Country Background
HistoryAQIPM₂.₅PM₁₀COSO₂NO₂O₃

Grande Synthe, 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

Grande Synthe, Hauts De France, France

2022
2023
2024
2025
2026
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
18th Aug 2023
84AQI
Lowest AQI recorded on
3rd Aug 2022
17AQI

Same Day Analysis (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 22 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.

Day & Night AQI Trend: 16th Aug - 17th Aug 2026

Grande Synthe, Hauts De France, France

AQI
Day
Night
.

6 AM16th Aug 2026

9 PM

5 AM17th Aug 2026

Day time
Avg. Highest Time
8AM16th Aug

26AQI

Avg. Lowest Time
4PM16th Aug

15AQI

Night time
Avg. Highest Time
5AM17th Aug

28AQI

Avg. Lowest Time
1AM17th Aug

20AQI

In the last 24 hours,

Grande Synthe's AQI reached its highest point of 28 at 5 AM during the Night, while the lowest point, 15, was recorded at 4 PM during the Day between 16th Aug and 17th Aug 2026.

Day & Night AQI Trend : Jul - Aug 2026

Grande Synthe, Hauts De France, France

JulAug
19th - 20th20th - 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
Day
Night
19th Jul 2026276 AMAQI
19th Jul 2026337 AMAQI
19th Jul 2026378 AMAQI
19th Jul 2026319 AMAQI
19th Jul 20263310 AMAQI
19th Jul 20265211 AMAQI
19th Jul 20265212 PMAQI
19th Jul 2026301 PMAQI
19th Jul 2026262 PMAQI
19th Jul 2026283 PMAQI
19th Jul 2026294 PMAQI
19th Jul 2026285 PMAQI
19th Jul 2026286 PMAQI
19th Jul 2026267 PMAQI
19th Jul 2026228 PMAQI
19th Jul 2026259 PMAQI
19th Jul 20262210 PMAQI
19th Jul 20262211 PMAQI
20th Jul 20262412 AMAQI
20th Jul 2026261 AMAQI
20th Jul 2026312 AMAQI
20th Jul 2026263 AMAQI
20th Jul 2026244 AMAQI
20th Jul 2026245 AMAQI

17°C16/18°C

20th Jul 2026306 AMAQI
20th Jul 2026227 AMAQI
20th Jul 2026268 AMAQI
20th Jul 2026299 AMAQI
20th Jul 20263210 AMAQI
20th Jul 20263411 AMAQI
20th Jul 20262812 PMAQI
20th Jul 2026261 PMAQI
20th Jul 2026282 PMAQI
20th Jul 2026243 PMAQI
20th Jul 2026244 PMAQI
20th Jul 2026265 PMAQI
20th Jul 2026266 PMAQI
20th Jul 2026277 PMAQI
20th Jul 2026298 PMAQI
20th Jul 2026249 PMAQI
20th Jul 20262410 PMAQI
20th Jul 20262511 PMAQI
21st Jul 20262512 AMAQI
21st Jul 2026241 AMAQI
21st Jul 2026252 AMAQI
21st Jul 2026253 AMAQI
21st Jul 2026264 AMAQI

17°C15/18°C

21st Jul 2026266 AMAQI
21st Jul 2026287 AMAQI
21st Jul 2026288 AMAQI
21st Jul 2026319 AMAQI
21st Jul 20263010 AMAQI
21st Jul 20262611 AMAQI
21st Jul 20263412 PMAQI
21st Jul 2026271 PMAQI
21st Jul 2026282 PMAQI
21st Jul 2026263 PMAQI
21st Jul 2026264 PMAQI
21st Jul 2026265 PMAQI
21st Jul 2026256 PMAQI
21st Jul 2026277 PMAQI
21st Jul 2026278 PMAQI
21st Jul 2026299 PMAQI
21st Jul 20263210 PMAQI
21st Jul 20263211 PMAQI
22nd Jul 20263912 AMAQI
22nd Jul 2026361 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026393 AMAQI
22nd Jul 2026374 AMAQI
22nd Jul 2026355 AMAQI

18°C15/20°C

22nd Jul 2026346 AMAQI
22nd Jul 2026307 AMAQI
22nd Jul 2026348 AMAQI
22nd Jul 2026359 AMAQI
22nd Jul 20262410 AMAQI
22nd Jul 20262411 AMAQI
22nd Jul 20262212 PMAQI
22nd Jul 2026341 PMAQI
22nd Jul 2026402 PMAQI
22nd Jul 2026383 PMAQI
22nd Jul 2026374 PMAQI
22nd Jul 2026385 PMAQI
22nd Jul 2026376 PMAQI
22nd Jul 2026247 PMAQI
22nd Jul 2026258 PMAQI
22nd Jul 2026249 PMAQI
22nd Jul 20262410 PMAQI
22nd Jul 20262311 PMAQI
23rd Jul 20262212 AMAQI
23rd Jul 2026241 AMAQI
23rd Jul 2026232 AMAQI
23rd Jul 2026283 AMAQI
23rd Jul 2026334 AMAQI
23rd Jul 2026355 AMAQI

