Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Calais Berthelot, Calais, Hauts De France, 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+

August Air Quality Analysis

Calais Berthelot, Calais, Hauts De France, France

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Aug 2023
58AQI
Lowest AQI recorded on
18th Aug 2021
17AQI

Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

Calais Berthelot, Calais, Hauts De France, France

AQI
Day
Night
.

6 AM5th Aug 2025

9 PM

5 AM6th Aug 2025

Day time
Avg. Highest Time
12PM5th Aug

32AQI

Avg. Lowest Time
2PM5th Aug

22AQI

Night time
Avg. Highest Time
5AM6th Aug

28AQI

Avg. Lowest Time
1AM6th Aug

24AQI

In the last 24 hours,

Calais Berthelot's AQI reached its highest point of 32 at 12 PM during the Day, while the lowest point, 22, was recorded at 2 PM during the Day between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Calais Berthelot, Calais, Hauts De France, France

JulAug
07th - 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 - 06th06th
Day
Night
7th Jul 2025216 AMAQI
7th Jul 2025247 AMAQI
7th Jul 2025218 AMAQI
7th Jul 2025219 AMAQI
7th Jul 20252010 AMAQI
7th Jul 20252011 AMAQI
7th Jul 20252212 PMAQI
7th Jul 2025221 PMAQI
7th Jul 2025212 PMAQI
7th Jul 2025213 PMAQI
7th Jul 2025224 PMAQI
7th Jul 2025215 PMAQI
7th Jul 2025206 PMAQI
7th Jul 2025207 PMAQI
7th Jul 2025218 PMAQI
7th Jul 2025209 PMAQI
7th Jul 20252010 PMAQI
7th Jul 20252011 PMAQI
8th Jul 20252112 AMAQI
8th Jul 2025211 AMAQI
8th Jul 2025232 AMAQI
8th Jul 2025273 AMAQI
8th Jul 2025304 AMAQI
8th Jul 2025285 AMAQI

16°C15/17°C

8th Jul 2025246 AMAQI
8th Jul 2025247 AMAQI
8th Jul 2025228 AMAQI
8th Jul 2025219 AMAQI
8th Jul 20252210 AMAQI
8th Jul 20252211 AMAQI
8th Jul 20252312 PMAQI
8th Jul 2025241 PMAQI
8th Jul 2025242 PMAQI
8th Jul 2025243 PMAQI
8th Jul 2025234 PMAQI
8th Jul 2025245 PMAQI
8th Jul 2025246 PMAQI
8th Jul 2025247 PMAQI
8th Jul 2025248 PMAQI
8th Jul 2025249 PMAQI
8th Jul 20252410 PMAQI
8th Jul 20252411 PMAQI
9th Jul 20252512 AMAQI
9th Jul 2025241 AMAQI
9th Jul 2025252 AMAQI
9th Jul 2025253 AMAQI
9th Jul 2025254 AMAQI
9th Jul 2025265 AMAQI

16°C13/18°C

9th Jul 2025286 AMAQI
9th Jul 2025297 AMAQI
9th Jul 2025308 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20253410 AMAQI
9th Jul 20253311 AMAQI
9th Jul 20253412 PMAQI
9th Jul 2025321 PMAQI
9th Jul 2025272 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025284 PMAQI
9th Jul 2025265 PMAQI
9th Jul 2025276 PMAQI
9th Jul 2025267 PMAQI
9th Jul 2025268 PMAQI
9th Jul 2025269 PMAQI
9th Jul 20252710 PMAQI
9th Jul 20252811 PMAQI
10th Jul 20252712 AMAQI
10th Jul 2025271 AMAQI
10th Jul 2025252 AMAQI
10th Jul 2025253 AMAQI
10th Jul 2025254 AMAQI
10th Jul 2025345 AMAQI

