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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+

October 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
9th Oct 2021
92AQI
Lowest AQI recorded on
27th Oct 2022
17AQI

Same Day Analysis (12th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 66 of Moderate air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 12th Oct - 13th Oct 2025

Calais Berthelot, Calais, Hauts De France, France

AQI
Day
Night
.

7 AM12th Oct 2025

7 PM

6 AM13th Oct 2025

Day time
Avg. Highest Time
2PM12th Oct

87AQI

Avg. Lowest Time
7PM12th Oct

56AQI

Night time
Avg. Highest Time
7AM12th Oct

67AQI

Avg. Lowest Time
6AM13th Oct

25AQI

In the last 24 hours,

Calais Berthelot's AQI reached its highest point of 87 at 2 PM during the Day, while the lowest point, 25, was recorded at 6 AM during the Night between 12th Oct and 13th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Calais Berthelot, Calais, Hauts De France, France

SepOct
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th
Day
Night
13th Sep 2025177 AMAQI
13th Sep 2025198 AMAQI
13th Sep 2025189 AMAQI
13th Sep 20251710 AMAQI
13th Sep 20251911 AMAQI
13th Sep 20251912 PMAQI
13th Sep 2025191 PMAQI
13th Sep 2025192 PMAQI
13th Sep 2025193 PMAQI
13th Sep 2025194 PMAQI
13th Sep 2025165 PMAQI
13th Sep 2025186 PMAQI
13th Sep 2025187 PMAQI
13th Sep 2025188 PMAQI
13th Sep 2025189 PMAQI
13th Sep 20251810 PMAQI
13th Sep 20251811 PMAQI
14th Sep 20251812 AMAQI
14th Sep 2025181 AMAQI
14th Sep 2025202 AMAQI
14th Sep 2025203 AMAQI
14th Sep 2025204 AMAQI
14th Sep 2025185 AMAQI
14th Sep 2025186 AMAQI

16°C15/17°C

14th Sep 2025187 AMAQI
14th Sep 2025188 AMAQI
14th Sep 2025209 AMAQI
14th Sep 20252410 AMAQI
14th Sep 20252311 AMAQI
14th Sep 20252312 PMAQI
14th Sep 2025221 PMAQI
14th Sep 2025202 PMAQI
14th Sep 2025203 PMAQI
14th Sep 2025204 PMAQI
14th Sep 2025205 PMAQI
14th Sep 2025186 PMAQI
14th Sep 2025187 PMAQI
14th Sep 2025188 PMAQI
14th Sep 2025209 PMAQI
14th Sep 20251910 PMAQI
14th Sep 20252011 PMAQI
15th Sep 20252012 AMAQI
15th Sep 2025201 AMAQI
15th Sep 2025172 AMAQI
15th Sep 2025183 AMAQI
15th Sep 2025174 AMAQI
15th Sep 2025235 AMAQI
15th Sep 2025236 AMAQI

16°C14/18°C

15th Sep 2025417 AMAQI
15th Sep 2025408 AMAQI
15th Sep 2025409 AMAQI
15th Sep 20254610 AMAQI
15th Sep 20254411 AMAQI
15th Sep 20254612 PMAQI
15th Sep 2025361 PMAQI
15th Sep 2025302 PMAQI
15th Sep 2025283 PMAQI
15th Sep 2025284 PMAQI
15th Sep 2025265 PMAQI
15th Sep 2025286 PMAQI
15th Sep 2025317 PMAQI
15th Sep 2025308 PMAQI
15th Sep 2025319 PMAQI
15th Sep 20252910 PMAQI
15th Sep 20252911 PMAQI
16th Sep 20252812 AMAQI
16th Sep 2025281 AMAQI
16th Sep 2025292 AMAQI
16th Sep 2025343 AMAQI
16th Sep 2025274 AMAQI
16th Sep 2025325 AMAQI
16th Sep 2025346 AMAQI

