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+
August 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
30th Aug 2024
73AQILowest AQI recorded on
6th Aug 2023
21AQISame Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
AQI
Day
Night
.
5 AM2nd Aug 2025
8 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
6PM2nd Aug
27AQI
Avg. Lowest Time
12PM2nd Aug
18AQI
Night time
Avg. Highest Time
4AM3rd Aug
38AQI
Avg. Lowest Time
12AM3rd Aug
24AQI
In the last 24 hours,
Ostrava Ceskobratrsk's AQI reached its highest point of 38 at 4 AM during the Night, while the lowest point, 18, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
JulAug
04th - 05th05th - 06th06th - 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
Day
Night
4th Jul 2025345 AMAQI
4th Jul 2025326 AMAQI
4th Jul 2025327 AMAQI
4th Jul 2025358 AMAQI
4th Jul 2025399 AMAQI
4th Jul 20253910 AMAQI
4th Jul 20253411 AMAQI
4th Jul 20253212 PMAQI
4th Jul 2025321 PMAQI
4th Jul 2025362 PMAQI
4th Jul 2025353 PMAQI
4th Jul 2025384 PMAQI
4th Jul 2025365 PMAQI
4th Jul 2025396 PMAQI
4th Jul 2025377 PMAQI
4th Jul 2025378 PMAQI
4th Jul 2025369 PMAQI
4th Jul 20253610 PMAQI
4th Jul 20253711 PMAQI
5th Jul 20253612 AMAQI
5th Jul 2025361 AMAQI
5th Jul 2025332 AMAQI
5th Jul 2025323 AMAQI
5th Jul 2025374 AMAQI
17°C14/23°C
5th Jul 2025385 AMAQI
5th Jul 2025366 AMAQI
5th Jul 2025367 AMAQI
5th Jul 2025368 AMAQI
5th Jul 2025379 AMAQI
5th Jul 20253410 AMAQI
5th Jul 20253211 AMAQI
5th Jul 20252612 PMAQI
5th Jul 2025291 PMAQI
5th Jul 2025342 PMAQI
5th Jul 2025323 PMAQI
5th Jul 2025324 PMAQI
5th Jul 2025335 PMAQI
5th Jul 2025336 PMAQI
5th Jul 2025347 PMAQI
5th Jul 2025338 PMAQI
5th Jul 2025349 PMAQI
5th Jul 20253410 PMAQI
5th Jul 20253411 PMAQI
6th Jul 20253512 AMAQI
6th Jul 2025341 AMAQI
6th Jul 2025342 AMAQI
6th Jul 2025363 AMAQI
6th Jul 2025344 AMAQI
19°C12/26°C
6th Jul 2025375 AMAQI
6th Jul 2025386 AMAQI
6th Jul 2025407 AMAQI
6th Jul 2025378 AMAQI
6th Jul 2025369 AMAQI
6th Jul 20253810 AMAQI
6th Jul 20253411 AMAQI
6th Jul 20253612 PMAQI
6th Jul 2025351 PMAQI
6th Jul 2025342 PMAQI
6th Jul 2025343 PMAQI
6th Jul 2025354 PMAQI
6th Jul 2025345 PMAQI
6th Jul 2025356 PMAQI
6th Jul 2025357 PMAQI
6th Jul 2025368 PMAQI
6th Jul 2025359 PMAQI
6th Jul 20253510 PMAQI
6th Jul 20253511 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025361 AMAQI
7th Jul 2025342 AMAQI
7th Jul 2025343 AMAQI
7th Jul 2025304 AMAQI
23°C16/30°C
7th Jul 2025325 AMAQI
7th Jul 2025346 AMAQI
7th Jul 2025367 AMAQI
7th Jul 2025438 AMAQI
7th Jul 2025519 AMAQI
7th Jul 20254610 AMAQI
7th Jul 20254211 AMAQI
7th Jul 20254412 PMAQI
7th Jul 2025421 PMAQI
7th Jul 2025352 PMAQI
7th Jul 2025413 PMAQI
7th Jul 2025364 PMAQI
7th Jul 2025375 PMAQI
7th Jul 2025366 PMAQI
7th Jul 2025327 PMAQI
7th Jul 2025328 PMAQI
7th Jul 2025339 PMAQI
7th Jul 20253510 PMAQI
7th Jul 20253411 PMAQI
8th Jul 20253512 AMAQI
8th Jul 2025361 AMAQI
8th Jul 2025362 AMAQI
8th Jul 2025373 AMAQI
8th Jul 2025434 AMAQI
17°C14/18°C
8th Jul 2025415 AMAQI
8th Jul 2025476 AMAQI
8th Jul 2025527 AMAQI
8th Jul 2025418 AMAQI
8th Jul 2025379 AMAQI
8th Jul 20253410 AMAQI
8th Jul 20254111 AMAQI
8th Jul 20253512 PMAQI
8th Jul 2025371 PMAQI
8th Jul 2025392 PMAQI
8th Jul 2025343 PMAQI
8th Jul 2025334 PMAQI
8th Jul 2025315 PMAQI