17°C15/19°C

10th Jul 2025306 AMAQI
10th Jul 2025327 AMAQI
10th Jul 2025328 AMAQI
10th Jul 2025319 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253111 AMAQI
10th Jul 20253012 PMAQI
10th Jul 2025291 PMAQI
10th Jul 2025292 PMAQI
10th Jul 2025283 PMAQI
10th Jul 2025264 PMAQI
10th Jul 2025265 PMAQI
10th Jul 2025276 PMAQI
10th Jul 2025277 PMAQI
10th Jul 2025288 PMAQI
10th Jul 2025269 PMAQI
10th Jul 20252910 PMAQI
10th Jul 20252911 PMAQI
11th Jul 20252812 AMAQI
11th Jul 2025301 AMAQI
11th Jul 2025272 AMAQI
11th Jul 2025263 AMAQI
11th Jul 2025284 AMAQI
11th Jul 2025275 AMAQI

19°C16/21°C

11th Jul 2025286 AMAQI
11th Jul 2025297 AMAQI
11th Jul 2025308 AMAQI
11th Jul 2025349 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20253511 AMAQI
11th Jul 20253012 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025272 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025284 PMAQI
11th Jul 2025265 PMAQI
11th Jul 2025276 PMAQI
11th Jul 2025267 PMAQI
11th Jul 2025268 PMAQI
11th Jul 2025289 PMAQI
11th Jul 20252910 PMAQI
11th Jul 20253011 PMAQI
12th Jul 20252812 AMAQI
12th Jul 2025281 AMAQI
12th Jul 2025222 AMAQI
12th Jul 2025213 AMAQI
12th Jul 2025204 AMAQI
12th Jul 2025225 AMAQI

19°C16/21°C

12th Jul 2025246 AMAQI
12th Jul 2025267 AMAQI
12th Jul 2025288 AMAQI
12th Jul 2025269 AMAQI
12th Jul 20252510 AMAQI
12th Jul 20252511 AMAQI
12th Jul 20252312 PMAQI
12th Jul 2025231 PMAQI
12th Jul 2025252 PMAQI
12th Jul 2025243 PMAQI
12th Jul 2025244 PMAQI
12th Jul 2025255 PMAQI
12th Jul 2025246 PMAQI
12th Jul 2025247 PMAQI
12th Jul 2025248 PMAQI
12th Jul 2025249 PMAQI
12th Jul 20252510 PMAQI
12th Jul 20252511 PMAQI
13th Jul 20252612 AMAQI
13th Jul 2025271 AMAQI
13th Jul 2025292 AMAQI
13th Jul 2025313 AMAQI
13th Jul 2025284 AMAQI
13th Jul 2025275 AMAQI

18°C16/20°C

13th Jul 2025276 AMAQI
13th Jul 2025267 AMAQI
13th Jul 2025308 AMAQI
13th Jul 2025289 AMAQI
13th Jul 20252610 AMAQI
13th Jul 20252711 AMAQI
13th Jul 20253012 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025282 PMAQI
13th Jul 2025293 PMAQI
13th Jul 2025284 PMAQI
13th Jul 2025295 PMAQI
13th Jul 2025306 PMAQI
13th Jul 2025297 PMAQI
13th Jul 2025298 PMAQI
13th Jul 2025299 PMAQI
13th Jul 20252910 PMAQI
13th Jul 20252811 PMAQI
14th Jul 20252812 AMAQI
14th Jul 2025291 AMAQI
14th Jul 2025512 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025584 AMAQI
14th Jul 2025575 AMAQI

18°C16/21°C

14th Jul 2025516 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025478 AMAQI
14th Jul 2025509 AMAQI
14th Jul 20254810 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20253812 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025332 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025384 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025326 PMAQI
14th Jul 2025317 PMAQI
14th Jul 2025338 PMAQI
14th Jul 2025389 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254211 PMAQI
15th Jul 20254212 AMAQI
15th Jul 2025421 AMAQI
15th Jul 2025362 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025314 AMAQI
15th Jul 2025315 AMAQI