16°C15/17°C

16th Sep 2025307 AMAQI
16th Sep 2025278 AMAQI
16th Sep 2025279 AMAQI
16th Sep 20252910 AMAQI
16th Sep 20252711 AMAQI
16th Sep 20252612 PMAQI
16th Sep 2025241 PMAQI
16th Sep 2025242 PMAQI
16th Sep 2025253 PMAQI
16th Sep 2025244 PMAQI
16th Sep 2025255 PMAQI
16th Sep 2025286 PMAQI
16th Sep 2025267 PMAQI
16th Sep 2025268 PMAQI
16th Sep 2025289 PMAQI
16th Sep 20252810 PMAQI
16th Sep 20252811 PMAQI
17th Sep 20252812 AMAQI
17th Sep 2025291 AMAQI
17th Sep 2025282 AMAQI
17th Sep 2025263 AMAQI
17th Sep 2025234 AMAQI
17th Sep 2025255 AMAQI
17th Sep 2025216 AMAQI

16°C15/17°C

17th Sep 2025197 AMAQI
17th Sep 2025198 AMAQI
17th Sep 2025189 AMAQI
17th Sep 20252010 AMAQI
17th Sep 20252211 AMAQI
17th Sep 20252312 PMAQI
17th Sep 2025221 PMAQI
17th Sep 2025242 PMAQI
17th Sep 2025223 PMAQI
17th Sep 2025234 PMAQI
17th Sep 2025245 PMAQI
17th Sep 2025236 PMAQI
17th Sep 2025237 PMAQI
17th Sep 2025248 PMAQI
17th Sep 2025229 PMAQI
17th Sep 20252310 PMAQI
17th Sep 20252411 PMAQI
18th Sep 20252312 AMAQI
18th Sep 2025231 AMAQI
18th Sep 2025232 AMAQI
18th Sep 2025233 AMAQI
18th Sep 2025234 AMAQI
18th Sep 2025185 AMAQI
18th Sep 2025186 AMAQI

17°C15/18°C

18th Sep 2025187 AMAQI
18th Sep 2025178 AMAQI
18th Sep 2025169 AMAQI
18th Sep 20251610 AMAQI
18th Sep 20251711 AMAQI
18th Sep 20251912 PMAQI
18th Sep 2025201 PMAQI
18th Sep 2025212 PMAQI
18th Sep 2025193 PMAQI
18th Sep 2025194 PMAQI
18th Sep 2025205 PMAQI
18th Sep 2025206 PMAQI
18th Sep 2025197 PMAQI
18th Sep 2025188 PMAQI
18th Sep 2025189 PMAQI
18th Sep 20251810 PMAQI
18th Sep 20251811 PMAQI
19th Sep 20251912 AMAQI
19th Sep 2025201 AMAQI
19th Sep 2025162 AMAQI
19th Sep 2025163 AMAQI
19th Sep 2025174 AMAQI
19th Sep 2025195 AMAQI
19th Sep 2025206 AMAQI

18°C17/19°C

19th Sep 2025227 AMAQI
19th Sep 2025248 AMAQI
19th Sep 2025269 AMAQI
19th Sep 20253110 AMAQI
19th Sep 20253211 AMAQI
19th Sep 20253112 PMAQI
19th Sep 2025261 PMAQI
19th Sep 2025222 PMAQI
19th Sep 2025223 PMAQI
19th Sep 2025224 PMAQI
19th Sep 2025225 PMAQI
19th Sep 2025216 PMAQI
19th Sep 2025227 PMAQI
19th Sep 2025228 PMAQI
19th Sep 2025229 PMAQI
19th Sep 20252210 PMAQI
19th Sep 20252411 PMAQI
20th Sep 20252412 AMAQI
20th Sep 2025231 AMAQI
20th Sep 2025282 AMAQI
20th Sep 2025323 AMAQI
20th Sep 2025314 AMAQI
20th Sep 2025315 AMAQI
20th Sep 2025296 AMAQI

19°C16/23°C

20th Sep 2025317 AMAQI
20th Sep 2025308 AMAQI
20th Sep 2025329 AMAQI
20th Sep 20253410 AMAQI
20th Sep 20253211 AMAQI
20th Sep 20253412 PMAQI
20th Sep 2025331 PMAQI
20th Sep 2025322 PMAQI
20th Sep 2025323 PMAQI
20th Sep 2025324 PMAQI
20th Sep 2025295 PMAQI
20th Sep 2025286 PMAQI
20th Sep 2025287 PMAQI
20th Sep 2025298 PMAQI
20th Sep 2025299 PMAQI
20th Sep 20253010 PMAQI
20th Sep 20252911 PMAQI
21st Sep 20253012 AMAQI
21st Sep 2025271 AMAQI
21st Sep 2025282 AMAQI
21st Sep 2025233 AMAQI
21st Sep 2025224 AMAQI
21st Sep 2025225 AMAQI
21st Sep 2025226 AMAQI