18°C16/20°C

23rd Jul 2026376 AMAQI
23rd Jul 2026267 AMAQI
23rd Jul 2026248 AMAQI
23rd Jul 2026269 AMAQI
23rd Jul 20262410 AMAQI
23rd Jul 20262811 AMAQI
23rd Jul 20262412 PMAQI
23rd Jul 2026251 PMAQI
23rd Jul 2026222 PMAQI
23rd Jul 2026243 PMAQI
23rd Jul 2026214 PMAQI
23rd Jul 2026235 PMAQI
23rd Jul 2026286 PMAQI
23rd Jul 2026257 PMAQI
23rd Jul 2026258 PMAQI
23rd Jul 2026299 PMAQI
23rd Jul 20262810 PMAQI
23rd Jul 20262811 PMAQI
24th Jul 20262812 AMAQI
24th Jul 2026241 AMAQI
24th Jul 2026242 AMAQI
24th Jul 2026243 AMAQI
24th Jul 2026294 AMAQI
24th Jul 2026215 AMAQI

18°C16/20°C

24th Jul 2026226 AMAQI
24th Jul 2026297 AMAQI
24th Jul 2026428 AMAQI
24th Jul 2026339 AMAQI
24th Jul 20262710 AMAQI
24th Jul 20262511 AMAQI
24th Jul 20262612 PMAQI
24th Jul 2026361 PMAQI
24th Jul 2026462 PMAQI
24th Jul 2026543 PMAQI
24th Jul 2026534 PMAQI
24th Jul 2026555 PMAQI
24th Jul 2026606 PMAQI
24th Jul 2026627 PMAQI
24th Jul 2026638 PMAQI
24th Jul 2026609 PMAQI
24th Jul 20265510 PMAQI
24th Jul 20265111 PMAQI
25th Jul 20264412 AMAQI
25th Jul 2026421 AMAQI
25th Jul 2026442 AMAQI
25th Jul 2026473 AMAQI
25th Jul 2026494 AMAQI
25th Jul 2026525 AMAQI

20°C15/23°C

25th Jul 2026526 AMAQI
25th Jul 2026537 AMAQI
25th Jul 2026518 AMAQI
25th Jul 2026579 AMAQI
25th Jul 20267210 AMAQI
25th Jul 20266611 AMAQI
25th Jul 20265812 PMAQI
25th Jul 2026561 PMAQI
25th Jul 2026572 PMAQI
25th Jul 2026563 PMAQI
25th Jul 2026574 PMAQI
25th Jul 2026525 PMAQI
25th Jul 2026506 PMAQI
25th Jul 2026527 PMAQI
25th Jul 2026498 PMAQI
25th Jul 2026489 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20263811 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026482 AMAQI
26th Jul 2026443 AMAQI
26th Jul 2026384 AMAQI
26th Jul 2026315 AMAQI

21°C18/25°C

26th Jul 2026246 AMAQI
26th Jul 2026237 AMAQI
26th Jul 2026278 AMAQI
26th Jul 2026229 AMAQI
26th Jul 20262410 AMAQI
26th Jul 20262711 AMAQI
26th Jul 20263012 PMAQI
26th Jul 2026311 PMAQI
26th Jul 2026282 PMAQI
26th Jul 2026323 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026485 PMAQI
26th Jul 2026466 PMAQI
26th Jul 2026447 PMAQI
26th Jul 2026488 PMAQI
26th Jul 2026479 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20263911 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026331 AMAQI
27th Jul 2026282 AMAQI
27th Jul 2026263 AMAQI
27th Jul 2026244 AMAQI
27th Jul 2026235 AMAQI

20°C17/24°C

27th Jul 2026236 AMAQI
27th Jul 2026277 AMAQI
27th Jul 2026228 AMAQI
27th Jul 2026229 AMAQI
27th Jul 20262310 AMAQI
27th Jul 20262411 AMAQI
27th Jul 20262112 PMAQI
27th Jul 2026221 PMAQI
27th Jul 2026262 PMAQI
27th Jul 2026263 PMAQI
27th Jul 2026334 PMAQI
27th Jul 2026305 PMAQI
27th Jul 2026286 PMAQI
27th Jul 2026347 PMAQI
27th Jul 2026268 PMAQI
27th Jul 2026259 PMAQI
27th Jul 20262610 PMAQI
27th Jul 20262511 PMAQI
28th Jul 20262312 AMAQI
28th Jul 2026311 AMAQI
28th Jul 2026412 AMAQI
28th Jul 2026243 AMAQI
28th Jul 2026264 AMAQI
28th Jul 2026265 AMAQI

19°C16/22°C

28th Jul 2026286 AMAQI
28th Jul 2026227 AMAQI
28th Jul 2026238 AMAQI
28th Jul 2026249 AMAQI
28th Jul 20262510 AMAQI
28th Jul 20262611 AMAQI
28th Jul 20262612 PMAQI
28th Jul 2026261 PMAQI
28th Jul 2026272 PMAQI
28th Jul 2026403 PMAQI
28th Jul 2026524 PMAQI
28th Jul 2026495 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026307 PMAQI
28th Jul 2026328 PMAQI
28th Jul 2026339 PMAQI
28th Jul 20263410 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20263412 AMAQI
29th Jul 2026481 AMAQI
29th Jul 2026532 AMAQI
29th Jul 2026523 AMAQI
29th Jul 2026514 AMAQI
29th Jul 2026295 AMAQI