18°C16/19°C

15th Jul 2025326 AMAQI
15th Jul 2025327 AMAQI
15th Jul 2025328 AMAQI
15th Jul 2025319 AMAQI
15th Jul 20253110 AMAQI
15th Jul 20253311 AMAQI
15th Jul 20253212 PMAQI
15th Jul 2025331 PMAQI
15th Jul 2025332 PMAQI
15th Jul 2025323 PMAQI
15th Jul 2025334 PMAQI
15th Jul 2025335 PMAQI
15th Jul 2025346 PMAQI
15th Jul 2025347 PMAQI
15th Jul 2025348 PMAQI
15th Jul 2025349 PMAQI
15th Jul 20253410 PMAQI
15th Jul 20253411 PMAQI
16th Jul 20253412 AMAQI
16th Jul 2025331 AMAQI
16th Jul 2025272 AMAQI
16th Jul 2025323 AMAQI
16th Jul 2025434 AMAQI
16th Jul 2025465 AMAQI

17°C16/19°C

16th Jul 2025396 AMAQI
16th Jul 2025357 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025349 AMAQI
16th Jul 20253310 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20253212 PMAQI
16th Jul 2025291 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025325 PMAQI
16th Jul 2025316 PMAQI
16th Jul 2025307 PMAQI
16th Jul 2025318 PMAQI
16th Jul 2025319 PMAQI
16th Jul 20253210 PMAQI
16th Jul 20253311 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025312 AMAQI
17th Jul 2025333 AMAQI
17th Jul 2025314 AMAQI
17th Jul 2025335 AMAQI

18°C16/19°C

17th Jul 2025346 AMAQI
17th Jul 2025327 AMAQI
17th Jul 2025408 AMAQI
17th Jul 2025479 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253311 AMAQI
17th Jul 20253112 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025313 PMAQI
17th Jul 2025324 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025316 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025319 PMAQI
17th Jul 20253310 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025242 AMAQI
18th Jul 2025223 AMAQI
18th Jul 2025234 AMAQI
18th Jul 2025245 AMAQI

18°C16/20°C

18th Jul 2025256 AMAQI
18th Jul 2025277 AMAQI
18th Jul 2025318 AMAQI
18th Jul 2025329 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252712 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025252 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025264 PMAQI
18th Jul 2025265 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025269 PMAQI
18th Jul 20252710 PMAQI
18th Jul 20253011 PMAQI
19th Jul 20253112 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025372 AMAQI
19th Jul 2025443 AMAQI
19th Jul 2025474 AMAQI
19th Jul 2025465 AMAQI

20°C17/23°C

19th Jul 2025436 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025408 AMAQI
19th Jul 2025409 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253311 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025411 PMAQI
19th Jul 2025432 PMAQI
19th Jul 2025483 PMAQI
19th Jul 2025524 PMAQI
19th Jul 2025545 PMAQI
19th Jul 2025546 PMAQI
19th Jul 2025487 PMAQI
19th Jul 2025428 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20254011 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025401 AMAQI
20th Jul 2025312 AMAQI
20th Jul 2025203 AMAQI
20th Jul 2025214 AMAQI
20th Jul 2025215 AMAQI

19°C17/23°C

20th Jul 2025196 AMAQI
20th Jul 2025197 AMAQI
20th Jul 2025208 AMAQI
20th Jul 2025199 AMAQI
20th Jul 20251610 AMAQI
20th Jul 20251711 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025204 PMAQI
20th Jul 2025205 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025228 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252311 PMAQI
21st Jul 20252312 AMAQI
21st Jul 2025231 AMAQI
21st Jul 2025192 AMAQI
21st Jul 2025163 AMAQI
21st Jul 2025174 AMAQI
21st Jul 2025185 AMAQI

18°C16/19°C

21st Jul 2025216 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20252110 AMAQI
21st Jul 20251811 AMAQI
21st Jul 20251612 PMAQI
21st Jul 2025161 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025173 PMAQI
21st Jul 2025174 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025186 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025208 PMAQI
21st Jul 2025219 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20252011 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025194 AMAQI
22nd Jul 2025205 AMAQI

17°C15/18°C

22nd Jul 2025206 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025188 AMAQI
22nd Jul 2025169 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20252012 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025236 PMAQI
22nd Jul 2025257 PMAQI
22nd Jul 2025248 PMAQI
22nd Jul 2025219 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025202 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025204 AMAQI
23rd Jul 2025215 AMAQI

18°C16/20°C

23rd Jul 2025226 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252310 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252512 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025253 PMAQI
23rd Jul 2025264 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025268 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252210 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025383 AMAQI
24th Jul 2025384 AMAQI
24th Jul 2025315 AMAQI

