Brest, Bretagne, France 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+
September Air Quality Analysis
Brest, Bretagne, France
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
20th Sep 2024
112AQILowest AQI recorded on
13th Sep 2024
5AQISame Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 17 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: 18th Sep - 19th Sep 2025
Brest, Bretagne, France
AQI
Day
Night
.
7 AM18th Sep 2025
8 PM
6 AM19th Sep 2025
Day time
Avg. Highest Time
8AM18th Sep
20AQI
Avg. Lowest Time
2PM18th Sep
17AQI
Night time
Avg. Highest Time
5AM19th Sep
23AQI
Avg. Lowest Time
3AM19th Sep
19AQI
In the last 24 hours,
Brest's AQI reached its highest point of 23 at 5 AM during the Night, while the lowest point, 17, was recorded at 2 PM during the Day between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Brest, Bretagne, France
AugSep
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
Day
Night
20th Aug 2025407 AMAQI
20th Aug 2025428 AMAQI
20th Aug 2025419 AMAQI
20th Aug 20253810 AMAQI
20th Aug 20253711 AMAQI
20th Aug 20253512 PMAQI
20th Aug 2025361 PMAQI
20th Aug 2025372 PMAQI
20th Aug 2025363 PMAQI
20th Aug 2025354 PMAQI
20th Aug 2025345 PMAQI
20th Aug 2025366 PMAQI
20th Aug 2025367 PMAQI
20th Aug 2025388 PMAQI
20th Aug 2025389 PMAQI
20th Aug 20253810 PMAQI
20th Aug 20253811 PMAQI
21st Aug 20253712 AMAQI
21st Aug 2025371 AMAQI
21st Aug 2025362 AMAQI
21st Aug 2025283 AMAQI
21st Aug 2025264 AMAQI
21st Aug 2025325 AMAQI
21st Aug 2025326 AMAQI
17°C15/19°C
21st Aug 2025357 AMAQI
21st Aug 2025338 AMAQI
21st Aug 2025359 AMAQI
21st Aug 20253710 AMAQI
21st Aug 20253511 AMAQI
21st Aug 20253412 PMAQI
21st Aug 2025331 PMAQI
21st Aug 2025302 PMAQI
21st Aug 2025313 PMAQI
21st Aug 2025334 PMAQI
21st Aug 2025335 PMAQI
21st Aug 2025326 PMAQI
21st Aug 2025317 PMAQI
21st Aug 2025328 PMAQI
21st Aug 2025329 PMAQI
21st Aug 20253210 PMAQI
21st Aug 20253011 PMAQI
22nd Aug 20253412 AMAQI
22nd Aug 2025321 AMAQI
22nd Aug 2025362 AMAQI
22nd Aug 2025393 AMAQI
22nd Aug 2025354 AMAQI
22nd Aug 2025335 AMAQI
22nd Aug 2025306 AMAQI
16°C13/19°C
22nd Aug 2025327 AMAQI
22nd Aug 2025298 AMAQI
22nd Aug 2025329 AMAQI
22nd Aug 20253010 AMAQI
22nd Aug 20252911 AMAQI
22nd Aug 20252912 PMAQI
22nd Aug 2025291 PMAQI
22nd Aug 2025312 PMAQI
22nd Aug 2025313 PMAQI
22nd Aug 2025314 PMAQI
22nd Aug 2025305 PMAQI
22nd Aug 2025306 PMAQI
22nd Aug 2025317 PMAQI
22nd Aug 2025318 PMAQI
22nd Aug 2025329 PMAQI
22nd Aug 20253110 PMAQI
22nd Aug 20253211 PMAQI
23rd Aug 20253212 AMAQI
23rd Aug 2025311 AMAQI
23rd Aug 2025292 AMAQI
23rd Aug 2025293 AMAQI
23rd Aug 2025264 AMAQI
23rd Aug 2025265 AMAQI
23rd Aug 2025276 AMAQI
16°C12/20°C
23rd Aug 2025267 AMAQI
23rd Aug 2025278 AMAQI
23rd Aug 2025259 AMAQI
23rd Aug 20252610 AMAQI
23rd Aug 20252511 AMAQI
23rd Aug 20252412 PMAQI
23rd Aug 2025271 PMAQI
23rd Aug 2025292 PMAQI
23rd Aug 2025263 PMAQI
23rd Aug 2025274 PMAQI
23rd Aug 2025285 PMAQI
23rd Aug 2025286 PMAQI
23rd Aug 2025297 PMAQI
23rd Aug 2025288 PMAQI
23rd Aug 2025279 PMAQI
23rd Aug 20252810 PMAQI
23rd Aug 20252711 PMAQI
24th Aug 20252712 AMAQI
24th Aug 2025271 AMAQI
24th Aug 2025272 AMAQI
