Chomutov, Ustecky 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
Chomutov, Ustecky Kraj, Czechia
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
15th Aug 2023
70AQILowest AQI recorded on
27th Aug 2021
17AQISame Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 23 of Good 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: 2nd Aug - 3rd Aug 2025
Chomutov, Ustecky Kraj, Czechia
AQI
Day
Night
.
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
Day time
Avg. Highest Time
9AM2nd Aug
32AQI
Avg. Lowest Time
7AM2nd Aug
20AQI
Night time
Avg. Highest Time
1AM3rd Aug
26AQI
Avg. Lowest Time
4AM3rd Aug
22AQI
In the last 24 hours,
Chomutov's AQI reached its highest point of 32 at 9 AM during the Day, while the lowest point, 20, was recorded at 7 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Chomutov, Ustecky 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 2025255 AMAQI
4th Jul 2025306 AMAQI
4th Jul 2025507 AMAQI
4th Jul 2025428 AMAQI
4th Jul 2025419 AMAQI
4th Jul 20255210 AMAQI
4th Jul 20255611 AMAQI
4th Jul 20253512 PMAQI
4th Jul 2025321 PMAQI
4th Jul 2025282 PMAQI
4th Jul 2025273 PMAQI
4th Jul 2025284 PMAQI
4th Jul 2025255 PMAQI
4th Jul 2025266 PMAQI
4th Jul 2025267 PMAQI
4th Jul 2025278 PMAQI
4th Jul 2025289 PMAQI
4th Jul 20253210 PMAQI
4th Jul 20253211 PMAQI
5th Jul 20253412 AMAQI
5th Jul 2025321 AMAQI
5th Jul 2025472 AMAQI
5th Jul 2025363 AMAQI
5th Jul 2025284 AMAQI
19°C13/24°C
5th Jul 2025345 AMAQI
5th Jul 2025406 AMAQI
5th Jul 2025467 AMAQI
5th Jul 2025428 AMAQI
5th Jul 2025489 AMAQI
5th Jul 20254710 AMAQI
5th Jul 20254511 AMAQI
5th Jul 20254212 PMAQI
5th Jul 2025341 PMAQI
5th Jul 2025352 PMAQI
5th Jul 2025323 PMAQI
5th Jul 2025324 PMAQI
5th Jul 2025325 PMAQI
5th Jul 2025326 PMAQI
5th Jul 2025287 PMAQI
5th Jul 2025318 PMAQI
5th Jul 2025319 PMAQI
5th Jul 20253610 PMAQI
5th Jul 20253611 PMAQI
6th Jul 20253712 AMAQI
6th Jul 2025361 AMAQI
6th Jul 2025412 AMAQI
6th Jul 2025363 AMAQI
6th Jul 2025284 AMAQI
20°C13/27°C
6th Jul 2025345 AMAQI
6th Jul 2025306 AMAQI
6th Jul 2025307 AMAQI
6th Jul 2025268 AMAQI
6th Jul 2025369 AMAQI
6th Jul 20254310 AMAQI
6th Jul 20255411 AMAQI
6th Jul 20254812 PMAQI
6th Jul 2025381 PMAQI
6th Jul 2025322 PMAQI
6th Jul 2025303 PMAQI
6th Jul 2025314 PMAQI
6th Jul 2025305 PMAQI
6th Jul 2025286 PMAQI
6th Jul 2025267 PMAQI
6th Jul 2025288 PMAQI
6th Jul 2025309 PMAQI
6th Jul 20253410 PMAQI
6th Jul 20253411 PMAQI
7th Jul 20253612 AMAQI
7th Jul 2025361 AMAQI
7th Jul 2025262 AMAQI
7th Jul 2025273 AMAQI
7th Jul 2025204 AMAQI
22°C16/27°C
7th Jul 2025205 AMAQI
7th Jul 2025216 AMAQI
7th Jul 2025207 AMAQI
7th Jul 2025208 AMAQI
7th Jul 2025259 AMAQI
7th Jul 20253210 AMAQI
7th Jul 20253111 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025281 PMAQI
7th Jul 2025312 PMAQI
7th Jul 2025243 PMAQI
7th Jul 2025244 PMAQI
7th Jul 2025225 PMAQI
7th Jul 2025226 PMAQI
7th Jul 2025227 PMAQI
7th Jul 2025228 PMAQI
7th Jul 2025239 PMAQI
7th Jul 20252510 PMAQI
7th Jul 20252411 PMAQI
8th Jul 20252412 AMAQI
8th Jul 2025261 AMAQI
8th Jul 2025192 AMAQI
8th Jul 2025163 AMAQI
8th Jul 2025164 AMAQI
18°C14/23°C
8th Jul 2025205 AMAQI
8th Jul 2025226 AMAQI
8th Jul 2025227 AMAQI
8th Jul 2025188 AMAQI
8th Jul 2025189 AMAQI
8th Jul 20251810 AMAQI
8th Jul 20251611 AMAQI
8th Jul 20251712 PMAQI
8th Jul 2025221 PMAQI
8th Jul 2025232 PMAQI
