Herouville Saint Clair, Normandie, 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
Herouville Saint Clair, Normandie, France
2021
2022
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2024
42AQILowest AQI recorded on
19th Aug 2021
4AQISame Day Analysis (8th August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 29 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Herouville Saint Clair, Normandie, France
AQI
Day
Night
.
6 AM8th Aug 2025
9 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
10AM8th Aug
33AQI
Avg. Lowest Time
8PM8th Aug
25AQI
Night time
Avg. Highest Time
12AM9th Aug
30AQI
Avg. Lowest Time
4AM9th Aug
22AQI
In the last 24 hours,
Herouville Saint Clair's AQI reached its highest point of 33 at 10 AM during the Day, while the lowest point, 22, was recorded at 4 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Herouville Saint Clair, Normandie, France
JulAug
10th - 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 - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025246 AMAQI
10th Jul 2025237 AMAQI
10th Jul 2025258 AMAQI
10th Jul 2025299 AMAQI
10th Jul 20252810 AMAQI
10th Jul 20253111 AMAQI
10th Jul 20253012 PMAQI
10th Jul 2025261 PMAQI
10th Jul 2025232 PMAQI
10th Jul 2025223 PMAQI
10th Jul 2025204 PMAQI
10th Jul 2025225 PMAQI
10th Jul 2025206 PMAQI
10th Jul 2025187 PMAQI
10th Jul 2025198 PMAQI
10th Jul 2025279 PMAQI
10th Jul 20253010 PMAQI
10th Jul 20253511 PMAQI
11th Jul 20253712 AMAQI
11th Jul 2025321 AMAQI
11th Jul 2025262 AMAQI
11th Jul 2025273 AMAQI
11th Jul 2025294 AMAQI
11th Jul 2025245 AMAQI
19°C11/26°C
11th Jul 2025306 AMAQI
11th Jul 2025297 AMAQI
11th Jul 2025358 AMAQI
11th Jul 2025369 AMAQI
11th Jul 20253810 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20253612 PMAQI
11th Jul 2025371 PMAQI
11th Jul 2025292 PMAQI
11th Jul 2025323 PMAQI
11th Jul 2025304 PMAQI
11th Jul 2025255 PMAQI
11th Jul 2025256 PMAQI
11th Jul 2025307 PMAQI
11th Jul 2025328 PMAQI
11th Jul 2025329 PMAQI
11th Jul 20253110 PMAQI
11th Jul 20253411 PMAQI
12th Jul 20253012 AMAQI
12th Jul 2025361 AMAQI
12th Jul 2025322 AMAQI
12th Jul 2025283 AMAQI
12th Jul 2025254 AMAQI
12th Jul 2025255 AMAQI
20°C14/26°C
12th Jul 2025316 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025328 AMAQI
12th Jul 2025359 AMAQI
12th Jul 20253510 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20253912 PMAQI
12th Jul 2025321 PMAQI
12th Jul 2025292 PMAQI
12th Jul 2025273 PMAQI
12th Jul 2025254 PMAQI
12th Jul 2025275 PMAQI
12th Jul 2025326 PMAQI
12th Jul 2025297 PMAQI
12th Jul 2025318 PMAQI
12th Jul 2025349 PMAQI
12th Jul 20253410 PMAQI
12th Jul 20253011 PMAQI
13th Jul 20253012 AMAQI
13th Jul 2025311 AMAQI
13th Jul 2025352 AMAQI
13th Jul 2025363 AMAQI
13th Jul 2025344 AMAQI
13th Jul 2025365 AMAQI
21°C15/26°C
13th Jul 2025336 AMAQI
13th Jul 2025317 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025289 AMAQI
13th Jul 20252710 AMAQI
13th Jul 20253111 AMAQI
13th Jul 20252912 PMAQI
13th Jul 2025351 PMAQI
13th Jul 2025392 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025414 PMAQI
13th Jul 2025445 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025327 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025379 PMAQI
13th Jul 20254010 PMAQI
