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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, Hauts De France, France

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Aug 2023
59AQI
Lowest AQI recorded on
2nd Aug 2022
17AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Calais, Hauts De France, France

AQI
Day
Night
.

6 AM1st Aug 2025

9 PM

5 AM2nd Aug 2025

Day time
Avg. Highest Time
9AM1st Aug

28AQI

Avg. Lowest Time
7PM1st Aug

20AQI

Night time
Avg. Highest Time
1AM2nd Aug

23AQI

Avg. Lowest Time
4AM2nd Aug

20AQI

In the last 24 hours,

Calais's AQI reached its highest point of 28 at 9 AM during the Day, while the lowest point, 20, was recorded at 4 AM during the Night between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Calais, Hauts De France, France

JulAug
03rd - 04th04th - 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
Day
Night
3rd Jul 2025246 AMAQI
3rd Jul 2025247 AMAQI
3rd Jul 2025248 AMAQI
3rd Jul 2025249 AMAQI
3rd Jul 20252410 AMAQI
3rd Jul 20252411 AMAQI
3rd Jul 20252512 PMAQI
3rd Jul 2025271 PMAQI
3rd Jul 2025282 PMAQI
3rd Jul 2025283 PMAQI
3rd Jul 2025284 PMAQI
3rd Jul 2025285 PMAQI
3rd Jul 2025276 PMAQI
3rd Jul 2025277 PMAQI
3rd Jul 2025288 PMAQI
3rd Jul 2025289 PMAQI
3rd Jul 20253010 PMAQI
3rd Jul 20253011 PMAQI
4th Jul 20253012 AMAQI
4th Jul 2025301 AMAQI
4th Jul 2025222 AMAQI
4th Jul 2025203 AMAQI
4th Jul 2025274 AMAQI
4th Jul 2025375 AMAQI

17°C14/19°C

4th Jul 2025296 AMAQI
4th Jul 2025267 AMAQI
4th Jul 2025268 AMAQI
4th Jul 2025249 AMAQI
4th Jul 20252410 AMAQI
4th Jul 20252311 AMAQI
4th Jul 20252312 PMAQI
4th Jul 2025251 PMAQI
4th Jul 2025252 PMAQI
4th Jul 2025253 PMAQI
4th Jul 2025244 PMAQI
4th Jul 2025255 PMAQI
4th Jul 2025236 PMAQI
4th Jul 2025237 PMAQI
4th Jul 2025248 PMAQI
4th Jul 2025249 PMAQI
4th Jul 20252610 PMAQI
4th Jul 20252611 PMAQI
5th Jul 20252612 AMAQI
5th Jul 2025261 AMAQI
5th Jul 2025212 AMAQI
5th Jul 2025203 AMAQI
5th Jul 2025254 AMAQI
5th Jul 2025255 AMAQI

17°C14/19°C

5th Jul 2025276 AMAQI
5th Jul 2025287 AMAQI
5th Jul 2025288 AMAQI
5th Jul 2025279 AMAQI
5th Jul 20252710 AMAQI
5th Jul 20252911 AMAQI
5th Jul 20252912 PMAQI
5th Jul 2025251 PMAQI
5th Jul 2025262 PMAQI
5th Jul 2025263 PMAQI
5th Jul 2025264 PMAQI
5th Jul 2025265 PMAQI
5th Jul 2025266 PMAQI
5th Jul 2025267 PMAQI
5th Jul 2025258 PMAQI
5th Jul 2025259 PMAQI
5th Jul 20252410 PMAQI
5th Jul 20252511 PMAQI
6th Jul 20252512 AMAQI
6th Jul 2025241 AMAQI
6th Jul 2025232 AMAQI
6th Jul 2025213 AMAQI
6th Jul 2025184 AMAQI
6th Jul 2025165 AMAQI