8th Jul 2025303 PMAQI
8th Jul 2025334 PMAQI
8th Jul 2025285 PMAQI
8th Jul 2025236 PMAQI
8th Jul 2025267 PMAQI
8th Jul 2025228 PMAQI
8th Jul 2025219 PMAQI
8th Jul 20252210 PMAQI
8th Jul 20252111 PMAQI
9th Jul 20252112 AMAQI
9th Jul 2025211 AMAQI
9th Jul 2025222 AMAQI
9th Jul 2025263 AMAQI
9th Jul 2025194 AMAQI
15°C12/19°C
9th Jul 2025165 AMAQI
9th Jul 2025186 AMAQI
9th Jul 2025197 AMAQI
9th Jul 2025188 AMAQI
9th Jul 2025209 AMAQI
9th Jul 20252610 AMAQI
9th Jul 20253211 AMAQI
9th Jul 20254712 PMAQI
9th Jul 2025301 PMAQI
9th Jul 2025222 PMAQI
9th Jul 2025213 PMAQI
9th Jul 2025194 PMAQI
9th Jul 2025185 PMAQI
9th Jul 2025176 PMAQI
9th Jul 2025207 PMAQI
9th Jul 2025208 PMAQI
9th Jul 2025209 PMAQI
9th Jul 20252210 PMAQI
9th Jul 20252211 PMAQI
10th Jul 20252312 AMAQI
10th Jul 2025221 AMAQI
10th Jul 2025202 AMAQI
10th Jul 2025193 AMAQI
10th Jul 2025194 AMAQI
14°C11/19°C
10th Jul 2025165 AMAQI
10th Jul 2025216 AMAQI
10th Jul 2025227 AMAQI
10th Jul 2025278 AMAQI
10th Jul 2025279 AMAQI
10th Jul 20253210 AMAQI
10th Jul 20252911 AMAQI
10th Jul 20252212 PMAQI
10th Jul 2025251 PMAQI
10th Jul 2025252 PMAQI
10th Jul 2025223 PMAQI
10th Jul 2025234 PMAQI
10th Jul 2025215 PMAQI
10th Jul 2025206 PMAQI
10th Jul 2025237 PMAQI
10th Jul 2025248 PMAQI
10th Jul 2025219 PMAQI
10th Jul 20252210 PMAQI
10th Jul 20252211 PMAQI
11th Jul 20252312 AMAQI
11th Jul 2025221 AMAQI
11th Jul 2025232 AMAQI
11th Jul 2025193 AMAQI
11th Jul 2025154 AMAQI
16°C12/22°C
11th Jul 2025145 AMAQI
11th Jul 2025176 AMAQI
11th Jul 2025257 AMAQI
11th Jul 2025308 AMAQI
11th Jul 2025389 AMAQI
11th Jul 20252910 AMAQI
11th Jul 20253011 AMAQI
11th Jul 20252412 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025212 PMAQI
11th Jul 2025193 PMAQI
11th Jul 2025184 PMAQI
11th Jul 2025185 PMAQI
11th Jul 2025186 PMAQI
11th Jul 2025207 PMAQI
11th Jul 2025398 PMAQI
11th Jul 2025249 PMAQI
11th Jul 20252310 PMAQI
11th Jul 20252211 PMAQI
12th Jul 20252212 AMAQI
12th Jul 2025221 AMAQI
12th Jul 2025282 AMAQI
12th Jul 2025283 AMAQI
12th Jul 2025204 AMAQI
16°C11/21°C
12th Jul 2025215 AMAQI
12th Jul 2025206 AMAQI
12th Jul 2025177 AMAQI
12th Jul 2025178 AMAQI
12th Jul 2025209 AMAQI
12th Jul 20252010 AMAQI
12th Jul 20252611 AMAQI
12th Jul 20252612 PMAQI
12th Jul 2025241 PMAQI
12th Jul 2025222 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025194 PMAQI
12th Jul 2025215 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025197 PMAQI
12th Jul 2025188 PMAQI
12th Jul 2025209 PMAQI
12th Jul 20252310 PMAQI
12th Jul 20252311 PMAQI
13th Jul 20252212 AMAQI
13th Jul 2025231 AMAQI
13th Jul 2025222 AMAQI
13th Jul 2025293 AMAQI
13th Jul 2025204 AMAQI
13°C12/15°C
13th Jul 2025225 AMAQI
13th Jul 2025286 AMAQI
13th Jul 2025247 AMAQI
13th Jul 2025408 AMAQI
13th Jul 2025389 AMAQI
13th Jul 20252810 AMAQI
13th Jul 20252211 AMAQI
13th Jul 20252212 PMAQI
13th Jul 2025331 PMAQI
13th Jul 2025302 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025304 PMAQI
13th Jul 2025265 PMAQI
13th Jul 2025256 PMAQI
13th Jul 2025247 PMAQI
13th Jul 2025298 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20252610 PMAQI
13th Jul 20252711 PMAQI
14th Jul 20252612 AMAQI
14th Jul 2025241 AMAQI
14th Jul 2025442 AMAQI
14th Jul 2025473 AMAQI
14th Jul 2025354 AMAQI
17°C12/23°C
14th Jul 2025325 AMAQI
14th Jul 2025326 AMAQI