13th Jul 20254011 PMAQI
14th Jul 20254112 AMAQI
14th Jul 2025421 AMAQI
14th Jul 2025382 AMAQI
14th Jul 2025353 AMAQI
14th Jul 2025314 AMAQI
14th Jul 2025295 AMAQI
22°C15/29°C
14th Jul 2025296 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025348 AMAQI
14th Jul 2025319 AMAQI
14th Jul 20253010 AMAQI
14th Jul 20252911 AMAQI
14th Jul 20252912 PMAQI
14th Jul 2025251 PMAQI
14th Jul 2025242 PMAQI
14th Jul 2025263 PMAQI
14th Jul 2025284 PMAQI
14th Jul 2025285 PMAQI
14th Jul 2025276 PMAQI
14th Jul 2025307 PMAQI
14th Jul 2025288 PMAQI
14th Jul 2025299 PMAQI
14th Jul 20252810 PMAQI
14th Jul 20252411 PMAQI
15th Jul 20252512 AMAQI
15th Jul 2025291 AMAQI
15th Jul 2025262 AMAQI
15th Jul 2025233 AMAQI
15th Jul 2025244 AMAQI
15th Jul 2025235 AMAQI
19°C13/26°C
15th Jul 2025216 AMAQI
15th Jul 2025217 AMAQI
15th Jul 2025228 AMAQI
15th Jul 2025239 AMAQI
15th Jul 20252210 AMAQI
15th Jul 20252311 AMAQI
15th Jul 20252212 PMAQI
15th Jul 2025231 PMAQI
15th Jul 2025222 PMAQI
15th Jul 2025233 PMAQI
15th Jul 2025244 PMAQI
15th Jul 2025245 PMAQI
15th Jul 2025256 PMAQI
15th Jul 2025247 PMAQI
15th Jul 2025288 PMAQI
15th Jul 2025239 PMAQI
15th Jul 20252310 PMAQI
15th Jul 20252311 PMAQI
16th Jul 20252612 AMAQI
16th Jul 2025251 AMAQI
16th Jul 2025262 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025274 AMAQI
16th Jul 2025245 AMAQI
19°C12/25°C
16th Jul 2025266 AMAQI
16th Jul 2025267 AMAQI
16th Jul 2025278 AMAQI
16th Jul 2025269 AMAQI
16th Jul 20252610 AMAQI
16th Jul 20252711 AMAQI
16th Jul 20252612 PMAQI
16th Jul 2025251 PMAQI
16th Jul 2025252 PMAQI
16th Jul 2025263 PMAQI
16th Jul 2025274 PMAQI
16th Jul 2025275 PMAQI
16th Jul 2025286 PMAQI
16th Jul 2025287 PMAQI
16th Jul 2025268 PMAQI
16th Jul 2025279 PMAQI
16th Jul 20253010 PMAQI
16th Jul 20252911 PMAQI
17th Jul 20253012 AMAQI
17th Jul 2025311 AMAQI
17th Jul 2025262 AMAQI
17th Jul 2025223 AMAQI
17th Jul 2025234 AMAQI
17th Jul 2025225 AMAQI
18°C17/20°C
17th Jul 2025236 AMAQI
17th Jul 2025237 AMAQI
17th Jul 2025268 AMAQI
17th Jul 2025249 AMAQI
17th Jul 20252510 AMAQI
17th Jul 20252411 AMAQI
17th Jul 20252212 PMAQI
17th Jul 2025231 PMAQI
17th Jul 2025232 PMAQI
17th Jul 2025233 PMAQI
17th Jul 2025244 PMAQI
17th Jul 2025225 PMAQI
17th Jul 2025226 PMAQI
17th Jul 2025207 PMAQI
17th Jul 2025268 PMAQI
17th Jul 2025239 PMAQI
17th Jul 20252310 PMAQI
17th Jul 20252311 PMAQI
18th Jul 20252212 AMAQI
18th Jul 2025231 AMAQI
18th Jul 2025202 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025214 AMAQI
18th Jul 2025205 AMAQI
21°C17/26°C
18th Jul 2025226 AMAQI
18th Jul 2025247 AMAQI
18th Jul 2025268 AMAQI
18th Jul 2025259 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20252612 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025232 PMAQI
18th Jul 2025233 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025255 PMAQI
18th Jul 2025266 PMAQI
18th Jul 2025257 PMAQI
18th Jul 2025248 PMAQI
18th Jul 2025249 PMAQI
18th Jul 20252510 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252612 AMAQI
19th Jul 2025261 AMAQI
19th Jul 2025252 AMAQI
19th Jul 2025243 AMAQI
19th Jul 2025264 AMAQI
19th Jul 2025255 AMAQI
20°C17/27°C
19th Jul 2025266 AMAQI
19th Jul 2025247 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20253010 AMAQI
