQI
4th January 2025
38AQI
38AQI
5th January 2025
117AQI
117AQI
6th January 2025
53AQI
53AQI
7th January 2025
56AQI
56AQI
8th January 2025
34AQI
34AQI
9th January 2025
37AQI
37AQI
10th January 2025
25AQI
25AQI
11th January 2025
24AQI
24AQI
12th January 2025
23AQI
23AQI
13th January 2025
44AQI
44AQI
14th January 2025
66AQI
66AQI
15th January 2025
71AQI
71AQI
16th January 2025
63AQI
63AQI
17th January 2025
55AQI
55AQI
18th January 2025
76AQI
76AQI
19th January 2025
73AQI
73AQI
20th January 2025
61AQI
61AQI
21st January 2025
67AQI
67AQI
22nd January 2025
83AQI
83AQI
23rd January 2025
69AQI
69AQI
24th January 2025
71AQI
71AQI
25th January 2025
58AQI
58AQI
26th January 2025
70AQI
70AQI
27th January 2025
59AQI
59AQI
28th January 2025
58AQI
58AQI
29th January 2025
32AQI
32AQI
30th January 2025
65AQI
65AQI
31st January 2025
72AQI
72AQI
1st February 2025
63AQI
63AQI
2nd February 2025
89AQI
89AQI
3rd February 2025
105AQI
105AQI
4th February 2025
118AQI
118AQI
5th February 2025
95AQI
95AQI
6th February 2025
82AQI
82AQI
7th February 2025
120AQI
120AQI
8th February 2025
117AQI
117AQI
9th February 2025
155AQI
155AQI
10th February 2025
154AQI
154AQI
11th February 2025
154AQI
154AQI
12th February 2025
140AQI
140AQI
13th February 2025
90AQI
90AQI
14th February 2025
105AQI
105AQI
15th February 2025
93AQI
93AQI
16th February 2025
109AQI
109AQI
17th February 2025
140AQI
140AQI
18th February 2025
121AQI
121AQI
19th February 2025
125AQI
125AQI
20th February 2025
121AQI
121AQI
21st February 2025
106AQI
106AQI
22nd February 2025
80AQI
80AQI
23rd February 2025
93AQI
93AQI
24th February 2025
123AQI
123AQI
25th February 2025
111AQI
111AQI
26th February 2025
131AQI
131AQI
27th February 2025
111AQI
111AQI
28th February 2025
79AQI
79AQI
1st March 2025
72AQI
72AQI
2nd March 2025
58AQI
58AQI
3rd March 2025
77AQI
77AQI
4th March 2025
99AQI
99AQI
5th March 2025
82AQI
82AQI
6th March 2025
86AQI
86AQI
7th March 2025
85AQI
85AQI
8th March 2025
107AQI
107AQI
9th March 2025
120AQI
120AQI
10th March 2025
99AQI
99AQI
11th March 2025
57AQI
57AQI
12th March 2025
53AQI
53AQI
13th March 2025
44AQI
44AQI
14th March 2025
60AQI
60AQI
15th March 2025
60AQI
60AQI
16th March 2025
75AQI
75AQI
17th March 2025
68AQI
68AQI
18th March 2025
56AQI
56AQI
19th March 2025
68AQI
68AQI
20th March 2025
73AQI
73AQI
21st March 2025
82AQI
82AQI
22nd March 2025
105AQI
105AQI
23rd March 2025
51AQI
51AQI
24th March 2025
66AQI
66AQI
25th March 2025
88AQI
88AQI
26th March 2025
108AQI
108AQI
27th March 2025
67AQI
67AQI
28th March 2025
77AQI
77AQI
29th March 2025
99AQI
99AQI
30th March 2025
83AQI
83AQI
31st March 2025
36AQI
36AQI
1st April 2025
70AQI
70AQI
2nd April 2025
74AQI
74AQI
3rd April 2025
57AQI
57AQI
4th April 2025
66AQI
66AQI
5th April 2025
54AQI
54AQI
6th April 2025
36AQI
36AQI
7th April 2025
29AQI
29AQI
8th April 2025
39AQI
39AQI
9th April 2025
44AQI
44AQI
10th April 2025
28AQI
28AQI
11th April 2025
51AQI
51AQI
12th April 2025
54AQI
54AQI
13th April 2025
58AQI
58AQI
14th April 2025
47AQI
47AQI
15th April 2025
35AQI
35AQI
16th April 2025
34AQI
34AQI
17th April 2025
45AQI
45AQI
18th April 2025
26AQI
26AQI
19th April 2025
20AQI
20AQI
20th April 2025
26AQI
26AQI
21st April 2025
36AQI
36AQI
22nd April 2025
44AQI
44AQI
23rd April 2025
39AQI
39AQI
24th April 2025
62AQI
62AQI
25th April 2025
54AQI
54AQI
26th April 2025
41AQI
41AQI
27th April 2025
36AQI
36AQI