8th Jul 2025306 PMAQI
8th Jul 2025327 PMAQI
8th Jul 2025288 PMAQI
8th Jul 2025319 PMAQI
8th Jul 20253610 PMAQI
8th Jul 20253511 PMAQI
9th Jul 20253712 AMAQI
9th Jul 2025381 AMAQI
9th Jul 2025262 AMAQI
9th Jul 2025223 AMAQI
9th Jul 2025244 AMAQI
15°C12/20°C
9th Jul 2025235 AMAQI
9th Jul 2025266 AMAQI
9th Jul 2025257 AMAQI
9th Jul 2025248 AMAQI
9th Jul 2025259 AMAQI
9th Jul 20252510 AMAQI
9th Jul 20252711 AMAQI
9th Jul 20252812 PMAQI
9th Jul 2025281 PMAQI
9th Jul 2025282 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025284 PMAQI
9th Jul 2025265 PMAQI
9th Jul 2025286 PMAQI
9th Jul 2025277 PMAQI
9th Jul 2025268 PMAQI
9th Jul 2025279 PMAQI
9th Jul 20252610 PMAQI
9th Jul 20252711 PMAQI
10th Jul 20252712 AMAQI
10th Jul 2025261 AMAQI
10th Jul 2025262 AMAQI
10th Jul 2025263 AMAQI
10th Jul 2025214 AMAQI
14°C12/17°C
10th Jul 2025215 AMAQI
10th Jul 2025226 AMAQI
10th Jul 2025247 AMAQI
10th Jul 2025278 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20252510 AMAQI
10th Jul 20252311 AMAQI
10th Jul 20252012 PMAQI
10th Jul 2025191 PMAQI
10th Jul 2025222 PMAQI
10th Jul 2025223 PMAQI
10th Jul 2025224 PMAQI
10th Jul 2025215 PMAQI
10th Jul 2025236 PMAQI
10th Jul 2025247 PMAQI
10th Jul 2025228 PMAQI
10th Jul 2025219 PMAQI
10th Jul 20252310 PMAQI
10th Jul 20252411 PMAQI
11th Jul 20252312 AMAQI
11th Jul 2025241 AMAQI
11th Jul 2025232 AMAQI
11th Jul 2025213 AMAQI
11th Jul 2025204 AMAQI
15°C12/21°C
11th Jul 2025215 AMAQI
11th Jul 2025226 AMAQI
11th Jul 2025277 AMAQI
11th Jul 2025288 AMAQI
11th Jul 2025309 AMAQI
11th Jul 20252510 AMAQI
11th Jul 20252411 AMAQI
11th Jul 20252312 PMAQI
11th Jul 2025201 PMAQI
11th Jul 2025212 PMAQI
11th Jul 2025203 PMAQI
11th Jul 2025184 PMAQI
11th Jul 2025205 PMAQI
11th Jul 2025216 PMAQI
11th Jul 2025217 PMAQI
11th Jul 2025208 PMAQI
11th Jul 2025219 PMAQI
11th Jul 20252310 PMAQI
11th Jul 20252311 PMAQI
12th Jul 20252312 AMAQI
12th Jul 2025231 AMAQI
12th Jul 2025212 AMAQI
12th Jul 2025223 AMAQI
12th Jul 2025274 AMAQI
15°C12/20°C
12th Jul 2025265 AMAQI
12th Jul 2025236 AMAQI
12th Jul 2025227 AMAQI
12th Jul 2025248 AMAQI
12th Jul 2025259 AMAQI
12th Jul 20252410 AMAQI
12th Jul 20252411 AMAQI
12th Jul 20252112 PMAQI
12th Jul 2025221 PMAQI
12th Jul 2025222 PMAQI
12th Jul 2025233 PMAQI
12th Jul 2025244 PMAQI
12th Jul 2025245 PMAQI
12th Jul 2025236 PMAQI
12th Jul 2025237 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025229 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252412 AMAQI
13th Jul 2025241 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025344 AMAQI
16°C12/20°C
13th Jul 2025305 AMAQI
13th Jul 2025326 AMAQI
13th Jul 2025307 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025369 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20253011 AMAQI
13th Jul 20252712 PMAQI
13th Jul 2025261 PMAQI
13th Jul 2025272 PMAQI
13th Jul 2025273 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025275 PMAQI
13th Jul 2025286 PMAQI
13th Jul 2025287 PMAQI
13th Jul 2025298 PMAQI
13th Jul 2025289 PMAQI
13th Jul 20253010 PMAQI
13th Jul 20253011 PMAQI
14th Jul 20252812 AMAQI
14th Jul 2025301 AMAQI
14th Jul 2025282 AMAQI
14th Jul 2025283 AMAQI
14th Jul 2025304 AMAQI
20°C14/27°C
14th Jul 2025325 AMAQI
14th Jul 2025326 AMAQI
14th Jul 2025337 AMAQI
14th Jul 2025378 AMAQI