24th Aug 2025273 AMAQI
24th Aug 2025254 AMAQI
24th Aug 2025255 AMAQI
24th Aug 2025256 AMAQI
16°C13/20°C
24th Aug 2025247 AMAQI
24th Aug 2025258 AMAQI
24th Aug 2025259 AMAQI
24th Aug 20252410 AMAQI
24th Aug 20252411 AMAQI
24th Aug 20252212 PMAQI
24th Aug 2025241 PMAQI
24th Aug 2025262 PMAQI
24th Aug 2025253 PMAQI
24th Aug 2025264 PMAQI
24th Aug 2025255 PMAQI
24th Aug 2025246 PMAQI
24th Aug 2025247 PMAQI
24th Aug 2025258 PMAQI
24th Aug 2025259 PMAQI
24th Aug 20252610 PMAQI
24th Aug 20252511 PMAQI
25th Aug 20252612 AMAQI
25th Aug 2025251 AMAQI
25th Aug 2025252 AMAQI
25th Aug 2025233 AMAQI
25th Aug 2025244 AMAQI
25th Aug 2025245 AMAQI
25th Aug 2025246 AMAQI
19°C15/23°C
25th Aug 2025247 AMAQI
25th Aug 2025258 AMAQI
25th Aug 2025249 AMAQI
25th Aug 20252410 AMAQI
25th Aug 20252711 AMAQI
25th Aug 20252612 PMAQI
25th Aug 2025251 PMAQI
25th Aug 2025252 PMAQI
25th Aug 2025263 PMAQI
25th Aug 2025254 PMAQI
25th Aug 2025245 PMAQI
25th Aug 2025246 PMAQI
25th Aug 2025247 PMAQI
25th Aug 2025258 PMAQI
25th Aug 2025239 PMAQI
25th Aug 20252410 PMAQI
25th Aug 20252311 PMAQI
26th Aug 20252312 AMAQI
26th Aug 2025231 AMAQI
26th Aug 2025242 AMAQI
26th Aug 2025243 AMAQI
26th Aug 2025254 AMAQI
26th Aug 2025275 AMAQI
26th Aug 2025276 AMAQI
19°C16/23°C
26th Aug 2025277 AMAQI
26th Aug 2025298 AMAQI
26th Aug 2025319 AMAQI
26th Aug 20253010 AMAQI
26th Aug 20253211 AMAQI
26th Aug 20253012 PMAQI
26th Aug 2025271 PMAQI
26th Aug 2025262 PMAQI
26th Aug 2025263 PMAQI
26th Aug 2025254 PMAQI
26th Aug 2025255 PMAQI
26th Aug 2025266 PMAQI
26th Aug 2025247 PMAQI
26th Aug 2025268 PMAQI
26th Aug 2025269 PMAQI
26th Aug 20252610 PMAQI
26th Aug 20252711 PMAQI
27th Aug 20252712 AMAQI
27th Aug 2025271 AMAQI
27th Aug 2025262 AMAQI
27th Aug 2025303 AMAQI
27th Aug 2025304 AMAQI
27th Aug 2025325 AMAQI
27th Aug 2025396 AMAQI
18°C15/20°C
27th Aug 2025377 AMAQI
27th Aug 2025378 AMAQI
27th Aug 2025379 AMAQI
27th Aug 20253610 AMAQI
27th Aug 20253611 AMAQI
27th Aug 20253712 PMAQI
27th Aug 2025291 PMAQI
27th Aug 2025302 PMAQI
27th Aug 2025303 PMAQI
27th Aug 2025294 PMAQI
27th Aug 2025295 PMAQI
27th Aug 2025296 PMAQI
27th Aug 2025317 PMAQI
27th Aug 2025308 PMAQI
27th Aug 2025329 PMAQI
27th Aug 20253510 PMAQI
27th Aug 20253411 PMAQI
28th Aug 20253412 AMAQI
28th Aug 2025341 AMAQI
28th Aug 2025312 AMAQI
28th Aug 2025313 AMAQI
28th Aug 2025334 AMAQI
28th Aug 2025325 AMAQI
28th Aug 2025306 AMAQI
17°C15/19°C
28th Aug 2025297 AMAQI
28th Aug 2025308 AMAQI
28th Aug 2025299 AMAQI
28th Aug 20252910 AMAQI
28th Aug 20252811 AMAQI
28th Aug 20253012 PMAQI
28th Aug 2025281 PMAQI
28th Aug 2025312 PMAQI
28th Aug 2025283 PMAQI
28th Aug 2025284 PMAQI
28th Aug 2025275 PMAQI
28th Aug 2025276 PMAQI
28th Aug 2025287 PMAQI
28th Aug 2025298 PMAQI
28th Aug 2025309 PMAQI
28th Aug 20253110 PMAQI
28th Aug 20253211 PMAQI
29th Aug 20253112 AMAQI
29th Aug 2025321 AMAQI
29th Aug 2025312 AMAQI
29th Aug 2025293 AMAQI
29th Aug 2025274 AMAQI
29th Aug 2025295 AMAQI
29th Aug 2025276 AMAQI
16°C14/19°C
29th Aug 2025277 AMAQI
29th Aug 2025288 AMAQI
29th Aug 2025289 AMAQI
29th Aug 20252710 AMAQI
29th Aug 20252611 AMAQI
29th Aug 20252712 PMAQI
29th Aug 2025271 PMAQI
