Saint Denis, Reunion, Reunion 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
Saint Denis, Reunion, Reunion
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2025
83AQILowest AQI recorded on
15th Aug 2023
18AQISame Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 63 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Saint Denis, Reunion, Reunion
AQI
Day
Night
.
6 AM4th Aug 2025
5 PM
5 AM5th Aug 2025
Day time
Avg. Highest Time
6PM4th Aug
71AQI
Avg. Lowest Time
6AM4th Aug
26AQI
Night time
Avg. Highest Time
9PM4th Aug
71AQI
Avg. Lowest Time
5AM5th Aug
27AQI
In the last 24 hours,
Saint Denis's AQI reached its highest point of 71 at 6 PM during the Day, while the lowest point, 26, was recorded at 6 AM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Saint Denis, Reunion, Reunion
JulAug
06th - 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 - 03rd03rd - 04th04th - 05th05th
Day
Night
6th Jul 2025256 AMAQI
6th Jul 2025277 AMAQI
6th Jul 2025348 AMAQI
6th Jul 2025419 AMAQI
6th Jul 20254210 AMAQI
6th Jul 20253211 AMAQI
6th Jul 20254812 PMAQI
6th Jul 2025471 PMAQI
6th Jul 2025392 PMAQI
6th Jul 2025423 PMAQI
6th Jul 2025424 PMAQI
6th Jul 2025415 PMAQI
6th Jul 2025446 PMAQI
6th Jul 2025377 PMAQI
6th Jul 2025368 PMAQI
6th Jul 2025369 PMAQI
6th Jul 20253310 PMAQI
6th Jul 20253511 PMAQI
7th Jul 20253712 AMAQI
7th Jul 2025391 AMAQI
7th Jul 2025382 AMAQI
7th Jul 2025413 AMAQI
7th Jul 2025264 AMAQI
7th Jul 2025175 AMAQI
19°C15/23°C
7th Jul 2025196 AMAQI
7th Jul 2025247 AMAQI
7th Jul 2025338 AMAQI
7th Jul 2025399 AMAQI
7th Jul 20252310 AMAQI
7th Jul 20253211 AMAQI
7th Jul 20254312 PMAQI
7th Jul 2025321 PMAQI
7th Jul 2025372 PMAQI
7th Jul 2025453 PMAQI
7th Jul 2025304 PMAQI
7th Jul 2025325 PMAQI
7th Jul 2025316 PMAQI
7th Jul 2025247 PMAQI
7th Jul 2025268 PMAQI
7th Jul 2025319 PMAQI
7th Jul 20253410 PMAQI
7th Jul 20252911 PMAQI
8th Jul 20252912 AMAQI
8th Jul 2025301 AMAQI
8th Jul 2025352 AMAQI
8th Jul 2025363 AMAQI
8th Jul 2025274 AMAQI
8th Jul 2025255 AMAQI
19°C16/23°C
8th Jul 2025306 AMAQI
8th Jul 2025277 AMAQI
8th Jul 2025468 AMAQI
8th Jul 2025449 AMAQI
8th Jul 20255010 AMAQI
8th Jul 20254811 AMAQI
8th Jul 20253812 PMAQI
8th Jul 2025421 PMAQI
8th Jul 2025342 PMAQI
8th Jul 2025363 PMAQI
8th Jul 2025274 PMAQI
8th Jul 2025295 PMAQI
8th Jul 2025266 PMAQI
8th Jul 2025267 PMAQI
8th Jul 2025268 PMAQI
8th Jul 2025289 PMAQI
8th Jul 20252910 PMAQI
8th Jul 20252811 PMAQI
9th Jul 20253312 AMAQI
9th Jul 2025321 AMAQI
9th Jul 2025322 AMAQI
9th Jul 2025323 AMAQI
9th Jul 2025344 AMAQI
9th Jul 2025265 AMAQI
20°C17/23°C
9th Jul 2025236 AMAQI
9th Jul 2025277 AMAQI
9th Jul 2025288 AMAQI
9th Jul 2025309 AMAQI
9th Jul 20253810 AMAQI
9th Jul 20253211 AMAQI
9th Jul 20253112 PMAQI
9th Jul 2025411 PMAQI
9th Jul 2025462 PMAQI
9th Jul 2025453 PMAQI
9th Jul 2025314 PMAQI
9th Jul 2025285 PMAQI
9th Jul 2025306 PMAQI
9th Jul 2025357 PMAQI
9th Jul 2025318 PMAQI
9th Jul 2025309 PMAQI
9th Jul 20253010 PMAQI
9th Jul 20252811 PMAQI
10th Jul 20253012 AMAQI
10th Jul 2025301 AMAQI
10th Jul 2025312 AMAQI
10th Jul 2025313 AMAQI
10th Jul 2025324 AMAQI
10th Jul 2025365 AMAQI
21°C19/22°C
10th Jul 2025316 AMAQI
10th Jul 2025337 AMAQI
10th Jul 2025468 AMAQI
10th Jul 2025399 AMAQI
10th Jul 20254310 AMAQI
10th Jul 20253511 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025521 PMAQI