19th Jul 20252811 AMAQI
19th Jul 20252912 PMAQI
19th Jul 2025311 PMAQI
19th Jul 2025272 PMAQI
19th Jul 2025263 PMAQI
19th Jul 2025244 PMAQI
19th Jul 2025235 PMAQI
19th Jul 2025246 PMAQI
19th Jul 2025237 PMAQI
19th Jul 2025248 PMAQI
19th Jul 2025269 PMAQI
19th Jul 20252510 PMAQI
19th Jul 20253111 PMAQI
20th Jul 20253912 AMAQI
20th Jul 2025291 AMAQI
20th Jul 2025252 AMAQI
20th Jul 2025233 AMAQI
20th Jul 2025244 AMAQI
20th Jul 2025235 AMAQI
18°C16/22°C
20th Jul 2025236 AMAQI
20th Jul 2025247 AMAQI
20th Jul 2025248 AMAQI
20th Jul 2025239 AMAQI
20th Jul 20252110 AMAQI
20th Jul 20252011 AMAQI
20th Jul 20252312 PMAQI
20th Jul 2025221 PMAQI
20th Jul 2025232 PMAQI
20th Jul 2025253 PMAQI
20th Jul 2025194 PMAQI
20th Jul 2025215 PMAQI
20th Jul 2025206 PMAQI
20th Jul 2025207 PMAQI
20th Jul 2025208 PMAQI
20th Jul 2025189 PMAQI
20th Jul 20251810 PMAQI
20th Jul 20252111 PMAQI
21st Jul 20252112 AMAQI
21st Jul 2025221 AMAQI
21st Jul 2025212 AMAQI
21st Jul 2025223 AMAQI
21st Jul 2025224 AMAQI
21st Jul 2025215 AMAQI
18°C16/24°C
21st Jul 2025186 AMAQI
21st Jul 2025207 AMAQI
21st Jul 2025198 AMAQI
21st Jul 2025239 AMAQI
21st Jul 20252310 AMAQI
21st Jul 20252411 AMAQI
21st Jul 20252012 PMAQI
21st Jul 2025201 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025183 PMAQI
21st Jul 2025184 PMAQI
21st Jul 2025185 PMAQI
21st Jul 2025196 PMAQI
21st Jul 2025217 PMAQI
21st Jul 2025218 PMAQI
21st Jul 2025189 PMAQI
21st Jul 20252810 PMAQI
21st Jul 20252611 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025311 AMAQI
22nd Jul 2025232 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025194 AMAQI
22nd Jul 2025205 AMAQI
17°C15/22°C
22nd Jul 2025196 AMAQI
22nd Jul 2025187 AMAQI
22nd Jul 2025198 AMAQI
22nd Jul 2025199 AMAQI
22nd Jul 20251810 AMAQI
22nd Jul 20251811 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025201 PMAQI
22nd Jul 2025152 PMAQI
22nd Jul 2025153 PMAQI
22nd Jul 2025174 PMAQI
22nd Jul 2025175 PMAQI
22nd Jul 2025166 PMAQI
22nd Jul 2025167 PMAQI
22nd Jul 2025168 PMAQI
22nd Jul 2025189 PMAQI
22nd Jul 20251910 PMAQI
22nd Jul 20251911 PMAQI
23rd Jul 20252212 AMAQI
23rd Jul 2025221 AMAQI
23rd Jul 2025192 AMAQI
23rd Jul 2025183 AMAQI
23rd Jul 2025194 AMAQI
23rd Jul 2025185 AMAQI
18°C14/22°C
23rd Jul 2025186 AMAQI
23rd Jul 2025187 AMAQI
23rd Jul 2025178 AMAQI
23rd Jul 2025189 AMAQI
23rd Jul 20251810 AMAQI
23rd Jul 20251711 AMAQI
23rd Jul 20251612 PMAQI
23rd Jul 2025181 PMAQI
23rd Jul 2025182 PMAQI
23rd Jul 2025183 PMAQI
23rd Jul 2025184 PMAQI
23rd Jul 2025175 PMAQI
23rd Jul 2025186 PMAQI
23rd Jul 2025187 PMAQI
23rd Jul 2025198 PMAQI
23rd Jul 2025209 PMAQI
23rd Jul 20252410 PMAQI
23rd Jul 20252811 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025281 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025283 AMAQI
24th Jul 2025264 AMAQI
24th Jul 2025235 AMAQI
17°C14/20°C
24th Jul 2025226 AMAQI
24th Jul 2025257 AMAQI
24th Jul 2025278 AMAQI
24th Jul 2025299 AMAQI
24th Jul 20253310 AMAQI
24th Jul 20253211 AMAQI
24th Jul 20253612 PMAQI
24th Jul 2025401 PMAQI
24th Jul 2025302 PMAQI
24th Jul 2025283 PMAQI
24th Jul 2025274 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025266 PMAQI
24th Jul 2025277 PMAQI
24th Jul 2025298 PMAQI
24th Jul 2025299 PMAQI