17°C16/18°C

6th Jul 2025186 AMAQI
6th Jul 2025177 AMAQI
6th Jul 2025168 AMAQI
6th Jul 2025159 AMAQI
6th Jul 20251610 AMAQI
6th Jul 20251511 AMAQI
6th Jul 20251512 PMAQI
6th Jul 2025161 PMAQI
6th Jul 2025182 PMAQI
6th Jul 2025193 PMAQI
6th Jul 2025204 PMAQI
6th Jul 2025235 PMAQI
6th Jul 2025236 PMAQI
6th Jul 2025237 PMAQI
6th Jul 2025248 PMAQI
6th Jul 2025219 PMAQI
6th Jul 20252010 PMAQI
6th Jul 20252011 PMAQI
7th Jul 20252012 AMAQI
7th Jul 2025191 AMAQI
7th Jul 2025192 AMAQI
7th Jul 2025203 AMAQI
7th Jul 2025184 AMAQI
7th Jul 2025225 AMAQI

17°C16/18°C

7th Jul 2025246 AMAQI
7th Jul 2025267 AMAQI
7th Jul 2025258 AMAQI
7th Jul 2025249 AMAQI
7th Jul 20252210 AMAQI
7th Jul 20252011 AMAQI
7th Jul 20252612 PMAQI
7th Jul 2025221 PMAQI
7th Jul 2025232 PMAQI
7th Jul 2025233 PMAQI
7th Jul 2025244 PMAQI
7th Jul 2025235 PMAQI
7th Jul 2025236 PMAQI
7th Jul 2025207 PMAQI
7th Jul 2025218 PMAQI
7th Jul 2025219 PMAQI
7th Jul 20252210 PMAQI
7th Jul 20252111 PMAQI
8th Jul 20252112 AMAQI
8th Jul 2025211 AMAQI
8th Jul 2025232 AMAQI
8th Jul 2025303 AMAQI
8th Jul 2025314 AMAQI
8th Jul 2025285 AMAQI

16°C15/17°C

8th Jul 2025276 AMAQI
8th Jul 2025267 AMAQI
8th Jul 2025258 AMAQI
8th Jul 2025249 AMAQI
8th Jul 20252410 AMAQI
8th Jul 20252511 AMAQI
8th Jul 20252612 PMAQI
8th Jul 2025281 PMAQI
8th Jul 2025282 PMAQI
8th Jul 2025283 PMAQI
8th Jul 2025274 PMAQI
8th Jul 2025275 PMAQI
8th Jul 2025276 PMAQI
8th Jul 2025277 PMAQI
8th Jul 2025278 PMAQI
8th Jul 2025269 PMAQI
8th Jul 20252610 PMAQI
8th Jul 20252611 PMAQI
9th Jul 20252612 AMAQI
9th Jul 2025261 AMAQI
9th Jul 2025262 AMAQI
9th Jul 2025253 AMAQI
9th Jul 2025254 AMAQI
9th Jul 2025265 AMAQI

16°C13/18°C

9th Jul 2025286 AMAQI
9th Jul 2025287 AMAQI
9th Jul 2025318 AMAQI
9th Jul 2025329 AMAQI
9th Jul 20253510 AMAQI
9th Jul 20253411 AMAQI
9th Jul 20253512 PMAQI
9th Jul 2025351 PMAQI
9th Jul 2025282 PMAQI
9th Jul 2025283 PMAQI
9th Jul 2025284 PMAQI
9th Jul 2025275 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 2025281 AMAQI
10th Jul 2025262 AMAQI
10th Jul 2025253 AMAQI
10th Jul 2025254 AMAQI
10th Jul 2025325 AMAQI

17°C15/19°C

10th Jul 2025326 AMAQI
10th Jul 2025297 AMAQI
10th Jul 2025318 AMAQI
10th Jul 2025309 AMAQI
10th Jul 20253010 AMAQI
10th Jul 20253011 AMAQI
10th Jul 20253012 PMAQI
10th Jul 2025291 PMAQI
10th Jul 2025282 PMAQI
10th Jul 2025263 PMAQI
10th Jul 2025264 PMAQI
10th Jul 2025265 PMAQI
10th Jul 2025276 PMAQI
10th Jul 2025327 PMAQI
10th Jul 2025308 PMAQI
10th Jul 2025279 PMAQI
10th Jul 20252810 PMAQI
10th Jul 20252911 PMAQI
11th Jul 20252812 AMAQI
11th Jul 2025291 AMAQI
11th Jul 2025282 AMAQI
11th Jul 2025293 AMAQI
11th Jul 2025264 AMAQI
11th Jul 2025275 AMAQI