18°C16/19°C

24th Jul 2025356 AMAQI
24th Jul 2025387 AMAQI
24th Jul 2025438 AMAQI
24th Jul 2025549 AMAQI
24th Jul 20255610 AMAQI
24th Jul 20254311 AMAQI
24th Jul 20254412 PMAQI
24th Jul 2025411 PMAQI
24th Jul 2025342 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025374 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025326 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253310 PMAQI
24th Jul 20253311 PMAQI
25th Jul 20253312 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025242 AMAQI
25th Jul 2025233 AMAQI
25th Jul 2025314 AMAQI
25th Jul 2025385 AMAQI

18°C16/19°C

25th Jul 2025356 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025318 AMAQI
25th Jul 2025319 AMAQI
25th Jul 20252510 AMAQI
25th Jul 20252211 AMAQI
25th Jul 20252312 PMAQI
25th Jul 2025241 PMAQI
25th Jul 2025282 PMAQI
25th Jul 2025283 PMAQI
25th Jul 2025284 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025286 PMAQI
25th Jul 2025297 PMAQI
25th Jul 2025328 PMAQI
25th Jul 2025329 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253211 PMAQI
26th Jul 20253212 AMAQI
26th Jul 2025321 AMAQI
26th Jul 2025462 AMAQI
26th Jul 2025543 AMAQI
26th Jul 2025554 AMAQI
26th Jul 2025545 AMAQI

19°C17/20°C

26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025578 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255510 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255312 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025348 PMAQI
26th Jul 2025389 PMAQI
26th Jul 20254910 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025491 AMAQI
27th Jul 2025422 AMAQI
27th Jul 2025283 AMAQI
27th Jul 2025224 AMAQI
27th Jul 2025165 AMAQI

18°C17/20°C

27th Jul 2025166 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20251810 AMAQI
27th Jul 20252011 AMAQI
27th Jul 20252012 PMAQI
27th Jul 2025261 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025258 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252710 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025284 AMAQI
28th Jul 2025285 AMAQI

18°C17/19°C

28th Jul 2025276 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253312 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025282 PMAQI
28th Jul 2025293 PMAQI
28th Jul 2025294 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20252810 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025382 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025444 AMAQI
29th Jul 2025445 AMAQI

18°C16/19°C

29th Jul 2025466 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20254410 AMAQI
29th Jul 20254611 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025281 PMAQI
29th Jul 2025312 PMAQI
29th Jul 2025323 PMAQI
29th Jul 2025324 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025349 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253712 AMAQI
30th Jul 2025381 AMAQI
30th Jul 2025382 AMAQI
30th Jul 2025253 AMAQI
30th Jul 2025254 AMAQI
30th Jul 2025285 AMAQI

18°C16/19°C

30th Jul 2025306 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025388 AMAQI
30th Jul 2025379 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20253711 AMAQI
30th Jul 20253012 PMAQI
30th Jul 2025291 PMAQI
30th Jul 2025292 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025267 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 2025284 AMAQI
31st Jul 2025305 AMAQI

18°C17/19°C

31st Jul 2025326 AMAQI
31st Jul 2025307 AMAQI
31st Jul 2025248 AMAQI
31st Jul 2025259 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252411 AMAQI
31st Jul 20252612 PMAQI
31st Jul 2025271 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025244 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025236 PMAQI
31st Jul 2025227 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025239 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252311 PMAQI
1st Aug 20252212 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025212 AMAQI
1st Aug 2025223 AMAQI
1st Aug 2025224 AMAQI
1st Aug 2025215 AMAQI

18°C17/19°C

1st Aug 2025226 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025258 AMAQI
1st Aug 2025379 AMAQI
1st Aug 20252310 AMAQI
1st Aug 20252411 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025231 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025243 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025215 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025239 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025222 AMAQI
2nd Aug 2025223 AMAQI
2nd Aug 2025214 AMAQI
2nd Aug 2025225 AMAQI