29th Aug 2025292 PMAQI
29th Aug 2025293 PMAQI
29th Aug 2025304 PMAQI
29th Aug 2025285 PMAQI
29th Aug 2025296 PMAQI
29th Aug 2025297 PMAQI
29th Aug 2025298 PMAQI
29th Aug 2025309 PMAQI
29th Aug 20252810 PMAQI
29th Aug 20252911 PMAQI
30th Aug 20253012 AMAQI
30th Aug 2025291 AMAQI
30th Aug 2025282 AMAQI
30th Aug 2025283 AMAQI
30th Aug 2025284 AMAQI
30th Aug 2025295 AMAQI
30th Aug 2025286 AMAQI
17°C15/18°C
30th Aug 2025287 AMAQI
30th Aug 2025278 AMAQI
30th Aug 2025279 AMAQI
30th Aug 20252710 AMAQI
30th Aug 20252711 AMAQI
30th Aug 20252712 PMAQI
30th Aug 2025261 PMAQI
30th Aug 2025262 PMAQI
30th Aug 2025273 PMAQI
30th Aug 2025264 PMAQI
30th Aug 2025265 PMAQI
30th Aug 2025266 PMAQI
30th Aug 2025267 PMAQI
30th Aug 2025288 PMAQI
30th Aug 2025289 PMAQI
30th Aug 20252710 PMAQI
30th Aug 20252811 PMAQI
31st Aug 20252812 AMAQI
31st Aug 2025291 AMAQI
31st Aug 2025282 AMAQI
31st Aug 2025333 AMAQI
31st Aug 2025314 AMAQI
31st Aug 2025295 AMAQI
31st Aug 2025316 AMAQI
17°C15/19°C
31st Aug 2025317 AMAQI
31st Aug 2025308 AMAQI
31st Aug 2025319 AMAQI
31st Aug 20253310 AMAQI
31st Aug 20253311 AMAQI
31st Aug 20253012 PMAQI
31st Aug 2025291 PMAQI
31st Aug 2025292 PMAQI
31st Aug 2025283 PMAQI
31st Aug 2025284 PMAQI
31st Aug 2025285 PMAQI
31st Aug 2025286 PMAQI
31st Aug 2025287 PMAQI
31st Aug 2025288 PMAQI
31st Aug 2025299 PMAQI
31st Aug 20252910 PMAQI
31st Aug 20252911 PMAQI
1st Sep 20252912 AMAQI
1st Sep 2025281 AMAQI
1st Sep 2025302 AMAQI
1st Sep 2025323 AMAQI
1st Sep 2025314 AMAQI
1st Sep 2025315 AMAQI
1st Sep 2025296 AMAQI
16°C15/18°C
1st Sep 2025307 AMAQI
1st Sep 2025328 AMAQI
1st Sep 2025319 AMAQI
1st Sep 20253110 AMAQI
1st Sep 20253011 AMAQI
1st Sep 20252912 PMAQI
1st Sep 2025281 PMAQI
1st Sep 2025292 PMAQI
1st Sep 2025303 PMAQI
1st Sep 2025294 PMAQI
1st Sep 2025305 PMAQI
1st Sep 2025296 PMAQI
1st Sep 2025297 PMAQI
1st Sep 2025308 PMAQI
1st Sep 2025309 PMAQI
1st Sep 20252910 PMAQI
1st Sep 20252911 PMAQI
2nd Sep 20252912 AMAQI
2nd Sep 2025291 AMAQI
2nd Sep 2025302 AMAQI
2nd Sep 2025333 AMAQI
2nd Sep 2025344 AMAQI
2nd Sep 2025345 AMAQI
2nd Sep 2025346 AMAQI
16°C14/17°C
2nd Sep 2025347 AMAQI
2nd Sep 2025328 AMAQI
2nd Sep 2025349 AMAQI
2nd Sep 20253110 AMAQI
2nd Sep 20253311 AMAQI
2nd Sep 20253212 PMAQI
2nd Sep 2025311 PMAQI
2nd Sep 2025312 PMAQI
2nd Sep 2025333 PMAQI
2nd Sep 2025304 PMAQI
2nd Sep 2025315 PMAQI
2nd Sep 2025306 PMAQI
2nd Sep 2025307 PMAQI
2nd Sep 2025318 PMAQI
2nd Sep 2025329 PMAQI
2nd Sep 20253410 PMAQI
2nd Sep 20253511 PMAQI
3rd Sep 20253312 AMAQI
3rd Sep 2025341 AMAQI
3rd Sep 2025352 AMAQI
3rd Sep 2025353 AMAQI
3rd Sep 2025334 AMAQI
3rd Sep 2025405 AMAQI
3rd Sep 2025406 AMAQI
17°C15/18°C
3rd Sep 2025397 AMAQI
3rd Sep 2025428 AMAQI
3rd Sep 2025389 AMAQI
3rd Sep 20253810 AMAQI
3rd Sep 20253511 AMAQI
3rd Sep 20254412 PMAQI
3rd Sep 2025361 PMAQI
3rd Sep 2025342 PMAQI
3rd Sep 2025373 PMAQI
3rd Sep 2025364 PMAQI
3rd Sep 2025365 PMAQI
3rd Sep 2025356 PMAQI
3rd Sep 2025367 PMAQI
3rd Sep 2025378 PMAQI
3rd Sep 2025369 PMAQI
3rd Sep 20253710 PMAQI
3rd Sep 20253711 PMAQI
4th Sep 20253612 AMAQI
4th Sep 2025351 AMAQI
4th Sep 2025372 AMAQI
4th Sep 2025343 AMAQI
4th Sep 2025344 AMAQI