21°C18/25°C

29th Jul 2026286 AMAQI
29th Jul 2026307 AMAQI
29th Jul 2026348 AMAQI
29th Jul 2026359 AMAQI
29th Jul 20263510 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20263712 PMAQI
29th Jul 2026341 PMAQI
29th Jul 2026312 PMAQI
29th Jul 2026303 PMAQI
29th Jul 2026384 PMAQI
29th Jul 2026585 PMAQI
29th Jul 2026636 PMAQI
29th Jul 2026567 PMAQI
29th Jul 2026498 PMAQI
29th Jul 2026469 PMAQI
29th Jul 20263710 PMAQI
29th Jul 20263711 PMAQI
30th Jul 20263612 AMAQI
30th Jul 2026361 AMAQI
30th Jul 2026322 AMAQI
30th Jul 2026273 AMAQI
30th Jul 2026244 AMAQI
30th Jul 2026245 AMAQI

24°C20/30°C

30th Jul 2026286 AMAQI
30th Jul 2026337 AMAQI
30th Jul 2026358 AMAQI
30th Jul 2026439 AMAQI
30th Jul 20264710 AMAQI
30th Jul 20264811 AMAQI
30th Jul 20263912 PMAQI
30th Jul 2026391 PMAQI
30th Jul 2026442 PMAQI
30th Jul 2026443 PMAQI
30th Jul 2026474 PMAQI
30th Jul 2026555 PMAQI
30th Jul 2026586 PMAQI
30th Jul 2026567 PMAQI
30th Jul 2026498 PMAQI
30th Jul 2026359 PMAQI
30th Jul 20262810 PMAQI
30th Jul 20262511 PMAQI
31st Jul 20262512 AMAQI
31st Jul 2026231 AMAQI
31st Jul 2026282 AMAQI
31st Jul 2026323 AMAQI
31st Jul 2026284 AMAQI
31st Jul 2026285 AMAQI

21°C18/24°C

31st Jul 2026286 AMAQI
31st Jul 2026297 AMAQI
31st Jul 2026318 AMAQI
31st Jul 2026409 AMAQI
31st Jul 20264610 AMAQI
31st Jul 20264111 AMAQI
31st Jul 20264412 PMAQI
31st Jul 2026431 PMAQI
31st Jul 2026422 PMAQI
31st Jul 2026373 PMAQI
31st Jul 2026304 PMAQI
31st Jul 2026295 PMAQI
31st Jul 2026296 PMAQI
31st Jul 2026307 PMAQI
31st Jul 2026298 PMAQI
31st Jul 2026289 PMAQI
31st Jul 20262410 PMAQI
31st Jul 20263111 PMAQI
1st Aug 20263312 AMAQI
1st Aug 2026321 AMAQI
1st Aug 2026262 AMAQI
1st Aug 2026273 AMAQI
1st Aug 2026244 AMAQI
1st Aug 2026245 AMAQI

20°C17/22°C

1st Aug 2026236 AMAQI
1st Aug 2026247 AMAQI
1st Aug 2026248 AMAQI
1st Aug 2026249 AMAQI
1st Aug 20262410 AMAQI
1st Aug 20263311 AMAQI
1st Aug 20263112 PMAQI
1st Aug 2026241 PMAQI
1st Aug 2026252 PMAQI
1st Aug 2026253 PMAQI
1st Aug 2026284 PMAQI
1st Aug 2026285 PMAQI
1st Aug 2026296 PMAQI
1st Aug 2026327 PMAQI
1st Aug 2026328 PMAQI
1st Aug 2026359 PMAQI
1st Aug 20263610 PMAQI
1st Aug 20263911 PMAQI
2nd Aug 20263412 AMAQI
2nd Aug 2026301 AMAQI
2nd Aug 2026292 AMAQI
2nd Aug 2026303 AMAQI
2nd Aug 2026314 AMAQI
2nd Aug 2026305 AMAQI

19°C15/22°C

2nd Aug 2026296 AMAQI
2nd Aug 2026307 AMAQI
2nd Aug 2026288 AMAQI
2nd Aug 2026269 AMAQI
2nd Aug 20262410 AMAQI
2nd Aug 20262411 AMAQI
2nd Aug 20262412 PMAQI
2nd Aug 2026221 PMAQI
2nd Aug 2026222 PMAQI
2nd Aug 2026243 PMAQI
2nd Aug 2026324 PMAQI
2nd Aug 2026405 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026447 PMAQI
2nd Aug 2026548 PMAQI
2nd Aug 2026709 PMAQI
2nd Aug 20263910 PMAQI
2nd Aug 20262511 PMAQI
3rd Aug 20262512 AMAQI
3rd Aug 2026261 AMAQI
3rd Aug 2026302 AMAQI
3rd Aug 2026303 AMAQI
3rd Aug 2026274 AMAQI
3rd Aug 2026335 AMAQI

