San Bernardino, California, United States 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
San Bernardino, California, United States
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
60AQILowest AQI recorded on
1st Aug 2025
45AQISame Day Analysis (9th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
San Bernardino, California, United States
AQI
Day
Night
.
5 AM9th Aug 2025
7 PM
4 AM10th Aug 2025
Day time
Avg. Highest Time
1PM9th Aug
56AQI
Avg. Lowest Time
8AM9th Aug
52AQI
Night time
Avg. Highest Time
8PM9th Aug
54AQI
Avg. Lowest Time
4AM10th Aug
50AQI
In the last 24 hours,
San Bernardino's AQI reached its highest point of 56 at 1 PM during the Day, while the lowest point, 50, was recorded at 4 AM during the Night between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
San Bernardino, California, United States
JulAug
11th - 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 - 10th10th
Day
Night
11th Jul 2025465 AMAQI
11th Jul 2025426 AMAQI
11th Jul 2025427 AMAQI
11th Jul 2025458 AMAQI
11th Jul 2025469 AMAQI
11th Jul 20255110 AMAQI
11th Jul 20255011 AMAQI
11th Jul 20255012 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025522 PMAQI
11th Jul 2025523 PMAQI
11th Jul 2025524 PMAQI
11th Jul 2025525 PMAQI
11th Jul 2025516 PMAQI
11th Jul 2025517 PMAQI
11th Jul 2025488 PMAQI
11th Jul 2025499 PMAQI
11th Jul 20255010 PMAQI
11th Jul 20255111 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025521 AMAQI
12th Jul 2025532 AMAQI
12th Jul 2025533 AMAQI
12th Jul 2025524 AMAQI
26°C19/34°C
12th Jul 2025525 AMAQI
12th Jul 2025526 AMAQI
12th Jul 2025527 AMAQI
12th Jul 2025518 AMAQI
12th Jul 2025509 AMAQI
12th Jul 20255210 AMAQI
12th Jul 20255111 AMAQI
12th Jul 20255312 PMAQI
12th Jul 2025551 PMAQI
12th Jul 2025542 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025534 PMAQI
12th Jul 2025525 PMAQI
12th Jul 2025506 PMAQI
12th Jul 2025507 PMAQI
12th Jul 2025508 PMAQI
12th Jul 2025519 PMAQI
12th Jul 20254810 PMAQI
12th Jul 20254811 PMAQI
13th Jul 20254712 AMAQI
13th Jul 2025491 AMAQI
13th Jul 2025462 AMAQI
13th Jul 2025443 AMAQI
13th Jul 2025364 AMAQI
25°C19/33°C
13th Jul 2025365 AMAQI
13th Jul 2025406 AMAQI
13th Jul 2025417 AMAQI
13th Jul 2025438 AMAQI
13th Jul 2025459 AMAQI
13th Jul 20254710 AMAQI
13th Jul 20254811 AMAQI
13th Jul 20255112 PMAQI
13th Jul 2025511 PMAQI
13th Jul 2025522 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025514 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025516 PMAQI
13th Jul 2025477 PMAQI
13th Jul 2025448 PMAQI
13th Jul 2025499 PMAQI
13th Jul 20255210 PMAQI
13th Jul 20254811 PMAQI
14th Jul 20254412 AMAQI
14th Jul 2025461 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025383 AMAQI
14th Jul 2025284 AMAQI
26°C21/34°C
14th Jul 2025285 AMAQI
14th Jul 2025266 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025348 AMAQI
14th Jul 2025409 AMAQI
14th Jul 20254610 AMAQI
14th Jul 20255211 AMAQI
14th Jul 20255012 PMAQI
14th Jul 2025521 PMAQI