4th Sep 2025365 AMAQI
4th Sep 2025326 AMAQI
17°C16/18°C
4th Sep 2025347 AMAQI
4th Sep 2025328 AMAQI
4th Sep 2025349 AMAQI
4th Sep 20253510 AMAQI
4th Sep 20253911 AMAQI
4th Sep 20254412 PMAQI
4th Sep 2025441 PMAQI
4th Sep 2025452 PMAQI
4th Sep 2025383 PMAQI
4th Sep 2025334 PMAQI
4th Sep 2025335 PMAQI
4th Sep 2025336 PMAQI
4th Sep 2025387 PMAQI
4th Sep 2025308 PMAQI
4th Sep 2025329 PMAQI
4th Sep 20253610 PMAQI
4th Sep 20252911 PMAQI
5th Sep 20253112 AMAQI
5th Sep 2025321 AMAQI
5th Sep 2025312 AMAQI
5th Sep 2025323 AMAQI
5th Sep 2025324 AMAQI
5th Sep 2025315 AMAQI
5th Sep 2025326 AMAQI
16°C14/18°C
5th Sep 2025347 AMAQI
5th Sep 2025348 AMAQI
5th Sep 2025339 AMAQI
5th Sep 20253410 AMAQI
5th Sep 20253311 AMAQI
5th Sep 20253212 PMAQI
5th Sep 2025321 PMAQI
5th Sep 2025332 PMAQI
5th Sep 2025333 PMAQI
5th Sep 2025334 PMAQI
5th Sep 2025335 PMAQI
5th Sep 2025316 PMAQI
5th Sep 2025327 PMAQI
5th Sep 2025328 PMAQI
5th Sep 2025339 PMAQI
5th Sep 20253210 PMAQI
5th Sep 20253111 PMAQI
6th Sep 20253512 AMAQI
6th Sep 2025311 AMAQI
6th Sep 2025442 AMAQI
6th Sep 2025263 AMAQI
6th Sep 2025264 AMAQI
6th Sep 2025315 AMAQI
6th Sep 2025316 AMAQI
16°C13/18°C
6th Sep 2025317 AMAQI
6th Sep 2025298 AMAQI
6th Sep 2025319 AMAQI
6th Sep 20252810 AMAQI
6th Sep 20253111 AMAQI
6th Sep 20253112 PMAQI
6th Sep 2025301 PMAQI
6th Sep 2025302 PMAQI
6th Sep 2025313 PMAQI
6th Sep 2025324 PMAQI
6th Sep 2025315 PMAQI
6th Sep 2025316 PMAQI
6th Sep 2025307 PMAQI
6th Sep 2025318 PMAQI
6th Sep 2025329 PMAQI
6th Sep 20253210 PMAQI
6th Sep 20253211 PMAQI
7th Sep 20253212 AMAQI
7th Sep 2025331 AMAQI
7th Sep 2025332 AMAQI
7th Sep 2025303 AMAQI
7th Sep 2025314 AMAQI
7th Sep 2025295 AMAQI
7th Sep 2025326 AMAQI
17°C12/23°C
7th Sep 2025317 AMAQI
7th Sep 2025318 AMAQI
7th Sep 2025319 AMAQI
7th Sep 20253210 AMAQI
7th Sep 20253211 AMAQI
7th Sep 20253112 PMAQI
7th Sep 2025321 PMAQI
7th Sep 2025312 PMAQI
7th Sep 2025323 PMAQI
7th Sep 2025344 PMAQI
7th Sep 2025325 PMAQI
7th Sep 2025316 PMAQI
7th Sep 2025307 PMAQI
7th Sep 2025308 PMAQI
7th Sep 2025319 PMAQI
7th Sep 20253210 PMAQI
7th Sep 20253111 PMAQI
8th Sep 20253112 AMAQI
8th Sep 2025311 AMAQI
8th Sep 2025302 AMAQI
8th Sep 2025313 AMAQI
8th Sep 2025314 AMAQI
8th Sep 2025305 AMAQI
8th Sep 2025326 AMAQI
17°C15/19°C
8th Sep 2025337 AMAQI
8th Sep 2025348 AMAQI
8th Sep 2025329 AMAQI
8th Sep 20253310 AMAQI
8th Sep 20253511 AMAQI
8th Sep 20253912 PMAQI
8th Sep 2025331 PMAQI
8th Sep 2025322 PMAQI
8th Sep 2025323 PMAQI
8th Sep 2025334 PMAQI
8th Sep 2025325 PMAQI
8th Sep 2025326 PMAQI
8th Sep 2025317 PMAQI
8th Sep 2025338 PMAQI
8th Sep 2025339 PMAQI
8th Sep 20253510 PMAQI
8th Sep 20253311 PMAQI
9th Sep 20253612 AMAQI
9th Sep 2025341 AMAQI
9th Sep 2025332 AMAQI
9th Sep 2025343 AMAQI
9th Sep 2025334 AMAQI
9th Sep 2025335 AMAQI
9th Sep 2025376 AMAQI
15°C13/18°C
9th Sep 2025367 AMAQI
9th Sep 2025308 AMAQI
9th Sep 2025349 AMAQI
9th Sep 20253410 AMAQI
9th Sep 20253611 AMAQI
9th Sep 20253412 PMAQI
9th Sep 2025311 PMAQI
9th Sep 2025332 PMAQI
9th Sep 2025333 PMAQI
9th Sep 2025344 PMAQI
9th Sep 2025355 PMAQI
9th Sep 2025326 PMAQI
9th Sep 2025327 PMAQI
9th Sep 2025338 PMAQI
9th Sep 2025339 PMAQI