19°C16/21°C

11th Jul 2025336 AMAQI
11th Jul 2025297 AMAQI
11th Jul 2025328 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253910 AMAQI
11th Jul 20253911 AMAQI
11th Jul 20253112 PMAQI
11th Jul 2025281 PMAQI
11th Jul 2025282 PMAQI
11th Jul 2025283 PMAQI
11th Jul 2025274 PMAQI
11th Jul 2025245 PMAQI
11th Jul 2025256 PMAQI
11th Jul 2025257 PMAQI
11th Jul 2025258 PMAQI
11th Jul 2025269 PMAQI
11th Jul 20252810 PMAQI
11th Jul 20252911 PMAQI
12th Jul 20252812 AMAQI
12th Jul 2025291 AMAQI
12th Jul 2025222 AMAQI
12th Jul 2025213 AMAQI
12th Jul 2025214 AMAQI
12th Jul 2025245 AMAQI

19°C16/21°C

12th Jul 2025246 AMAQI
12th Jul 2025257 AMAQI
12th Jul 2025258 AMAQI
12th Jul 2025249 AMAQI
12th Jul 20252310 AMAQI
12th Jul 20252211 AMAQI
12th Jul 20252112 PMAQI
12th Jul 2025221 PMAQI
12th Jul 2025232 PMAQI
12th Jul 2025223 PMAQI
12th Jul 2025224 PMAQI
12th Jul 2025225 PMAQI
12th Jul 2025226 PMAQI
12th Jul 2025237 PMAQI
12th Jul 2025228 PMAQI
12th Jul 2025239 PMAQI
12th Jul 20252410 PMAQI
12th Jul 20252411 PMAQI
13th Jul 20252512 AMAQI
13th Jul 2025261 AMAQI
13th Jul 2025292 AMAQI
13th Jul 2025303 AMAQI
13th Jul 2025294 AMAQI
13th Jul 2025265 AMAQI

18°C16/20°C

13th Jul 2025256 AMAQI
13th Jul 2025267 AMAQI
13th Jul 2025268 AMAQI
13th Jul 2025259 AMAQI
13th Jul 20252510 AMAQI
13th Jul 20252611 AMAQI
13th Jul 20252812 PMAQI
13th Jul 2025301 PMAQI
13th Jul 2025292 PMAQI
13th Jul 2025303 PMAQI
13th Jul 2025314 PMAQI
13th Jul 2025325 PMAQI
13th Jul 2025326 PMAQI
13th Jul 2025337 PMAQI
13th Jul 2025328 PMAQI
13th Jul 2025309 PMAQI
13th Jul 20252810 PMAQI
13th Jul 20252811 PMAQI
14th Jul 20252812 AMAQI
14th Jul 2025281 AMAQI
14th Jul 2025462 AMAQI
14th Jul 2025563 AMAQI
14th Jul 2025584 AMAQI
14th Jul 2025595 AMAQI

18°C16/21°C

14th Jul 2025556 AMAQI
14th Jul 2025477 AMAQI
14th Jul 2025498 AMAQI
14th Jul 2025499 AMAQI
14th Jul 20255110 AMAQI
14th Jul 20254911 AMAQI
14th Jul 20254012 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025362 PMAQI
14th Jul 2025373 PMAQI
14th Jul 2025404 PMAQI
14th Jul 2025385 PMAQI
14th Jul 2025366 PMAQI
14th Jul 2025347 PMAQI
14th Jul 2025368 PMAQI
14th Jul 2025409 PMAQI
14th Jul 20254610 PMAQI
14th Jul 20254411 PMAQI
15th Jul 20254512 AMAQI
15th Jul 2025451 AMAQI
15th Jul 2025372 AMAQI
15th Jul 2025323 AMAQI
15th Jul 2025304 AMAQI
15th Jul 2025295 AMAQI

18°C16/19°C

15th Jul 2025316 AMAQI
15th Jul 2025307 AMAQI
15th Jul 2025298 AMAQI
15th Jul 2025299 AMAQI
15th Jul 20252810 AMAQI
15th Jul 20253011 AMAQI
15th Jul 20252912 PMAQI
15th Jul 2025311 PMAQI
15th Jul 2025312 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 2025282 AMAQI
16th Jul 2025343 AMAQI
16th Jul 2025404 AMAQI
16th Jul 2025445 AMAQI