14th Jul 2025522 PMAQI
14th Jul 2025473 PMAQI
14th Jul 2025464 PMAQI
14th Jul 2025545 PMAQI
14th Jul 2025456 PMAQI
14th Jul 2025437 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025439 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20253811 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025381 AMAQI
15th Jul 2025372 AMAQI
15th Jul 2025313 AMAQI
15th Jul 2025284 AMAQI
26°C17/35°C
15th Jul 2025275 AMAQI
15th Jul 2025266 AMAQI
15th Jul 2025307 AMAQI
15th Jul 2025368 AMAQI
15th Jul 2025349 AMAQI
15th Jul 20253610 AMAQI
15th Jul 20254611 AMAQI
15th Jul 20254612 PMAQI
15th Jul 2025401 PMAQI
15th Jul 2025402 PMAQI
15th Jul 2025423 PMAQI
15th Jul 2025394 PMAQI
15th Jul 2025395 PMAQI
15th Jul 2025406 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025388 PMAQI
15th Jul 2025399 PMAQI
15th Jul 20253710 PMAQI
15th Jul 20253811 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025361 AMAQI
16th Jul 2025372 AMAQI
16th Jul 2025433 AMAQI
16th Jul 2025534 AMAQI
25°C20/33°C
16th Jul 2025465 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025457 AMAQI
16th Jul 2025398 AMAQI
16th Jul 2025429 AMAQI
16th Jul 20254210 AMAQI
16th Jul 20254111 AMAQI
16th Jul 20254712 PMAQI
16th Jul 2025431 PMAQI
16th Jul 2025422 PMAQI
16th Jul 2025433 PMAQI
16th Jul 2025424 PMAQI
16th Jul 2025435 PMAQI
16th Jul 2025416 PMAQI
16th Jul 2025417 PMAQI
16th Jul 2025408 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20253610 PMAQI
16th Jul 20253611 PMAQI
17th Jul 20253212 AMAQI
17th Jul 2025311 AMAQI
17th Jul 2025282 AMAQI
17th Jul 2025243 AMAQI
17th Jul 2025224 AMAQI
25°C19/33°C
17th Jul 2025325 AMAQI
17th Jul 2025286 AMAQI
17th Jul 2025327 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025309 AMAQI
17th Jul 20253210 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20254212 PMAQI
17th Jul 2025361 PMAQI
17th Jul 2025332 PMAQI
17th Jul 2025323 PMAQI
17th Jul 2025314 PMAQI
17th Jul 2025325 PMAQI
17th Jul 2025286 PMAQI
17th Jul 2025307 PMAQI
17th Jul 2025328 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253610 PMAQI
17th Jul 20253211 PMAQI
18th Jul 20253012 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025332 AMAQI
18th Jul 2025303 AMAQI
18th Jul 2025294 AMAQI
26°C21/35°C
18th Jul 2025275 AMAQI
18th Jul 2025286 AMAQI
18th Jul 2025307 AMAQI
18th Jul 2025308 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20253011 AMAQI
18th Jul 20253612 PMAQI
18th Jul 2025321 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025323 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025345 PMAQI
18th Jul 2025366 PMAQI
18th Jul 2025327 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025369 PMAQI
18th Jul 20253810 PMAQI
18th Jul 20253711 PMAQI
19th Jul 20253612 AMAQI
19th Jul 2025361 AMAQI
19th Jul 2025352 AMAQI
19th Jul 2025323 AMAQI
19th Jul 2025304 AMAQI
25°C20/32°C
19th Jul 2025325 AMAQI
19th Jul 2025326 AMAQI
19th Jul 2025307 AMAQI
19th Jul 2025328 AMAQI