17°C16/19°C

2nd Aug 2025206 AMAQI
2nd Aug 2025227 AMAQI
2nd Aug 2025218 AMAQI
2nd Aug 2025229 AMAQI
2nd Aug 20252210 AMAQI
2nd Aug 20252211 AMAQI
2nd Aug 20252312 PMAQI
2nd Aug 2025231 PMAQI
2nd Aug 2025232 PMAQI
2nd Aug 2025213 PMAQI
2nd Aug 2025224 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025216 PMAQI
2nd Aug 2025207 PMAQI
2nd Aug 2025208 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252212 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025222 AMAQI
3rd Aug 2025223 AMAQI
3rd Aug 2025204 AMAQI
3rd Aug 2025205 AMAQI

17°C15/19°C

3rd Aug 2025266 AMAQI
3rd Aug 2025277 AMAQI
3rd Aug 2025268 AMAQI
3rd Aug 2025289 AMAQI
3rd Aug 20253110 AMAQI
3rd Aug 20252511 AMAQI
3rd Aug 20252312 PMAQI
3rd Aug 2025231 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025233 PMAQI
3rd Aug 2025224 PMAQI
3rd Aug 2025235 PMAQI
3rd Aug 2025256 PMAQI
3rd Aug 2025237 PMAQI
3rd Aug 2025248 PMAQI
3rd Aug 2025239 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252311 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025231 AMAQI
4th Aug 2025262 AMAQI
4th Aug 2025253 AMAQI
4th Aug 2025264 AMAQI
4th Aug 2025285 AMAQI

18°C16/19°C

4th Aug 2025286 AMAQI
4th Aug 2025277 AMAQI
4th Aug 2025308 AMAQI
4th Aug 2025239 AMAQI
4th Aug 20252410 AMAQI
4th Aug 20252511 AMAQI
4th Aug 20252812 PMAQI
4th Aug 2025281 PMAQI
4th Aug 2025242 PMAQI
4th Aug 2025223 PMAQI
4th Aug 2025224 PMAQI
4th Aug 2025235 PMAQI
4th Aug 2025236 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025229 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252411 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025241 AMAQI
5th Aug 2025232 AMAQI
5th Aug 2025223 AMAQI
5th Aug 2025184 AMAQI
5th Aug 2025225 AMAQI

19°C18/20°C

5th Aug 2025226 AMAQI
5th Aug 2025227 AMAQI
5th Aug 2025258 AMAQI
5th Aug 2025249 AMAQI
5th Aug 20253110 AMAQI
5th Aug 20253011 AMAQI
5th Aug 20253212 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025222 PMAQI
5th Aug 2025233 PMAQI
5th Aug 2025234 PMAQI
5th Aug 2025265 PMAQI
5th Aug 2025256 PMAQI
5th Aug 2025247 PMAQI
5th Aug 2025268 PMAQI
5th Aug 2025259 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025241 AMAQI
6th Aug 2025262 AMAQI
6th Aug 2025263 AMAQI
6th Aug 2025274 AMAQI
6th Aug 2025285 AMAQI

18°C16/19°C

6th Aug 2025266 AMAQI
6 AM
6th Aug 2025247 AMAQI
6th Aug 2025268 AMAQI
6th Aug 2025309 AMAQI
6th Aug 20253210 AMAQI
6th Aug 20253311 AMAQI
6th Aug 20253312 PMAQI
6th Aug 2025311 PMAQI
1 PM
6th Aug 2025332 PMAQI
6th Aug 2025303 PMAQI
9 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 9 PM

28AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM

28AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 28), while the lowest AQI was between 6 AM to 9 PM (Avg. 28).
Night time
Avg. Highest Time
12 AM - 11 PM

28AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

28AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 28), while the lowest AQI was between 12 AM to 11 PM (Avg. 28).

2025 Days Vs Air Quality

Calais Berthelot, Calais, Hauts De France, France

2025

65%

140

31%

68

4%

9

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
140 Days
Moderate
68 Days
Poor
9 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 65%

Health Risk Level:

Moderate

In 2025, 65% of 218 days were within WHO’s safe air quality limits, and 35% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights

Calais Berthelot, Calais, Hauts De France, 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.