20°C17/24°C

3rd Aug 2026346 AMAQI
3rd Aug 2026277 AMAQI
3rd Aug 2026288 AMAQI
3rd Aug 2026569 AMAQI
3rd Aug 20264610 AMAQI
3rd Aug 20263711 AMAQI
3rd Aug 20263512 PMAQI
3rd Aug 2026391 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026473 PMAQI
3rd Aug 2026404 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026626 PMAQI
3rd Aug 2026537 PMAQI
3rd Aug 2026478 PMAQI
3rd Aug 2026389 PMAQI
3rd Aug 20263110 PMAQI
3rd Aug 20262811 PMAQI
4th Aug 20262812 AMAQI
4th Aug 2026311 AMAQI
4th Aug 2026332 AMAQI
4th Aug 2026333 AMAQI
4th Aug 2026344 AMAQI
4th Aug 2026425 AMAQI

22°C19/25°C

4th Aug 2026506 AMAQI
4th Aug 2026547 AMAQI
4th Aug 2026528 AMAQI
4th Aug 2026469 AMAQI
4th Aug 20263810 AMAQI
4th Aug 20263311 AMAQI
4th Aug 20263912 PMAQI
4th Aug 2026401 PMAQI
4th Aug 2026362 PMAQI
4th Aug 2026353 PMAQI
4th Aug 2026414 PMAQI
4th Aug 2026475 PMAQI
4th Aug 2026526 PMAQI
4th Aug 2026437 PMAQI
4th Aug 2026368 PMAQI
4th Aug 2026349 PMAQI
4th Aug 20263110 PMAQI
4th Aug 20263111 PMAQI
5th Aug 20263012 AMAQI
5th Aug 2026281 AMAQI
5th Aug 2026262 AMAQI
5th Aug 2026323 AMAQI
5th Aug 2026344 AMAQI
5th Aug 2026325 AMAQI

23°C20/27°C

5th Aug 2026266 AMAQI
5th Aug 2026337 AMAQI
5th Aug 2026338 AMAQI
5th Aug 2026309 AMAQI
5th Aug 20262410 AMAQI
5th Aug 20263211 AMAQI
5th Aug 20263412 PMAQI
5th Aug 2026301 PMAQI
5th Aug 2026302 PMAQI
5th Aug 2026323 PMAQI
5th Aug 2026344 PMAQI
5th Aug 2026365 PMAQI
5th Aug 2026446 PMAQI
5th Aug 2026547 PMAQI
5th Aug 2026618 PMAQI
5th Aug 2026519 PMAQI
5th Aug 20264010 PMAQI
5th Aug 20263411 PMAQI
6th Aug 20262512 AMAQI
6th Aug 2026301 AMAQI
6th Aug 2026342 AMAQI
6th Aug 2026383 AMAQI
6th Aug 2026304 AMAQI
6th Aug 2026245 AMAQI

21°C18/23°C

6th Aug 2026246 AMAQI
6th Aug 2026267 AMAQI
6th Aug 2026288 AMAQI
6th Aug 2026289 AMAQI
6th Aug 20263010 AMAQI
6th Aug 20262811 AMAQI
6th Aug 20262512 PMAQI
6th Aug 2026251 PMAQI
6th Aug 2026242 PMAQI
6th Aug 2026243 PMAQI
6th Aug 2026234 PMAQI
6th Aug 2026225 PMAQI
6th Aug 2026226 PMAQI
6th Aug 2026227 PMAQI
6th Aug 2026228 PMAQI
6th Aug 2026219 PMAQI
6th Aug 20262110 PMAQI
6th Aug 20262511 PMAQI
7th Aug 20262712 AMAQI
7th Aug 2026271 AMAQI
7th Aug 2026272 AMAQI
7th Aug 2026263 AMAQI
7th Aug 2026294 AMAQI
7th Aug 2026335 AMAQI

19°C16/20°C

7th Aug 2026306 AMAQI
7th Aug 2026267 AMAQI
7th Aug 2026268 AMAQI
7th Aug 2026279 AMAQI
7th Aug 20262910 AMAQI
7th Aug 20262411 AMAQI
7th Aug 20263412 PMAQI
7th Aug 2026251 PMAQI
7th Aug 2026222 PMAQI
7th Aug 2026243 PMAQI
7th Aug 2026224 PMAQI
7th Aug 2026285 PMAQI
7th Aug 2026236 PMAQI
7th Aug 2026257 PMAQI
7th Aug 2026228 PMAQI
7th Aug 2026229 PMAQI
7th Aug 20262210 PMAQI
7th Aug 20262811 PMAQI
8th Aug 20262412 AMAQI
8th Aug 2026221 AMAQI
8th Aug 2026212 AMAQI
8th Aug 2026213 AMAQI
8th Aug 2026244 AMAQI
8th Aug 2026225 AMAQI

19°C15/22°C

8th Aug 2026246 AMAQI
8th Aug 2026247 AMAQI
8th Aug 2026388 AMAQI
8th Aug 2026429 AMAQI
8th Aug 20264610 AMAQI
8th Aug 20264411 AMAQI
8th Aug 20264212 PMAQI
8th Aug 2026371 PMAQI
8th Aug 2026302 PMAQI
8th Aug 2026273 PMAQI
8th Aug 2026264 PMAQI
8th Aug 2026265 PMAQI
8th Aug 2026266 PMAQI
8th Aug 2026267 PMAQI
8th Aug 2026268 PMAQI
8th Aug 2026279 PMAQI
8th Aug 20263110 PMAQI
8th Aug 20263311 PMAQI
9th Aug 20263012 AMAQI
9th Aug 2026271 AMAQI
9th Aug 2026282 AMAQI
9th Aug 2026323 AMAQI
9th Aug 2026354 AMAQI
9th Aug 2026455 AMAQI