24th Jul 20252810 PMAQI
24th Jul 20252811 PMAQI
25th Jul 20252812 AMAQI
25th Jul 2025271 AMAQI
25th Jul 2025262 AMAQI
25th Jul 2025253 AMAQI
25th Jul 2025254 AMAQI
25th Jul 2025275 AMAQI
18°C14/22°C
25th Jul 2025286 AMAQI
25th Jul 2025287 AMAQI
25th Jul 2025298 AMAQI
25th Jul 2025289 AMAQI
25th Jul 20252610 AMAQI
25th Jul 20253611 AMAQI
25th Jul 20253012 PMAQI
25th Jul 2025321 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025363 PMAQI
25th Jul 2025404 PMAQI
25th Jul 2025425 PMAQI
25th Jul 2025386 PMAQI
25th Jul 2025437 PMAQI
25th Jul 2025468 PMAQI
25th Jul 2025519 PMAQI
25th Jul 20255210 PMAQI
25th Jul 20255111 PMAQI
26th Jul 20254812 AMAQI
26th Jul 2025481 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025383 AMAQI
26th Jul 2025404 AMAQI
26th Jul 2025365 AMAQI
19°C16/22°C
26th Jul 2025396 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025368 AMAQI
26th Jul 2025359 AMAQI
26th Jul 20253610 AMAQI
26th Jul 20253311 AMAQI
26th Jul 20253712 PMAQI
26th Jul 2025361 PMAQI
26th Jul 2025322 PMAQI
26th Jul 2025303 PMAQI
26th Jul 2025284 PMAQI
26th Jul 2025305 PMAQI
26th Jul 2025296 PMAQI
26th Jul 2025307 PMAQI
26th Jul 2025288 PMAQI
26th Jul 2025329 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253312 AMAQI
27th Jul 2025331 AMAQI
27th Jul 2025302 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025214 AMAQI
27th Jul 2025205 AMAQI
18°C13/22°C
27th Jul 2025196 AMAQI
27th Jul 2025197 AMAQI
27th Jul 2025228 AMAQI
27th Jul 2025239 AMAQI
27th Jul 20252410 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252412 PMAQI
27th Jul 2025241 PMAQI
27th Jul 2025262 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025264 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025237 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025279 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252711 PMAQI
28th Jul 20252912 AMAQI
28th Jul 2025291 AMAQI
28th Jul 2025302 AMAQI
28th Jul 2025283 AMAQI
28th Jul 2025294 AMAQI
28th Jul 2025285 AMAQI
17°C13/21°C
28th Jul 2025286 AMAQI
28th Jul 2025287 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025309 AMAQI
28th Jul 20253110 AMAQI
28th Jul 20252811 AMAQI
28th Jul 20252712 PMAQI
28th Jul 2025281 PMAQI
28th Jul 2025272 PMAQI
28th Jul 2025263 PMAQI
28th Jul 2025264 PMAQI
28th Jul 2025265 PMAQI
28th Jul 2025276 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025289 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252711 PMAQI
29th Jul 20252812 AMAQI
29th Jul 2025321 AMAQI
29th Jul 2025322 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025284 AMAQI
29th Jul 2025265 AMAQI
18°C13/22°C
29th Jul 2025286 AMAQI
29th Jul 2025287 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025289 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20252811 AMAQI
29th Jul 20252812 PMAQI
29th Jul 2025271 PMAQI
29th Jul 2025272 PMAQI
29th Jul 2025273 PMAQI
29th Jul 2025244 PMAQI
29th Jul 2025265 PMAQI
29th Jul 2025266 PMAQI
29th Jul 2025277 PMAQI
29th Jul 2025298 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253211 PMAQI
30th Jul 20253212 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025282 AMAQI
30th Jul 2025263 AMAQI
30th Jul 2025274 AMAQI
30th Jul 2025265 AMAQI
17°C13/21°C
30th Jul 2025256 AMAQI