1st January 2025
34AQI
2nd January 2025
27AQI
3rd January 2025
32AQI
4th January 2025
49AQI
5th January 2025
35AQI
6th January 2025
25AQI
7th January 2025
25AQI
8th January 2025
37AQI
9th January 2025
31AQI
10th January 2025
55AQI
11th January 2025
74AQI
12th January 2025
62AQI
13th January 2025
80AQI
14th January 2025
77AQI
15th January 2025
72AQI
16th January 2025
79AQI
17th January 2025
78AQI
18th January 2025
73AQI
19th January 2025
77AQI
20th January 2025
90AQI
21st January 2025
79AQI
22nd January 2025
84AQI
23rd January 2025
57AQI
24th January 2025
40AQI
25th January 2025
36AQI
26th January 2025
31AQI
27th January 2025
28AQI
28th January 2025
29AQI
29th January 2025
29AQI
30th January 2025
29AQI
31st January 2025
38AQI
1st February 2025
62AQI
2nd February 2025
98AQI
3rd February 2025
96AQI
4th February 2025
62AQI
5th February 2025
59AQI
6th February 2025
54AQI
7th February 2025
56AQI
8th February 2025
70AQI
9th February 2025
52AQI
10th February 2025
113AQI
11th February 2025
112AQI
12th February 2025
69AQI
13th February 2025
81AQI
14th February 2025
101AQI
15th February 2025
123AQI
16th February 2025
78AQI
17th February 2025
77AQI
18th February 2025
86AQI
19th February 2025
92AQI
20th February 2025
65AQI
21st February 2025
55AQI
22nd February 2025
51AQI
23rd February 2025
43AQI
24th February 2025
29AQI
25th February 2025
46AQI
26th February 2025
33AQI
27th February 2025
27AQI
28th February 2025
36AQI
1st March 2025
39AQI
2nd March 2025
78AQI
3rd March 2025
115AQI
4th March 2025
130AQI
5th March 2025
124AQI
6th March 2025
92AQI
7th March 2025
55AQI
8th March 2025
67AQI
9th March 2025
84AQI
10th March 2025
135AQI
11th March 2025
88AQI
12th March 2025
43AQI
13th March 2025
30AQI
14th March 2025
30AQI
15th March 2025
35AQI
16th March 2025
45AQI
17th March 2025
39AQI
18th March 2025
51AQI
19th March 2025
65AQI
20th March 2025
77AQI
21st March 2025
63AQI
22nd March 2025
52AQI
23rd March 2025
54AQI
24th March 2025
86AQI
25th March 2025
112AQI
26th March 2025
70AQI
27th March 2025
66AQI
28th March 2025
55AQI
29th March 2025
30AQI
30th March 2025
40AQI
31st March 2025
30AQI
1st April 2025
47AQI
2nd April 2025
51AQI
3rd April 2025
60AQI
4th April 2025
72AQI
5th April 2025
67AQI
6th April 2025
39AQI
7th April 2025
42AQI
8th April 2025
57AQI
9th April 2025
37AQI
10th April 2025
30AQI
11th April 2025
60AQI
12th April 2025
69AQI
13th April 2025
49AQI
14th April 2025
34AQI
15th April 2025
55AQI
16th April 2025
21AQI
17th April 2025
44AQI
18th April 2025
47AQI
19th April 2025
51AQI
20th April 2025
46AQI
21st April 2025
57AQI
22nd April 2025
41AQI
23rd April 2025
26AQI
24th April 2025
45AQI
25th April 2025
46AQI
26th April 2025
66AQI
27th April 2025
56AQI
28th April 2025
55AQI
29th April 2025
62AQI
30th April 2025
67AQI
1st May 2025
74AQI
2nd May 2025
64AQI
3rd May 2025
52AQI
4th May 2025
24AQI
5th May 2025
25AQI
6th May 2025
23AQI
7th May 2025
24AQI
8th May 2025
35AQI
9th May 2025
38AQI
10th May 2025
41AQI
11th May 2025
40AQI
12th May 2025
32AQI
13th May 2025
45AQI
14th May 2025
50AQI
15th May 2025
47AQI
16th May 2025
40AQI
17th May 2025
39AQI
18th May 2025
43AQI
19th May 2025
43AQI
20th May 2025
33AQI
21st May 2025
45AQI
22nd May 2025
36AQI
23rd May 2025
26AQI
24th May 2025
30AQI
25th May 2025
27AQI
26th May 2025
32AQI
27th May 2025
26AQI
28th May 2025
31AQI
29th May 2025
33AQI
30th May 2025
20AQI
31st May 2025
25AQI
1st June 2025
33AQI
2nd June 2025
27AQI
3rd June 2025
27AQI
4th June 2025
23AQI
5th June 2025
18AQI
6th June 2025
23AQI
7th June 2025
20AQI
8th June 2025
20AQI
9th June 2025
48AQI
10th June 2025
53AQI
11th June 2025
39AQI
12th June 2025
44AQI
13th June 2025
52AQI
14th June 2025
46AQI
15th June 2025
33AQI
16th June 2025
35AQI
17th June 2025
34AQI
18th June 2025
37AQI
19th June 2025
42AQI
20th June 2025
44AQI
21st June 2025
38AQI
22nd June 2025
34AQI
23rd June 2025
31AQI
24th June 2025
31AQI
25th June 2025
25AQI
26th June 2025
26AQI
27th June 2025
28AQI
28th June 2025
21AQI
29th June 2025
19AQI
30th June 2025
28AQI
1st July 2025
42AQI
2nd July 2025
41AQI
3rd July 2025
32AQI
4th July 2025
27AQI
5th July 2025
26AQI
6th July 2025
20AQI
7th July 2025
21AQI
8th July 2025
24AQI
9th July 2025
28AQI
10th July 2025
28AQI
11th July 2025
28AQI
12th July 2025
25AQI
13th July 2025
28AQI
14th July 2025
39AQI
15th July 2025
35AQI
16th July 2025
34AQI
17th July 2025
33AQI
18th July 2025
28AQI
19th July 2025
42AQI
20th July 2025
22AQI
21st July 2025
19AQI
22nd July 2025
20AQI
23rd July 2025
23AQI
24th July 2025
35AQI
25th July 2025
30AQI
26th July 2025
46AQI
27th July 2025
27AQI
28th July 2025
29AQI
29th July 2025
37AQI
30th July 2025
30AQI
31st July 2025
25AQI
1st August 2025
23AQI
2nd August 2025
22AQI
3rd August 2025
23AQI
4th August 2025
25AQI
5th August 2025
24AQI