19th Jul 2025329 AMAQI
19th Jul 20253210 AMAQI
19th Jul 20253711 AMAQI
19th Jul 20254012 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025372 PMAQI
19th Jul 2025373 PMAQI
19th Jul 2025374 PMAQI
19th Jul 2025385 PMAQI
19th Jul 2025366 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025388 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253810 PMAQI
19th Jul 20253611 PMAQI
20th Jul 20253512 AMAQI
20th Jul 2025371 AMAQI
20th Jul 2025362 AMAQI
20th Jul 2025313 AMAQI
20th Jul 2025324 AMAQI
25°C21/32°C
20th Jul 2025365 AMAQI
20th Jul 2025526 AMAQI
20th Jul 2025547 AMAQI
20th Jul 2025478 AMAQI
20th Jul 2025469 AMAQI
20th Jul 20254510 AMAQI
20th Jul 20254211 AMAQI
20th Jul 20254012 PMAQI
20th Jul 2025401 PMAQI
20th Jul 2025382 PMAQI
20th Jul 2025403 PMAQI
20th Jul 2025414 PMAQI
20th Jul 2025415 PMAQI
20th Jul 2025406 PMAQI
20th Jul 2025397 PMAQI
20th Jul 2025468 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20254010 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253612 AMAQI
21st Jul 2025361 AMAQI
21st Jul 2025362 AMAQI
21st Jul 2025353 AMAQI
21st Jul 2025334 AMAQI
24°C19/32°C
21st Jul 2025345 AMAQI
21st Jul 2025366 AMAQI
21st Jul 2025397 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025449 AMAQI
21st Jul 20254610 AMAQI
21st Jul 20254211 AMAQI
21st Jul 20253812 PMAQI
21st Jul 2025371 PMAQI
21st Jul 2025362 PMAQI
21st Jul 2025363 PMAQI
21st Jul 2025374 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025367 PMAQI
21st Jul 2025368 PMAQI
21st Jul 2025349 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20254011 PMAQI
22nd Jul 20253812 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025342 AMAQI
22nd Jul 2025283 AMAQI
22nd Jul 2025244 AMAQI
22°C19/28°C
22nd Jul 2025265 AMAQI
22nd Jul 2025286 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025358 AMAQI
22nd Jul 2025309 AMAQI
22nd Jul 20253410 AMAQI
22nd Jul 20253411 AMAQI
22nd Jul 20253812 PMAQI
22nd Jul 2025381 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025343 PMAQI
22nd Jul 2025344 PMAQI
22nd Jul 2025425 PMAQI
22nd Jul 2025386 PMAQI
22nd Jul 2025347 PMAQI
22nd Jul 2025358 PMAQI
22nd Jul 2025349 PMAQI
22nd Jul 20253210 PMAQI
22nd Jul 20253011 PMAQI
23rd Jul 20252712 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025262 AMAQI
23rd Jul 2025223 AMAQI
23rd Jul 2025184 AMAQI
21°C18/29°C
23rd Jul 2025275 AMAQI
23rd Jul 2025236 AMAQI
23rd Jul 2025257 AMAQI
23rd Jul 2025248 AMAQI
23rd Jul 2025279 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20253311 AMAQI
23rd Jul 20253212 PMAQI
23rd Jul 2025321 PMAQI
23rd Jul 2025322 PMAQI
23rd Jul 2025283 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025276 PMAQI
23rd Jul 2025277 PMAQI
23rd Jul 2025288 PMAQI
23rd Jul 2025289 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20252611 PMAQI
24th Jul 20253012 AMAQI
24th Jul 2025301 AMAQI
24th Jul 2025342 AMAQI
24th Jul 2025353 AMAQI
24th Jul 2025334 AMAQI
24°C18/32°C
24th Jul 2025335 AMAQI