30th Jul 2025247 AMAQI
30th Jul 2025258 AMAQI
30th Jul 2025269 AMAQI
30th Jul 20252610 AMAQI
30th Jul 20252811 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025261 PMAQI
30th Jul 2025252 PMAQI
30th Jul 2025263 PMAQI
30th Jul 2025244 PMAQI
30th Jul 2025245 PMAQI
30th Jul 2025246 PMAQI
30th Jul 2025267 PMAQI
30th Jul 2025248 PMAQI
30th Jul 2025239 PMAQI
30th Jul 20252310 PMAQI
30th Jul 20252311 PMAQI
31st Jul 20252312 AMAQI
31st Jul 2025231 AMAQI
31st Jul 2025232 AMAQI
31st Jul 2025233 AMAQI
31st Jul 2025254 AMAQI
31st Jul 2025265 AMAQI
18°C14/23°C
31st Jul 2025256 AMAQI
31st Jul 2025267 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20253110 AMAQI
31st Jul 20252611 AMAQI
31st Jul 20252512 PMAQI
31st Jul 2025241 PMAQI
31st Jul 2025202 PMAQI
31st Jul 2025223 PMAQI
31st Jul 2025254 PMAQI
31st Jul 2025245 PMAQI
31st Jul 2025246 PMAQI
31st Jul 2025237 PMAQI
31st Jul 2025248 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20252410 PMAQI
31st Jul 20252511 PMAQI
1st Aug 20252512 AMAQI
1st Aug 2025231 AMAQI
1st Aug 2025222 AMAQI
1st Aug 2025233 AMAQI
1st Aug 2025184 AMAQI
1st Aug 2025235 AMAQI
19°C14/25°C
1st Aug 2025186 AMAQI
1st Aug 2025207 AMAQI
1st Aug 2025208 AMAQI
1st Aug 2025209 AMAQI
1st Aug 20252310 AMAQI
1st Aug 20252211 AMAQI
1st Aug 20252312 PMAQI
1st Aug 2025211 PMAQI
1st Aug 2025202 PMAQI
1st Aug 2025223 PMAQI
1st Aug 2025244 PMAQI
1st Aug 2025225 PMAQI
1st Aug 2025196 PMAQI
1st Aug 2025227 PMAQI
1st Aug 2025228 PMAQI
1st Aug 2025229 PMAQI
1st Aug 20252210 PMAQI
1st Aug 20252211 PMAQI
2nd Aug 20252212 AMAQI
2nd Aug 2025231 AMAQI
2nd Aug 2025192 AMAQI
2nd Aug 2025183 AMAQI
2nd Aug 2025194 AMAQI
2nd Aug 2025215 AMAQI
18°C14/20°C
2nd Aug 2025196 AMAQI
2nd Aug 2025197 AMAQI
2nd Aug 2025178 AMAQI
2nd Aug 2025199 AMAQI
2nd Aug 20252010 AMAQI
2nd Aug 20251911 AMAQI
2nd Aug 20251912 PMAQI
2nd Aug 2025211 PMAQI
2nd Aug 2025212 PMAQI
2nd Aug 2025213 PMAQI
2nd Aug 2025204 PMAQI
2nd Aug 2025215 PMAQI
2nd Aug 2025226 PMAQI
2nd Aug 2025217 PMAQI
2nd Aug 2025218 PMAQI
2nd Aug 2025219 PMAQI
2nd Aug 20252210 PMAQI
2nd Aug 20252211 PMAQI
3rd Aug 20252112 AMAQI
3rd Aug 2025211 AMAQI
3rd Aug 2025202 AMAQI
3rd Aug 2025253 AMAQI
3rd Aug 2025214 AMAQI
3rd Aug 2025225 AMAQI
16°C12/20°C
3rd Aug 2025216 AMAQI
3rd Aug 2025237 AMAQI
3rd Aug 2025228 AMAQI
3rd Aug 2025249 AMAQI
3rd Aug 20252410 AMAQI
3rd Aug 20252611 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025241 PMAQI
3rd Aug 2025212 PMAQI
3rd Aug 2025233 PMAQI
3rd Aug 2025204 PMAQI
3rd Aug 2025225 PMAQI
3rd Aug 2025246 PMAQI
3rd Aug 2025227 PMAQI
3rd Aug 2025248 PMAQI
3rd Aug 2025239 PMAQI
3rd Aug 20252410 PMAQI
3rd Aug 20252611 PMAQI
4th Aug 20252312 AMAQI
4th Aug 2025241 AMAQI
4th Aug 2025232 AMAQI
4th Aug 2025243 AMAQI
4th Aug 2025254 AMAQI
4th Aug 2025255 AMAQI
18°C10/25°C
4th Aug 2025226 AMAQI
4th Aug 2025217 AMAQI
4th Aug 2025238 AMAQI
4th Aug 2025229 AMAQI
4th Aug 20252210 AMAQI
4th Aug 20252211 AMAQI
4th Aug 20252212 PMAQI
4th Aug 2025241 PMAQI
4th Aug 2025232 PMAQI
4th Aug 2025243 PMAQI
4th Aug 2025224 PMAQI
4th Aug 2025225 PMAQI
4th Aug 2025226 PMAQI
4th Aug 2025227 PMAQI
4th Aug 2025228 PMAQI
4th Aug 2025229 PMAQI
4th Aug 20252410 PMAQI
4th Aug 20252311 PMAQI
5th Aug 20252412 AMAQI