17°C16/19°C

16th Jul 2025466 AMAQI
16th Jul 2025407 AMAQI
16th Jul 2025358 AMAQI
16th Jul 2025339 AMAQI
16th Jul 20253210 AMAQI
16th Jul 20253111 AMAQI
16th Jul 20253012 PMAQI
16th Jul 2025301 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025335 PMAQI
16th Jul 2025326 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025328 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253410 PMAQI
16th Jul 20253411 PMAQI
17th Jul 20253312 AMAQI
17th Jul 2025341 AMAQI
17th Jul 2025322 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025314 AMAQI
17th Jul 2025325 AMAQI

18°C16/19°C

17th Jul 2025366 AMAQI
17th Jul 2025347 AMAQI
17th Jul 2025398 AMAQI
17th Jul 2025499 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253211 AMAQI
17th Jul 20253012 PMAQI
17th Jul 2025281 PMAQI
17th Jul 2025302 PMAQI
17th Jul 2025303 PMAQI
17th Jul 2025344 PMAQI
17th Jul 2025315 PMAQI
17th Jul 2025326 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025319 PMAQI
17th Jul 20253210 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253212 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025252 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025254 AMAQI
18th Jul 2025275 AMAQI

18°C16/20°C

18th Jul 2025256 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025309 AMAQI
18th Jul 20253010 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253012 PMAQI
18th Jul 2025271 PMAQI
18th Jul 2025262 PMAQI
18th Jul 2025243 PMAQI
18th Jul 2025254 PMAQI
18th Jul 2025295 PMAQI
18th Jul 2025256 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025258 PMAQI
18th Jul 2025279 PMAQI
18th Jul 20252810 PMAQI
18th Jul 20253011 PMAQI
19th Jul 20253112 AMAQI
19th Jul 2025301 AMAQI
19th Jul 2025352 AMAQI
19th Jul 2025433 AMAQI
19th Jul 2025484 AMAQI
19th Jul 2025455 AMAQI

20°C17/23°C

19th Jul 2025446 AMAQI
19th Jul 2025407 AMAQI
19th Jul 2025418 AMAQI
19th Jul 2025419 AMAQI
19th Jul 20253710 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253612 PMAQI
19th Jul 2025411 PMAQI
19th Jul 2025422 PMAQI
19th Jul 2025473 PMAQI
19th Jul 2025494 PMAQI
19th Jul 2025535 PMAQI
19th Jul 2025546 PMAQI
19th Jul 2025507 PMAQI
19th Jul 2025448 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253911 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 2025207 AMAQI
20th Jul 2025218 AMAQI
20th Jul 2025199 AMAQI
20th Jul 20251710 AMAQI
20th Jul 20251711 AMAQI
20th Jul 20251712 PMAQI
20th Jul 2025201 PMAQI
20th Jul 2025222 PMAQI
20th Jul 2025203 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025195 PMAQI
20th Jul 2025216 PMAQI
20th Jul 2025217 PMAQI
20th Jul 2025228 PMAQI
20th Jul 2025229 PMAQI
20th Jul 20252310 PMAQI
20th Jul 20252211 PMAQI
21st Jul 20252212 AMAQI
21st Jul 2025241 AMAQI
21st Jul 2025182 AMAQI
21st Jul 2025163 AMAQI
21st Jul 2025164 AMAQI
21st Jul 2025185 AMAQI

18°C16/19°C

21st Jul 2025206 AMAQI
21st Jul 2025227 AMAQI
21st Jul 2025248 AMAQI
21st Jul 2025189 AMAQI
21st Jul 20251910 AMAQI
21st Jul 20251811 AMAQI
21st Jul 20251612 PMAQI
21st Jul 2025171 PMAQI
21st Jul 2025182 PMAQI
21st Jul 2025173 PMAQI
21st Jul 2025174 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025176 PMAQI
21st Jul 2025187 PMAQI
21st Jul 2025208 PMAQI
21st Jul 2025219 PMAQI
21st Jul 20251910 PMAQI
21st Jul 20251911 PMAQI
22nd Jul 20252012 AMAQI
22nd Jul 2025201 AMAQI
22nd Jul 2025202 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025184 AMAQI
22nd Jul 2025195 AMAQI