24th Jul 2025366 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025388 AMAQI
24th Jul 2025389 AMAQI
24th Jul 20254610 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025481 PMAQI
24th Jul 2025422 PMAQI
24th Jul 2025353 PMAQI
24th Jul 2025314 PMAQI
24th Jul 2025295 PMAQI
24th Jul 2025276 PMAQI
24th Jul 2025327 PMAQI
24th Jul 2025318 PMAQI
24th Jul 2025279 PMAQI
24th Jul 20252510 PMAQI
24th Jul 20252511 PMAQI
25th Jul 20252712 AMAQI
25th Jul 2025261 AMAQI
25th Jul 2025282 AMAQI
25th Jul 2025283 AMAQI
25th Jul 2025294 AMAQI
24°C19/32°C
25th Jul 2025265 AMAQI
25th Jul 2025356 AMAQI
25th Jul 2025237 AMAQI
25th Jul 2025278 AMAQI
25th Jul 2025329 AMAQI
25th Jul 20253610 AMAQI
25th Jul 20254211 AMAQI
25th Jul 20253312 PMAQI
25th Jul 2025331 PMAQI
25th Jul 2025312 PMAQI
25th Jul 2025303 PMAQI
25th Jul 2025294 PMAQI
25th Jul 2025285 PMAQI
25th Jul 2025266 PMAQI
25th Jul 2025277 PMAQI
25th Jul 2025288 PMAQI
25th Jul 2025279 PMAQI
25th Jul 20252810 PMAQI
25th Jul 20252511 PMAQI
26th Jul 20252812 AMAQI
26th Jul 2025291 AMAQI
26th Jul 2025222 AMAQI
26th Jul 2025193 AMAQI
26th Jul 2025194 AMAQI
22°C18/30°C
26th Jul 2025265 AMAQI
26th Jul 2025226 AMAQI
26th Jul 2025227 AMAQI
26th Jul 2025228 AMAQI
26th Jul 2025259 AMAQI
26th Jul 20252810 AMAQI
26th Jul 20252911 AMAQI
26th Jul 20253412 PMAQI
26th Jul 2025311 PMAQI
26th Jul 2025312 PMAQI
26th Jul 2025293 PMAQI
26th Jul 2025274 PMAQI
26th Jul 2025265 PMAQI
26th Jul 2025246 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025268 PMAQI
26th Jul 2025249 PMAQI
26th Jul 20252310 PMAQI
26th Jul 20252411 PMAQI
27th Jul 20252412 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025262 AMAQI
27th Jul 2025263 AMAQI
27th Jul 2025284 AMAQI
21°C16/29°C
27th Jul 2025265 AMAQI
27th Jul 2025266 AMAQI
27th Jul 2025267 AMAQI
27th Jul 2025318 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20252710 AMAQI
27th Jul 20253111 AMAQI
27th Jul 20252912 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025282 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025294 PMAQI
27th Jul 2025275 PMAQI
27th Jul 2025256 PMAQI
27th Jul 2025277 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025269 PMAQI
27th Jul 20252610 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252712 AMAQI
28th Jul 2025271 AMAQI
28th Jul 2025272 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025284 AMAQI
23°C18/30°C
28th Jul 2025205 AMAQI
28th Jul 2025216 AMAQI
28th Jul 2025257 AMAQI
28th Jul 2025228 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253810 AMAQI
28th Jul 20253811 AMAQI
28th Jul 20253512 PMAQI
28th Jul 2025371 PMAQI
28th Jul 2025372 PMAQI
28th Jul 2025323 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025295 PMAQI
28th Jul 2025316 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025308 PMAQI
28th Jul 2025319 PMAQI
28th Jul 20253110 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252612 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025264 AMAQI