20°C15/25°C

9th Aug 2026516 AMAQI
9th Aug 2026547 AMAQI
9th Aug 2026598 AMAQI
9th Aug 2026599 AMAQI
9th Aug 20265810 AMAQI
9th Aug 20265411 AMAQI
9th Aug 20265012 PMAQI
9th Aug 2026481 PMAQI
9th Aug 2026532 PMAQI
9th Aug 2026523 PMAQI
9th Aug 2026574 PMAQI
9th Aug 2026425 PMAQI
9th Aug 2026546 PMAQI
9th Aug 2026687 PMAQI
9th Aug 2026568 PMAQI
9th Aug 2026489 PMAQI
9th Aug 20263010 PMAQI
9th Aug 20264411 PMAQI
10th Aug 20263312 AMAQI
10th Aug 2026261 AMAQI
10th Aug 2026302 AMAQI
10th Aug 2026303 AMAQI
10th Aug 2026324 AMAQI
10th Aug 2026305 AMAQI

23°C19/27°C

10th Aug 2026286 AMAQI
10th Aug 2026287 AMAQI
10th Aug 2026348 AMAQI
10th Aug 2026509 AMAQI
10th Aug 20264810 AMAQI
10th Aug 20264411 AMAQI
10th Aug 20263512 PMAQI
10th Aug 2026241 PMAQI
10th Aug 2026252 PMAQI
10th Aug 2026243 PMAQI
10th Aug 2026244 PMAQI
10th Aug 2026225 PMAQI
10th Aug 2026256 PMAQI
10th Aug 2026257 PMAQI
10th Aug 2026248 PMAQI
10th Aug 2026289 PMAQI
10th Aug 20262610 PMAQI
10th Aug 20262611 PMAQI
11th Aug 20262612 AMAQI
11th Aug 2026271 AMAQI
11th Aug 2026322 AMAQI
11th Aug 2026323 AMAQI
11th Aug 2026324 AMAQI
11th Aug 2026335 AMAQI

20°C18/22°C

11th Aug 2026336 AMAQI
11th Aug 2026347 AMAQI
11th Aug 2026228 AMAQI
11th Aug 2026269 AMAQI
11th Aug 20262610 AMAQI
11th Aug 20262211 AMAQI
11th Aug 20262112 PMAQI
11th Aug 2026221 PMAQI
11th Aug 2026242 PMAQI
11th Aug 2026223 PMAQI
11th Aug 2026284 PMAQI
11th Aug 2026385 PMAQI
11th Aug 2026446 PMAQI
11th Aug 2026487 PMAQI
11th Aug 2026508 PMAQI
11th Aug 2026499 PMAQI
11th Aug 20264810 PMAQI
11th Aug 20264311 PMAQI
12th Aug 20263612 AMAQI
12th Aug 2026321 AMAQI
12th Aug 2026382 AMAQI
12th Aug 2026373 AMAQI
12th Aug 2026364 AMAQI
12th Aug 2026325 AMAQI

19°C14/23°C

12th Aug 2026476 AMAQI
12th Aug 2026327 AMAQI
12th Aug 2026448 AMAQI
12th Aug 2026229 AMAQI
12th Aug 20262310 AMAQI
12th Aug 20262311 AMAQI
12th Aug 20262212 PMAQI
12th Aug 2026261 PMAQI
12th Aug 2026272 PMAQI
12th Aug 2026233 PMAQI
12th Aug 2026264 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026406 PMAQI
12th Aug 2026497 PMAQI
12th Aug 2026548 PMAQI
12th Aug 2026489 PMAQI
12th Aug 20262810 PMAQI
12th Aug 20262811 PMAQI
13th Aug 20262512 AMAQI
13th Aug 2026311 AMAQI
13th Aug 2026352 AMAQI
13th Aug 2026303 AMAQI
13th Aug 2026254 AMAQI
13th Aug 2026245 AMAQI

22°C16/27°C

13th Aug 2026276 AMAQI
13th Aug 2026277 AMAQI
13th Aug 2026348 AMAQI
13th Aug 2026469 AMAQI
13th Aug 20265210 AMAQI
13th Aug 20265411 AMAQI
13th Aug 20265612 PMAQI
13th Aug 2026581 PMAQI
13th Aug 2026502 PMAQI
13th Aug 2026443 PMAQI
13th Aug 2026514 PMAQI
13th Aug 2026555 PMAQI
13th Aug 2026616 PMAQI
13th Aug 2026617 PMAQI
13th Aug 2026528 PMAQI
13th Aug 2026539 PMAQI
13th Aug 20265910 PMAQI
13th Aug 20266311 PMAQI
14th Aug 20264812 AMAQI
14th Aug 2026421 AMAQI
14th Aug 2026302 AMAQI
14th Aug 2026343 AMAQI
14th Aug 2026354 AMAQI
14th Aug 2026345 AMAQI