14th Jul 2025399 AMAQI
14th Jul 20253810 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20253012 PMAQI
14th Jul 2025281 PMAQI
14th Jul 2025292 PMAQI
14th Jul 2025283 PMAQI
14th Jul 2025294 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025316 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025329 PMAQI
14th Jul 20253210 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20253212 AMAQI
15th Jul 2025321 AMAQI
15th Jul 2025352 AMAQI
15th Jul 2025383 AMAQI
15th Jul 2025404 AMAQI
21°C15/27°C
15th Jul 2025415 AMAQI
15th Jul 2025426 AMAQI
15th Jul 2025427 AMAQI
15th Jul 2025408 AMAQI
15th Jul 2025409 AMAQI
15th Jul 20253710 AMAQI
15th Jul 20253611 AMAQI
15th Jul 20253312 PMAQI
15th Jul 2025341 PMAQI
15th Jul 2025382 PMAQI
15th Jul 2025403 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025385 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025387 PMAQI
15th Jul 2025368 PMAQI
15th Jul 2025369 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253711 PMAQI
16th Jul 20253812 AMAQI
16th Jul 2025371 AMAQI
16th Jul 2025362 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025394 AMAQI
21°C16/27°C
16th Jul 2025425 AMAQI
16th Jul 2025426 AMAQI
16th Jul 2025527 AMAQI
16th Jul 2025508 AMAQI
16th Jul 2025479 AMAQI
16th Jul 20254310 AMAQI
16th Jul 20253711 AMAQI
16th Jul 20253412 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025332 PMAQI
16th Jul 2025343 PMAQI
16th Jul 2025344 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025346 PMAQI
16th Jul 2025357 PMAQI
16th Jul 2025338 PMAQI
16th Jul 2025359 PMAQI
16th Jul 20253810 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025381 AMAQI
17th Jul 2025302 AMAQI
17th Jul 2025263 AMAQI
17th Jul 2025244 AMAQI
18°C14/24°C
17th Jul 2025245 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025288 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252410 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20252412 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025289 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025343 AMAQI
18th Jul 2025324 AMAQI
16°C12/21°C
18th Jul 2025345 AMAQI
18th Jul 2025326 AMAQI
18th Jul 2025307 AMAQI
18th Jul 2025338 AMAQI
18th Jul 2025369 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252512 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025302 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025334 PMAQI
18th Jul 2025305 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025287 PMAQI
18th Jul 2025278 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025321 AMAQI
19th Jul 2025412 AMAQI
19th Jul 2025423 AMAQI
19th Jul 2025424 AMAQI
16°C13/21°C
19th Jul 2025395 AMAQI
19th Jul 2025436 AMAQI
19th Jul 2025427 AMAQI
19th Jul 2025438 AMAQI
19th Jul 2025429 AMAQI
19th Jul 20253810 AMAQI
19th Jul 20253211 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025251 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025283 PMAQI
19th Jul 2025284 PMAQI
19th Jul 2025295 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025297 PMAQI
19th Jul 2025308 PMAQI
19th Jul 2025329 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253612 AMAQI
20th Jul 2025361 AMAQI
20th Jul 2025422 AMAQI
20th Jul 2025503 AMAQI
20th Jul 2025504 AMAQI
19°C13/24°C