14th Jul 2025247 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025529 AMAQI
14th Jul 20254810 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20253912 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025322 PMAQI
14th Jul 2025303 PMAQI
14th Jul 2025304 PMAQI
14th Jul 2025275 PMAQI
14th Jul 2025356 PMAQI
14th Jul 2025337 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025379 PMAQI
14th Jul 20253410 PMAQI
14th Jul 20253411 PMAQI
15th Jul 20253412 AMAQI
15th Jul 2025341 AMAQI
15th Jul 2025362 AMAQI
15th Jul 2025363 AMAQI
15th Jul 2025364 AMAQI
20°C14/27°C
15th Jul 2025455 AMAQI
15th Jul 2025346 AMAQI
15th Jul 2025347 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20254010 AMAQI
15th Jul 20253411 AMAQI
15th Jul 20254912 PMAQI
15th Jul 2025481 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025363 PMAQI
15th Jul 2025324 PMAQI
15th Jul 2025295 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025377 PMAQI
15th Jul 2025358 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253710 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20253612 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025412 AMAQI
16th Jul 2025343 AMAQI
16th Jul 2025364 AMAQI
18°C12/24°C
16th Jul 2025365 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025387 AMAQI
16th Jul 2025308 AMAQI
16th Jul 2025249 AMAQI
16th Jul 20252810 AMAQI
16th Jul 20252611 AMAQI
16th Jul 20254312 PMAQI
16th Jul 2025461 PMAQI
16th Jul 2025342 PMAQI
16th Jul 2025383 PMAQI
16th Jul 2025394 PMAQI
16th Jul 2025305 PMAQI
16th Jul 2025296 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20254110 PMAQI
16th Jul 20253811 PMAQI
17th Jul 20253512 AMAQI
17th Jul 2025351 AMAQI
17th Jul 2025222 AMAQI
17th Jul 2025163 AMAQI
17th Jul 2025194 AMAQI
16°C12/21°C
17th Jul 2025355 AMAQI
17th Jul 2025256 AMAQI
17th Jul 2025197 AMAQI
17th Jul 2025208 AMAQI
17th Jul 2025209 AMAQI
17th Jul 20253110 AMAQI
17th Jul 20252711 AMAQI
17th Jul 20252612 PMAQI
17th Jul 2025281 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025263 PMAQI
17th Jul 2025224 PMAQI
17th Jul 2025235 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025287 PMAQI
17th Jul 2025238 PMAQI
17th Jul 2025249 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252611 PMAQI
18th Jul 20252612 AMAQI
18th Jul 2025251 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025174 AMAQI
16°C11/21°C
18th Jul 2025185 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025207 AMAQI
18th Jul 2025188 AMAQI
18th Jul 2025179 AMAQI
18th Jul 20251610 AMAQI
18th Jul 20251411 AMAQI
18th Jul 20252912 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025224 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025317 PMAQI
18th Jul 2025268 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252210 PMAQI
18th Jul 20252211 PMAQI
19th Jul 20252112 AMAQI
19th Jul 2025221 AMAQI
19th Jul 2025412 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025294 AMAQI
18°C14/22°C
19th Jul 2025285 AMAQI
19th Jul 2025246 AMAQI
19th Jul 2025217 AMAQI
19th Jul 2025248 AMAQI
19th Jul 2025379 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20255411 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025362 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025294 PMAQI
19th Jul 2025265 PMAQI
19th Jul 2025256 PMAQI
19th Jul 2025307 PMAQI
19th Jul 2025288 PMAQI