9th Sep 20253310 PMAQI
9th Sep 20253411 PMAQI
10th Sep 20253512 AMAQI
10th Sep 2025341 AMAQI
10th Sep 2025352 AMAQI
10th Sep 2025313 AMAQI
10th Sep 2025314 AMAQI
10th Sep 2025315 AMAQI
10th Sep 2025326 AMAQI
15°C13/17°C
10th Sep 2025357 AMAQI
10th Sep 2025318 AMAQI
10th Sep 2025349 AMAQI
10th Sep 20253410 AMAQI
10th Sep 20253411 AMAQI
10th Sep 20253312 PMAQI
10th Sep 2025331 PMAQI
10th Sep 2025332 PMAQI
10th Sep 2025323 PMAQI
10th Sep 2025344 PMAQI
10th Sep 2025305 PMAQI
10th Sep 2025316 PMAQI
10th Sep 2025327 PMAQI
10th Sep 2025318 PMAQI
10th Sep 2025329 PMAQI
10th Sep 20253410 PMAQI
10th Sep 20253311 PMAQI
11th Sep 20253312 AMAQI
11th Sep 2025331 AMAQI
11th Sep 2025352 AMAQI
11th Sep 2025353 AMAQI
11th Sep 2025334 AMAQI
11th Sep 2025325 AMAQI
11th Sep 2025316 AMAQI
15°C14/18°C
11th Sep 2025317 AMAQI
11th Sep 2025308 AMAQI
11th Sep 2025319 AMAQI
11th Sep 20253010 AMAQI
11th Sep 20253011 AMAQI
11th Sep 20253112 PMAQI
11th Sep 2025301 PMAQI
11th Sep 2025312 PMAQI
11th Sep 2025313 PMAQI
11th Sep 2025324 PMAQI
11th Sep 2025315 PMAQI
11th Sep 2025316 PMAQI
11th Sep 2025317 PMAQI
11th Sep 2025328 PMAQI
11th Sep 2025339 PMAQI
11th Sep 20253210 PMAQI
11th Sep 20253111 PMAQI
12th Sep 20253112 AMAQI
12th Sep 2025321 AMAQI
12th Sep 2025292 AMAQI
12th Sep 2025303 AMAQI
12th Sep 2025284 AMAQI
12th Sep 2025305 AMAQI
12th Sep 2025326 AMAQI
15°C14/17°C
12th Sep 2025297 AMAQI
12th Sep 2025308 AMAQI
12th Sep 2025329 AMAQI
12th Sep 20253010 AMAQI
12th Sep 20252711 AMAQI
12th Sep 20252712 PMAQI
12th Sep 2025251 PMAQI
12th Sep 2025262 PMAQI
12th Sep 2025263 PMAQI
12th Sep 2025264 PMAQI
12th Sep 2025275 PMAQI
12th Sep 2025266 PMAQI
12th Sep 2025267 PMAQI
12th Sep 2025268 PMAQI
12th Sep 2025279 PMAQI
12th Sep 20252810 PMAQI
12th Sep 20252911 PMAQI
13th Sep 20252812 AMAQI
13th Sep 2025281 AMAQI
13th Sep 2025292 AMAQI
13th Sep 2025283 AMAQI
13th Sep 2025284 AMAQI
13th Sep 2025285 AMAQI
13th Sep 2025266 AMAQI
15°C13/17°C
13th Sep 2025267 AMAQI
13th Sep 2025278 AMAQI
13th Sep 2025279 AMAQI
13th Sep 20252610 AMAQI
13th Sep 20252611 AMAQI
13th Sep 20252612 PMAQI
13th Sep 2025261 PMAQI
13th Sep 2025272 PMAQI
13th Sep 2025263 PMAQI
13th Sep 2025264 PMAQI
13th Sep 2025275 PMAQI
13th Sep 2025266 PMAQI
13th Sep 2025277 PMAQI
13th Sep 2025288 PMAQI
13th Sep 2025299 PMAQI
13th Sep 20252710 PMAQI
13th Sep 20252711 PMAQI
14th Sep 20252712 AMAQI
14th Sep 2025271 AMAQI
14th Sep 2025272 AMAQI
14th Sep 2025313 AMAQI
14th Sep 2025304 AMAQI
14th Sep 2025295 AMAQI
14th Sep 2025306 AMAQI
15°C14/17°C
14th Sep 2025287 AMAQI
14th Sep 2025278 AMAQI
14th Sep 2025259 AMAQI
14th Sep 20252810 AMAQI
14th Sep 20252711 AMAQI
14th Sep 20252812 PMAQI
14th Sep 2025271 PMAQI
14th Sep 2025282 PMAQI
14th Sep 2025303 PMAQI
14th Sep 2025274 PMAQI
14th Sep 2025295 PMAQI
14th Sep 2025306 PMAQI
14th Sep 2025287 PMAQI
14th Sep 2025298 PMAQI
14th Sep 2025299 PMAQI
14th Sep 20252910 PMAQI
14th Sep 20252911 PMAQI
15th Sep 20252812 AMAQI
15th Sep 2025291 AMAQI
15th Sep 2025332 AMAQI
15th Sep 2025293 AMAQI
15th Sep 2025274 AMAQI
15th Sep 2025285 AMAQI
15th Sep 2025286 AMAQI
16°C13/19°C
15th Sep 2025307 AMAQI
15th Sep 2025318 AMAQI