19°C16/20°C

21st Sep 2025237 AMAQI
21st Sep 2025208 AMAQI
21st Sep 2025179 AMAQI
21st Sep 20251510 AMAQI
21st Sep 20251411 AMAQI
21st Sep 20251612 PMAQI
21st Sep 2025181 PMAQI
21st Sep 2025222 PMAQI
21st Sep 2025243 PMAQI
21st Sep 2025234 PMAQI
21st Sep 2025215 PMAQI
21st Sep 2025226 PMAQI
21st Sep 2025227 PMAQI
21st Sep 2025248 PMAQI
21st Sep 2025239 PMAQI
21st Sep 20252210 PMAQI
21st Sep 20252211 PMAQI
22nd Sep 20252112 AMAQI
22nd Sep 2025231 AMAQI
22nd Sep 2025202 AMAQI
22nd Sep 2025173 AMAQI
22nd Sep 2025194 AMAQI
22nd Sep 2025165 AMAQI
22nd Sep 2025186 AMAQI

14°C12/15°C

22nd Sep 2025187 AMAQI
22nd Sep 2025168 AMAQI
22nd Sep 2025189 AMAQI
22nd Sep 20252110 AMAQI
22nd Sep 20252011 AMAQI
22nd Sep 20251912 PMAQI
22nd Sep 2025201 PMAQI
22nd Sep 2025202 PMAQI
22nd Sep 2025193 PMAQI
22nd Sep 2025204 PMAQI
22nd Sep 2025205 PMAQI
22nd Sep 2025206 PMAQI
22nd Sep 2025207 PMAQI
22nd Sep 2025198 PMAQI
22nd Sep 2025189 PMAQI
22nd Sep 20251810 PMAQI
22nd Sep 20251811 PMAQI
23rd Sep 20251812 AMAQI
23rd Sep 2025181 AMAQI
23rd Sep 2025172 AMAQI
23rd Sep 2025183 AMAQI
23rd Sep 2025174 AMAQI
23rd Sep 2025185 AMAQI
23rd Sep 2025166 AMAQI

14°C13/15°C

23rd Sep 2025167 AMAQI
23rd Sep 2025188 AMAQI
23rd Sep 2025189 AMAQI
23rd Sep 20251810 AMAQI
23rd Sep 20252111 AMAQI
23rd Sep 20251912 PMAQI
23rd Sep 2025191 PMAQI
23rd Sep 2025192 PMAQI
23rd Sep 2025163 PMAQI
23rd Sep 2025164 PMAQI
23rd Sep 2025155 PMAQI
23rd Sep 2025166 PMAQI
23rd Sep 2025187 PMAQI
23rd Sep 2025178 PMAQI
23rd Sep 2025189 PMAQI
23rd Sep 20251810 PMAQI
23rd Sep 20251711 PMAQI
24th Sep 20251812 AMAQI
24th Sep 2025181 AMAQI
24th Sep 2025182 AMAQI
24th Sep 2025163 AMAQI
24th Sep 2025164 AMAQI
24th Sep 2025165 AMAQI
24th Sep 2025146 AMAQI

14°C13/16°C

24th Sep 2025157 AMAQI
24th Sep 2025148 AMAQI
24th Sep 2025169 AMAQI
24th Sep 20251710 AMAQI
24th Sep 20251811 AMAQI
24th Sep 20251712 PMAQI
24th Sep 2025171 PMAQI
24th Sep 2025172 PMAQI
24th Sep 2025163 PMAQI
24th Sep 2025174 PMAQI
24th Sep 2025165 PMAQI
24th Sep 2025176 PMAQI
24th Sep 2025187 PMAQI
24th Sep 2025178 PMAQI
24th Sep 2025179 PMAQI
24th Sep 20251710 PMAQI
24th Sep 20251811 PMAQI
25th Sep 20251712 AMAQI
25th Sep 2025171 AMAQI
25th Sep 2025162 AMAQI
25th Sep 2025173 AMAQI
25th Sep 2025184 AMAQI
25th Sep 2025185 AMAQI
25th Sep 2025216 AMAQI