10th Jul 2025522 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025334 PMAQI
10th Jul 2025345 PMAQI
10th Jul 2025406 PMAQI
10th Jul 2025357 PMAQI
10th Jul 2025368 PMAQI
10th Jul 2025329 PMAQI
10th Jul 20253510 PMAQI
10th Jul 20253011 PMAQI
11th Jul 20253212 AMAQI
11th Jul 2025381 AMAQI
11th Jul 2025362 AMAQI
11th Jul 2025383 AMAQI
11th Jul 2025344 AMAQI
11th Jul 2025345 AMAQI
21°C19/23°C
11th Jul 2025326 AMAQI
11th Jul 2025287 AMAQI
11th Jul 2025308 AMAQI
11th Jul 2025379 AMAQI
11th Jul 20254210 AMAQI
11th Jul 20254511 AMAQI
11th Jul 20254112 PMAQI
11th Jul 2025471 PMAQI
11th Jul 2025502 PMAQI
11th Jul 2025483 PMAQI
11th Jul 2025354 PMAQI
11th Jul 2025315 PMAQI
11th Jul 2025356 PMAQI
11th Jul 2025337 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025379 PMAQI
11th Jul 20253210 PMAQI
11th Jul 20253211 PMAQI
12th Jul 20253212 AMAQI
12th Jul 2025411 AMAQI
12th Jul 2025422 AMAQI
12th Jul 2025473 AMAQI
12th Jul 2025444 AMAQI
12th Jul 2025445 AMAQI
20°C17/23°C
12th Jul 2025436 AMAQI
12th Jul 2025427 AMAQI
12th Jul 2025518 AMAQI
12th Jul 2025439 AMAQI
12th Jul 20254210 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025462 PMAQI
12th Jul 2025483 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025406 PMAQI
12th Jul 2025417 PMAQI
12th Jul 2025468 PMAQI
12th Jul 2025499 PMAQI
12th Jul 20255010 PMAQI
12th Jul 20254511 PMAQI
13th Jul 20254112 AMAQI
13th Jul 2025421 AMAQI
13th Jul 2025412 AMAQI
13th Jul 2025473 AMAQI
13th Jul 2025434 AMAQI
13th Jul 2025315 AMAQI
20°C15/23°C
13th Jul 2025336 AMAQI
13th Jul 2025347 AMAQI
13th Jul 2025468 AMAQI
13th Jul 2025479 AMAQI
13th Jul 20254910 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025491 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025453 PMAQI
13th Jul 2025444 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025426 PMAQI
13th Jul 2025447 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025449 PMAQI
13th Jul 20254510 PMAQI
13th Jul 20253711 PMAQI
14th Jul 20254012 AMAQI
14th Jul 2025391 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025463 AMAQI
14th Jul 2025344 AMAQI
14th Jul 2025285 AMAQI
19°C16/22°C
14th Jul 2025246 AMAQI
14th Jul 2025297 AMAQI
14th Jul 2025468 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20253310 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20253212 PMAQI
14th Jul 2025351 PMAQI
14th Jul 2025342 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025324 PMAQI
14th Jul 2025325 PMAQI
14th Jul 2025346 PMAQI
14th Jul 2025407 PMAQI
14th Jul 2025408 PMAQI
14th Jul 2025439 PMAQI
14th Jul 20253910 PMAQI
14th Jul 20253211 PMAQI
15th Jul 20253012 AMAQI
15th Jul 2025341 AMAQI
15th Jul 2025312 AMAQI
15th Jul 2025323 AMAQI
15th Jul 2025254 AMAQI
15th Jul 2025225 AMAQI
19°C16/23°C
15th Jul 2025236 AMAQI
15th Jul 2025267 AMAQI
15th Jul 2025478 AMAQI
15th Jul 2025429 AMAQI
15th Jul 20254610 AMAQI
15th Jul 20255311 AMAQI
15th Jul 20255112 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025362 PMAQI
15th Jul 2025353 PMAQI
15th Jul 2025424 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025386 PMAQI
15th Jul 2025367 PMAQI
15th Jul 2025398 PMAQI
15th Jul 2025329 PMAQI
15th Jul 20253210 PMAQI
15th Jul 20252711 PMAQI
16th Jul 20252412 AMAQI
16th Jul 2025311 AMAQI
16th Jul 2025322 AMAQI
16th Jul 2025363 AMAQI