24°C19/31°C
29th Jul 2025285 AMAQI
29th Jul 2025326 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025288 AMAQI
29th Jul 2025359 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20255811 AMAQI
29th Jul 20255212 PMAQI
29th Jul 2025451 PMAQI
29th Jul 2025502 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025374 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025307 PMAQI
29th Jul 2025328 PMAQI
29th Jul 2025309 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253511 PMAQI
30th Jul 20253412 AMAQI
30th Jul 2025341 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025303 AMAQI
30th Jul 2025324 AMAQI
26°C19/35°C
30th Jul 2025345 AMAQI
30th Jul 2025386 AMAQI
30th Jul 2025387 AMAQI
30th Jul 2025428 AMAQI
30th Jul 2025479 AMAQI
30th Jul 20254910 AMAQI
30th Jul 20255311 AMAQI
30th Jul 20254312 PMAQI
30th Jul 2025401 PMAQI
30th Jul 2025382 PMAQI
30th Jul 2025383 PMAQI
30th Jul 2025384 PMAQI
30th Jul 2025385 PMAQI
30th Jul 2025386 PMAQI
30th Jul 2025387 PMAQI
30th Jul 2025388 PMAQI
30th Jul 2025379 PMAQI
30th Jul 20253710 PMAQI
30th Jul 20253811 PMAQI
31st Jul 20253612 AMAQI
31st Jul 2025391 AMAQI
31st Jul 2025372 AMAQI
31st Jul 2025413 AMAQI
31st Jul 2025494 AMAQI
27°C21/33°C
31st Jul 2025475 AMAQI
31st Jul 2025476 AMAQI
31st Jul 2025467 AMAQI
31st Jul 2025468 AMAQI
31st Jul 2025509 AMAQI
31st Jul 20257310 AMAQI
31st Jul 20256011 AMAQI
31st Jul 20256012 PMAQI
31st Jul 2025541 PMAQI
31st Jul 2025562 PMAQI
31st Jul 2025523 PMAQI
31st Jul 2025484 PMAQI
31st Jul 2025445 PMAQI
31st Jul 2025426 PMAQI
31st Jul 2025457 PMAQI
31st Jul 2025488 PMAQI
31st Jul 2025479 PMAQI
31st Jul 20254910 PMAQI
31st Jul 20254711 PMAQI
1st Aug 20254712 AMAQI
1st Aug 2025411 AMAQI
1st Aug 2025392 AMAQI
1st Aug 2025383 AMAQI
1st Aug 2025424 AMAQI
28°C22/35°C
1st Aug 2025485 AMAQI
1st Aug 2025406 AMAQI
1st Aug 2025427 AMAQI
1st Aug 2025468 AMAQI
1st Aug 2025489 AMAQI
1st Aug 20254810 AMAQI
1st Aug 20255111 AMAQI
1st Aug 20255012 PMAQI
1st Aug 2025521 PMAQI
1st Aug 2025582 PMAQI
1st Aug 2025533 PMAQI
1st Aug 2025474 PMAQI
1st Aug 2025425 PMAQI
1st Aug 2025456 PMAQI
1st Aug 2025437 PMAQI
1st Aug 2025448 PMAQI
1st Aug 2025449 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254211 PMAQI
2nd Aug 20254312 AMAQI
2nd Aug 2025461 AMAQI
2nd Aug 2025462 AMAQI
2nd Aug 2025483 AMAQI
2nd Aug 2025464 AMAQI
27°C21/35°C
2nd Aug 2025445 AMAQI
2nd Aug 2025426 AMAQI
2nd Aug 2025377 AMAQI
2nd Aug 2025388 AMAQI
2nd Aug 2025469 AMAQI
2nd Aug 20255510 AMAQI
2nd Aug 20255211 AMAQI
2nd Aug 20254812 PMAQI
2nd Aug 2025501 PMAQI
2nd Aug 2025522 PMAQI
2nd Aug 2025523 PMAQI
2nd Aug 2025524 PMAQI
2nd Aug 2025525 PMAQI
2nd Aug 2025486 PMAQI
2nd Aug 2025467 PMAQI
2nd Aug 2025458 PMAQI
2nd Aug 2025509 PMAQI
2nd Aug 20254910 PMAQI
2nd Aug 20254811 PMAQI
3rd Aug 20255112 AMAQI
3rd Aug 2025481 AMAQI
3rd Aug 2025502 AMAQI
3rd Aug 2025503 AMAQI
3rd Aug 2025474 AMAQI
27°C21/35°C
3rd Aug 2025465 AMAQI