17°C15/18°C

22nd Jul 2025206 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025178 AMAQI
22nd Jul 2025179 AMAQI
22nd Jul 20251710 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20251912 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025202 PMAQI
22nd Jul 2025203 PMAQI
22nd Jul 2025214 PMAQI
22nd Jul 2025215 PMAQI
22nd Jul 2025246 PMAQI
22nd Jul 2025257 PMAQI
22nd Jul 2025238 PMAQI
22nd Jul 2025219 PMAQI
22nd Jul 20252010 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20252012 AMAQI
23rd Jul 2025191 AMAQI
23rd Jul 2025212 AMAQI
23rd Jul 2025203 AMAQI
23rd Jul 2025204 AMAQI
23rd Jul 2025205 AMAQI

18°C16/20°C

23rd Jul 2025226 AMAQI
23rd Jul 2025227 AMAQI
23rd Jul 2025228 AMAQI
23rd Jul 2025239 AMAQI
23rd Jul 20252410 AMAQI
23rd Jul 20252411 AMAQI
23rd Jul 20252412 PMAQI
23rd Jul 2025241 PMAQI
23rd Jul 2025232 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025275 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025249 PMAQI
23rd Jul 20252310 PMAQI
23rd Jul 20252211 PMAQI
24th Jul 20252212 AMAQI
24th Jul 2025221 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025383 AMAQI
24th Jul 2025394 AMAQI
24th Jul 2025375 AMAQI

18°C16/19°C

24th Jul 2025396 AMAQI
24th Jul 2025397 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025529 AMAQI
24th Jul 20255510 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254212 PMAQI
24th Jul 2025421 PMAQI
24th Jul 2025352 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025384 PMAQI
24th Jul 2025375 PMAQI
24th Jul 2025336 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025288 PMAQI
24th Jul 2025329 PMAQI
24th Jul 20253410 PMAQI
24th Jul 20253411 PMAQI
25th Jul 20253412 AMAQI
25th Jul 2025341 AMAQI
25th Jul 2025242 AMAQI
25th Jul 2025223 AMAQI
25th Jul 2025294 AMAQI
25th Jul 2025365 AMAQI

18°C16/19°C

25th Jul 2025366 AMAQI
25th Jul 2025357 AMAQI
25th Jul 2025318 AMAQI
25th Jul 2025309 AMAQI
25th Jul 20252410 AMAQI
25th Jul 20252011 AMAQI
25th Jul 20252112 PMAQI
25th Jul 2025231 PMAQI
25th Jul 2025302 PMAQI
25th Jul 2025303 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 20253010 PMAQI
25th Jul 20253011 PMAQI
26th Jul 20253112 AMAQI
26th Jul 2025311 AMAQI
26th Jul 2025442 AMAQI
26th Jul 2025533 AMAQI
26th Jul 2025554 AMAQI
26th Jul 2025555 AMAQI

19°C17/20°C

26th Jul 2025546 AMAQI
26th Jul 2025547 AMAQI
26th Jul 2025548 AMAQI
26th Jul 2025569 AMAQI
26th Jul 20255610 AMAQI
26th Jul 20255411 AMAQI
26th Jul 20255212 PMAQI
26th Jul 2025511 PMAQI
26th Jul 2025502 PMAQI
26th Jul 2025443 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025395 PMAQI
26th Jul 2025366 PMAQI
26th Jul 2025347 PMAQI
26th Jul 2025338 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254911 PMAQI
27th Jul 20254712 AMAQI
27th Jul 2025481 AMAQI
27th Jul 2025432 AMAQI
27th Jul 2025293 AMAQI
27th Jul 2025254 AMAQI
27th Jul 2025175 AMAQI

18°C17/20°C

27th Jul 2025166 AMAQI
27th Jul 2025177 AMAQI
27th Jul 2025208 AMAQI
27th Jul 2025189 AMAQI
27th Jul 20251710 AMAQI
27th Jul 20251811 AMAQI
27th Jul 20251812 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025272 PMAQI
27th Jul 2025283 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025286 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025268 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 2025273 AMAQI
28th Jul 2025284 AMAQI
28th Jul 2025295 AMAQI