51AQI

69AQI

67AQI

50AQI

37AQI

33AQI

30AQI

23AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202547AQI

17
14
6
18
4
10
16
5
15
15
28
3
28
2
31
5
140
68
9

Highest AQI recorded in

February

69AQI

Lowest AQI recorded in

August

23AQI

202439AQI

16
4
23
2
25
5
1
29
1
23
8
23
6
1
28
3
26
5
25
3
2
28
3
17
13
23
8
286
61
4

Highest AQI recorded in

November

47AQI

Lowest AQI recorded in

April

32AQI

202337AQI

25
5
16
9
3
29
2
21
9
22
6
25
5
28
1
30
1
22
6
2
27
4
26
3
26
5
297
56
5

Highest AQI recorded in

February

54AQI

Lowest AQI recorded in

July

26AQI

202239AQI

19
11
1
21
10
14
6
24
6
28
2
21
3
22
2
2
27
1
30
26
4
20
10
1
250
53
8

Highest AQI recorded in

March

68AQI

Lowest AQI recorded in

September

30AQI

202137AQI

15
3
17
10
19
8
3
21
7
29
2
26
4
27
4
30
20
8
28
3
27
3
24
7
283
59
3

Highest AQI recorded in

March

50AQI

Lowest AQI recorded in

August

27AQI

202028AQI

13
18
3
18
28
2
31
30
1
27
30
25
5
17
1
237
12

Highest AQI recorded in

November

34AQI

Lowest AQI recorded in

July

21AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
47AQI
Least Polluted Year Recorded
2020(Avg.)
28AQI

Calais Berthelot's annual 2025 AQI (47) shows an average percentage change of 33.4% (worsened AQI) compared to previous years: 2020 (28), 2021 (37), 2022 (39), 2023 (37), 2024 (39).