5th Aug 2025241 AMAQI
5th Aug 2025212 AMAQI
5th Aug 2025203 AMAQI
5th Aug 2025224 AMAQI
5th Aug 2025215 AMAQI
22°C18/29°C
5th Aug 2025236 AMAQI
5th Aug 2025247 AMAQI
5th Aug 2025248 AMAQI
5th Aug 2025259 AMAQI
5th Aug 20252510 AMAQI
5th Aug 20252711 AMAQI
5th Aug 20252712 PMAQI
5th Aug 2025281 PMAQI
5th Aug 2025262 PMAQI
5th Aug 2025263 PMAQI
5th Aug 2025224 PMAQI
5th Aug 2025235 PMAQI
5th Aug 2025246 PMAQI
5th Aug 2025247 PMAQI
5th Aug 2025228 PMAQI
5th Aug 2025249 PMAQI
5th Aug 20252410 PMAQI
5th Aug 20252411 PMAQI
6th Aug 20252412 AMAQI
6th Aug 2025241 AMAQI
6th Aug 2025242 AMAQI
6th Aug 2025233 AMAQI
6th Aug 2025254 AMAQI
6th Aug 2025225 AMAQI
18°C13/21°C
6th Aug 2025246 AMAQI
6th Aug 2025267 AMAQI
6th Aug 2025268 AMAQI
6th Aug 2025259 AMAQI
6th Aug 20252910 AMAQI
6th Aug 20252411 AMAQI
6th Aug 20253212 PMAQI
6th Aug 2025291 PMAQI
6th Aug 2025272 PMAQI
6th Aug 2025263 PMAQI
6th Aug 2025264 PMAQI
6th Aug 2025275 PMAQI
6th Aug 2025266 PMAQI
6th Aug 2025287 PMAQI
6th Aug 2025288 PMAQI
6th Aug 2025249 PMAQI
6th Aug 20252410 PMAQI
6th Aug 20252511 PMAQI
7th Aug 20252612 AMAQI
7th Aug 2025261 AMAQI
7th Aug 2025242 AMAQI
7th Aug 2025283 AMAQI
7th Aug 2025304 AMAQI
7th Aug 2025285 AMAQI
17°C12/24°C
7th Aug 2025276 AMAQI
7th Aug 2025257 AMAQI
7th Aug 2025238 AMAQI
7th Aug 2025249 AMAQI
7th Aug 20252510 AMAQI
7th Aug 20252711 AMAQI
7th Aug 20252812 PMAQI
7th Aug 2025261 PMAQI
7th Aug 2025282 PMAQI
7th Aug 2025263 PMAQI
7th Aug 2025284 PMAQI
7th Aug 2025265 PMAQI
7th Aug 2025266 PMAQI
7th Aug 2025287 PMAQI
7th Aug 2025268 PMAQI
7th Aug 2025269 PMAQI
7th Aug 20252610 PMAQI
7th Aug 20252611 PMAQI
8th Aug 20252512 AMAQI
8th Aug 2025251 AMAQI
8th Aug 2025262 AMAQI
8th Aug 2025283 AMAQI
8th Aug 2025314 AMAQI
8th Aug 2025325 AMAQI
20°C13/29°C
8th Aug 2025296 AMAQI
8th Aug 2025327 AMAQI
8th Aug 2025328 AMAQI
8th Aug 2025329 AMAQI
8th Aug 20253310 AMAQI
8th Aug 20253311 AMAQI
8th Aug 20253312 PMAQI
8th Aug 2025281 PMAQI
8th Aug 2025282 PMAQI
8th Aug 2025303 PMAQI
8th Aug 2025284 PMAQI
8th Aug 2025265 PMAQI
8th Aug 2025266 PMAQI
8th Aug 2025257 PMAQI
8th Aug 2025258 PMAQI
8th Aug 2025279 PMAQI
8th Aug 20252510 PMAQI
8th Aug 20252711 PMAQI
9th Aug 20253012 AMAQI
9th Aug 2025261 AMAQI
9th Aug 2025262 AMAQI
9th Aug 2025233 AMAQI
9th Aug 2025224 AMAQI
9th Aug 2025245 AMAQI
19°C15/24°C
9th Aug 2025246 AMAQI
6 AM9th Aug 2025267 AMAQI
9th Aug 2025288 AMAQI
9th Aug 2025259 AMAQI
9th Aug 20252410 AMAQI
9th Aug 20252311 AMAQI
9th Aug 20252412 PMAQI
9th Aug 2025231 PMAQI
1 PM9th Aug 2025222 PMAQI
9th Aug 2025213 PMAQI
9th Aug 2025214 PMAQI
9th Aug 2025215 PMAQI
9th Aug 2025226 PMAQI
9th Aug 2025227 PMAQI
9th Aug 2025228 PMAQI
9th Aug 2025229 PMAQI
9 PM9th Aug 20252410 PMAQI
9th Aug 20252411 PMAQI
1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 1 PM
26AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
6 AM - 9 PM
26AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 1 PM (Avg. 26), while the lowest AQI was between 6 AM to 9 PM (Avg. 26).
Night time
Avg. Highest Time
12 AM - 1 AM
28AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
2 AM - 5 AM
25AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 28), while the lowest AQI was between 2 AM to 5 AM (Avg. 25).