18°C17/19°C

28th Jul 2025276 AMAQI
28th Jul 2025267 AMAQI
28th Jul 2025278 AMAQI
28th Jul 2025299 AMAQI
28th Jul 20252910 AMAQI
28th Jul 20253111 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025311 PMAQI
28th Jul 2025292 PMAQI
28th Jul 2025283 PMAQI
28th Jul 2025294 PMAQI
28th Jul 2025315 PMAQI
28th Jul 2025326 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20252910 PMAQI
28th Jul 20252911 PMAQI
29th Jul 20253012 AMAQI
29th Jul 2025291 AMAQI
29th Jul 2025392 AMAQI
29th Jul 2025443 AMAQI
29th Jul 2025444 AMAQI
29th Jul 2025455 AMAQI

18°C16/19°C

29th Jul 2025466 AMAQI
29th Jul 2025487 AMAQI
29th Jul 2025468 AMAQI
29th Jul 2025489 AMAQI
29th Jul 20254810 AMAQI
29th Jul 20254811 AMAQI
29th Jul 20252912 PMAQI
29th Jul 2025291 PMAQI
29th Jul 2025322 PMAQI
29th Jul 2025313 PMAQI
29th Jul 2025324 PMAQI
29th Jul 2025325 PMAQI
29th Jul 2025326 PMAQI
29th Jul 2025327 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025359 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20253811 PMAQI
30th Jul 20253812 AMAQI
30th Jul 2025391 AMAQI
30th Jul 2025372 AMAQI
30th Jul 2025253 AMAQI
30th Jul 2025254 AMAQI
30th Jul 2025275 AMAQI

18°C16/19°C

30th Jul 2025306 AMAQI
30th Jul 2025337 AMAQI
30th Jul 2025378 AMAQI
30th Jul 2025399 AMAQI
30th Jul 20254010 AMAQI
30th Jul 20253611 AMAQI
30th Jul 20253112 PMAQI
30th Jul 2025311 PMAQI
30th Jul 2025312 PMAQI
30th Jul 2025273 PMAQI
30th Jul 2025254 PMAQI
30th Jul 2025255 PMAQI
30th Jul 2025266 PMAQI
30th Jul 2025297 PMAQI
30th Jul 2025278 PMAQI
30th Jul 2025299 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 2025317 AMAQI
31st Jul 2025258 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252310 AMAQI
31st Jul 20252311 AMAQI
31st Jul 20252312 PMAQI
31st Jul 2025251 PMAQI
31st Jul 2025232 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025224 PMAQI
31st Jul 2025235 PMAQI
31st Jul 2025226 PMAQI
31st Jul 2025217 PMAQI
31st Jul 2025228 PMAQI
31st Jul 2025239 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252211 PMAQI
1st Aug 20252112 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025202 AMAQI
1st Aug 2025213 AMAQI
1st Aug 2025204 AMAQI
1st Aug 2025215 AMAQI

18°C17/19°C

1st Aug 2025206 AMAQI
1st Aug 2025247 AMAQI
1st Aug 2025248 AMAQI
1st Aug 2025289 AMAQI
1st Aug 20252410 AMAQI
1st Aug 20252311 AMAQI
1st Aug 20252212 PMAQI
1st Aug 2025221 PMAQI
1st Aug 2025232 PMAQI
1st Aug 2025233 PMAQI
1st Aug 2025224 PMAQI
1st Aug 2025205 PMAQI
1st Aug 2025206 PMAQI
1st Aug 2025207 PMAQI
1st Aug 2025218 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025212 AMAQI
2nd Aug 2025203 AMAQI
2nd Aug 2025204 AMAQI
2nd Aug 2025215 AMAQI

17°C16/19°C

2nd Aug 2025206 AMAQI
6 AM
2nd Aug 2025207 AMAQI
2nd Aug 2025198 AMAQI
2nd Aug 2025249 AMAQI
2nd Aug 20252110 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20252212 PMAQI
2nd Aug 2025221 PMAQI
1 PM
2nd Aug 2025222 PMAQI
2nd Aug 2025203 PMAQI
9 PM
1 AM
5 AM

--°C/°C

Day time
Avg. Highest Time
6 AM - 9 PM

29AQI

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

29AQI

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. 29), while the lowest AQI was between 6 AM to 9 PM (Avg. 29).
Night time
Avg. Highest Time
12 AM - 11 PM

29AQI

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

29AQI

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. 29), while the lowest AQI was between 12 AM to 11 PM (Avg. 29).