16th Jul 2025464 AMAQI
16th Jul 2025275 AMAQI
19°C16/23°C
16th Jul 2025336 AMAQI
16th Jul 2025397 AMAQI
16th Jul 2025358 AMAQI
16th Jul 2025359 AMAQI
16th Jul 20253810 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254812 PMAQI
16th Jul 2025521 PMAQI
16th Jul 2025482 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025404 PMAQI
16th Jul 2025395 PMAQI
16th Jul 2025366 PMAQI
16th Jul 2025407 PMAQI
16th Jul 2025398 PMAQI
16th Jul 2025389 PMAQI
16th Jul 20254310 PMAQI
16th Jul 20254211 PMAQI
17th Jul 20253712 AMAQI
17th Jul 2025331 AMAQI
17th Jul 2025402 AMAQI
17th Jul 2025343 AMAQI
17th Jul 2025404 AMAQI
17th Jul 2025355 AMAQI
20°C17/23°C
17th Jul 2025396 AMAQI
17th Jul 2025427 AMAQI
17th Jul 2025488 AMAQI
17th Jul 2025529 AMAQI
17th Jul 20255210 AMAQI
17th Jul 20255211 AMAQI
17th Jul 20255712 PMAQI
17th Jul 2025541 PMAQI
17th Jul 2025472 PMAQI
17th Jul 2025463 PMAQI
17th Jul 2025404 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025387 PMAQI
17th Jul 2025458 PMAQI
17th Jul 2025379 PMAQI
17th Jul 20254110 PMAQI
17th Jul 20253511 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025351 AMAQI
18th Jul 2025432 AMAQI
18th Jul 2025353 AMAQI
18th Jul 2025374 AMAQI
18th Jul 2025245 AMAQI
19°C16/22°C
18th Jul 2025286 AMAQI
18th Jul 2025267 AMAQI
18th Jul 2025348 AMAQI
18th Jul 2025269 AMAQI
18th Jul 20254010 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20254312 PMAQI
18th Jul 2025331 PMAQI
18th Jul 2025292 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025384 PMAQI
18th Jul 2025335 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025308 PMAQI
18th Jul 2025289 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20252911 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025353 AMAQI
19th Jul 2025354 AMAQI
19th Jul 2025355 AMAQI
20°C16/23°C
19th Jul 2025336 AMAQI
19th Jul 2025317 AMAQI
19th Jul 2025308 AMAQI
19th Jul 2025289 AMAQI
19th Jul 20254110 AMAQI
19th Jul 20253611 AMAQI
19th Jul 20254712 PMAQI
19th Jul 2025451 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025383 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025325 PMAQI
19th Jul 2025396 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025378 PMAQI
19th Jul 2025369 PMAQI
19th Jul 20254010 PMAQI
19th Jul 20254511 PMAQI
20th Jul 20254212 AMAQI
20th Jul 2025341 AMAQI
20th Jul 2025392 AMAQI
20th Jul 2025403 AMAQI
20th Jul 2025374 AMAQI
20th Jul 2025255 AMAQI
19°C16/22°C
20th Jul 2025456 AMAQI
20th Jul 2025347 AMAQI
20th Jul 2025288 AMAQI
20th Jul 2025259 AMAQI
20th Jul 20252910 AMAQI
20th Jul 20253411 AMAQI
20th Jul 20253812 PMAQI
20th Jul 2025351 PMAQI
20th Jul 2025462 PMAQI
20th Jul 2025463 PMAQI
20th Jul 2025474 PMAQI
20th Jul 2025435 PMAQI
20th Jul 2025396 PMAQI
20th Jul 2025437 PMAQI
20th Jul 2025398 PMAQI
20th Jul 2025379 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253911 PMAQI
21st Jul 20254612 AMAQI
21st Jul 2025421 AMAQI
21st Jul 2025462 AMAQI
21st Jul 2025413 AMAQI
21st Jul 2025334 AMAQI
21st Jul 2025365 AMAQI
18°C15/21°C
21st Jul 2025256 AMAQI
21st Jul 2025217 AMAQI
21st Jul 2025368 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253910 AMAQI
21st Jul 20252811 AMAQI
21st Jul 20252712 PMAQI
21st Jul 2025281 PMAQI