20th Jul 2025475 AMAQI
20th Jul 2025436 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025448 AMAQI
20th Jul 2025469 AMAQI
20th Jul 20254010 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253012 PMAQI
20th Jul 2025281 PMAQI
20th Jul 2025322 PMAQI
20th Jul 2025363 PMAQI
20th Jul 2025344 PMAQI
20th Jul 2025345 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025387 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253810 PMAQI
20th Jul 20254211 PMAQI
21st Jul 20254112 AMAQI
21st Jul 2025411 AMAQI
21st Jul 2025502 AMAQI
21st Jul 2025533 AMAQI
21st Jul 2025444 AMAQI
22°C15/28°C
21st Jul 2025515 AMAQI
21st Jul 2025526 AMAQI
21st Jul 2025537 AMAQI
21st Jul 2025548 AMAQI
21st Jul 2025539 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025381 PMAQI
21st Jul 2025402 PMAQI
21st Jul 2025403 PMAQI
21st Jul 2025394 PMAQI
21st Jul 2025395 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025457 PMAQI
21st Jul 2025478 PMAQI
21st Jul 2025499 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254911 PMAQI
22nd Jul 20255012 AMAQI
22nd Jul 2025501 AMAQI
22nd Jul 2025342 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025224 AMAQI
24°C17/31°C
22nd Jul 2025165 AMAQI
22nd Jul 2025186 AMAQI
22nd Jul 2025217 AMAQI
22nd Jul 2025208 AMAQI
22nd Jul 2025279 AMAQI
22nd Jul 20252310 AMAQI
22nd Jul 20252011 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025181 PMAQI
22nd Jul 2025242 PMAQI
22nd Jul 2025263 PMAQI
22nd Jul 2025274 PMAQI
22nd Jul 2025275 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025247 PMAQI
22nd Jul 2025238 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252610 PMAQI
22nd Jul 20252611 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025174 AMAQI
20°C15/25°C
23rd Jul 2025165 AMAQI
23rd Jul 2025166 AMAQI
23rd Jul 2025177 AMAQI
23rd Jul 2025188 AMAQI
23rd Jul 2025249 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20251611 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025151 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025193 PMAQI
23rd Jul 2025214 PMAQI
23rd Jul 2025205 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025167 PMAQI
23rd Jul 2025188 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20252010 PMAQI
23rd Jul 20252011 PMAQI
24th Jul 20252012 AMAQI
24th Jul 2025201 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025293 AMAQI
24th Jul 2025254 AMAQI
20°C14/26°C
24th Jul 2025265 AMAQI
24th Jul 2025226 AMAQI
24th Jul 2025237 AMAQI
24th Jul 2025348 AMAQI
24th Jul 2025319 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20252511 AMAQI
24th Jul 20252412 PMAQI
24th Jul 2025251 PMAQI
24th Jul 2025262 PMAQI
24th Jul 2025243 PMAQI
24th Jul 2025244 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025259 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20252611 PMAQI
25th Jul 20252612 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025434 AMAQI
21°C15/27°C
25th Jul 2025415 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025387 AMAQI
25th Jul 2025328 AMAQI
25th Jul 2025269 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20252811 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025301 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025434 PMAQI
25th Jul 2025435 PMAQI