25°C21/30°C

14th Aug 2026446 AMAQI
14th Aug 2026527 AMAQI
14th Aug 2026528 AMAQI
14th Aug 2026549 AMAQI
14th Aug 20266410 AMAQI
14th Aug 20265811 AMAQI
14th Aug 20266012 PMAQI
14th Aug 2026581 PMAQI
14th Aug 2026702 PMAQI
14th Aug 2026593 PMAQI
14th Aug 2026704 PMAQI
14th Aug 2026805 PMAQI
14th Aug 2026776 PMAQI
14th Aug 2026687 PMAQI
14th Aug 2026518 PMAQI
14th Aug 2026549 PMAQI
14th Aug 20265810 PMAQI
14th Aug 20266111 PMAQI
15th Aug 20266612 AMAQI
15th Aug 2026761 AMAQI
15th Aug 2026772 AMAQI
15th Aug 2026853 AMAQI
15th Aug 2026894 AMAQI
15th Aug 2026765 AMAQI

25°C22/28°C

15th Aug 2026706 AMAQI
15th Aug 2026597 AMAQI
15th Aug 2026708 AMAQI
15th Aug 2026649 AMAQI
15th Aug 20265010 AMAQI
15th Aug 20264011 AMAQI
15th Aug 20263812 PMAQI
15th Aug 2026361 PMAQI
15th Aug 2026502 PMAQI
15th Aug 2026553 PMAQI
15th Aug 2026524 PMAQI
15th Aug 2026485 PMAQI
15th Aug 2026416 PMAQI
15th Aug 2026387 PMAQI
15th Aug 2026308 PMAQI
15th Aug 2026279 PMAQI
15th Aug 20262610 PMAQI
15th Aug 20262811 PMAQI
16th Aug 20262612 AMAQI
16th Aug 2026261 AMAQI
16th Aug 2026242 AMAQI
16th Aug 2026233 AMAQI
16th Aug 2026244 AMAQI
16th Aug 2026245 AMAQI

21°C19/23°C

16th Aug 2026256 AMAQI
16th Aug 2026257 AMAQI
16th Aug 2026268 AMAQI
16th Aug 2026259 AMAQI
16th Aug 20262410 AMAQI
16th Aug 20262411 AMAQI
16th Aug 20262212 PMAQI
16th Aug 2026191 PMAQI
16th Aug 2026202 PMAQI
16th Aug 2026163 PMAQI
16th Aug 2026154 PMAQI
16th Aug 2026205 PMAQI
16th Aug 2026206 PMAQI
16th Aug 2026197 PMAQI
16th Aug 2026218 PMAQI
16th Aug 2026209 PMAQI
16th Aug 20262410 PMAQI
16th Aug 20262211 PMAQI
17th Aug 20262012 AMAQI
17th Aug 2026201 AMAQI
17th Aug 2026262 AMAQI
17th Aug 2026243 AMAQI
17th Aug 2026244 AMAQI
17th Aug 2026285 AMAQI

19°C18/21°C

17th Aug 2026286 AMAQI
6 AM
17th Aug 2026277 AMAQI
17th Aug 2026328 AMAQI
17th Aug 2026249 AMAQI
17th Aug 20262510 AMAQI
17th Aug 20263711 AMAQI
17th Aug 20263612 PMAQI
17th Aug 2026271 PMAQI
1 PM
17th Aug 2026272 PMAQI
17th Aug 2026263 PMAQI
17th Aug 2026284 PMAQI
17th Aug 2026295 PMAQI
17th Aug 2026286 PMAQI
17th Aug 2026257 PMAQI
17th Aug 2026248 PMAQI
17th Aug 2026249 PMAQI
9 PM
17th Aug 20262610 PMAQI
17th Aug 20262611 PMAQI
1 AM
5 AM

11°C-1/22°C

Day time
Avg. Highest Time
5 PM - 7 PM

40AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
7 AM

32AQI

1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 PM to 7 PM (Avg. 40), while the lowest AQI was between 7 AM to 7 AM (Avg. 32).
Night time
Avg. Highest Time
2 AM - 4 AM

33AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
12 AM - 1 AM

31AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 4 AM (Avg. 33), while the lowest AQI was between 12 AM to 1 AM (Avg. 31).

2026 Days Vs Air Quality

Grande Synthe, Hauts De France, France

2026

85%

191

14%

31

1%

3

Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)

Good
191 Days
Moderate
31 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 85%

Health Risk Level:

Low

In 2026, 85% of 229 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

Grande Synthe, Hauts De France, France

AQI levels in 2026

AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
29AQI (US)
2nd January 2026
38AQI (US)
3rd January 2026
36AQI (US)
4th January 2026
38AQI (US)
5th January 2026
40AQI (US)
6th January 2026
33AQI (US)
7th January 2026
36AQI (US)
8th January 2026
45AQI (US)
9th January 2026
27AQI (US)
10th January 2026
34AQI (US)
11th January 2026
64AQI (US)
12th January 2026
19AQI (US)
13th January 2026
24AQI (US)
14th January 2026
28AQI (US)
15th January 2026
38AQI (US)
16th January 2026
20AQI (US)
17th January 2026
48AQI (US)
18th January 2026
68AQI (US)
19th January 2026
74AQI (US)
20th January 2026
62AQI (US)
21st January 2026
34AQI (US)
22nd January 2026
40AQI (US)
23rd January 2026
42AQI (US)
24th January 2026
48AQI (US)
25th January 2026
68AQI (US)
26th January 2026
126AQI (US)
27th January 2026
46AQI (US)
28th January 2026
46AQI (US)
29th January 2026
74AQI (US)
30th January 2026
38AQI (US)
31st January 2026
25AQI (US)
1st February 2026
48AQI (US)
2nd February 2026
41AQI (US)
3rd February 2026
49AQI (US)
4th February 2026
22AQI (US)
5th February 2026
48AQI (US)
6th February 2026
42AQI (US)
7th February 2026
35AQI (US)
8th February 2026
39AQI (US)
9th February 2026
50AQI (US)
10th February 2026
34AQI (US)
11th February 2026
36AQI (US)
12th February 2026
30AQI (US)
13th February 2026
44AQI (US)
14th February 2026
37AQI (US)
15th February 2026
37AQI (US)
16th February 2026
24AQI (US)
17th February 2026
39AQI (US)
18th February 2026
35AQI (US)
19th February 2026
33AQI (US)
20th February 2026
30AQI (US)
21st February 2026
41AQI (US)
22nd February 2026
14AQI (US)
23rd February 2026
31AQI (US)
24th February 2026
37AQI (US)
25th February 2026
31AQI (US)
26th February 2026
37AQI (US)
27th February 2026
28AQI (US)
28th February 2026
28AQI (US)
1st March 2026
32AQI (US)
2nd March 2026
38AQI (US)
3rd March 2026
55AQI (US)
4th March 2026
70AQI (US)
5th March 2026
69AQI (US)
6th March 2026
98AQI (US)
7th March 2026
94AQI (US)
8th March 2026
94AQI (US)
9th March 2026
93AQI (US)
10th March 2026
80AQI (US)
11th March 2026
27AQI (US)
12th March 2026
29AQI (US)
13th March 2026
34AQI (US)
14th March 2026
30AQI (US)
15th March 2026
30AQI (US)
16th March 2026
32AQI (US)
17th March 2026
31AQI (US)
18th March 2026
31AQI (US)
19th March 2026
59AQI (US)
20th March 2026
89AQI (US)
21st March 2026
49AQI (US)
22nd March 2026
103AQI (US)
23rd March 2026
118AQI (US)
24th March 2026
84AQI (US)
25th March 2026
28AQI (US)
26th March 2026
26AQI (US)
27th March 2026
35AQI (US)
28th March 2026
29AQI (US)
29th March 2026
29AQI (US)
30th March 2026
34AQI (US)
31st March 2026
34AQI (US)
1st April 2026
54AQI (US)
2nd April 2026
43AQI (US)
3rd April 2026
26AQI (US)
4th April 2026
27AQI (US)
5th April 2026
29AQI (US)
6th April 2026
25AQI (US)
7th April 2026
26AQI (US)
8th April 2026
29AQI (US)
9th April 2026
58AQI (US)
10th April 2026
35AQI (US)
11th April 2026
30AQI (US)
12th April 2026
32AQI (US)
13th April 2026
32AQI (US)
14th April 2026
38AQI (US)
15th April 2026
24AQI (US)
16th April 2026
26AQI (US)
17th April 2026
18th April 2026
29AQI (US)
19th April 2026
32AQI (US)
20th April 2026
19AQI (US)
21st April 2026
42AQI (US)
22nd April 2026
23rd April 2026
28AQI (US)
24th April 2026
26AQI (US)
25th April 2026
45AQI (US)
26th April 2026
48AQI (US)
27th April 2026
33AQI (US)
28th April 2026
36AQI (US)
29th April 2026
34AQI (US)
30th April 2026
23AQI (US)
1st May 2026
28AQI (US)
2nd May 2026
58AQI (US)
3rd May 2026
24AQI (US)
4th May 2026
56AQI (US)
5th May 2026
30AQI (US)
6th May 2026
22AQI (US)
7th May 2026
29AQI (US)
8th May 2026
56AQI (US)
9th May 2026
10th May 2026
39AQI (US)
11th May 2026
23AQI (US)
12th May 2026
28AQI (US)
13th May 2026
26AQI (US)
14th May 2026
22AQI (US)
15th May 2026
30AQI (US)
16th May 2026
36AQI (US)
17th May 2026
36AQI (US)
18th May 2026
34AQI (US)
19th May 2026
34AQI (US)
20th May 2026
34AQI (US)
21st May 2026
38AQI (US)
22nd May 2026
32AQI (US)
23rd May 2026
40AQI (US)
24th May 2026
64AQI (US)
25th May 2026
42AQI (US)
26th May 2026
30AQI (US)
27th May 2026
54AQI (US)
28th May 2026
35AQI (US)
29th May 2026
63AQI (US)
30th May 2026
66AQI (US)
31st May 2026
32AQI (US)
1st June 2026
26AQI (US)
2nd June 2026
24AQI (US)
3rd June 2026
23AQI (US)
4th June 2026
24AQI (US)
5th June 2026
22AQI (US)
6th June 2026
21AQI (US)
7th June 2026
20AQI (US)
8th June 2026
20AQI (US)
9th June 2026
23AQI (US)
10th June 2026
25AQI (US)
11th June 2026
21AQI (US)
12th June 2026
24AQI (US)
13th June 2026
24AQI (US)
14th June 2026
22AQI (US)
15th June 2026
21AQI (US)
16th June 2026
28AQI (US)
17th June 2026
12AQI (US)
18th June 2026
25AQI (US)
19th June 2026
41AQI (US)
20th June 2026
22AQI (US)
21st June 2026
30AQI (US)
22nd June 2026
28AQI (US)
23rd June 2026
26AQI (US)
24th June 2026
39AQI (US)
25th June 2026
89AQI (US)
26th June 2026
64AQI (US)
27th June 2026
46AQI (US)
28th June 2026
22AQI (US)
29th June 2026
19AQI (US)
30th June 2026
21AQI (US)
1st July 2026
23AQI (US)
2nd July 2026
22AQI (US)
3rd July 2026
27AQI (US)
4th July 2026
26AQI (US)
5th July 2026
21AQI (US)
6th July 2026
26AQI (US)
7th July 2026
23AQI (US)
8th July 2026
26AQI (US)
9th July 2026
26AQI (US)
10th July 2026
31AQI (US)
11th July 2026
40AQI (US)
12th July 2026
47AQI (US)
13th July 2026
42AQI (US)
14th July 2026
50AQI (US)
15th July 2026
26AQI (US)
16th July 2026
28AQI (US)
17th July 2026
41AQI (US)
18th July 2026
50AQI (US)
19th July 2026
29AQI (US)
20th July 2026
27AQI (US)
21st July 2026
27AQI (US)
22nd July 2026
32AQI (US)
23rd July 2026
26AQI (US)
24th July 2026
40AQI (US)
25th July 2026
52AQI (US)
26th July 2026
36AQI (US)
27th July 2026
26AQI (US)
28th July 2026
31AQI (US)
29th July 2026
41AQI (US)
30th July 2026
39AQI (US)
31st July 2026
32AQI (US)
1st August 2026
29AQI (US)
2nd August 2026
32AQI (US)
3rd August 2026
38AQI (US)
4th August 2026
39AQI (US)
5th August 2026
35AQI (US)
6th August 2026
26AQI (US)
7th August 2026
26AQI (US)
8th August 2026
30AQI (US)
9th August 2026
47AQI (US)
10th August 2026
30AQI (US)
11th August 2026
33AQI (US)
12th August 2026
34AQI (US)
13th August 2026
44AQI (US)
14th August 2026
54AQI (US)
15th August 2026
54AQI (US)
16th August 2026
22AQI (US)
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026