15°C13/16°C

25th Sep 2025257 AMAQI
25th Sep 2025288 AMAQI
25th Sep 2025289 AMAQI
25th Sep 20252810 AMAQI
25th Sep 20252811 AMAQI
25th Sep 20252812 PMAQI
25th Sep 2025261 PMAQI
25th Sep 2025282 PMAQI
25th Sep 2025283 PMAQI
25th Sep 2025284 PMAQI
25th Sep 2025285 PMAQI
25th Sep 2025286 PMAQI
25th Sep 2025277 PMAQI
25th Sep 2025288 PMAQI
25th Sep 2025289 PMAQI
25th Sep 20252810 PMAQI
25th Sep 20252811 PMAQI
26th Sep 20252812 AMAQI
26th Sep 2025271 AMAQI
26th Sep 2025312 AMAQI
26th Sep 2025363 AMAQI
26th Sep 2025284 AMAQI
26th Sep 2025285 AMAQI
26th Sep 2025336 AMAQI

14°C13/15°C

26th Sep 2025407 AMAQI
26th Sep 2025428 AMAQI
26th Sep 2025509 AMAQI
26th Sep 20255310 AMAQI
26th Sep 20255511 AMAQI
26th Sep 20255312 PMAQI
26th Sep 2025531 PMAQI
26th Sep 2025572 PMAQI
26th Sep 2025633 PMAQI
26th Sep 2025494 PMAQI
26th Sep 2025375 PMAQI
26th Sep 2025406 PMAQI
26th Sep 2025447 PMAQI
26th Sep 2025448 PMAQI
26th Sep 2025479 PMAQI
26th Sep 20255310 PMAQI
26th Sep 20255511 PMAQI
27th Sep 20255712 AMAQI
27th Sep 2025591 AMAQI
27th Sep 2025572 AMAQI
27th Sep 2025543 AMAQI
27th Sep 2025504 AMAQI
27th Sep 2025505 AMAQI
27th Sep 2025506 AMAQI

13°C11/15°C

27th Sep 2025507 AMAQI
27th Sep 2025508 AMAQI
27th Sep 2025509 AMAQI
27th Sep 20255010 AMAQI
27th Sep 20255111 AMAQI
27th Sep 20255012 PMAQI
27th Sep 2025501 PMAQI
27th Sep 2025632 PMAQI
27th Sep 2025653 PMAQI
27th Sep 2025644 PMAQI
27th Sep 2025645 PMAQI
27th Sep 2025626 PMAQI
27th Sep 2025617 PMAQI
27th Sep 2025628 PMAQI
27th Sep 2025619 PMAQI
27th Sep 20256210 PMAQI
27th Sep 20256211 PMAQI
28th Sep 20256212 AMAQI
28th Sep 2025621 AMAQI
28th Sep 2025622 AMAQI
28th Sep 2025623 AMAQI
28th Sep 2025624 AMAQI
28th Sep 2025625 AMAQI
28th Sep 2025616 AMAQI

14°C11/17°C

28th Sep 2025607 AMAQI
28th Sep 2025608 AMAQI
28th Sep 2025609 AMAQI
28th Sep 20256010 AMAQI
28th Sep 20256011 AMAQI
28th Sep 20256112 PMAQI
28th Sep 2025601 PMAQI
28th Sep 2025602 PMAQI
28th Sep 2025583 PMAQI
28th Sep 2025584 PMAQI
28th Sep 2025585 PMAQI
28th Sep 2025586 PMAQI
28th Sep 2025427 PMAQI
28th Sep 2025178 PMAQI
28th Sep 2025179 PMAQI
28th Sep 20251710 PMAQI
28th Sep 20251711 PMAQI
29th Sep 20251712 AMAQI
29th Sep 2025271 AMAQI
29th Sep 2025282 AMAQI
29th Sep 2025483 AMAQI
29th Sep 2025504 AMAQI
29th Sep 2025505 AMAQI
29th Sep 2025456 AMAQI