25th Jul 2025426 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025388 PMAQI
25th Jul 2025369 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253411 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025522 AMAQI
26th Jul 2025603 AMAQI
26th Jul 2025624 AMAQI
20°C17/24°C
26th Jul 2025615 AMAQI
26th Jul 2025566 AMAQI
26th Jul 2025557 AMAQI
26th Jul 2025568 AMAQI
26th Jul 2025579 AMAQI
26th Jul 20255810 AMAQI
26th Jul 20256311 AMAQI
26th Jul 20256312 PMAQI
26th Jul 2025541 PMAQI
26th Jul 2025542 PMAQI
26th Jul 2025563 PMAQI
26th Jul 2025554 PMAQI
26th Jul 2025545 PMAQI
26th Jul 2025506 PMAQI
26th Jul 2025507 PMAQI
26th Jul 2025508 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20255410 PMAQI
26th Jul 20255311 PMAQI
27th Jul 20255412 AMAQI
27th Jul 2025541 AMAQI
27th Jul 2025462 AMAQI
27th Jul 2025393 AMAQI
27th Jul 2025464 AMAQI
19°C16/24°C
27th Jul 2025505 AMAQI
27th Jul 2025506 AMAQI
27th Jul 2025447 AMAQI
27th Jul 2025508 AMAQI
27th Jul 2025529 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255711 AMAQI
27th Jul 20255612 PMAQI
27th Jul 2025531 PMAQI
27th Jul 2025522 PMAQI
27th Jul 2025433 PMAQI
27th Jul 2025434 PMAQI
27th Jul 2025445 PMAQI
27th Jul 2025426 PMAQI
27th Jul 2025427 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025409 PMAQI
27th Jul 20254810 PMAQI
27th Jul 20254911 PMAQI
28th Jul 20254912 AMAQI
28th Jul 2025501 AMAQI
28th Jul 2025362 AMAQI
28th Jul 2025323 AMAQI
28th Jul 2025334 AMAQI
17°C16/18°C
28th Jul 2025255 AMAQI
28th Jul 2025256 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025318 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253210 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253312 PMAQI
28th Jul 2025351 PMAQI
28th Jul 2025362 PMAQI
28th Jul 2025363 PMAQI
28th Jul 2025384 PMAQI
28th Jul 2025365 PMAQI
28th Jul 2025366 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025329 PMAQI
28th Jul 20253410 PMAQI
28th Jul 20253411 PMAQI
29th Jul 20253212 AMAQI
29th Jul 2025331 AMAQI
29th Jul 2025302 AMAQI
29th Jul 2025283 AMAQI
29th Jul 2025264 AMAQI
17°C15/20°C
29th Jul 2025255 AMAQI
29th Jul 2025286 AMAQI
29th Jul 2025307 AMAQI
29th Jul 2025328 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20253210 AMAQI
29th Jul 20253011 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025271 PMAQI
29th Jul 2025282 PMAQI
29th Jul 2025283 PMAQI
29th Jul 2025284 PMAQI
29th Jul 2025285 PMAQI
29th Jul 2025286 PMAQI
29th Jul 2025287 PMAQI
29th Jul 2025288 PMAQI
29th Jul 2025299 PMAQI
29th Jul 20253010 PMAQI
29th Jul 20253011 PMAQI
30th Jul 20253012 AMAQI
30th Jul 2025301 AMAQI
30th Jul 2025302 AMAQI
30th Jul 2025313 AMAQI
30th Jul 2025274 AMAQI
17°C13/21°C
30th Jul 2025315 AMAQI
30th Jul 2025306 AMAQI
30th Jul 2025367 AMAQI
30th Jul 2025328 AMAQI
30th Jul 2025329 AMAQI
30th Jul 20252810 AMAQI
30th Jul 20252411 AMAQI
30th Jul 20252012 PMAQI
30th Jul 2025221 PMAQI
30th Jul 2025262 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025265 PMAQI
30th Jul 2025276 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025289 PMAQI
30th Jul 20252810 PMAQI
30th Jul 20252811 PMAQI
31st Jul 20252812 AMAQI
31st Jul 2025281 AMAQI
31st Jul 2025282 AMAQI
31st Jul 2025283 AMAQI
31st Jul 2025234 AMAQI
17°C12/23°C
31st Jul 2025225 AMAQI