2025 Days Vs Air Quality

Calais, Hauts De France, France

2025

64%

136

33%

70

3%

7

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
136 Days
Moderate
70 Days
Poor
7 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 64%

Health Risk Level:

Moderate

In 2025, 64% of 214 days were within WHO’s safe air quality limits, and 36% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.

Annual Air Quality Insights

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
31AQI
4th January 2025
48AQI
5th January 2025
35AQI
6th January 2025
26AQI
7th January 2025
25AQI
8th January 2025
38AQI
9th January 2025
31AQI
10th January 2025
55AQI
11th January 2025
73AQI
12th January 2025
60AQI
13th January 2025
80AQI
14th January 2025
77AQI
15th January 2025
71AQI
16th January 2025
77AQI
17th January 2025
77AQI
18th January 2025
73AQI
19th January 2025
77AQI
20th January 2025
91AQI
21st January 2025
79AQI
22nd January 2025
84AQI
23rd January 2025
58AQI
24th January 2025
42AQI
25th January 2025
36AQI
26th January 2025
33AQI
27th January 2025
30AQI
28th January 2025
31AQI
29th January 2025
29AQI
30th January 2025
29AQI
31st January 2025
37AQI
1st February 2025
61AQI
2nd February 2025
93AQI
3rd February 2025
95AQI
4th February 2025
64AQI
5th February 2025
59AQI
6th February 2025
54AQI
7th February 2025
56AQI
8th February 2025
70AQI
9th February 2025
52AQI
10th February 2025
117AQI
11th February 2025
118AQI
12th February 2025
71AQI
13th February 2025
81AQI
14th February 2025
99AQI
15th February 2025
121AQI
16th February 2025
79AQI
17th February 2025
76AQI
18th February 2025
86AQI
19th February 2025
92AQI
20th February 2025
64AQI
21st February 2025
55AQI
22nd February 2025
51AQI
23rd February 2025
44AQI
24th February 2025
31AQI
25th February 2025
45AQI
26th February 2025
34AQI
27th February 2025
28AQI
28th February 2025
36AQI
1st March 2025
37AQI
2nd March 2025
77AQI
3rd March 2025
114AQI
4th March 2025
129AQI
5th March 2025
125AQI
6th March 2025
94AQI
7th March 2025
55AQI
8th March 2025
66AQI
9th March 2025
84AQI
10th March 2025
132AQI
11th March 2025
75AQI
12th March 2025
40AQI
13th March 2025
30AQI
14th March 2025
30AQI
15th March 2025
35AQI
16th March 2025
45AQI
17th March 2025
39AQI
18th March 2025
50AQI
19th March 2025
72AQI
20th March 2025
79AQI
21st March 2025
63AQI
22nd March 2025
53AQI
23rd March 2025
54AQI
24th March 2025
83AQI
25th March 2025
97AQI
26th March 2025
60AQI
27th March 2025
65AQI
28th March 2025
52AQI
29th March 2025
31AQI
30th March 2025
40AQI
31st March 2025
30AQI
1st April 2025
46AQI
2nd April 2025
51AQI
3rd April 2025
59AQI
4th April 2025
72AQI
5th April 2025
68AQI
6th April 2025
40AQI
7th April 2025
41AQI
8th April 2025
57AQI
9th April 2025
34AQI
10th April 2025
28AQI
11th April 2025
59AQI
12th April 2025
69AQI
13th April 2025
48AQI
14th April 2025
34AQI
15th April 2025
54AQI
16th April 2025
21AQI
17th April 2025
44AQI
18th April 2025
47AQI
19th April 2025
52AQI
20th April 2025
46AQI
21st April 2025
56AQI
22nd April 2025
41AQI
23rd April 2025
25AQI
24th April 2025
46AQI
25th April 2025
45AQI
26th April 2025
64AQI
27th April 2025
54AQI
28th April 2025
53AQI
29th April 2025
62AQI
30th April 2025
64AQI
1st May 2025
75AQI
2nd May 2025
65AQI
3rd May 2025
51AQI
4th May 2025
24AQI
5th May 2025
24AQI
6th May 2025
23AQI
7th May 2025
24AQI
8th May 2025
35AQI
9th May 2025
37AQI
10th May 2025
40AQI
11th May 2025
38AQI
12th May 2025
33AQI
13th May 2025
46AQI
14th May 2025
51AQI
15th May 2025
47AQI
16th May 2025
40AQI
17th May 2025
38AQI
18th May 2025
44AQI
19th May 2025
43AQI
20th May 2025
33AQI
21st May 2025
45AQI
22nd May 2025
36AQI
23rd May 2025
26AQI
24th May 2025
31AQI
25th May 2025
28AQI
26th May 2025
33AQI
27th May 2025
26AQI
28th May 2025
31AQI
29th May 2025
34AQI
30th May 2025
21AQI
31st May 2025
26AQI
1st June 2025
34AQI
2nd June 2025
28AQI
3rd June 2025
27AQI
4th June 2025
24AQI
5th June 2025
19AQI
6th June 2025
24AQI
7th June 2025
20AQI
8th June 2025
22AQI
9th June 2025
49AQI
10th June 2025
51AQI
11th June 2025
38AQI
12th June 2025
45AQI
13th June 2025
53AQI
14th June 2025
46AQI
15th June 2025
33AQI
16th June 2025
36AQI
17th June 2025
34AQI
18th June 2025
37AQI
19th June 2025
43AQI
20th June 2025
44AQI
21st June 2025
37AQI
22nd June 2025
35AQI
23rd June 2025
31AQI
24th June 2025
32AQI
25th June 2025
24AQI
26th June 2025
27AQI
27th June 2025
29AQI
28th June 2025
20AQI
29th June 2025
20AQI
30th June 2025
29AQI
1st July 2025
46AQI
2nd July 2025
43AQI
3rd July 2025
29AQI
4th July 2025
26AQI
5th July 2025
26AQI
6th July 2025
20AQI
7th July 2025
22AQI
8th July 2025
26AQI
9th July 2025
28AQI
10th July 2025
28AQI
11th July 2025
29AQI
12th July 2025
24AQI
13th July 2025
28AQI
14th July 2025
42AQI
15th July 2025
34AQI
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
36AQI
25th July 2025
29AQI
26th July 2025
46AQI
27th July 2025
27AQI
28th July 2025
29AQI
29th July 2025
38AQI
30th July 2025
31AQI
31st July 2025
25AQI
1st August 2025
22AQI