15th Sep 2025349 AMAQI
15th Sep 20253510 AMAQI
15th Sep 20253311 AMAQI
15th Sep 20253312 PMAQI
15th Sep 2025321 PMAQI
15th Sep 2025282 PMAQI
15th Sep 2025273 PMAQI
15th Sep 2025264 PMAQI
15th Sep 2025255 PMAQI
15th Sep 2025276 PMAQI
15th Sep 2025287 PMAQI
15th Sep 2025278 PMAQI
15th Sep 2025279 PMAQI
15th Sep 20252810 PMAQI
15th Sep 20253011 PMAQI
16th Sep 20252912 AMAQI
16th Sep 2025291 AMAQI
16th Sep 2025302 AMAQI
16th Sep 2025263 AMAQI
16th Sep 2025234 AMAQI
16th Sep 2025315 AMAQI
16th Sep 2025236 AMAQI
15°C14/16°C
16th Sep 2025237 AMAQI
16th Sep 2025258 AMAQI
16th Sep 2025269 AMAQI
16th Sep 20252610 AMAQI
16th Sep 20252611 AMAQI
16th Sep 20252412 PMAQI
16th Sep 2025241 PMAQI
16th Sep 2025242 PMAQI
16th Sep 2025233 PMAQI
16th Sep 2025234 PMAQI
16th Sep 2025235 PMAQI
16th Sep 2025236 PMAQI
16th Sep 2025247 PMAQI
16th Sep 2025238 PMAQI
16th Sep 2025249 PMAQI
16th Sep 20252510 PMAQI
16th Sep 20252511 PMAQI
17th Sep 20252612 AMAQI
17th Sep 2025251 AMAQI
17th Sep 2025232 AMAQI
17th Sep 2025203 AMAQI
17th Sep 2025184 AMAQI
17th Sep 2025215 AMAQI
17th Sep 2025186 AMAQI
15°C14/17°C
17th Sep 2025207 AMAQI
17th Sep 2025208 AMAQI
17th Sep 2025209 AMAQI
17th Sep 20252210 AMAQI
17th Sep 20252111 AMAQI
17th Sep 20252212 PMAQI
17th Sep 2025211 PMAQI
17th Sep 2025212 PMAQI
17th Sep 2025213 PMAQI
17th Sep 2025204 PMAQI
17th Sep 2025205 PMAQI
17th Sep 2025206 PMAQI
17th Sep 2025207 PMAQI
17th Sep 2025208 PMAQI
17th Sep 2025219 PMAQI
17th Sep 20252110 PMAQI
17th Sep 20252011 PMAQI
18th Sep 20252012 AMAQI
18th Sep 2025211 AMAQI
18th Sep 2025202 AMAQI
18th Sep 2025173 AMAQI
18th Sep 2025164 AMAQI
18th Sep 2025175 AMAQI
18th Sep 2025196 AMAQI
16°C15/18°C
18th Sep 2025197 AMAQI
18th Sep 2025208 AMAQI
18th Sep 2025199 AMAQI
18th Sep 20251910 AMAQI
18th Sep 20251811 AMAQI
18th Sep 20251812 PMAQI
18th Sep 2025171 PMAQI
18th Sep 2025172 PMAQI
18th Sep 2025183 PMAQI
18th Sep 2025184 PMAQI
18th Sep 2025185 PMAQI
18th Sep 2025196 PMAQI
18th Sep 2025187 PMAQI
18th Sep 2025198 PMAQI
18th Sep 2025199 PMAQI
18th Sep 20252010 PMAQI
18th Sep 20252011 PMAQI
19th Sep 20252012 AMAQI
19th Sep 2025201 AMAQI
19th Sep 2025202 AMAQI
19th Sep 2025193 AMAQI
19th Sep 2025204 AMAQI
19th Sep 2025235 AMAQI
19th Sep 2025226 AMAQI
17°C15/19°C
19th Sep 2025237 AMAQI
7 AM19th Sep 2025248 AMAQI
19th Sep 2025249 AMAQI
19th Sep 20252410 AMAQI
19th Sep 20252411 AMAQI
19th Sep 20252412 PMAQI
19th Sep 2025231 PMAQI
1 PM19th Sep 2025222 PMAQI
19th Sep 2025213 PMAQI
19th Sep 2025204 PMAQI
19th Sep 2025205 PMAQI
19th Sep 2025206 PMAQI
19th Sep 2025207 PMAQI
19th Sep 2025218 PMAQI
8 PM19th Sep 2025219 PMAQI
19th Sep 20252410 PMAQI
1 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
7 AM - 12 PM
30AQI
6 hours / Day
180 hours / Month
Avg. Lowest Time
5 PM - 7 PM
28AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 7 AM to 12 PM (Avg. 30), while the lowest AQI was between 5 PM to 7 PM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 2 AM
30AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
3 AM - 4 AM
29AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 30), while the lowest AQI was between 3 AM to 4 AM (Avg. 29).