31st Jul 2025226 AMAQI
31st Jul 2025217 AMAQI
31st Jul 2025238 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252410 AMAQI
31st Jul 20252511 AMAQI
31st Jul 20252412 PMAQI
31st Jul 2025251 PMAQI
31st Jul 2025242 PMAQI
31st Jul 2025263 PMAQI
31st Jul 2025294 PMAQI
31st Jul 2025295 PMAQI
31st Jul 2025286 PMAQI
31st Jul 2025287 PMAQI
31st Jul 2025278 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252810 PMAQI
31st Jul 20252811 PMAQI
1st Aug 20252812 AMAQI
1st Aug 2025281 AMAQI
1st Aug 2025272 AMAQI
1st Aug 2025253 AMAQI
1st Aug 2025244 AMAQI
17°C12/23°C
1st Aug 2025285 AMAQI
1st Aug 2025286 AMAQI
1st Aug 2025287 AMAQI
1st Aug 2025278 AMAQI
1st Aug 2025259 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252412 PMAQI
1st Aug 2025261 PMAQI
1st Aug 2025312 PMAQI
1st Aug 2025313 PMAQI
1st Aug 2025274 PMAQI
1st Aug 2025245 PMAQI
1st Aug 2025276 PMAQI
1st Aug 2025247 PMAQI
1st Aug 2025248 PMAQI
1st Aug 2025259 PMAQI
1st Aug 20252610 PMAQI
1st Aug 20252711 PMAQI
2nd Aug 20252612 AMAQI
2nd Aug 2025271 AMAQI
2nd Aug 2025262 AMAQI
2nd Aug 2025303 AMAQI
2nd Aug 2025234 AMAQI
18°C13/23°C
2nd Aug 2025245 AMAQI
2nd Aug 2025246 AMAQI
2nd Aug 2025247 AMAQI
2nd Aug 2025268 AMAQI
2nd Aug 2025239 AMAQI
2nd Aug 20252410 AMAQI
2nd Aug 20252311 AMAQI
2nd Aug 20251812 PMAQI
2nd Aug 2025221 PMAQI
2nd Aug 2025212 PMAQI
2nd Aug 2025233 PMAQI
2nd Aug 2025244 PMAQI
2nd Aug 2025245 PMAQI
2nd Aug 2025276 PMAQI
2nd Aug 2025267 PMAQI
2nd Aug 2025238 PMAQI
2nd Aug 2025309 PMAQI
2nd Aug 20252410 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025281 AMAQI
3rd Aug 2025362 AMAQI
3rd Aug 2025343 AMAQI
3rd Aug 2025384 AMAQI
20°C14/25°C
3rd Aug 2025345 AMAQI
5 AM3rd Aug 2025266 AMAQI
3rd Aug 2025257 AMAQI
3rd Aug 2025178 AMAQI
3rd Aug 2025219 AMAQI
12 PM
8 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 9 AM
33AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
12 PM - 1 PM
30AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 9 AM (Avg. 33), while the lowest AQI was between 12 PM to 1 PM (Avg. 30).
Night time
Avg. Highest Time
12 AM - 4 AM
33AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
9 PM - 11 PM
32AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 4 AM (Avg. 33), while the lowest AQI was between 9 PM to 11 PM (Avg. 32).
2025 Days Vs Air Quality
Ostrava Ceskobratrsk, Ostrava, Moravskoslezsky Kraj, Czechia
2025
61%
130
31%
67
7%
14
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
130 DaysModerate
67 DaysPoor
14 DaysUnhealthy
3 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 61%
Health Risk Level:
Moderate
In 2025, 61% of 215 days were within WHO’s safe air quality limits, and 39% 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.
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
55AQI
106AQI
71AQI
41AQI
27AQI
34AQI
32AQI
26AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202551AQI
11
20
12
13
3
4
26
1
22
8
31
30
30
1
2
130
67
14
3
Highest AQI recorded in
February106AQI
Lowest AQI recorded in
August26AQI
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
2023(Avg.)
51AQIOstrava Ceskobratrsk's annual 2025 AQI (51) shows an average percentage change of -8.6% (improved AQI) compared to previous years: 2020 (56), 2021 (61), 2022 (63), 2023 (51), 2024 (53).