21st Jul 2025192 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025414 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025346 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025458 PMAQI
21st Jul 2025479 PMAQI
21st Jul 20254510 PMAQI
21st Jul 20255311 PMAQI
22nd Jul 20255112 AMAQI
22nd Jul 2025471 AMAQI
22nd Jul 2025502 AMAQI
22nd Jul 2025533 AMAQI
22nd Jul 2025364 AMAQI
22nd Jul 2025285 AMAQI
18°C15/22°C
22nd Jul 2025266 AMAQI
22nd Jul 2025367 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253711 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025361 PMAQI
22nd Jul 2025382 PMAQI
22nd Jul 2025323 PMAQI
22nd Jul 2025374 PMAQI
22nd Jul 2025395 PMAQI
22nd Jul 2025286 PMAQI
22nd Jul 2025447 PMAQI
22nd Jul 2025408 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254910 PMAQI
22nd Jul 20254011 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025351 AMAQI
23rd Jul 2025422 AMAQI
23rd Jul 2025483 AMAQI
23rd Jul 2025384 AMAQI
23rd Jul 2025315 AMAQI
19°C15/22°C
23rd Jul 2025246 AMAQI
23rd Jul 2025277 AMAQI
23rd Jul 2025198 AMAQI
23rd Jul 2025319 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025332 PMAQI
23rd Jul 2025373 PMAQI
23rd Jul 2025284 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025326 PMAQI
23rd Jul 2025317 PMAQI
23rd Jul 2025258 PMAQI
23rd Jul 2025329 PMAQI
23rd Jul 20253410 PMAQI
23rd Jul 20253711 PMAQI
24th Jul 20253412 AMAQI
24th Jul 2025321 AMAQI
24th Jul 2025362 AMAQI
24th Jul 2025373 AMAQI
24th Jul 2025254 AMAQI
24th Jul 2025195 AMAQI
19°C15/23°C
24th Jul 2025196 AMAQI
24th Jul 2025197 AMAQI
24th Jul 2025278 AMAQI
24th Jul 2025289 AMAQI
24th Jul 20252810 AMAQI
24th Jul 20253111 AMAQI
24th Jul 20253212 PMAQI
24th Jul 2025321 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025313 PMAQI
24th Jul 2025284 PMAQI
24th Jul 2025265 PMAQI
24th Jul 2025256 PMAQI
24th Jul 2025257 PMAQI
24th Jul 2025268 PMAQI
24th Jul 2025309 PMAQI
24th Jul 20252610 PMAQI
24th Jul 20253211 PMAQI
25th Jul 20253112 AMAQI
25th Jul 2025311 AMAQI
25th Jul 2025302 AMAQI
25th Jul 2025333 AMAQI
25th Jul 2025354 AMAQI
25th Jul 2025245 AMAQI
19°C16/23°C
25th Jul 2025326 AMAQI
25th Jul 2025307 AMAQI
25th Jul 2025258 AMAQI
25th Jul 2025279 AMAQI
25th Jul 20253010 AMAQI
25th Jul 20253111 AMAQI
25th Jul 20252812 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025322 PMAQI
25th Jul 2025273 PMAQI
25th Jul 2025314 PMAQI
25th Jul 2025265 PMAQI
25th Jul 2025296 PMAQI
25th Jul 2025297 PMAQI
25th Jul 2025308 PMAQI
25th Jul 2025319 PMAQI
25th Jul 20253210 PMAQI
25th Jul 20253111 PMAQI
26th Jul 20253612 AMAQI
26th Jul 2025381 AMAQI
26th Jul 2025312 AMAQI
26th Jul 2025313 AMAQI
26th Jul 2025334 AMAQI
26th Jul 2025355 AMAQI
20°C16/22°C
26th Jul 2025306 AMAQI
26th Jul 2025307 AMAQI
26th Jul 2025278 AMAQI
26th Jul 2025299 AMAQI
26th Jul 20254010 AMAQI
26th Jul 20253811 AMAQI
26th Jul 20254712 PMAQI
26th Jul 2025421 PMAQI
26th Jul 2025392 PMAQI
26th Jul 2025423 PMAQI
26th Jul 2025424 PMAQI
26th Jul 2025405 PMAQI
26th Jul 2025326 PMAQI
26th Jul 2025447 PMAQI
26th Jul 2025408 PMAQI
26th Jul 2025399 PMAQI
26th Jul 20254810 PMAQI
26th Jul 20254811 PMAQI
27th Jul 20254812 AMAQI
27th Jul 2025351 AMAQI
27th Jul 2025372 AMAQI
27th Jul 2025393 AMAQI
27th Jul 2025324 AMAQI
27th Jul 2025265 AMAQI
19°C15/22°C
27th Jul 2025196 AMAQI
27th Jul 2025227 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025319 AMAQI