14°C11/16°C

29th Sep 2025527 AMAQI
29th Sep 2025568 AMAQI
29th Sep 2025569 AMAQI
29th Sep 20256110 AMAQI
29th Sep 20256211 AMAQI
29th Sep 20255612 PMAQI
29th Sep 2025651 PMAQI
29th Sep 2025482 PMAQI
29th Sep 2025443 PMAQI
29th Sep 2025444 PMAQI
29th Sep 2025465 PMAQI
29th Sep 2025286 PMAQI
29th Sep 2025247 PMAQI
29th Sep 2025248 PMAQI
29th Sep 2025289 PMAQI
29th Sep 20252410 PMAQI
29th Sep 20253111 PMAQI
30th Sep 20252812 AMAQI
30th Sep 2025321 AMAQI
30th Sep 2025382 AMAQI
30th Sep 2025423 AMAQI
30th Sep 2025394 AMAQI
30th Sep 2025355 AMAQI
30th Sep 2025366 AMAQI

15°C14/16°C

30th Sep 2025347 AMAQI
30th Sep 2025228 AMAQI
30th Sep 2025239 AMAQI
30th Sep 20252310 AMAQI
30th Sep 20252811 AMAQI
30th Sep 20253512 PMAQI
30th Sep 2025391 PMAQI
30th Sep 2025532 PMAQI
30th Sep 2025503 PMAQI
30th Sep 2025524 PMAQI
30th Sep 2025505 PMAQI
30th Sep 2025466 PMAQI
30th Sep 2025307 PMAQI
30th Sep 2025238 PMAQI
30th Sep 2025189 PMAQI
30th Sep 20252910 PMAQI
30th Sep 20253811 PMAQI
1st Oct 20253212 AMAQI
1st Oct 2025341 AMAQI
1st Oct 2025362 AMAQI
1st Oct 2025393 AMAQI
1st Oct 2025384 AMAQI
1st Oct 2025435 AMAQI
1st Oct 2025456 AMAQI

14°C13/16°C

1st Oct 2025397 AMAQI
1st Oct 2025388 AMAQI
1st Oct 2025409 AMAQI
1st Oct 20254210 AMAQI
1st Oct 20254011 AMAQI
1st Oct 20254212 PMAQI
1st Oct 2025411 PMAQI
1st Oct 2025382 PMAQI
1st Oct 2025423 PMAQI
1st Oct 2025484 PMAQI
1st Oct 2025545 PMAQI
1st Oct 2025636 PMAQI
1st Oct 2025657 PMAQI
1st Oct 2025608 PMAQI
1st Oct 2025589 PMAQI
1st Oct 20255910 PMAQI
1st Oct 20256511 PMAQI
2nd Oct 20257812 AMAQI
2nd Oct 2025851 AMAQI
2nd Oct 2025782 AMAQI
2nd Oct 2025793 AMAQI
2nd Oct 2025804 AMAQI
2nd Oct 2025765 AMAQI
2nd Oct 2025806 AMAQI

14°C12/16°C

2nd Oct 2025637 AMAQI
2nd Oct 2025738 AMAQI
2nd Oct 2025729 AMAQI
2nd Oct 20257510 AMAQI
2nd Oct 20257611 AMAQI
2nd Oct 20257812 PMAQI
2nd Oct 2025691 PMAQI
2nd Oct 2025712 PMAQI
2nd Oct 2025693 PMAQI
2nd Oct 2025644 PMAQI
2nd Oct 2025605 PMAQI
2nd Oct 2025596 PMAQI
2nd Oct 2025587 PMAQI
2nd Oct 2025598 PMAQI
2nd Oct 2025629 PMAQI
2nd Oct 20255110 PMAQI
2nd Oct 20254811 PMAQI
3rd Oct 20254612 AMAQI
3rd Oct 2025521 AMAQI
3rd Oct 2025542 AMAQI
3rd Oct 2025443 AMAQI
3rd Oct 2025374 AMAQI
3rd Oct 2025425 AMAQI
3rd Oct 2025436 AMAQI

15°C12/18°C

3rd Oct 2025387 AMAQI
3rd Oct 2025378 AMAQI
3rd Oct 2025389 AMAQI
3rd Oct 20254410 AMAQI
3rd Oct 20254011 AMAQI
3rd Oct 20254112 PMAQI
3rd Oct 2025391 PMAQI
3rd Oct 2025462 PMAQI
3rd Oct 2025483 PMAQI
3rd Oct 2025454 PMAQI
3rd Oct 2025485 PMAQI
3rd Oct 2025486 PMAQI
3rd Oct 2025477 PMAQI
3rd Oct 2025388 PMAQI
3rd Oct 2025389 PMAQI
3rd Oct 20253710 PMAQI
3rd Oct 20253511 PMAQI
4th Oct 20254312 AMAQI
4th Oct 2025391 AMAQI
4th Oct 2025402 AMAQI
4th Oct 2025423 AMAQI
4th Oct 2025424 AMAQI
4th Oct 2025425 AMAQI
4th Oct 2025476 AMAQI