2025 Days Vs Air Quality
Brest, Bretagne, France
2025
85%
222
15%
39
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Good
222 DaysModerate
39 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 262 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
Brest, Bretagne, France
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
36AQI
36AQI
2nd January 2025
29AQI
29AQI
3rd January 2025
33AQI
33AQI
4th January 2025
39AQI
39AQI
5th January 2025
36AQI
36AQI
6th January 2025
32AQI
32AQI
7th January 2025
32AQI
32AQI
8th January 2025
38AQI
38AQI
9th January 2025
31AQI
31AQI
10th January 2025
29AQI
29AQI
11th January 2025
33AQI
33AQI
12th January 2025
36AQI
36AQI
13th January 2025
41AQI
41AQI
14th January 2025
68AQI
68AQI
15th January 2025
72AQI
72AQI
16th January 2025
46AQI
46AQI
17th January 2025
62AQI
62AQI
18th January 2025
66AQI
66AQI
19th January 2025
61AQI
61AQI
20th January 2025
60AQI
60AQI
21st January 2025
60AQI
60AQI
22nd January 2025
62AQI
62AQI
23rd January 2025
35AQI
35AQI
24th January 2025
36AQI
36AQI
25th January 2025
34AQI
34AQI
26th January 2025
36AQI
36AQI
27th January 2025
32AQI
32AQI
28th January 2025
38AQI
38AQI
29th January 2025
32AQI
32AQI
30th January 2025
31AQI
31AQI
31st January 2025
34AQI
34AQI
1st February 2025
37AQI
37AQI
2nd February 2025
30AQI
30AQI
3rd February 2025
42AQI
42AQI
4th February 2025
31AQI
31AQI
5th February 2025
41AQI
41AQI
6th February 2025
39AQI
39AQI
7th February 2025
51AQI
51AQI
8th February 2025
41AQI
41AQI
9th February 2025
53AQI
53AQI
10th February 2025
40AQI
40AQI
11th February 2025
73AQI
73AQI
12th February 2025
73AQI
73AQI
13th February 2025
63AQI
63AQI
14th February 2025
38AQI
38AQI
15th February 2025
49AQI
49AQI
16th February 2025
68AQI
68AQI
17th February 2025
77AQI
77AQI
18th February 2025
69AQI
69AQI
19th February 2025
62AQI
62AQI
20th February 2025
36AQI
36AQI
21st February 2025
42AQI
42AQI
22nd February 2025
37AQI
37AQI
23rd February 2025
33AQI
33AQI
24th February 2025
40AQI
40AQI
25th February 2025
32AQI
32AQI
26th February 2025
29AQI
29AQI
27th February 2025
28AQI
28AQI
28th February 2025
35AQI
35AQI
1st March 2025
33AQI
33AQI
2nd March 2025
44AQI
44AQI
3rd March 2025
65AQI
65AQI
4th March 2025
79AQI
79AQI
5th March 2025
75AQI
75AQI
6th March 2025
52AQI
52AQI
7th March 2025
46AQI
46AQI
8th March 2025
31AQI
31AQI
9th March 2025
30AQI
30AQI
10th March 2025
32AQI
32AQI
11th March 2025
65AQI
65AQI
12th March 2025
37AQI
37AQI
13th March 2025
28AQI
28AQI
14th March 2025
35AQI
35AQI
15th March 2025
27AQI
27AQI
16th March 2025
40AQI
40AQI
17th March 2025
60AQI
60AQI
18th March 2025
59AQI
59AQI
19th March 2025
39AQI
39AQI
20th March 2025
28AQI
28AQI
21st March 2025
31AQI
31AQI
22nd March 2025
23AQI
23AQI
23rd March 2025
39AQI
39AQI
24th March 2025
65AQI
65AQI
25th March 2025
62AQI
62AQI
26th March 2025
33AQI
33AQI
27th March 2025
53AQI
53AQI
28th March 2025
24AQI
24AQI
29th March 2025
24AQI
24AQI
30th March 2025
24AQI
24AQI
31st March 2025
42AQI
42AQI
1st April 2025
36AQI
36AQI
2nd April 2025
41AQI
41AQI
3rd April 2025
34AQI
34AQI
4th April 2025
31AQI
31AQI
5th April 2025
37AQI
37AQI
6th April 2025
48AQI
48AQI
7th April 2025
43AQI
43AQI
8th April 2025
46AQI
46AQI
9th April 2025
64AQI
64AQI
10th April 2025
68AQI
68AQI
11th April 2025
61AQI
61AQI
12th April 2025
50AQI
50AQI
13th April 2025
32AQI
32AQI
14th April 2025
19AQI
19AQI
15th April 2025
22AQI
22AQI
16th April 2025
16AQI
16AQI
17th April 2025
17AQI
17AQI
18th April 2025
18AQI
18AQI
19th April 2025
18AQI
18AQI
20th April 2025
50AQI
50AQI
21st April 2025
49AQI
49AQI
22nd April 2025
23AQI
23AQI
23rd April 2025
18AQI
18AQI
24th April 2025
19AQI
19AQI
25th April 2025
36AQI
36AQI
26th April 2025
50AQI
50AQI
27th April 2025
56AQI
56AQI
28th April 2025
58AQI
58AQI
29th April 2025
37AQI
37AQI
30th April 2025
34AQI
34AQI
1st May 2025
35AQI
35AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
37AQI
37AQI
4th May 2025
29AQI
29AQI
5th May 2025
18AQI
18AQI
6th May 2025
19AQI
19AQI
7th May 2025
22AQI
22AQI
8th May 2025
26AQI
26AQI
9th May 2025
32AQI
32AQI
10th May 2025
35AQI
35AQI
11th May 2025
20AQI
20AQI
12th May 2025
23AQI
23AQI
13th May 2025
22AQI
22AQI
14th May 2025
25AQI
25AQI
15th May 2025
33AQI
33AQI
16th May 2025
34AQI
34AQI
17th May 2025
29AQI
29AQI
18th May 2025
31AQI
31AQI
19th May 2025
38AQI
38AQI
20th May 2025
45AQI
45AQI
21st May 2025
40AQI
40AQI
22nd May 2025
28AQI
28AQI
23rd May 2025
27AQI
27AQI
24th May 2025
21AQI
21AQI
25th May 2025
18AQI
18AQI
26th May 2025
22AQI
22AQI
27th May 2025
25AQI