51AQI

69AQI

66AQI

49AQI

37AQI

33AQI

30AQI

22AQI

No. of days

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

202548AQI

17
14
6
19
3
11
16
4
15
15
27
4
28
2
31
1
136
70
7

Highest AQI recorded in

February

69AQI

Lowest AQI recorded in

August

22AQI

202440AQI

16
15
23
6
25
5
1
29
1
25
6
23
7
28
3
27
4
24
4
2
27
4
17
13
23
8
287
76
3

Highest AQI recorded in

January

55AQI

Lowest AQI recorded in

April

31AQI

202338AQI

26
5
18
7
3
29
2
20
10
25
6
25
5
28
1
30
1
22
6
2
28
3
26
3
26
5
303
54
5

Highest AQI recorded in

February

53AQI

Lowest AQI recorded in

July

27AQI

202239AQI

22
8
1
22
9
15
6
24
6
28
2
21
3
23
2
5
29
30
1
26
4
19
11
1
258
52
8

Highest AQI recorded in

March

69AQI

Lowest AQI recorded in

August

29AQI

202134AQI

18
26
2
27
4
28
29
2
26
4
27
4
31
21
7
29
2
27
3
25
6
314
34

Highest AQI recorded in

September

43AQI

Lowest AQI recorded in

January

27AQI

202026AQI

13
21
18
30
31
29
2
28
30
28
2
18
246
4

Highest AQI recorded in

April

32AQI

Lowest AQI recorded in

July

21AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
48AQI
Least Polluted Year Recorded
2020(Avg.)
26AQI

Calais's annual 2025 AQI (48) shows an average percentage change of 38.04% (worsened AQI) compared to previous years: 2020 (26), 2021 (34), 2022 (39), 2023 (38), 2024 (40).