15°C14/15°C

4th Oct 2025527 AMAQI
4th Oct 2025528 AMAQI
4th Oct 2025259 AMAQI
4th Oct 20254210 AMAQI
4th Oct 20254511 AMAQI
4th Oct 20255712 PMAQI
4th Oct 2025501 PMAQI
4th Oct 2025442 PMAQI
4th Oct 2025463 PMAQI
4th Oct 2025464 PMAQI
4th Oct 2025465 PMAQI
4th Oct 2025456 PMAQI
4th Oct 2025417 PMAQI
4th Oct 2025428 PMAQI
4th Oct 2025449 PMAQI
4th Oct 20254210 PMAQI
4th Oct 20253811 PMAQI
5th Oct 20253812 AMAQI
5th Oct 2025451 AMAQI
5th Oct 2025442 AMAQI
5th Oct 2025463 AMAQI
5th Oct 2025524 AMAQI
5th Oct 2025465 AMAQI
5th Oct 2025526 AMAQI

15°C13/15°C

5th Oct 2025447 AMAQI
5th Oct 2025438 AMAQI
5th Oct 2025409 AMAQI
5th Oct 20253810 AMAQI
5th Oct 20254211 AMAQI
5th Oct 20254612 PMAQI
5th Oct 2025481 PMAQI
5th Oct 2025452 PMAQI
5th Oct 2025483 PMAQI
5th Oct 2025504 PMAQI
5th Oct 2025535 PMAQI
5th Oct 2025526 PMAQI
5th Oct 2025497 PMAQI
5th Oct 2025408 PMAQI
5th Oct 2025419 PMAQI
5th Oct 20254710 PMAQI
5th Oct 20255211 PMAQI
6th Oct 20254712 AMAQI
6th Oct 2025391 AMAQI
6th Oct 2025462 AMAQI
6th Oct 2025473 AMAQI
6th Oct 2025394 AMAQI
6th Oct 2025385 AMAQI
6th Oct 2025466 AMAQI

14°C13/16°C

6th Oct 2025447 AMAQI
6th Oct 2025488 AMAQI
6th Oct 2025469 AMAQI
6th Oct 20255110 AMAQI
6th Oct 20254211 AMAQI
6th Oct 20254012 PMAQI
6th Oct 2025401 PMAQI
6th Oct 2025462 PMAQI
6th Oct 2025443 PMAQI
6th Oct 2025444 PMAQI
6th Oct 2025485 PMAQI
6th Oct 2025466 PMAQI
6th Oct 2025377 PMAQI

14°C13/16°C

7th Oct 2025341 PMAQI
7th Oct 2025172 PMAQI
7th Oct 2025523 PMAQI
7th Oct 2025494 PMAQI
7th Oct 2025455 PMAQI
7th Oct 2025486 PMAQI
7th Oct 2025497 PMAQI
7th Oct 2025538 PMAQI
7th Oct 2025559 PMAQI
7th Oct 20255210 PMAQI
7th Oct 20255211 PMAQI
8th Oct 20255012 AMAQI
8th Oct 2025541 AMAQI
8th Oct 2025552 AMAQI
8th Oct 2025553 AMAQI
8th Oct 2025574 AMAQI
8th Oct 2025635 AMAQI
8th Oct 2025626 AMAQI

15°C15/17°C

8th Oct 2025627 AMAQI
8th Oct 2025508 AMAQI
8th Oct 2025489 AMAQI
8th Oct 20254710 AMAQI
8th Oct 20254911 AMAQI
8th Oct 20255012 PMAQI
8th Oct 2025511 PMAQI
8th Oct 2025572 PMAQI
8th Oct 2025623 PMAQI
8th Oct 2025624 PMAQI
8th Oct 2025595 PMAQI
8th Oct 2025506 PMAQI
8th Oct 2025477 PMAQI
8th Oct 2025478 PMAQI
8th Oct 2025519 PMAQI
8th Oct 20252910 PMAQI
8th Oct 20252711 PMAQI
9th Oct 20255312 AMAQI
9th Oct 2025511 AMAQI
9th Oct 2025562 AMAQI
9th Oct 2025543 AMAQI
9th Oct 2025444 AMAQI
9th Oct 2025455 AMAQI
9th Oct 2025466 AMAQI