19th Jul 2025299 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20253012 AMAQI
20th Jul 2025291 AMAQI
20th Jul 2025402 AMAQI
20th Jul 2025513 AMAQI
20th Jul 2025404 AMAQI
20°C14/25°C
20th Jul 2025435 AMAQI
20th Jul 2025516 AMAQI
20th Jul 2025507 AMAQI
20th Jul 2025508 AMAQI
20th Jul 2025489 AMAQI
20th Jul 20255610 AMAQI
20th Jul 20255011 AMAQI
20th Jul 20254712 PMAQI
20th Jul 2025501 PMAQI
20th Jul 2025412 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025405 PMAQI
20th Jul 2025386 PMAQI
20th Jul 2025367 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025429 PMAQI
20th Jul 20254410 PMAQI
20th Jul 20254611 PMAQI
21st Jul 20254412 AMAQI
21st Jul 2025441 AMAQI
21st Jul 2025542 AMAQI
21st Jul 2025513 AMAQI
21st Jul 2025474 AMAQI
23°C16/29°C
21st Jul 2025505 AMAQI
21st Jul 2025506 AMAQI
21st Jul 2025517 AMAQI
21st Jul 2025428 AMAQI
21st Jul 2025439 AMAQI
21st Jul 20254010 AMAQI
21st Jul 20253311 AMAQI
21st Jul 20253612 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025382 PMAQI
21st Jul 2025323 PMAQI
21st Jul 2025314 PMAQI
21st Jul 2025315 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025347 PMAQI
21st Jul 2025338 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20254210 PMAQI
21st Jul 20254211 PMAQI
22nd Jul 20254312 AMAQI
22nd Jul 2025441 AMAQI
22nd Jul 2025242 AMAQI
22nd Jul 2025163 AMAQI
22nd Jul 2025154 AMAQI
18°C14/22°C
22nd Jul 2025155 AMAQI
22nd Jul 2025196 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025239 AMAQI
22nd Jul 20253310 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252912 PMAQI
22nd Jul 2025241 PMAQI
22nd Jul 2025232 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025234 PMAQI
22nd Jul 2025285 PMAQI
22nd Jul 2025296 PMAQI
22nd Jul 2025227 PMAQI
22nd Jul 2025228 PMAQI
22nd Jul 2025229 PMAQI
22nd Jul 20252410 PMAQI
22nd Jul 20252411 PMAQI
23rd Jul 20252412 AMAQI
23rd Jul 2025241 AMAQI
23rd Jul 2025182 AMAQI
23rd Jul 2025143 AMAQI
23rd Jul 2025144 AMAQI
17°C13/20°C
23rd Jul 2025145 AMAQI
23rd Jul 2025126 AMAQI
23rd Jul 2025147 AMAQI
23rd Jul 2025168 AMAQI
23rd Jul 2025209 AMAQI
23rd Jul 20252010 AMAQI
23rd Jul 20251911 AMAQI
23rd Jul 20251712 PMAQI
23rd Jul 2025161 PMAQI
23rd Jul 2025162 PMAQI
23rd Jul 2025163 PMAQI
23rd Jul 2025174 PMAQI
23rd Jul 2025165 PMAQI
23rd Jul 2025206 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025178 PMAQI
23rd Jul 2025189 PMAQI
23rd Jul 20251810 PMAQI
23rd Jul 20251811 PMAQI
24th Jul 20251812 AMAQI
24th Jul 2025181 AMAQI
24th Jul 2025202 AMAQI
24th Jul 2025223 AMAQI
24th Jul 2025194 AMAQI
18°C14/22°C
24th Jul 2025255 AMAQI
24th Jul 2025246 AMAQI
24th Jul 2025207 AMAQI
24th Jul 2025268 AMAQI
24th Jul 2025309 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025451 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025293 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025245 PMAQI
24th Jul 2025226 PMAQI
24th Jul 2025227 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025239 PMAQI
24th Jul 20252410 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252212 AMAQI
25th Jul 2025221 AMAQI
25th Jul 2025272 AMAQI
25th Jul 2025303 AMAQI
25th Jul 2025284 AMAQI
18°C14/22°C
25th Jul 2025265 AMAQI
25th Jul 2025246 AMAQI
25th Jul 2025217 AMAQI
25th Jul 2025228 AMAQI
25th Jul 2025259 AMAQI