27th Jul 20252210 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252712 PMAQI
27th Jul 2025281 PMAQI
27th Jul 2025232 PMAQI
27th Jul 2025273 PMAQI
27th Jul 2025274 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025346 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025368 PMAQI
27th Jul 2025309 PMAQI
27th Jul 20254110 PMAQI
27th Jul 20254211 PMAQI
28th Jul 20253312 AMAQI
28th Jul 2025311 AMAQI
28th Jul 2025372 AMAQI
28th Jul 2025403 AMAQI
28th Jul 2025254 AMAQI
28th Jul 2025205 AMAQI
20°C16/23°C
28th Jul 2025256 AMAQI
28th Jul 2025227 AMAQI
28th Jul 2025208 AMAQI
28th Jul 2025209 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20252311 AMAQI
28th Jul 20253012 PMAQI
28th Jul 2025261 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025233 PMAQI
28th Jul 2025314 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025246 PMAQI
28th Jul 2025307 PMAQI
28th Jul 2025298 PMAQI
28th Jul 2025359 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20253211 PMAQI
29th Jul 20253312 AMAQI
29th Jul 2025371 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025363 AMAQI
29th Jul 2025344 AMAQI
29th Jul 2025255 AMAQI
21°C17/23°C
29th Jul 2025226 AMAQI
29th Jul 2025277 AMAQI
29th Jul 2025268 AMAQI
29th Jul 2025319 AMAQI
29th Jul 20253710 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20253312 PMAQI
29th Jul 2025381 PMAQI
29th Jul 2025352 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025514 PMAQI
29th Jul 2025525 PMAQI
29th Jul 2025526 PMAQI
29th Jul 2025467 PMAQI
29th Jul 2025318 PMAQI
29th Jul 2025399 PMAQI
29th Jul 20253710 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20254112 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025422 AMAQI
30th Jul 2025383 AMAQI
30th Jul 2025474 AMAQI
30th Jul 2025395 AMAQI
20°C17/22°C
30th Jul 2025326 AMAQI
30th Jul 2025297 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025389 AMAQI
30th Jul 20253310 AMAQI
30th Jul 20253111 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025301 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025354 PMAQI
30th Jul 2025345 PMAQI
30th Jul 2025366 PMAQI
30th Jul 2025317 PMAQI
30th Jul 2025398 PMAQI
30th Jul 2025419 PMAQI
30th Jul 20254010 PMAQI
30th Jul 20253211 PMAQI
31st Jul 20252912 AMAQI
31st Jul 2025291 AMAQI
31st Jul 2025292 AMAQI
31st Jul 2025293 AMAQI
31st Jul 2025294 AMAQI
31st Jul 2025295 AMAQI
18°C15/21°C
31st Jul 2025226 AMAQI
31st Jul 2025307 AMAQI
31st Jul 2025268 AMAQI
31st Jul 2025269 AMAQI
31st Jul 20252810 AMAQI
31st Jul 20253211 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025281 PMAQI
31st Jul 2025282 PMAQI
31st Jul 2025433 PMAQI
31st Jul 2025854 PMAQI
31st Jul 2025805 PMAQI
31st Jul 2025896 PMAQI
31st Jul 2025677 PMAQI
31st Jul 2025878 PMAQI
31st Jul 2025779 PMAQI
31st Jul 20257710 PMAQI
31st Jul 20259711 PMAQI
1st Aug 20258612 AMAQI
1st Aug 2025961 AMAQI
1st Aug 2025962 AMAQI
1st Aug 20251043 AMAQI
1st Aug 2025724 AMAQI
1st Aug 2025735 AMAQI
17°C14/20°C
1st Aug 2025736 AMAQI
1st Aug 2025917 AMAQI
1st Aug 2025788 AMAQI
1st Aug 2025559 AMAQI
1st Aug 20254110 AMAQI
1st Aug 20253411 AMAQI
1st Aug 20256412 PMAQI
1st Aug 2025431 PMAQI
1st Aug 2025472 PMAQI
1st Aug 2025423 PMAQI
1st Aug 2025704 PMAQI
1st Aug 2025685 PMAQI
1st Aug 2025786 PMAQI
1st Aug 2025867 PMAQI
1st Aug 2025718 PMAQI