14°C13/16°C

9th Oct 2025457 AMAQI
9th Oct 2025488 AMAQI
9th Oct 2025509 AMAQI
9th Oct 20255610 AMAQI
9th Oct 20255611 AMAQI
9th Oct 20254212 PMAQI
9th Oct 2025391 PMAQI
9th Oct 2025502 PMAQI
9th Oct 2025553 PMAQI
9th Oct 2025544 PMAQI
9th Oct 2025535 PMAQI
9th Oct 2025516 PMAQI
9th Oct 2025547 PMAQI
9th Oct 2025548 PMAQI
9th Oct 2025539 PMAQI
9th Oct 20254310 PMAQI
9th Oct 20254911 PMAQI
10th Oct 20255212 AMAQI
10th Oct 2025561 AMAQI
10th Oct 2025572 AMAQI
10th Oct 2025573 AMAQI
10th Oct 2025614 AMAQI
10th Oct 2025625 AMAQI
10th Oct 2025546 AMAQI

14°C13/15°C

10th Oct 2025537 AMAQI
10th Oct 2025538 AMAQI
10th Oct 2025549 AMAQI
10th Oct 20255510 AMAQI
10th Oct 20255611 AMAQI
10th Oct 20255712 PMAQI
10th Oct 2025591 PMAQI
10th Oct 2025572 PMAQI
10th Oct 2025593 PMAQI
10th Oct 2025604 PMAQI
10th Oct 2025625 PMAQI
10th Oct 2025646 PMAQI
10th Oct 2025627 PMAQI
10th Oct 2025608 PMAQI
10th Oct 2025599 PMAQI
10th Oct 20256410 PMAQI
10th Oct 20257011 PMAQI
11th Oct 20257212 AMAQI
11th Oct 2025651 AMAQI
11th Oct 2025622 AMAQI
11th Oct 2025673 AMAQI
11th Oct 2025684 AMAQI
11th Oct 2025685 AMAQI
11th Oct 2025666 AMAQI

15°C14/16°C

11th Oct 2025767 AMAQI
11th Oct 2025808 AMAQI
11th Oct 2025829 AMAQI
11th Oct 20258110 AMAQI
11th Oct 20258311 AMAQI
11th Oct 20258212 PMAQI
11th Oct 2025801 PMAQI
11th Oct 2025742 PMAQI
11th Oct 2025743 PMAQI
11th Oct 2025814 PMAQI
11th Oct 2025765 PMAQI
11th Oct 2025806 PMAQI
11th Oct 2025837 PMAQI
11th Oct 2025798 PMAQI
11th Oct 2025689 PMAQI
11th Oct 20256210 PMAQI
11th Oct 20256011 PMAQI
12th Oct 20256512 AMAQI
12th Oct 2025691 AMAQI
12th Oct 2025682 AMAQI
12th Oct 2025683 AMAQI
12th Oct 2025674 AMAQI
12th Oct 2025725 AMAQI
12th Oct 2025656 AMAQI

15°C14/16°C

12th Oct 2025677 AMAQI
12th Oct 2025698 AMAQI
12th Oct 2025699 AMAQI
12th Oct 20257410 AMAQI
12th Oct 20257611 AMAQI
12th Oct 20257412 PMAQI
12th Oct 2025731 PMAQI
12th Oct 2025872 PMAQI
12th Oct 2025673 PMAQI
12th Oct 2025664 PMAQI
12th Oct 2025595 PMAQI
12th Oct 2025596 PMAQI
12th Oct 2025567 PMAQI
12th Oct 2025628 PMAQI
12th Oct 2025519 PMAQI
12th Oct 20254810 PMAQI
12th Oct 20253911 PMAQI
13th Oct 20253612 AMAQI
13th Oct 2025361 AMAQI
13th Oct 2025342 AMAQI
13th Oct 2025463 AMAQI
13th Oct 2025294 AMAQI
13th Oct 2025265 AMAQI
13th Oct 2025256 AMAQI