25th Jul 20255810 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025481 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025333 PMAQI
25th Jul 2025334 PMAQI
25th Jul 2025335 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025257 PMAQI
25th Jul 2025348 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253311 PMAQI
26th Jul 20253412 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025352 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025304 AMAQI
19°C14/23°C
26th Jul 2025345 AMAQI
26th Jul 2025316 AMAQI
26th Jul 2025267 AMAQI
26th Jul 2025278 AMAQI
26th Jul 2025309 AMAQI
26th Jul 20255010 AMAQI
26th Jul 20254611 AMAQI
26th Jul 20253012 PMAQI
26th Jul 2025291 PMAQI
26th Jul 2025342 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025334 PMAQI
26th Jul 2025295 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025267 PMAQI
26th Jul 2025238 PMAQI
26th Jul 2025289 PMAQI
26th Jul 20253310 PMAQI
26th Jul 20253511 PMAQI
27th Jul 20253412 AMAQI
27th Jul 2025341 AMAQI
27th Jul 2025282 AMAQI
27th Jul 2025223 AMAQI
27th Jul 2025344 AMAQI
18°C15/22°C
27th Jul 2025365 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20253110 AMAQI
27th Jul 20252711 AMAQI
27th Jul 20252612 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025352 PMAQI
27th Jul 2025313 PMAQI
27th Jul 2025304 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025336 PMAQI
27th Jul 2025327 PMAQI
27th Jul 2025338 PMAQI
27th Jul 2025349 PMAQI
27th Jul 20253210 PMAQI
27th Jul 20253211 PMAQI
28th Jul 20253012 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025233 AMAQI
28th Jul 2025224 AMAQI
18°C14/23°C
28th Jul 2025245 AMAQI
28th Jul 2025246 AMAQI
28th Jul 2025227 AMAQI
28th Jul 2025218 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025322 PMAQI
28th Jul 2025253 PMAQI
28th Jul 2025234 PMAQI
28th Jul 2025215 PMAQI
28th Jul 2025196 PMAQI
28th Jul 2025187 PMAQI
28th Jul 2025198 PMAQI
28th Jul 2025229 PMAQI
28th Jul 20252410 PMAQI
28th Jul 20252411 PMAQI
29th Jul 20252712 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025242 AMAQI
29th Jul 2025303 AMAQI
29th Jul 2025304 AMAQI
14°C12/16°C
29th Jul 2025315 AMAQI
29th Jul 2025356 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025348 AMAQI
29th Jul 2025309 AMAQI
29th Jul 20253510 AMAQI
29th Jul 20253611 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025341 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025304 PMAQI
29th Jul 2025255 PMAQI
29th Jul 2025236 PMAQI
29th Jul 2025237 PMAQI
29th Jul 2025228 PMAQI
29th Jul 2025259 PMAQI
29th Jul 20252910 PMAQI
29th Jul 20252911 PMAQI
30th Jul 20252912 AMAQI
30th Jul 2025291 AMAQI
30th Jul 2025212 AMAQI
30th Jul 2025223 AMAQI
30th Jul 2025184 AMAQI
16°C12/20°C
30th Jul 2025175 AMAQI
30th Jul 2025166 AMAQI
30th Jul 2025177 AMAQI
30th Jul 2025168 AMAQI
30th Jul 2025209 AMAQI
30th Jul 20252310 AMAQI
30th Jul 20252211 AMAQI
30th Jul 20252912 PMAQI
30th Jul 2025421 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025233 PMAQI
30th Jul 2025204 PMAQI
30th Jul 2025215 PMAQI
30th Jul 2025196 PMAQI
30th Jul 2025197 PMAQI
30th Jul 2025218 PMAQI
30th Jul 2025199 PMAQI
30th Jul 20251910 PMAQI
30th Jul 20251911 PMAQI
31st Jul 20251912 AMAQI
31st Jul 2025191 AMAQI
31st Jul 2025192 AMAQI
31st Jul 2025193 AMAQI
31st Jul 2025184 AMAQI
14°C11/18°C
31st Jul 2025145 AMAQI
31st Jul 2025166 AMAQI