2025 Days Vs Air Quality
Herouville Saint Clair, Normandie, France
2025
76%
168
24%
52
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
168 DaysModerate
52 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 221 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
Herouville Saint Clair, Normandie, 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
36AQI
36AQI
2nd January 2025
37AQI
37AQI
3rd January 2025
45AQI
45AQI
4th January 2025
50AQI
50AQI
5th January 2025
39AQI
39AQI
6th January 2025
31AQI
31AQI
7th January 2025
30AQI
30AQI
8th January 2025
34AQI
34AQI
9th January 2025
31AQI
31AQI
10th January 2025
30AQI
30AQI
11th January 2025
44AQI
44AQI
12th January 2025
54AQI
54AQI
13th January 2025
58AQI
58AQI
14th January 2025
66AQI
66AQI
15th January 2025
72AQI
72AQI
16th January 2025
62AQI
62AQI
17th January 2025
62AQI
62AQI
18th January 2025
63AQI
63AQI
19th January 2025
59AQI
59AQI
20th January 2025
60AQI
60AQI
21st January 2025
63AQI
63AQI
22nd January 2025
64AQI
64AQI
23rd January 2025
51AQI
51AQI
24th January 2025
49AQI
49AQI
25th January 2025
42AQI
42AQI
26th January 2025
36AQI
36AQI
27th January 2025
33AQI
33AQI
28th January 2025
33AQI
33AQI
29th January 2025
30AQI
30AQI
30th January 2025
32AQI
32AQI
31st January 2025
35AQI
35AQI
1st February 2025
37AQI
37AQI
2nd February 2025
54AQI
54AQI
3rd February 2025
57AQI
57AQI
4th February 2025
51AQI
51AQI
5th February 2025
53AQI
53AQI
6th February 2025
52AQI
52AQI
7th February 2025
53AQI
53AQI
8th February 2025
51AQI
51AQI
9th February 2025
50AQI
50AQI
10th February 2025
51AQI
51AQI
11th February 2025
54AQI
54AQI
12th February 2025
58AQI
58AQI
13th February 2025
61AQI
61AQI
14th February 2025
62AQI
62AQI
15th February 2025
67AQI
67AQI
16th February 2025
67AQI
67AQI
17th February 2025
67AQI
67AQI
18th February 2025
69AQI
69AQI
19th February 2025
72AQI
72AQI
20th February 2025
60AQI
60AQI
21st February 2025
58AQI
58AQI
22nd February 2025
53AQI
53AQI
23rd February 2025
47AQI
47AQI
24th February 2025
42AQI
42AQI
25th February 2025
40AQI
40AQI
26th February 2025
34AQI
34AQI
27th February 2025
33AQI
33AQI
28th February 2025
43AQI
43AQI
1st March 2025
46AQI
46AQI
2nd March 2025
50AQI
50AQI
3rd March 2025
57AQI
57AQI
4th March 2025
61AQI
61AQI
5th March 2025
69AQI
69AQI
6th March 2025
63AQI
63AQI
7th March 2025
57AQI
57AQI
8th March 2025
56AQI
56AQI
9th March 2025
53AQI
53AQI
10th March 2025
50AQI
50AQI
11th March 2025
53AQI
53AQI
12th March 2025
48AQI
48AQI
13th March 2025
42AQI
42AQI
14th March 2025
44AQI
44AQI
15th March 2025
44AQI
44AQI
16th March 2025
44AQI
44AQI
17th March 2025
44AQI
44AQI
18th March 2025
48AQI
48AQI
19th March 2025
49AQI
49AQI
20th March 2025
47AQI
47AQI
21st March 2025
48AQI
48AQI
22nd March 2025
44AQI
44AQI
23rd March 2025
39AQI
39AQI
24th March 2025
41AQI
41AQI
25th March 2025
53AQI
53AQI
26th March 2025
56AQI
56AQI
27th March 2025
51AQI
51AQI
28th March 2025
47AQI
47AQI
29th March 2025
44AQI
44AQI
30th March 2025
41AQI
41AQI
31st March 2025
41AQI
41AQI
1st April 2025
40AQI
40AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
41AQI
41AQI
4th April 2025
38AQI
38AQI
5th April 2025
42AQI
42AQI
6th April 2025
41AQI
41AQI
7th April 2025
36AQI
36AQI
8th April 2025
46AQI
46AQI
9th April 2025
51AQI
51AQI
10th April 2025
52AQI
52AQI
11th April 2025
51AQI
51AQI
12th April 2025
49AQI
49AQI
13th April 2025
45AQI
45AQI
14th April 2025
30AQI
30AQI
15th April 2025
34AQI
34AQI
16th April 2025
23AQI
23AQI
17th April 2025
27AQI
27AQI
18th April 2025
30AQI
30AQI
19th April 2025
27AQI
27AQI
20th April 2025
27AQI
27AQI
21st April 2025
25AQI
25AQI
22nd April 2025
26AQI
26AQI
23rd April 2025
23AQI
23AQI
24th April 2025
34AQI
34AQI
25th April 2025
44AQI
44AQI
26th April 2025
54AQI
54AQI
27th April 2025
66AQI
66AQI
28th April 2025
54AQI
54AQI
29th April 2025
51AQI
51AQI
30th April 2025
50AQI