28th April 2025
38AQI
38AQI
29th April 2025
40AQI
40AQI
30th April 2025
41AQI
41AQI
1st May 2025
42AQI
42AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
42AQI
42AQI
4th May 2025
35AQI
35AQI
5th May 2025
29AQI
29AQI
6th May 2025
36AQI
36AQI
7th May 2025
42AQI
42AQI
8th May 2025
27AQI
27AQI
9th May 2025
35AQI
35AQI
10th May 2025
35AQI
35AQI
11th May 2025
36AQI
36AQI
12th May 2025
41AQI
41AQI
13th May 2025
49AQI
49AQI
14th May 2025
41AQI
41AQI
15th May 2025
29AQI
29AQI
16th May 2025
20AQI
20AQI
17th May 2025
20AQI
20AQI
18th May 2025
16AQI
16AQI
19th May 2025
17AQI
17AQI
20th May 2025
25AQI
25AQI
21st May 2025
33AQI
33AQI
22nd May 2025
36AQI
36AQI
23rd May 2025
22AQI
22AQI
24th May 2025
27AQI
27AQI
25th May 2025
29AQI
29AQI
26th May 2025
26AQI
26AQI
27th May 2025
28AQI
28AQI
28th May 2025
29AQI
29AQI
29th May 2025
20AQI
20AQI
30th May 2025
25AQI
25AQI
31st May 2025
32AQI
32AQI
1st June 2025
32AQI
32AQI
2nd June 2025
34AQI
34AQI
3rd June 2025
34AQI
34AQI
4th June 2025
38AQI
38AQI
5th June 2025
32AQI
32AQI
6th June 2025
25AQI
25AQI
7th June 2025
21AQI
21AQI
8th June 2025
23AQI
23AQI
9th June 2025
22AQI
22AQI
10th June 2025
33AQI
33AQI
11th June 2025
40AQI
40AQI
12th June 2025
41AQI
41AQI
13th June 2025
34AQI
34AQI
14th June 2025
40AQI
40AQI
15th June 2025
48AQI
48AQI
16th June 2025
47AQI
47AQI
17th June 2025
40AQI
40AQI
18th June 2025
45AQI
45AQI
19th June 2025
51AQI
51AQI
20th June 2025
37AQI
37AQI
21st June 2025
32AQI
32AQI
22nd June 2025
27AQI
27AQI
23rd June 2025
39AQI
39AQI
24th June 2025
35AQI
35AQI
25th June 2025
33AQI
33AQI
26th June 2025
32AQI
32AQI
27th June 2025
31AQI
31AQI
28th June 2025
27AQI
27AQI
29th June 2025
29AQI
29AQI
30th June 2025
27AQI
27AQI
1st July 2025
28AQI
28AQI
2nd July 2025
31AQI
31AQI
3rd July 2025
44AQI
44AQI
4th July 2025
38AQI
38AQI
5th July 2025
36AQI
36AQI
6th July 2025
37AQI
37AQI
7th July 2025
36AQI
36AQI
8th July 2025
35AQI
35AQI
9th July 2025
27AQI
27AQI
10th July 2025
23AQI
23AQI
11th July 2025
22AQI
22AQI
12th July 2025
24AQI
24AQI
13th July 2025
30AQI
30AQI
14th July 2025
31AQI
31AQI
15th July 2025
37AQI
37AQI
16th July 2025
35AQI
35AQI
17th July 2025
28AQI
28AQI
18th July 2025
29AQI
29AQI
19th July 2025
34AQI
34AQI
20th July 2025
39AQI
39AQI
21st July 2025
47AQI
47AQI
22nd July 2025
27AQI
27AQI
23rd July 2025
19AQI
19AQI
24th July 2025
25AQI
25AQI
25th July 2025
34AQI
34AQI
26th July 2025
52AQI
52AQI
27th July 2025
46AQI
46AQI
28th July 2025
33AQI
33AQI
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
26AQI
26AQI
4th August 2025
29AQI
29AQI
5th August 2025
33AQI
33AQI
6th August 2025
25AQI
25AQI
7th August 2025
27AQI
27AQI
8th August 2025
34AQI
34AQI
9th August 2025
49AQI
49AQI
10th August 2025
57AQI
57AQI
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
63AQI
63AQI
17th August 2025
52AQI
52AQI
18th August 2025
31AQI
31AQI
19th August 2025
29AQI
29AQI
20th August 2025
37AQI
37AQI
21st August 2025
47AQI
47AQI
22nd August 2025
41AQI
41AQI
23rd August 2025
26AQI
26AQI
24th August 2025
17AQI
17AQI
25th August 2025
19AQI
19AQI
26th August 2025
28AQI
28AQI
27th August 2025
40AQI
40AQI
28th August 2025
50AQI
50AQI
29th August 2025
49AQI
49AQI
30th August 2025
33AQI
33AQI
31st August 2025
31AQI
31AQI
1st September 2025
42AQI
42AQI
2nd September 2025
45AQI
45AQI
3rd September 2025
41AQI
41AQI
4th September 2025
39AQI
39AQI
5th September 2025