31st Jul 2025167 AMAQI
31st Jul 2025258 AMAQI
31st Jul 2025229 AMAQI
31st Jul 20252210 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20253312 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025222 PMAQI
31st Jul 2025213 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025205 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025207 PMAQI
31st Jul 2025218 PMAQI
31st Jul 2025229 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025302 AMAQI
1st Aug 2025243 AMAQI
1st Aug 2025214 AMAQI
15°C12/20°C
1st Aug 2025225 AMAQI
1st Aug 2025256 AMAQI
1st Aug 2025227 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025269 AMAQI
1st Aug 20252210 AMAQI
1st Aug 20252311 AMAQI
1st Aug 20251912 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025222 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025246 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025239 PMAQI
1st Aug 20252410 PMAQI
1st Aug 20252311 PMAQI
2nd Aug 20252412 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025222 AMAQI
2nd Aug 2025263 AMAQI
2nd Aug 2025274 AMAQI
16°C13/21°C
2nd Aug 2025245 AMAQI
2nd Aug 2025306 AMAQI
2nd Aug 2025207 AMAQI
2nd Aug 2025288 AMAQI
2nd Aug 2025329 AMAQI
2nd Aug 20253010 AMAQI
2nd Aug 20252611 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025251 PMAQI
2nd Aug 2025242 PMAQI
2nd Aug 2025243 PMAQI
2nd Aug 2025244 PMAQI
2nd Aug 2025235 PMAQI
2nd Aug 2025256 PMAQI
2nd Aug 2025257 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025229 PMAQI
2nd Aug 20252410 PMAQI
2nd Aug 20252411 PMAQI
3rd Aug 20252412 AMAQI
3rd Aug 2025261 AMAQI
3rd Aug 2025232 AMAQI
3rd Aug 2025243 AMAQI
3rd Aug 2025224 AMAQI
16°C12/21°C
3rd Aug 2025215 AMAQI
5 AM3rd Aug 2025206 AMAQI
3rd Aug 2025217 AMAQI
3rd Aug 2025208 AMAQI
3rd Aug 2025239 AMAQI
3rd Aug 20252210 AMAQI
1 PM
9 PM
1 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 1 PM
33AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
5 AM - 7 AM
26AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 1 PM (Avg. 33), while the lowest AQI was between 5 AM to 7 AM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 2 AM
28AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
4 AM
25AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 28), while the lowest AQI was between 4 AM to 4 AM (Avg. 25).
2025 Days Vs Air Quality
Chomutov, Ustecky Kraj, Czechia
2025
71%
151
23%
49
6%
12
0.4%
1
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Good
151 DaysModerate
49 DaysPoor
12 DaysUnhealthy
1 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 215 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Chomutov, Ustecky 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
55AQI
55AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
27AQI
27AQI
4th January 2025
31AQI
31AQI
5th January 2025
61AQI
61AQI
6th January 2025
68AQI
68AQI
7th January 2025
35AQI
35AQI
8th January 2025
28AQI
28AQI
9th January 2025
30AQI
30AQI
10th January 2025
29AQI
29AQI
11th January 2025
26AQI
26AQI
12th January 2025
35AQI
35AQI
13th January 2025
39AQI
39AQI
14th January 2025
67AQI
67AQI
15th January 2025
41AQI
41AQI
16th January 2025
39AQI
39AQI
17th January 2025
57AQI
57AQI
18th January 2025
79AQI
79AQI
19th January 2025
59AQI
59AQI
20th January 2025
70AQI
70AQI
21st January 2025
74AQI
74AQI
22nd January 2025