50AQI
1st May 2025
47AQI
47AQI
2nd May 2025
51AQI
51AQI
3rd May 2025
51AQI
51AQI
4th May 2025
40AQI
40AQI
5th May 2025
33AQI
33AQI
6th May 2025
28AQI
28AQI
7th May 2025
30AQI
30AQI
8th May 2025
31AQI
31AQI
9th May 2025
36AQI
36AQI
10th May 2025
31AQI
31AQI
11th May 2025
29AQI
29AQI
12th May 2025
27AQI
27AQI
13th May 2025
28AQI
28AQI
14th May 2025
35AQI
35AQI
15th May 2025
38AQI
38AQI
16th May 2025
36AQI
36AQI
17th May 2025
35AQI
35AQI
18th May 2025
40AQI
40AQI
19th May 2025
38AQI
38AQI
20th May 2025
34AQI
34AQI
21st May 2025
36AQI
36AQI
22nd May 2025
35AQI
35AQI
23rd May 2025
31AQI
31AQI
24th May 2025
31AQI
31AQI
25th May 2025
23AQI
23AQI
26th May 2025
26AQI
26AQI
27th May 2025
24AQI
24AQI
28th May 2025
22AQI
22AQI
29th May 2025
22AQI
22AQI
30th May 2025
25AQI
25AQI
31st May 2025
26AQI
26AQI
1st June 2025
26AQI
26AQI
2nd June 2025
25AQI
25AQI
3rd June 2025
26AQI
26AQI
4th June 2025
22AQI
22AQI
5th June 2025
20AQI
20AQI
6th June 2025
17AQI
17AQI
7th June 2025
17AQI
17AQI
8th June 2025
18AQI
18AQI
9th June 2025
32AQI
32AQI
10th June 2025
33AQI
33AQI
11th June 2025
31AQI
31AQI
12th June 2025
41AQI
41AQI
13th June 2025
39AQI
39AQI
14th June 2025
37AQI
37AQI
15th June 2025
29AQI
29AQI
16th June 2025
29AQI
29AQI
17th June 2025
30AQI
30AQI
18th June 2025
34AQI
34AQI
19th June 2025
41AQI
41AQI
20th June 2025
42AQI
42AQI
21st June 2025
43AQI
43AQI
22nd June 2025
43AQI
43AQI
23rd June 2025
31AQI
31AQI
24th June 2025
28AQI
28AQI
25th June 2025
27AQI
27AQI
26th June 2025
25AQI
25AQI
27th June 2025
25AQI
25AQI
28th June 2025
21AQI
21AQI
29th June 2025
23AQI
23AQI
30th June 2025
32AQI
32AQI
1st July 2025
39AQI
39AQI
2nd July 2025
37AQI
37AQI
3rd July 2025
24AQI
24AQI
4th July 2025
23AQI
23AQI
5th July 2025
21AQI
21AQI
6th July 2025
20AQI
20AQI
7th July 2025
20AQI
20AQI
8th July 2025
26AQI
26AQI
9th July 2025
25AQI
25AQI
10th July 2025
25AQI
25AQI
11th July 2025
31AQI
31AQI
12th July 2025
31AQI
31AQI
13th July 2025
35AQI
35AQI
14th July 2025
30AQI
30AQI
15th July 2025
24AQI
24AQI
16th July 2025
27AQI
27AQI
17th July 2025
24AQI
24AQI
18th July 2025
24AQI
24AQI
19th July 2025
26AQI
26AQI
20th July 2025
23AQI
23AQI
21st July 2025
21AQI
21AQI
22nd July 2025
19AQI
19AQI
23rd July 2025
19AQI
19AQI
24th July 2025
28AQI
28AQI
25th July 2025
35AQI
35AQI
26th July 2025
35AQI
35AQI
27th July 2025
25AQI
25AQI
28th July 2025
28AQI
28AQI
29th July 2025
28AQI
28AQI
30th July 2025
26AQI
26AQI
31st July 2025
25AQI
25AQI
1st August 2025
22AQI
22AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
23AQI
23AQI
4th August 2025
23AQI
23AQI
5th August 2025
24AQI
24AQI
6th August 2025
26AQI
26AQI
7th August 2025
26AQI
26AQI
8th August 2025
29AQI
29AQI
46AQI
53AQI
49AQI
40AQI
33AQI
30AQI
27AQI
24AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202539AQI
19
12
8
20
20
11
23
7
29
2
30
31
8
168
52
Highest AQI recorded in
February53AQI
Lowest AQI recorded in
August24AQI
202432AQI
16
1
1
12
30
31
31
25
4
29
2
21
9
29
2
226
17
Highest AQI recorded in
November44AQI
Lowest AQI recorded in
April12AQI
202317AQI
3
31
34
Highest AQI recorded in
November18AQI
Lowest AQI recorded in
December16AQI
202226AQI
21
10
21
1
15
15
1
23
5
30
1
30
18
6
2
29
30
30
12
261
38
1
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
September11AQI
202132AQI
19
9
1
22
6
20
11
25
5
29
2
30
31
31
26
4
29
2
27
3
26
5
315
47
1
Highest AQI recorded in
January40AQI
Lowest AQI recorded in
August23AQI
202028AQI
8
4
1
11
10
18
30
30
1
29
2
27
3
30
1
23
7
28
1
234
29
1
Highest AQI recorded in
April49AQI
Lowest AQI recorded in
December20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
39AQILeast Polluted Year Recorded
2023(Avg.)
17AQIHerouville Saint Clair's annual 2025 AQI (39) shows an average percentage change of 52.7% (worsened AQI) compared to previous years: 2020 (28), 2021 (32), 2022 (26), 2023 (17), 2024 (32).