1st Aug 2025799 PMAQI
1st Aug 20256210 PMAQI
1st Aug 20258211 PMAQI
2nd Aug 20256912 AMAQI
2nd Aug 2025711 AMAQI
2nd Aug 2025952 AMAQI
2nd Aug 2025943 AMAQI
2nd Aug 2025474 AMAQI
2nd Aug 2025645 AMAQI
18°C14/21°C
2nd Aug 2025456 AMAQI
2nd Aug 2025757 AMAQI
2nd Aug 2025688 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20256011 AMAQI
2nd Aug 20253012 PMAQI
2nd Aug 2025421 PMAQI
2nd Aug 2025422 PMAQI
2nd Aug 2025573 PMAQI
2nd Aug 2025614 PMAQI
2nd Aug 2025585 PMAQI
2nd Aug 2025946 PMAQI
2nd Aug 2025687 PMAQI
2nd Aug 2025588 PMAQI
2nd Aug 2025659 PMAQI
2nd Aug 20257010 PMAQI
2nd Aug 20256511 PMAQI
3rd Aug 20256312 AMAQI
3rd Aug 2025631 AMAQI
3rd Aug 2025782 AMAQI
3rd Aug 2025793 AMAQI
3rd Aug 2025554 AMAQI
3rd Aug 2025325 AMAQI
19°C15/22°C
3rd Aug 2025486 AMAQI
3rd Aug 2025427 AMAQI
3rd Aug 2025458 AMAQI
3rd Aug 2025269 AMAQI
3rd Aug 20255810 AMAQI
3rd Aug 20253211 AMAQI
3rd Aug 20252412 PMAQI
3rd Aug 2025531 PMAQI
3rd Aug 2025492 PMAQI
3rd Aug 2025433 PMAQI
3rd Aug 2025534 PMAQI
3rd Aug 2025625 PMAQI
3rd Aug 2025576 PMAQI
3rd Aug 2025707 PMAQI
3rd Aug 2025748 PMAQI
3rd Aug 2025569 PMAQI
3rd Aug 20256910 PMAQI
3rd Aug 20256311 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025712 AMAQI
4th Aug 2025593 AMAQI
4th Aug 2025394 AMAQI
4th Aug 2025285 AMAQI
19°C15/23°C
4th Aug 2025266 AMAQI
4th Aug 2025277 AMAQI
4th Aug 2025528 AMAQI
4th Aug 2025429 AMAQI
4th Aug 20255910 AMAQI
4th Aug 20253711 AMAQI
4th Aug 20253212 PMAQI
4th Aug 2025461 PMAQI
4th Aug 2025512 PMAQI
4th Aug 2025453 PMAQI
4th Aug 2025424 PMAQI
4th Aug 2025395 PMAQI
4th Aug 2025716 PMAQI
4th Aug 2025487 PMAQI
4th Aug 2025548 PMAQI
4th Aug 2025719 PMAQI
4th Aug 20255210 PMAQI
4th Aug 20255111 PMAQI
5th Aug 20255512 AMAQI
5th Aug 2025581 AMAQI
5th Aug 2025592 AMAQI
5th Aug 2025693 AMAQI
5th Aug 2025544 AMAQI
5th Aug 2025275 AMAQI
19°C16/21°C
5th Aug 2025296 AMAQI
6 AM5th Aug 2025447 AMAQI
5th Aug 2025288 AMAQI
5th Aug 2025349 AMAQI
11 AM
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 5 PM
39AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
6 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 5 PM (Avg. 39), while the lowest AQI was between 6 AM to 6 AM (Avg. 31).
Night time
Avg. Highest Time
2 AM - 3 AM
45AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 AM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 3 AM (Avg. 45), while the lowest AQI was between 5 AM to 5 AM (Avg. 31).
2025 Days Vs Air Quality
Saint Denis, Reunion, Reunion
2025
97%
208
3%
7
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Good
208 DaysModerate
7 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 217 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Saint Denis, Reunion, Reunion
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
42AQI
42AQI
2nd January 2025
34AQI
34AQI
3rd January 2025
34AQI
34AQI
4th January 2025
30AQI
30AQI
5th January 2025
27AQI
27AQI
6th January 2025
26AQI
26AQI
7th January 2025
29AQI
29AQI
8th January 2025
26AQI
26AQI
9th January 2025
29AQI
29AQI
10th January 2025
26AQI
26AQI
11th January 2025
30AQI
30AQI
12th January 2025
42AQI
42AQI
13th January 2025
36AQI
36AQI
14th January 2025
33AQI
33AQI
15th January 2025
31AQI
31AQI
16th January 2025
26AQI
26AQI
17th January 2025
27AQI
27AQI
18th January 2025
23AQI
23AQI
19th January 2025
28AQI
28AQI
20th January 2025
23AQI
23AQI
21st January 2025
32AQI
32AQI
22nd January 2025
61AQI
61AQI
23rd January 2025
38AQI
38AQI
24th January 2025
32AQI
32AQI
25th January 2025
30AQI
30AQI
26th January 2025
39AQI
39AQI
27th January 2025
35AQI
35AQI
28th January 2025
32AQI
32AQI
29th January 2025
31AQI
31AQI
30th January 2025
36AQI
36AQI
31st January 2025
33AQI
33AQI
1st February 2025
40AQI
40AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
35AQI
35AQI
4th February 2025
35AQI
35AQI
5th February 2025
49AQI
49AQI
6th February 2025
39AQI
39AQI
7th February 2025
33AQI
33AQI
8th February 2025
31AQI
31AQI
9th February 2025
45AQI
45AQI
10th February 2025
31AQI
31AQI
11th February 2025
31AQI
31AQI
12th February 2025
27AQI
27AQI
13th February 2025
29AQI
29AQI
14th February 2025
24AQI
24AQI
15th February 2025
22AQI
22AQI
16th February 2025
24AQI
24AQI
17th February 2025
24AQI
24AQI
18th February 2025
30AQI
30AQI
19th February 2025
31AQI
31AQI
20th February 2025
25AQI
25AQI
21st February 2025
25AQI
25AQI
22nd February 2025
28AQI
28AQI
23rd February 2025
32AQI
32AQI
24th February 2025
25AQI
25AQI
25th February 2025
26AQI
26AQI
26th February 2025
30AQI
30AQI
27th February 2025
60AQI
60AQI
28th February 2025
36AQI
36AQI
1st March 2025
36AQI
36AQI
2nd March 2025
40AQI
40AQI
3rd March 2025
36AQI
36AQI
4th March 2025
41AQI
41AQI
5th March 2025
31AQI
31AQI
6th March 2025
31AQI
31AQI
7th March 2025
32AQI
32AQI
8th March 2025
39AQI
39AQI
9th March 2025
45AQI
45AQI
10th March 2025
31AQI
31AQI
11th March 2025
34AQI
34AQI
12th March 2025
28AQI
28AQI
13th March 2025
28AQI
28AQI
14th March 2025
27AQI
27AQI
15th March 2025
38AQI
38AQI
16th March 2025
40AQI
40AQI
17th March 2025
35AQI
35AQI
18th March 2025
29AQI
29AQI
19th March 2025
27AQI
27AQI
20th March 2025
31AQI
31AQI
21st March 2025
28AQI
28AQI
22nd March 2025
30AQI
30AQI
23rd March 2025
31AQI
31AQI
24th March 2025
28AQI
28AQI
25th March 2025
25AQI
25AQI
26th March 2025
27AQI
27AQI
27th March 2025
31AQI
31AQI
28th March 2025
24AQI
24AQI
29th March 2025
24AQI
24AQI
30th March 2025
24AQI
24AQI
31st March 2025
23AQI
23AQI
1st April 2025
26AQI
26AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
26AQI
26AQI
4th April 2025
26AQI
26AQI
5th April 2025
23AQI
23AQI
6th April 2025
21AQI
21AQI
7th April 2025
23AQI
23AQI
8th April 2025
20AQI
20AQI
9th April 2025
24AQI
24AQI
10th April 2025
23AQI
23AQI
11th April 2025
24AQI
24AQI
12th April 2025
35AQI
35AQI
13th April 2025
32AQI
32AQI
14th April 2025
27AQI
27AQI
15th April 2025
31AQI
31AQI
16th April 2025
30AQI
30AQI
17th April 2025
24AQI
24AQI
18th April 2025
23AQI
23AQI
19th April 2025
25AQI
25AQI
20th April 2025
30AQI
30AQI
21st April 2025
26AQI
26AQI
22nd April 2025
31AQI
31AQI
23rd April 2025
29AQI
29AQI
24th April 2025
27AQI
27AQI
25th April 2025
27AQI
27AQI
26th April 2025
35AQI
35AQI
27th April 2025
29AQI
29AQI
28th April 2025
34AQI
34AQI
29th April 2025
31AQI
31AQI
30th April 2025
33AQI
33AQI
1st May 2025
31AQI
31AQI
2nd May 2025
35AQI
35AQI
3rd May 2025
32AQI
32AQI
4th May 2025
32AQI
32AQI
5th May 2025
38AQI
38AQI
6th May 2025
43AQI
43AQI
7th May 2025
41AQI
41AQI
8th May 2025
42AQI
42AQI
9th May 2025
38AQI
38AQI
10th May 2025
40AQI
40AQI
11th May 2025
37AQI
37AQI
12th May 2025
35AQI
35AQI
13th May 2025
30AQI
30AQI
14th May 2025
34AQI
34AQI