63AQI
63AQI
23rd January 2025
56AQI
56AQI
24th January 2025
45AQI
45AQI
25th January 2025
75AQI
75AQI
26th January 2025
55AQI
55AQI
27th January 2025
53AQI
53AQI
28th January 2025
34AQI
34AQI
29th January 2025
28AQI
28AQI
30th January 2025
57AQI
57AQI
31st January 2025
46AQI
46AQI
1st February 2025
50AQI
50AQI
2nd February 2025
52AQI
52AQI
3rd February 2025
74AQI
74AQI
4th February 2025
93AQI
93AQI
5th February 2025
91AQI
91AQI
6th February 2025
45AQI
45AQI
7th February 2025
53AQI
53AQI
8th February 2025
98AQI
98AQI
9th February 2025
108AQI
108AQI
10th February 2025
116AQI
116AQI
11th February 2025
112AQI
112AQI
12th February 2025
99AQI
99AQI
13th February 2025
74AQI
74AQI
14th February 2025
94AQI
94AQI
15th February 2025
50AQI
50AQI
16th February 2025
60AQI
60AQI
17th February 2025
77AQI
77AQI
18th February 2025
74AQI
74AQI
19th February 2025
94AQI
94AQI
20th February 2025
105AQI
105AQI
21st February 2025
139AQI
139AQI
22nd February 2025
111AQI
111AQI
23rd February 2025
151AQI
151AQI
24th February 2025
122AQI
122AQI
25th February 2025
147AQI
147AQI
26th February 2025
91AQI
91AQI
27th February 2025
31AQI
31AQI
28th February 2025
38AQI
38AQI
1st March 2025
42AQI
42AQI
2nd March 2025
46AQI
46AQI
3rd March 2025
55AQI
55AQI
4th March 2025
62AQI
62AQI
5th March 2025
76AQI
76AQI
6th March 2025
99AQI
99AQI
7th March 2025
102AQI
102AQI
8th March 2025
108AQI
108AQI
9th March 2025
108AQI
108AQI
10th March 2025
112AQI
112AQI
11th March 2025
84AQI
84AQI
12th March 2025
64AQI
64AQI
13th March 2025
38AQI
38AQI
14th March 2025
65AQI
65AQI
15th March 2025
62AQI
62AQI
16th March 2025
56AQI
56AQI
17th March 2025
41AQI
41AQI
18th March 2025
44AQI
44AQI
19th March 2025
62AQI
62AQI
20th March 2025
75AQI
75AQI
21st March 2025
82AQI
82AQI
22nd March 2025
70AQI
70AQI
23rd March 2025
64AQI
64AQI
24th March 2025
84AQI
84AQI
25th March 2025
86AQI
86AQI
26th March 2025
69AQI
69AQI
27th March 2025
44AQI
44AQI
28th March 2025
65AQI
65AQI
29th March 2025
88AQI
88AQI
30th March 2025
32AQI
32AQI
31st March 2025
24AQI
24AQI
1st April 2025
31AQI
31AQI
2nd April 2025
41AQI
41AQI
3rd April 2025
49AQI
49AQI
4th April 2025
42AQI
42AQI
5th April 2025
46AQI
46AQI
6th April 2025
23AQI
23AQI
7th April 2025
21AQI
21AQI
8th April 2025
31AQI
31AQI
9th April 2025
36AQI
36AQI
10th April 2025
38AQI
38AQI
11th April 2025
34AQI
34AQI
12th April 2025
40AQI
40AQI
13th April 2025
47AQI
47AQI
14th April 2025
46AQI
46AQI
15th April 2025
43AQI
43AQI
16th April 2025
50AQI
50AQI
17th April 2025
49AQI
49AQI
18th April 2025
34AQI
34AQI
19th April 2025
18AQI
18AQI
20th April 2025
41AQI
41AQI
21st April 2025
25AQI
25AQI
22nd April 2025
21AQI
21AQI
23rd April 2025
18AQI
18AQI
24th April 2025
34AQI
34AQI
25th April 2025
27AQI
27AQI
26th April 2025
30AQI
30AQI
27th April 2025
32AQI
32AQI
28th April 2025
36AQI
36AQI
29th April 2025
38AQI
38AQI
30th April 2025
39AQI
39AQI
1st May 2025
55AQI
55AQI
2nd May 2025
43AQI
43AQI
3rd May 2025
47AQI
47AQI
4th May 2025
24AQI
24AQI
5th May 2025
25AQI
25AQI
6th May 2025
26AQI
26AQI
7th May 2025
29AQI
29AQI
8th May 2025
28AQI
28AQI
9th May 2025
31AQI
31AQI
10th May 2025
26AQI
26AQI
11th May 2025
27AQI
27AQI
12th May 2025
30AQI
30AQI
13th May 2025
38AQI
38AQI
14th May 2025
37AQI
37AQI
15th May 2025
30AQI
30AQI
16th May 2025
22AQI
22AQI
17th May 2025
20AQI
20AQI
18th May 2025
17AQI
17AQI
19th May 2025
21AQI
21AQI
20th May 2025
29AQI
29AQI
21st May 2025
30AQI
30AQI
22nd May 2025
30AQI
30AQI
23rd May 2025
25AQI
25AQI
24th May 2025
24AQI
24AQI
25th May 2025
25AQI
25AQI
26th May 2025
23AQI
23AQI
27th May 2025
24AQI
24AQI
28th May 2025
18AQI
18AQI
29th May 2025
15AQI
15AQI
30th May 2025
17AQI
17AQI
31st May 2025
32AQI
32AQI
1st June 2025
29AQI
29AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
44AQI
44AQI
4th June 2025
29AQI
29AQI
5th June 2025
21AQI
21AQI
6th June 2025
20AQI
20AQI
7th June 2025
16AQI
16AQI
8th June 2025
19AQI
19AQI
9th June 2025
24AQI
24AQI
10th June 2025
43AQI
43AQI
11th June 2025
37AQI
37AQI
12th June 2025
46AQI
46AQI
13th June 2025
50AQI
50AQI
14th June 2025
38AQI
38AQI
15th June 2025
47AQI
47AQI
16th June 2025
37AQI
37AQI
17th June 2025
34AQI
34AQI
18th June 2025
43AQI
43AQI
19th June 2025
48AQI
48AQI
20th June 2025
33AQI
33AQI
21st June 2025
34AQI
34AQI
22nd June 2025
34AQI
34AQI
23rd June 2025
43AQI
43AQI
24th June 2025
32AQI
32AQI
25th June 2025
28AQI
28AQI
26th June 2025
33AQI
33AQI
27th June 2025
29AQI
29AQI
28th June 2025
28AQI
28AQI
29th June 2025
27AQI
27AQI
30th June 2025
24AQI
24AQI
1st July 2025
29AQI
29AQI
2nd July 2025
41AQI
41AQI
3rd July 2025
39AQI
39AQI
4th July 2025
32AQI
32AQI
5th July 2025
36AQI
36AQI
6th July 2025
34AQI
34AQI
7th July 2025
25AQI
25AQI
8th July 2025
22AQI
22AQI
9th July 2025
22AQI
22AQI
10th July 2025
22AQI
22AQI
11th July 2025
23AQI
23AQI
12th July 2025
22AQI
22AQI
13th July 2025
27AQI
27AQI
14th July 2025
36AQI
36AQI
15th July 2025
37AQI
37AQI
16th July 2025
35AQI
35AQI
17th July 2025
26AQI
26AQI
18th July 2025
22AQI
22AQI
19th July 2025
30AQI
30AQI
20th July 2025
43AQI
43AQI
21st July 2025
41AQI
41AQI
22nd July 2025
24AQI
24AQI
23rd July 2025
17AQI
17AQI
24th July 2025
26AQI
26AQI
25th July 2025
31AQI
31AQI
26th July 2025
32AQI
32AQI
27th July 2025
31AQI
31AQI
28th July 2025
25AQI
25AQI
29th July 2025
29AQI
29AQI
30th July 2025
22AQI
22AQI
31st July 2025
21AQI
21AQI
1st August 2025
23AQI
23AQI
48AQI
87AQI
68AQI
35AQI
28AQI
33AQI
29AQI
23AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202546AQI
16
15
5
14
8
1
8
19
4
30
30
1
30
31
1
151
49
12
1
Highest AQI recorded in
February87AQI
Lowest AQI recorded in
August23AQI
202445AQI
18
12
1
22
7
11
18
2
25
5
28
3
24
6
26
5
24
7
16
14
23
8
17
10
3
20
11
254
106
6
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
February39AQI
202344AQI
24
7
18
8
2
23
8
23
7
19
12
15
15
24
7
22
9
18
11
1
25
5
27
2
23
4
4
261
95
7
Highest AQI recorded in
June52AQI
Lowest AQI recorded in
November30AQI
202248AQI
28
3
17
4
4
25
2
18
12
17
14
15
15
18
6
3
1
23
6
20
11
15
14
15
12
4
193
123
6
Highest AQI recorded in
March70AQI
Lowest AQI recorded in
January35AQI
202145AQI
2
1
19
11
1
20
10
27
4
16
14
26
5
29
2
22
8
17
12
2
20
8
2
19
10
2
217
85
7
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
August32AQI
202043AQI
4
9
5
6
17
1
26
4
25
6
17
14
21
9
26
2
1
23
7
1
1
164
59
2
Highest AQI recorded in
December92AQI
Lowest AQI recorded in
October35AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
48AQILeast Polluted Year Recorded
2020(Avg.)
43AQIChomutov's annual 2025 AQI (46) shows an average percentage change of 3.1% (worsened AQI) compared to previous years: 2020 (43), 2021 (45), 2022 (48), 2023 (44), 2024 (45).