51AQI
51AQI
6th September 2025
29AQI
29AQI
7th September 2025
26AQI
26AQI
8th September 2025
38AQI
38AQI
9th September 2025
44AQI
44AQI
10th September 2025
49AQI
49AQI
11th September 2025
39AQI
39AQI
12th September 2025
36AQI
36AQI
13th September 2025
35AQI
35AQI
14th September 2025
36AQI
36AQI
15th September 2025
20AQI
20AQI
16th September 2025
20AQI
20AQI
17th September 2025
19AQI
19AQI
18th September 2025
24AQI
24AQI
19th September 2025
26AQI
26AQI
20th September 2025
33AQI
33AQI
21st September 2025
32AQI
32AQI
22nd September 2025
37AQI
37AQI
23rd September 2025
28AQI
28AQI
24th September 2025
24AQI
24AQI
25th September 2025
37AQI
37AQI
26th September 2025
34AQI
34AQI
27th September 2025
49AQI
49AQI
28th September 2025
66AQI
66AQI
29th September 2025
53AQI
53AQI
30th September 2025
51AQI
51AQI
1st October 2025
63AQI
63AQI
2nd October 2025
76AQI
76AQI
3rd October 2025
84AQI
84AQI
4th October 2025
95AQI
95AQI
5th October 2025
48AQI
48AQI
6th October 2025
45AQI
45AQI
7th October 2025
47AQI
47AQI
8th October 2025
66AQI
66AQI
9th October 2025
68AQI
68AQI
10th October 2025
47AQI
47AQI
11th October 2025
46AQI
46AQI
12th October 2025
53AQI
53AQI
13th October 2025
56AQI
56AQI
14th October 2025
73AQI
73AQI
15th October 2025
82AQI
82AQI
16th October 2025
85AQI
85AQI
17th October 2025
58AQI
58AQI
18th October 2025
52AQI
52AQI
19th October 2025
62AQI
62AQI
20th October 2025
86AQI
86AQI
21st October 2025
67AQI
67AQI
22nd October 2025
65AQI
65AQI
23rd October 2025
53AQI
53AQI
24th October 2025
30AQI
30AQI
25th October 2025
26AQI
26AQI
26th October 2025
25AQI
25AQI
27th October 2025
30AQI
30AQI
28th October 2025
24AQI
24AQI
29th October 2025
29AQI
29AQI
30th October 2025
50AQI
50AQI
31st October 2025
55AQI
55AQI
1st November 2025
76AQI
76AQI
2nd November 2025
62AQI
62AQI
3rd November 2025
51AQI
51AQI
4th November 2025
46AQI
46AQI
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
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
58AQI
112AQI
76AQI
44AQI
31AQI
34AQI
33AQI
38AQI
37AQI
56AQI
59AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202552AQI
9
21
1
9
16
3
2
25
4
20
10
31
29
1
30
1
26
5
26
4
12
19
1
3
186
98
21
3
Highest AQI recorded in
February112AQI
Lowest AQI recorded in
May31AQI
202456AQI
12
14
3
2
18
9
2
10
18
3
18
11
1
28
3
20
10
22
9
18
13
13
17
12
18
1
10
16
4
9
15
4
3
190
153
18
5
Highest AQI recorded in
December78AQI
Lowest AQI recorded in
July43AQI
202355AQI
11
17
3
11
12
4
1
15
13
3
12
18
12
19
20
10
24
7
19
12
15
15
21
9
1
23
5
1
11
13
4
3
194
150
16
4
Highest AQI recorded in
February69AQI
Lowest AQI recorded in
July44AQI
202266AQI
14
12
5
11
9
1
11
20
10
20
10
21
12
18
15
9
2
18
10
11
18
2
3
18
9
5
17
5
4
111
163
42
4
Highest AQI recorded in
March105AQI
Lowest AQI recorded in
August36AQI
202159AQI
1
1
1
6
20
5
13
16
1
25
6
6
24
14
17
25
6
14
16
8
21
2
11
13
6
11
10
7
3
134
150
22
3
Highest AQI recorded in
December82AQI
Lowest AQI recorded in
August39AQI
202056AQI
1
7
5
2
9
11
7
17
13
22
9
16
15
14
16
16
13
4
22
4
1
1
103
112
9
1
Highest AQI recorded in
December122AQI
Lowest AQI recorded in
July45AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
66AQILeast Polluted Year Recorded
2025(Avg.)
52AQIOstrava's annual 2025 AQI (52) shows an average percentage change of -11.6% (improved AQI) compared to previous years: 2020 (56), 2021 (59), 2022 (66), 2023 (55), 2024 (56).