3rd Aug 2025506 AMAQI
3rd Aug 2025537 AMAQI
3rd Aug 2025558 AMAQI
3rd Aug 2025539 AMAQI
3rd Aug 20255310 AMAQI
3rd Aug 20255211 AMAQI
3rd Aug 20255312 PMAQI
3rd Aug 2025501 PMAQI
3rd Aug 2025522 PMAQI
3rd Aug 2025523 PMAQI
3rd Aug 2025544 PMAQI
3rd Aug 2025535 PMAQI
3rd Aug 2025526 PMAQI
3rd Aug 2025507 PMAQI
3rd Aug 2025488 PMAQI
3rd Aug 2025559 PMAQI
3rd Aug 20255210 PMAQI
3rd Aug 20255111 PMAQI
4th Aug 20255512 AMAQI
4th Aug 2025531 AMAQI
4th Aug 2025532 AMAQI
4th Aug 2025533 AMAQI
4th Aug 2025534 AMAQI
28°C22/35°C
4th Aug 2025545 AMAQI
4th Aug 2025556 AMAQI
4th Aug 2025537 AMAQI
4th Aug 2025548 AMAQI
4th Aug 2025579 AMAQI
4th Aug 20255910 AMAQI
4th Aug 20256011 AMAQI
4th Aug 20256012 PMAQI
4th Aug 2025601 PMAQI
4th Aug 2025572 PMAQI
4th Aug 2025603 PMAQI
4th Aug 2025614 PMAQI
4th Aug 2025625 PMAQI
4th Aug 2025636 PMAQI
4th Aug 2025547 PMAQI
4th Aug 2025578 PMAQI
4th Aug 2025609 PMAQI
4th Aug 20255810 PMAQI
4th Aug 20255711 PMAQI
5th Aug 20256012 AMAQI
5th Aug 2025581 AMAQI
5th Aug 2025572 AMAQI
5th Aug 2025603 AMAQI
5th Aug 2025584 AMAQI
27°C22/35°C
5th Aug 2025585 AMAQI
5th Aug 2025596 AMAQI
5th Aug 2025617 AMAQI
5th Aug 2025668 AMAQI
5th Aug 2025669 AMAQI
5th Aug 20257210 AMAQI
5th Aug 20256811 AMAQI
5th Aug 20256612 PMAQI
5th Aug 2025641 PMAQI
5th Aug 2025682 PMAQI
5th Aug 2025663 PMAQI
5th Aug 2025584 PMAQI
5th Aug 2025595 PMAQI
5th Aug 2025566 PMAQI
5th Aug 2025607 PMAQI
5th Aug 2025588 PMAQI
5th Aug 2025569 PMAQI
5th Aug 20255610 PMAQI
5th Aug 20255811 PMAQI
6th Aug 20255612 AMAQI
6th Aug 2025581 AMAQI
6th Aug 2025582 AMAQI
6th Aug 2025573 AMAQI
6th Aug 2025584 AMAQI
28°C22/36°C
6th Aug 2025585 AMAQI
6th Aug 2025586 AMAQI
6th Aug 2025597 AMAQI
6th Aug 2025628 AMAQI
6th Aug 2025629 AMAQI
6th Aug 20256410 AMAQI
6th Aug 20256211 AMAQI
6th Aug 20256012 PMAQI
6th Aug 2025661 PMAQI
6th Aug 2025652 PMAQI
6th Aug 2025613 PMAQI
6th Aug 2025634 PMAQI
6th Aug 2025575 PMAQI
6th Aug 2025596 PMAQI
6th Aug 2025587 PMAQI
6th Aug 2025608 PMAQI
6th Aug 2025629 PMAQI
6th Aug 20256110 PMAQI
6th Aug 20255911 PMAQI
7th Aug 20255512 AMAQI
7th Aug 2025551 AMAQI
7th Aug 2025552 AMAQI
7th Aug 2025563 AMAQI
7th Aug 2025544 AMAQI
29°C21/39°C
7th Aug 2025565 AMAQI
7th Aug 2025566 AMAQI
7th Aug 2025567 AMAQI
7th Aug 2025578 AMAQI
7th Aug 2025589 AMAQI
7th Aug 20255810 AMAQI
7th Aug 20256111 AMAQI
7th Aug 20255912 PMAQI
7th Aug 2025581 PMAQI
7th Aug 2025582 PMAQI
7th Aug 2025583 PMAQI
7th Aug 2025534 PMAQI
7th Aug 2025545 PMAQI
7th Aug 2025546 PMAQI
7th Aug 2025577 PMAQI
7th Aug 2025558 PMAQI
7th Aug 2025519 PMAQI
7th Aug 20255410 PMAQI
7th Aug 20255411 PMAQI
8th Aug 20255312 AMAQI
8th Aug 2025541 AMAQI
8th Aug 2025542 AMAQI
8th Aug 2025563 AMAQI
8th Aug 2025554 AMAQI
31°C23/41°C
8th Aug 2025545 AMAQI
8th Aug 2025536 AMAQI
8th Aug 2025547 AMAQI
8th Aug 2025548 AMAQI
8th Aug 2025569 AMAQI
8th Aug 20255510 AMAQI
8th Aug 20256311 AMAQI
8th Aug 20255612 PMAQI
8th Aug 2025581 PMAQI
8th Aug 2025562 PMAQI
8th Aug 2025573 PMAQI