25AQI
28th May 2025
21AQI
21AQI
29th May 2025
18AQI
18AQI
30th May 2025
19AQI
19AQI
31st May 2025
22AQI
22AQI
1st June 2025
23AQI
23AQI
2nd June 2025
20AQI
20AQI
3rd June 2025
22AQI
22AQI
4th June 2025
18AQI
18AQI
5th June 2025
18AQI
18AQI
6th June 2025
15AQI
15AQI
7th June 2025
16AQI
16AQI
8th June 2025
25AQI
25AQI
9th June 2025
57AQI
57AQI
10th June 2025
44AQI
44AQI
11th June 2025
42AQI
42AQI
12th June 2025
48AQI
48AQI
13th June 2025
41AQI
41AQI
14th June 2025
28AQI
28AQI
15th June 2025
24AQI
24AQI
16th June 2025
22AQI
22AQI
17th June 2025
30AQI
30AQI
18th June 2025
32AQI
32AQI
19th June 2025
32AQI
32AQI
20th June 2025
45AQI
45AQI
21st June 2025
51AQI
51AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
28AQI
28AQI
24th June 2025
24AQI
24AQI
25th June 2025
23AQI
23AQI
26th June 2025
18AQI
18AQI
27th June 2025
16AQI
16AQI
28th June 2025
14AQI
14AQI
29th June 2025
18AQI
18AQI
30th June 2025
22AQI
22AQI
1st July 2025
28AQI
28AQI
2nd July 2025
20AQI
20AQI
3rd July 2025
17AQI
17AQI
4th July 2025
18AQI
18AQI
5th July 2025
22AQI
22AQI
6th July 2025
17AQI
17AQI
7th July 2025
18AQI
18AQI
8th July 2025
19AQI
19AQI
9th July 2025
20AQI
20AQI
10th July 2025
20AQI
20AQI
11th July 2025
21AQI
21AQI
12th July 2025
22AQI
22AQI
13th July 2025
26AQI
26AQI
14th July 2025
24AQI
24AQI
15th July 2025
24AQI
24AQI
16th July 2025
32AQI
32AQI
17th July 2025
22AQI
22AQI
18th July 2025
23AQI
23AQI
19th July 2025
19AQI
19AQI
20th July 2025
20AQI
20AQI
21st July 2025
19AQI
19AQI
22nd July 2025
16AQI
16AQI
23rd July 2025
16AQI
16AQI
24th July 2025
52AQI
52AQI
25th July 2025
60AQI
60AQI
26th July 2025
30AQI
30AQI
27th July 2025
24AQI
24AQI
28th July 2025
22AQI
22AQI
29th July 2025
18AQI
18AQI
30th July 2025
18AQI
18AQI
31st July 2025
18AQI
18AQI
1st August 2025
21AQI
21AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
21AQI
21AQI
4th August 2025
23AQI
23AQI
5th August 2025
24AQI
24AQI
6th August 2025
25AQI
25AQI
7th August 2025
26AQI
26AQI
8th August 2025
26AQI
26AQI
9th August 2025
20AQI
20AQI
10th August 2025
23AQI
23AQI
11th August 2025
39AQI
39AQI
12th August 2025
51AQI
51AQI
13th August 2025
55AQI
55AQI
14th August 2025
41AQI
41AQI
15th August 2025
35AQI
35AQI
16th August 2025
39AQI
39AQI
17th August 2025
43AQI
43AQI
18th August 2025
39AQI
39AQI
19th August 2025
45AQI
45AQI
20th August 2025
41AQI
41AQI
21st August 2025
39AQI
39AQI
22nd August 2025
33AQI
33AQI
23rd August 2025
30AQI
30AQI
24th August 2025
30AQI
30AQI
25th August 2025
29AQI
29AQI
26th August 2025
29AQI
29AQI
27th August 2025
29AQI
29AQI
28th August 2025
24AQI
24AQI
29th August 2025
22AQI
22AQI
30th August 2025
19AQI
19AQI
31st August 2025
21AQI
21AQI
1st September 2025
22AQI
22AQI
2nd September 2025
21AQI
21AQI
3rd September 2025
25AQI
25AQI
4th September 2025
22AQI
22AQI
5th September 2025
19AQI
19AQI
6th September 2025
18AQI
18AQI
7th September 2025
22AQI
22AQI
8th September 2025
23AQI
23AQI
9th September 2025
21AQI
21AQI
10th September 2025
20AQI
20AQI
11th September 2025
22AQI
22AQI
12th September 2025
19AQI
19AQI
13th September 2025
18AQI
18AQI
14th September 2025
18AQI
18AQI
15th September 2025
24AQI
24AQI
16th September 2025
23AQI
23AQI
17th September 2025
19AQI
19AQI
18th September 2025
17AQI
17AQI
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
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
42AQI
46AQI
43AQI
38AQI
27AQI
29AQI
23AQI
31AQI
21AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
23
8
19
9
21
10
25
5
31
27
3
29
2
29
2
18
222
39
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
September21AQI
202428AQI
26
5
29
31
30
29
2
30
31
31
26
2
2
31
25
5
28
3
347
17
2
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
July18AQI
202327AQI
27
1
3
26
2
30
1
28
2
31
30
29
2
31
28
2
31
29
31
351
10
3
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
August17AQI
202236AQI
23
8
18
3
19
12
22
8
30
1
29
1
24
1
28
30
1
30
20
8
3
274
42
3
Highest AQI recorded in
March49AQI
Lowest AQI recorded in
November25AQI
202132AQI
26
4
21
7
23
8
25
5
30
1
28
2
26
5
31
26
4
27
4
28
2
26
5
317
47
Highest AQI recorded in
March42AQI
Lowest AQI recorded in
August23AQI
202030AQI
4
8
1
14
7
18
29
1
31
28
3
28
2
31
27
3
31
241
24
1
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
July19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
36AQILeast Polluted Year Recorded
2023(Avg.)
27AQIBrest's annual 2025 AQI (34) shows an average percentage change of 11.7% (worsened AQI) compared to previous years: 2020 (30), 2021 (32), 2022 (36), 2023 (27), 2024 (28).