45AQI (US)

36AQI (US)

54AQI (US)

33AQI (US)

38AQI (US)

28AQI (US)

33AQI (US)

36AQI (US)

No. of days

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

202638AQI (US)

24
6
1
28
18
11
2
26
2
23
7
28
2
30
1
14
2
191
31
3

Highest AQI (US) recorded in

March

54AQI (US)

Lowest AQI (US) recorded in

June

28AQI (US)

202545AQI (US)

16
15
7
17
4
13
13
5
15
15
28
3
28
2
31
29
2
28
2
20
11
24
6
14
17
253
103
9

Highest AQI (US) recorded in

February

70AQI (US)

Lowest AQI (US) recorded in

September

26AQI (US)

202440AQI (US)

20
11
27
2
22
9
30
20
11
26
4
30
1
28
3
23
6
1
27
4
17
13
24
7
294
71
1

Highest AQI (US) recorded in

November

49AQI (US)

Lowest AQI (US) recorded in

July

31AQI (US)

202342AQI (US)

23
7
1
14
9
4
1
27
4
15
15
16
15
18
12
27
2
29
2
21
8
1
28
3
26
2
1
23
8
267
87
7
1

Highest AQI (US) recorded in

February

64AQI (US)

Lowest AQI (US) recorded in

August

31AQI (US)

202242AQI (US)

20
10
1
19
2
7
17
5
1
17
13
25
5
23
1
24
1
4
26
3
31
24
6
16
14
1
236
72
7
1

Highest AQI (US) recorded in

March

75AQI (US)

Lowest AQI (US) recorded in

August

27AQI (US)

202140AQI (US)

18
22
6
22
8
1
25
3
28
3
15
7
3
4
27
4
31
15
13
27
4
24
6
24
7
278
61
4
4

Highest AQI (US) recorded in

June

69AQI (US)

Lowest AQI (US) recorded in

January

26AQI (US)

202027AQI (US)

13
20
1
18
30
31
28
3
28
30
21
9
16
2
235
15

Highest AQI (US) recorded in

November

38AQI (US)

Lowest AQI (US) recorded in

July

18AQI (US)

Most & Least Polluted Years Over the Last 7 Years

Most Polluted Year Recorded
2025(Avg.)
45AQI (US)
Least Polluted Year Recorded
2020(Avg.)
27AQI (US)

Grande Synthe's annual 2026 AQI (US) (38) shows an average percentage change of -0.6% (improved AQI (US)) compared to previous years: 2020 (27), 2021 (40), 2022 (42), 2023 (42), 2024 (40), 2025 (45).