8th Aug 2025524 PMAQI
8th Aug 2025525 PMAQI
8th Aug 2025516 PMAQI
8th Aug 2025537 PMAQI
8th Aug 2025528 PMAQI
8th Aug 2025519 PMAQI
8th Aug 20255210 PMAQI
8th Aug 20255311 PMAQI
9th Aug 20255312 AMAQI
9th Aug 2025541 AMAQI
9th Aug 2025552 AMAQI
9th Aug 2025563 AMAQI
9th Aug 2025544 AMAQI
32°C26/38°C
9th Aug 2025515 AMAQI
9th Aug 2025536 AMAQI
9th Aug 2025537 AMAQI
9th Aug 2025528 AMAQI
9th Aug 2025559 AMAQI
9th Aug 20255510 AMAQI
9th Aug 20255411 AMAQI
9th Aug 20255312 PMAQI
9th Aug 2025561 PMAQI
9th Aug 2025542 PMAQI
9th Aug 2025533 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025555 PMAQI
9th Aug 2025546 PMAQI
9th Aug 2025547 PMAQI
9th Aug 2025548 PMAQI
9th Aug 2025539 PMAQI
9th Aug 20255210 PMAQI
9th Aug 20255011 PMAQI
10th Aug 20255212 AMAQI
10th Aug 2025511 AMAQI
10th Aug 2025522 AMAQI
10th Aug 2025523 AMAQI
10th Aug 2025504 AMAQI
29°C22/39°C
5 AM
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
10 AM - 7 PM
45AQI
10 hours / Day
300 hours / Month
Avg. Lowest Time
5 AM - 9 AM
40AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 10 AM to 7 PM (Avg. 45), while the lowest AQI was between 5 AM to 9 AM (Avg. 40).
Night time
Avg. Highest Time
8 PM - 11 PM
42AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 4 AM
40AQI
5 hours / Day
150 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 PM to 11 PM (Avg. 42), while the lowest AQI was between 12 AM to 4 AM (Avg. 40).
2025 Days Vs Air Quality
San Bernardino, California, United States
2025
79%
108
21%
29
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
108 DaysModerate
29 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 222 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
San Bernardino, California, United States
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 March 2025
31AQI
31AQI
2nd March 2025
35AQI
35AQI
3rd March 2025
31AQI
31AQI
4th March 2025
37AQI
37AQI
5th March 2025
39AQI
39AQI
6th March 2025
26AQI
26AQI
1st April 2025
25AQI
25AQI
2nd April 2025
33AQI
33AQI
3rd April 2025
29AQI
29AQI
4th April 2025
25AQI
25AQI
5th April 2025
27AQI
27AQI
6th April 2025
22AQI
22AQI
7th April 2025
31AQI
31AQI
8th April 2025
40AQI
40AQI
9th April 2025
47AQI
47AQI
10th April 2025
51AQI
51AQI
11th April 2025
50AQI
50AQI
12th April 2025
50AQI
50AQI
13th April 2025
52AQI
52AQI
14th April 2025
52AQI
52AQI
15th April 2025
49AQI
49AQI
16th April 2025
37AQI
37AQI
17th April 2025
29AQI
29AQI
18th April 2025
29AQI
29AQI
19th April 2025
32AQI
32AQI
20th April 2025
36AQI
36AQI
21st April 2025
45AQI
45AQI
22nd April 2025
51AQI
51AQI
23rd April 2025
43AQI
43AQI
24th April 2025
39AQI
39AQI
25th April 2025
39AQI
39AQI
26th April 2025
24AQI
24AQI
27th April 2025
22AQI
22AQI
28th April 2025
27AQI
27AQI
29th April 2025
36AQI
36AQI
30th April 2025
46AQI
46AQI
1st May 2025
49AQI
49AQI
2nd May 2025
42AQI
42AQI
3rd May 2025
43AQI
43AQI
4th May 2025
26AQI
26AQI
5th May 2025
30AQI
30AQI
6th May 2025
32AQI
32AQI
7th May 2025