15th May 2025
35AQI
35AQI
16th May 2025
37AQI
37AQI
17th May 2025
39AQI
39AQI
18th May 2025
40AQI
40AQI
19th May 2025
44AQI
44AQI
20th May 2025
35AQI
35AQI
21st May 2025
35AQI
35AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
32AQI
32AQI
24th May 2025
34AQI
34AQI
25th May 2025
35AQI
35AQI
26th May 2025
36AQI
36AQI
27th May 2025
35AQI
35AQI
28th May 2025
32AQI
32AQI
29th May 2025
34AQI
34AQI
30th May 2025
34AQI
34AQI
31st May 2025
34AQI
34AQI
1st June 2025
30AQI
30AQI
2nd June 2025
28AQI
28AQI
3rd June 2025
36AQI
36AQI
4th June 2025
31AQI
31AQI
5th June 2025
33AQI
33AQI
6th June 2025
32AQI
32AQI
7th June 2025
30AQI
30AQI
8th June 2025
33AQI
33AQI
9th June 2025
32AQI
32AQI
10th June 2025
37AQI
37AQI
11th June 2025
36AQI
36AQI
12th June 2025
32AQI
32AQI
13th June 2025
34AQI
34AQI
14th June 2025
33AQI
33AQI
15th June 2025
37AQI
37AQI
16th June 2025
39AQI
39AQI
17th June 2025
39AQI
39AQI
18th June 2025
51AQI
51AQI
19th June 2025
43AQI
43AQI
20th June 2025
39AQI
39AQI
21st June 2025
32AQI
32AQI
22nd June 2025
33AQI
33AQI
23rd June 2025
36AQI
36AQI
24th June 2025
36AQI
36AQI
25th June 2025
34AQI
34AQI
26th June 2025
31AQI
31AQI
27th June 2025
35AQI
35AQI
28th June 2025
40AQI
40AQI
29th June 2025
39AQI
39AQI
30th June 2025
35AQI
35AQI
1st July 2025
33AQI
33AQI
2nd July 2025
47AQI
47AQI
3rd July 2025
31AQI
31AQI
4th July 2025
34AQI
34AQI
5th July 2025
37AQI
37AQI
6th July 2025
42AQI
42AQI
7th July 2025
33AQI
33AQI
8th July 2025
34AQI
34AQI
9th July 2025
32AQI
32AQI
10th July 2025
37AQI
37AQI
11th July 2025
38AQI
38AQI
12th July 2025
46AQI
46AQI
13th July 2025
44AQI
44AQI
14th July 2025
37AQI
37AQI
15th July 2025
35AQI
35AQI
16th July 2025
41AQI
41AQI
17th July 2025
48AQI
48AQI
18th July 2025
34AQI
34AQI
19th July 2025
39AQI
39AQI
20th July 2025
42AQI
42AQI
21st July 2025
42AQI
42AQI
22nd July 2025
43AQI
43AQI
23rd July 2025
35AQI
35AQI
24th July 2025
29AQI
29AQI
25th July 2025
28AQI
28AQI
26th July 2025
40AQI
40AQI
27th July 2025
33AQI
33AQI
28th July 2025
29AQI
29AQI
29th July 2025
38AQI
38AQI
30th July 2025
40AQI
40AQI
31st July 2025
53AQI
53AQI
1st August 2025
83AQI
83AQI
2nd August 2025
74AQI
74AQI
3rd August 2025
63AQI
63AQI
32AQI
32AQI
31AQI
27AQI
36AQI
35AQI
38AQI
73AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
30
1
27
1
31
30
31
29
1
30
1
3
208
7
Highest AQI recorded in
August73AQI
Lowest AQI recorded in
April27AQI
202431AQI
28
29
31
29
31
28
1
1
31
25
6
30
31
22
8
31
315
46
1
Highest AQI recorded in
July63AQI
Lowest AQI recorded in
January20AQI
202322AQI
31
27
31
30
31
30
31
31
30
31
29
31
363
Highest AQI recorded in
January28AQI
Lowest AQI recorded in
December17AQI
202225AQI
31
20
31
30
31
29
1
24
2
29
31
30
31
319
1
Highest AQI recorded in
February28AQI
Lowest AQI recorded in
May23AQI
202124AQI
27
28
30
1
30
31
30
31
27
1
30
31
30
31
356
2
Highest AQI recorded in
October29AQI
Lowest AQI recorded in
February20AQI
202024AQI
13
21
18
30
31
31
30
31
30
31
266
Highest AQI recorded in
October26AQI
Lowest AQI recorded in
March20AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2025(Avg.)
34AQILeast Polluted Year Recorded
2023(Avg.)
22AQISaint Denis's annual 2025 AQI (34) shows an average percentage change of 36.9% (worsened AQI) compared to previous years: 2020 (24), 2021 (24), 2022 (25), 2023 (22), 2024 (31).