14°C13/15°C

13th Oct 2025267 AMAQI
7 AM
13th Oct 2025248 AMAQI
13th Oct 2025269 AMAQI
13th Oct 20254110 AMAQI
13th Oct 20254311 AMAQI
13th Oct 20254412 PMAQI
13th Oct 2025391 PMAQI
1 PM
7 PM
1 AM
6 AM

--°C/°C

Day time
Avg. Highest Time
10 AM - 6 PM

40AQI

9 hours / Day
270 hours / Month
Avg. Lowest Time
7 AM - 9 AM

38AQI

3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 6 PM (Avg. 40), while the lowest AQI was between 7 AM to 9 AM (Avg. 38).
Night time
Avg. Highest Time
12 AM - 3 AM

38AQI

4 hours / Day
120 hours / Month
Avg. Lowest Time
8 PM - 11 PM

36AQI

4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 38), while the lowest AQI was between 8 PM to 11 PM (Avg. 36).

2025 Days Vs Air Quality

Calais Berthelot, Calais, Hauts De France, France

2025

69%

197

28%

79

3%

9

Total number of days with different AQI categories in last 286 days in 2025 (79 days remaining)

Good
197 Days
Moderate
79 Days
Poor
9 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 69%

Health Risk Level:

Moderate

In 2025, 69% of 286 days were within WHO’s safe air quality limits, and 31% 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.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
6th August 2025
28AQI
7th August 2025
29AQI
8th August 2025
33AQI
9th August 2025
30AQI
10th August 2025
39AQI
11th August 2025
50AQI
12th August 2025
52AQI
13th August 2025
58AQI
14th August 2025
58AQI
15th August 2025
40AQI
16th August 2025
45AQI
17th August 2025
34AQI
18th August 2025
27AQI
19th August 2025
29AQI
20th August 2025
33AQI
21st August 2025
28AQI
22nd August 2025
22AQI
23rd August 2025
23AQI
24th August 2025
23AQI
25th August 2025
27AQI
26th August 2025
33AQI
27th August 2025
31AQI
28th August 2025
29AQI
29th August 2025
23AQI
30th August 2025
22AQI
31st August 2025
22AQI
1st September 2025
24AQI
2nd September 2025
21AQI
3rd September 2025
19AQI
4th September 2025
22AQI
5th September 2025
21AQI
6th September 2025
21AQI
7th September 2025
26AQI
8th September 2025
25AQI
9th September 2025
22AQI
10th September 2025
23AQI
11th September 2025
22AQI
12th September 2025
20AQI
13th September 2025
18AQI
14th September 2025
20AQI
15th September 2025
29AQI
16th September 2025
28AQI
17th September 2025
23AQI
18th September 2025
19AQI
19th September 2025
22AQI
20th September 2025
30AQI
21st September 2025
22AQI
22nd September 2025
19AQI
23rd September 2025
17AQI
24th September 2025
17AQI
25th September 2025
25AQI
26th September 2025
40AQI
27th September 2025
57AQI
28th September 2025
52AQI
29th September 2025
37AQI
30th September 2025
34AQI
1st October 2025
45AQI
2nd October 2025
67AQI
3rd October 2025
44AQI
4th October 2025
44AQI
5th October 2025
43AQI
6th October 2025
44AQI
7th October 2025
45AQI
8th October 2025
52AQI
9th October 2025
51AQI
10th October 2025
58AQI
11th October 2025
74AQI
12th October 2025
66AQI
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

51AQI

69AQI

67AQI

50AQI

37AQI

33AQI

30AQI

32AQI

26AQI

53AQI

No. of days

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

202544AQI

17
14
6
18
4
10
16
5
15
15
28
3
28
2
31
28
3
28
2
6
6
197
79
9

Highest AQI recorded in

February

69AQI

Lowest AQI recorded in

September

26AQI

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.)
44AQI
Least Polluted Year Recorded
2020(Avg.)
28AQI

Calais Berthelot's annual 2025 AQI (44) shows an average percentage change of 24.1% (worsened AQI) compared to previous years: 2020 (28), 2021 (37), 2022 (39), 2023 (37), 2024 (39).