34AQI
34AQI
8th May 2025
45AQI
45AQI
9th May 2025
43AQI
43AQI
10th May 2025
40AQI
40AQI
11th May 2025
38AQI
38AQI
12th May 2025
45AQI
45AQI
13th May 2025
30AQI
30AQI
14th May 2025
34AQI
34AQI
15th May 2025
41AQI
41AQI
16th May 2025
49AQI
49AQI
17th May 2025
39AQI
39AQI
18th May 2025
37AQI
37AQI
19th May 2025
40AQI
40AQI
20th May 2025
44AQI
44AQI
21st May 2025
47AQI
47AQI
22nd May 2025
54AQI
54AQI
23rd May 2025
54AQI
54AQI
24th May 2025
49AQI
49AQI
25th May 2025
46AQI
46AQI
26th May 2025
44AQI
44AQI
27th May 2025
45AQI
45AQI
28th May 2025
47AQI
47AQI
29th May 2025
45AQI
45AQI
30th May 2025
46AQI
46AQI
31st May 2025
49AQI
49AQI
1st June 2025
41AQI
41AQI
2nd June 2025
33AQI
33AQI
3rd June 2025
35AQI
35AQI
4th June 2025
35AQI
35AQI
5th June 2025
38AQI
38AQI
6th June 2025
39AQI
39AQI
7th June 2025
43AQI
43AQI
8th June 2025
42AQI
42AQI
9th June 2025
46AQI
46AQI
10th June 2025
47AQI
47AQI
11th June 2025
48AQI
48AQI
12th June 2025
51AQI
51AQI
13th June 2025
50AQI
50AQI
14th June 2025
52AQI
52AQI
15th June 2025
55AQI
55AQI
16th June 2025
56AQI
56AQI
17th June 2025
57AQI
57AQI
18th June 2025
55AQI
55AQI
19th June 2025
54AQI
54AQI
20th June 2025
50AQI
50AQI
21st June 2025
51AQI
51AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
48AQI
48AQI
24th June 2025
48AQI
48AQI
25th June 2025
44AQI
44AQI
26th June 2025
52AQI
52AQI
27th June 2025
52AQI
52AQI
28th June 2025
47AQI
47AQI
29th June 2025
43AQI
43AQI
30th June 2025
41AQI
41AQI
1st July 2025
58AQI
58AQI
2nd July 2025
54AQI
54AQI
3rd July 2025
46AQI
46AQI
4th July 2025
43AQI
43AQI
5th July 2025
68AQI
68AQI
6th July 2025
51AQI
51AQI
7th July 2025
45AQI
45AQI
8th July 2025
49AQI
49AQI
9th July 2025
42AQI
42AQI
10th July 2025
43AQI
43AQI
11th July 2025
49AQI
49AQI
12th July 2025
52AQI
52AQI
13th July 2025
46AQI
46AQI
14th July 2025
42AQI
42AQI
15th July 2025
37AQI
37AQI
16th July 2025
41AQI
41AQI
17th July 2025
31AQI
31AQI
18th July 2025
32AQI
32AQI
19th July 2025
35AQI
35AQI
20th July 2025
40AQI
40AQI
21st July 2025
37AQI
37AQI
22nd July 2025
33AQI
33AQI
23rd July 2025
27AQI
27AQI
24th July 2025
34AQI
34AQI
25th July 2025
29AQI
29AQI
26th July 2025
25AQI
25AQI
27th July 2025
27AQI
27AQI
28th July 2025
29AQI
29AQI
29th July 2025
34AQI
34AQI
30th July 2025
38AQI
38AQI
31st July 2025
48AQI
48AQI
1st August 2025
45AQI
45AQI
2nd August 2025
47AQI
47AQI
3rd August 2025
51AQI
51AQI
4th August 2025
57AQI
57AQI
5th August 2025
60AQI
60AQI
6th August 2025
60AQI
60AQI
7th August 2025
56AQI
56AQI
8th August 2025
54AQI
54AQI
9th August 2025
54AQI
54AQI
33AQI
37AQI
42AQI
47AQI
41AQI
54AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202542AQI
6
26
4
29
2
19
11
26
5
2
7
108
29
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
March33AQI
Most & Least Polluted Years Over the Last 1 Years
Most Polluted Year Recorded
2025(Avg.)
42AQILeast Polluted Year Recorded
2025(Avg.)
42AQISan Bernardino's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .
