Alpine, 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
Alpine, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Aug 2021
76AQILowest AQI recorded on
8th Aug 2023
25AQISame Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 70 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Alpine, California, United States
AQI
Day
Night
.
5 AM8th Aug 2025
7 PM
4 AM9th Aug 2025
Day time
Avg. Highest Time
4PM8th Aug
59AQI
Avg. Lowest Time
11AM8th Aug
50AQI
Night time
Avg. Highest Time
1AM9th Aug
58AQI
Avg. Lowest Time
5AM8th Aug
53AQI
In the last 24 hours,
Alpine's AQI reached its highest point of 59 at 4 PM during the Day, while the lowest point, 50, was recorded at 11 AM during the Day between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Alpine, California, United States
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 2025265 AMAQI
10th Jul 2025256 AMAQI
10th Jul 2025277 AMAQI
10th Jul 2025288 AMAQI
10th Jul 2025269 AMAQI
10th Jul 20252610 AMAQI
10th Jul 20252911 AMAQI
10th Jul 20252812 PMAQI
10th Jul 2025301 PMAQI
10th Jul 2025322 PMAQI
10th Jul 2025343 PMAQI
10th Jul 2025364 PMAQI
10th Jul 2025385 PMAQI
10th Jul 2025416 PMAQI
10th Jul 2025367 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025449 PMAQI
10th Jul 20254410 PMAQI
10th Jul 20254611 PMAQI
11th Jul 20255112 AMAQI
11th Jul 2025511 AMAQI
11th Jul 2025512 AMAQI
11th Jul 2025513 AMAQI
11th Jul 2025534 AMAQI
27°C19/39°C
11th Jul 2025545 AMAQI
11th Jul 2025576 AMAQI
11th Jul 2025557 AMAQI
11th Jul 2025538 AMAQI
11th Jul 2025519 AMAQI
11th Jul 20255110 AMAQI
11th Jul 20255111 AMAQI
11th Jul 20255312 PMAQI
11th Jul 2025551 PMAQI
11th Jul 2025552 PMAQI
11th Jul 2025553 PMAQI
11th Jul 2025554 PMAQI
11th Jul 2025555 PMAQI
11th Jul 2025546 PMAQI
11th Jul 2025547 PMAQI
11th Jul 2025538 PMAQI
11th Jul 2025539 PMAQI
11th Jul 20255310 PMAQI
11th Jul 20255211 PMAQI
12th Jul 20255212 AMAQI
12th Jul 2025531 AMAQI
12th Jul 2025542 AMAQI
12th Jul 2025573 AMAQI
12th Jul 2025504 AMAQI
23°C15/34°C
12th Jul 2025475 AMAQI
12th Jul 2025476 AMAQI
12th Jul 2025477 AMAQI
12th Jul 2025488 AMAQI
12th Jul 2025499 AMAQI
12th Jul 20255110 AMAQI
12th Jul 20254911 AMAQI
12th Jul 20254912 PMAQI
12th Jul 2025511 PMAQI
12th Jul 2025532 PMAQI
12th Jul 2025543 PMAQI
12th Jul 2025554 PMAQI
12th Jul 2025555 PMAQI
12th Jul 2025556 PMAQI
12th Jul 2025527 PMAQI
12th Jul 2025528 PMAQI
12th Jul 2025499 PMAQI
12th Jul 20255110 PMAQI
12th Jul 20255411 PMAQI
13th Jul 20255212 AMAQI
13th Jul 2025501 AMAQI
13th Jul 2025512 AMAQI
13th Jul 2025493 AMAQI
13th Jul 2025414 AMAQI
22°C14/33°C
13th Jul 2025405 AMAQI
13th Jul 2025466 AMAQI
13th Jul 2025447 AMAQI
13th Jul 2025428 AMAQI
13th Jul 2025419 AMAQI
13th Jul 20254210 AMAQI
13th Jul 20254411 AMAQI
13th Jul 20254312 PMAQI
13th Jul 2025451 PMAQI
13th Jul 2025482 PMAQI
13th Jul 2025503 PMAQI
13th Jul 2025504 PMAQI
13th Jul 2025505 PMAQI
13th Jul 2025496 PMAQI
13th Jul 2025467 PMAQI
13th Jul 2025478 PMAQI
13th Jul 2025459 PMAQI
13th Jul 20254210 PMAQI
13th Jul 20254511 PMAQI
14th Jul 20254612 AMAQI
14th Jul 2025431 AMAQI
14th Jul 2025442 AMAQI
14th Jul 2025423 AMAQI
14th Jul 2025384 AMAQI
22°C13/33°C
14th Jul 2025405 AMAQI
14th Jul 2025436 AMAQI
14th Jul 2025487 AMAQI
14th Jul 2025458 AMAQI
14th Jul 2025439 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254411 AMAQI
14th Jul 20254812 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025503 PMAQI
14th Jul 2025494 PMAQI
14th Jul 2025505 PMAQI
14th Jul 2025506 PMAQI
14th Jul 2025467 PMAQI
14th Jul 2025468 PMAQI
14th Jul 2025419 PMAQI
14th Jul 20254110 PMAQI
14th Jul 20253811 PMAQI
15th Jul 20253912 AMAQI
15th Jul 2025361 AMAQI
15th Jul 2025392 AMAQI
15th Jul 2025383 AMAQI
15th Jul 2025264 AMAQI
22°C13/34°C
15th Jul 2025285 AMAQI
15th Jul 2025296 AMAQI
15th Jul 2025317 AMAQI
15th Jul 2025338 AMAQI
15th Jul 2025369 AMAQI
15th Jul 20253510 AMAQI
15th Jul 20253811 AMAQI
15th Jul 20253812 PMAQI
15th Jul 2025391 PMAQI
15th Jul 2025412 PMAQI
15th Jul 2025443 PMAQI
15th Jul 2025454 PMAQI
15th Jul 2025445 PMAQI
15th Jul 2025466 PMAQI
15th Jul 2025397 PMAQI
15th Jul 2025378 PMAQI
15th Jul 2025389 PMAQI
15th Jul 20253610 PMAQI
15th Jul 20253511 PMAQI
16th Jul 20254212 AMAQI
16th Jul 2025341 AMAQI
16th Jul 2025342 AMAQI
16th Jul 2025343 AMAQI
16th Jul 2025324 AMAQI
21°C13/32°C
16th Jul 2025345 AMAQI
16th Jul 2025366 AMAQI
16th Jul 2025347 AMAQI
16th Jul 2025338 AMAQI
16th Jul 2025339 AMAQI
16th Jul 20253510 AMAQI
16th Jul 20253911 AMAQI
16th Jul 20253612 PMAQI
16th Jul 2025361 PMAQI
16th Jul 2025372 PMAQI
16th Jul 2025373 PMAQI
16th Jul 2025374 PMAQI
16th Jul 2025375 PMAQI
16th Jul 2025356 PMAQI
16th Jul 2025367 PMAQI
16th Jul 2025358 PMAQI
16th Jul 2025329 PMAQI
16th Jul 20253110 PMAQI
16th Jul 20253111 PMAQI
17th Jul 20252912 AMAQI
17th Jul 2025291 AMAQI
17th Jul 2025282 AMAQI
17th Jul 2025283 AMAQI
17th Jul 2025224 AMAQI
21°C13/32°C
17th Jul 2025235 AMAQI
17th Jul 2025266 AMAQI
17th Jul 2025247 AMAQI
17th Jul 2025238 AMAQI
17th Jul 2025229 AMAQI
17th Jul 20252210 AMAQI
17th Jul 20252511 AMAQI
17th Jul 20252512 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025313 PMAQI
17th Jul 2025294 PMAQI
17th Jul 2025285 PMAQI
17th Jul 2025306 PMAQI
17th Jul 2025267 PMAQI
17th Jul 2025278 PMAQI
17th Jul 2025299 PMAQI
17th Jul 20252910 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252812 AMAQI
18th Jul 2025281 AMAQI
18th Jul 2025272 AMAQI
18th Jul 2025273 AMAQI
18th Jul 2025264 AMAQI
22°C14/33°C
18th Jul 2025265 AMAQI
18th Jul 2025286 AMAQI
18th Jul 2025307 AMAQI
18th Jul 2025318 AMAQI
18th Jul 2025339 AMAQI
18th Jul 20253710 AMAQI
18th Jul 20253911 AMAQI
18th Jul 20253712 PMAQI
18th Jul 2025361 PMAQI
18th Jul 2025352 PMAQI
18th Jul 2025333 PMAQI
18th Jul 2025344 PMAQI
18th Jul 2025355 PMAQI
18th Jul 2025346 PMAQI
18th Jul 2025357 PMAQI
18th Jul 2025338 PMAQI
18th Jul 2025349 PMAQI
18th Jul 20253410 PMAQI
18th Jul 20253511 PMAQI
19th Jul 20253312 AMAQI
19th Jul 2025331 AMAQI
19th Jul 2025342 AMAQI
19th Jul 2025363 AMAQI
19th Jul 2025374 AMAQI
21°C13/31°C
19th Jul 2025375 AMAQI
19th Jul 2025366 AMAQI
19th Jul 2025377 AMAQI
19th Jul 2025378 AMAQI
19th Jul 2025399 AMAQI
19th Jul 20254010 AMAQI
19th Jul 20253911 AMAQI
19th Jul 20254112 PMAQI
19th Jul 2025411 PMAQI
19th Jul 2025412 PMAQI
19th Jul 2025413 PMAQI
19th Jul 2025414 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025387 PMAQI
19th Jul 2025408 PMAQI
19th Jul 2025409 PMAQI
19th Jul 20253910 PMAQI
19th Jul 20253911 PMAQI
20th Jul 20253812 AMAQI
20th Jul 2025391 AMAQI
20th Jul 2025382 AMAQI
20th Jul 2025393 AMAQI
20th Jul 2025384 AMAQI
21°C15/32°C
20th Jul 2025425 AMAQI
20th Jul 2025426 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025428 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20254210 AMAQI
20th Jul 20254611 AMAQI
20th Jul 20254412 PMAQI
20th Jul 2025431 PMAQI
20th Jul 2025442 PMAQI
20th Jul 2025453 PMAQI
20th Jul 2025444 PMAQI
20th Jul 2025435 PMAQI
20th Jul 2025416 PMAQI
20th Jul 2025417 PMAQI
20th Jul 2025408 PMAQI
20th Jul 2025399 PMAQI
20th Jul 20253910 PMAQI
20th Jul 20253811 PMAQI
21st Jul 20253912 AMAQI
21st Jul 2025381 AMAQI
21st Jul 2025382 AMAQI
21st Jul 2025393 AMAQI
21st Jul 2025364 AMAQI
21°C14/30°C
21st Jul 2025385 AMAQI
21st Jul 2025396 AMAQI
21st Jul 2025417 AMAQI
21st Jul 2025448 AMAQI
21st Jul 2025429 AMAQI
21st Jul 20254410 AMAQI
21st Jul 20254311 AMAQI
21st Jul 20254512 PMAQI
21st Jul 2025451 PMAQI
21st Jul 2025442 PMAQI
21st Jul 2025433 PMAQI
21st Jul 2025424 PMAQI
21st Jul 2025435 PMAQI
21st Jul 2025426 PMAQI
21st Jul 2025437 PMAQI
21st Jul 2025428 PMAQI
21st Jul 2025399 PMAQI
21st Jul 20253810 PMAQI
21st Jul 20253611 PMAQI
22nd Jul 20253512 AMAQI
22nd Jul 2025331 AMAQI
22nd Jul 2025332 AMAQI
22nd Jul 2025343 AMAQI
22nd Jul 2025294 AMAQI
19°C13/29°C
22nd Jul 2025305 AMAQI
22nd Jul 2025316 AMAQI
22nd Jul 2025327 AMAQI
22nd Jul 2025318 AMAQI
22nd Jul 2025319 AMAQI
22nd Jul 20253210 AMAQI
22nd Jul 20253311 AMAQI
22nd Jul 20253212 PMAQI
22nd Jul 2025321 PMAQI
22nd Jul 2025332 PMAQI
22nd Jul 2025363 PMAQI
22nd Jul 2025334 PMAQI
22nd Jul 2025325 PMAQI
22nd Jul 2025316 PMAQI
22nd Jul 2025307 PMAQI
22nd Jul 2025328 PMAQI
22nd Jul 2025299 PMAQI
22nd Jul 20252710 PMAQI
22nd Jul 20252711 PMAQI
23rd Jul 20252812 AMAQI
23rd Jul 2025281 AMAQI
23rd Jul 2025282 AMAQI
23rd Jul 2025293 AMAQI
23rd Jul 2025244 AMAQI
18°C13/29°C
23rd Jul 2025255 AMAQI
23rd Jul 2025266 AMAQI
23rd Jul 2025277 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025289 AMAQI
23rd Jul 20252810 AMAQI
23rd Jul 20252611 AMAQI
23rd Jul 20252712 PMAQI
23rd Jul 2025271 PMAQI
23rd Jul 2025282 PMAQI
23rd Jul 2025263 PMAQI
23rd Jul 2025274 PMAQI
23rd Jul 2025265 PMAQI
23rd Jul 2025266 PMAQI
23rd Jul 2025267 PMAQI
23rd Jul 2025278 PMAQI
23rd Jul 2025259 PMAQI
23rd Jul 20252610 PMAQI
23rd Jul 20252711 PMAQI
24th Jul 20252612 AMAQI
24th Jul 2025271 AMAQI
24th Jul 2025272 AMAQI
24th Jul 2025273 AMAQI
24th Jul 2025254 AMAQI
21°C12/32°C
24th Jul 2025255 AMAQI
24th Jul 2025256 AMAQI
24th Jul 2025267 AMAQI
24th Jul 2025248 AMAQI
24th Jul 2025259 AMAQI
24th Jul 20252510 AMAQI
24th Jul 20252611 AMAQI
24th Jul 20252412 PMAQI
24th Jul 2025241 PMAQI
24th Jul 2025272 PMAQI
24th Jul 2025293 PMAQI
24th Jul 2025294 PMAQI
24th Jul 2025305 PMAQI
24th Jul 2025306 PMAQI
24th Jul 2025267 PMAQI
24th Jul 2025258 PMAQI
24th Jul 2025249 PMAQI
24th Jul 20252310 PMAQI
24th Jul 20252311 PMAQI
25th Jul 20252312 AMAQI
25th Jul 2025241 AMAQI
25th Jul 2025242 AMAQI
25th Jul 2025243 AMAQI
25th Jul 2025204 AMAQI
21°C12/32°C
25th Jul 2025185 AMAQI
25th Jul 2025206 AMAQI
25th Jul 2025217 AMAQI
25th Jul 2025218 AMAQI
25th Jul 2025209 AMAQI
25th Jul 20252210 AMAQI
25th Jul 20252311 AMAQI
25th Jul 20252112 PMAQI
25th Jul 2025211 PMAQI
25th Jul 2025212 PMAQI
25th Jul 2025223 PMAQI
25th Jul 2025234 PMAQI
25th Jul 2025225 PMAQI
25th Jul 2025226 PMAQI
25th Jul 2025227 PMAQI
25th Jul 2025228 PMAQI
25th Jul 2025229 PMAQI
25th Jul 20252110 PMAQI
25th Jul 20252111 PMAQI
26th Jul 20252012 AMAQI
26th Jul 2025221 AMAQI
26th Jul 2025212 AMAQI
26th Jul 2025233 AMAQI
26th Jul 2025284 AMAQI
19°C10/30°C
26th Jul 2025275 AMAQI
26th Jul 2025296 AMAQI
26th Jul 2025297 AMAQI
26th Jul 2025288 AMAQI
26th Jul 2025289 AMAQI
26th Jul 20253010 AMAQI
26th Jul 20252811 AMAQI
26th Jul 20252612 PMAQI
26th Jul 2025261 PMAQI
26th Jul 2025252 PMAQI
26th Jul 2025253 PMAQI
26th Jul 2025254 PMAQI
26th Jul 2025245 PMAQI
26th Jul 2025236 PMAQI
26th Jul 2025247 PMAQI
26th Jul 2025248 PMAQI
26th Jul 2025229 PMAQI
26th Jul 20252210 PMAQI
26th Jul 20252311 PMAQI
27th Jul 20252212 AMAQI
27th Jul 2025221 AMAQI
27th Jul 2025232 AMAQI
27th Jul 2025243 AMAQI
27th Jul 2025224 AMAQI
19°C10/30°C
27th Jul 2025245 AMAQI
27th Jul 2025246 AMAQI
27th Jul 2025257 AMAQI
27th Jul 2025248 AMAQI
27th Jul 2025249 AMAQI
27th Jul 20252510 AMAQI
27th Jul 20252411 AMAQI
27th Jul 20252512 PMAQI
27th Jul 2025251 PMAQI
27th Jul 2025242 PMAQI
27th Jul 2025253 PMAQI
27th Jul 2025244 PMAQI
27th Jul 2025245 PMAQI
27th Jul 2025246 PMAQI
27th Jul 2025247 PMAQI
27th Jul 2025248 PMAQI
27th Jul 2025249 PMAQI
27th Jul 20252210 PMAQI
27th Jul 20252211 PMAQI
28th Jul 20252212 AMAQI
28th Jul 2025231 AMAQI
28th Jul 2025242 AMAQI
28th Jul 2025233 AMAQI
28th Jul 2025254 AMAQI
19°C9/31°C
28th Jul 2025275 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025297 AMAQI
28th Jul 2025288 AMAQI
28th Jul 2025289 AMAQI
28th Jul 20253010 AMAQI
28th Jul 20253011 AMAQI
28th Jul 20253112 PMAQI
28th Jul 2025301 PMAQI
28th Jul 2025312 PMAQI
28th Jul 2025313 PMAQI
28th Jul 2025304 PMAQI
28th Jul 2025305 PMAQI
28th Jul 2025286 PMAQI
28th Jul 2025287 PMAQI
28th Jul 2025288 PMAQI
28th Jul 2025279 PMAQI
28th Jul 20252710 PMAQI
28th Jul 20252811 PMAQI
29th Jul 20252912 AMAQI
29th Jul 2025281 AMAQI
29th Jul 2025282 AMAQI
29th Jul 2025293 AMAQI
29th Jul 2025324 AMAQI
20°C11/31°C
29th Jul 2025325 AMAQI
29th Jul 2025306 AMAQI
29th Jul 2025297 AMAQI
29th Jul 2025298 AMAQI
29th Jul 2025299 AMAQI
29th Jul 20252910 AMAQI
29th Jul 20252911 AMAQI
29th Jul 20253212 PMAQI
29th Jul 2025361 PMAQI
29th Jul 2025362 PMAQI
29th Jul 2025353 PMAQI
29th Jul 2025334 PMAQI
29th Jul 2025345 PMAQI
29th Jul 2025336 PMAQI
29th Jul 2025317 PMAQI
29th Jul 2025308 PMAQI
29th Jul 2025319 PMAQI
29th Jul 20253210 PMAQI
29th Jul 20253311 PMAQI
30th Jul 20253312 AMAQI
30th Jul 2025331 AMAQI
30th Jul 2025332 AMAQI
30th Jul 2025333 AMAQI
30th Jul 2025334 AMAQI
23°C12/35°C
30th Jul 2025325 AMAQI
30th Jul 2025336 AMAQI
30th Jul 2025327 AMAQI
30th Jul 2025298 AMAQI
30th Jul 2025289 AMAQI
30th Jul 20252710 AMAQI
30th Jul 20252611 AMAQI
30th Jul 20252612 PMAQI
30th Jul 2025281 PMAQI
30th Jul 2025282 PMAQI
30th Jul 2025283 PMAQI
30th Jul 2025284 PMAQI
30th Jul 2025285 PMAQI
30th Jul 2025286 PMAQI
30th Jul 2025287 PMAQI
30th Jul 2025288 PMAQI
30th Jul 2025329 PMAQI
30th Jul 20253510 PMAQI
30th Jul 20253611 PMAQI
31st Jul 20253812 AMAQI
31st Jul 2025401 AMAQI
31st Jul 2025392 AMAQI
31st Jul 2025403 AMAQI
31st Jul 2025404 AMAQI
24°C14/36°C
31st Jul 2025405 AMAQI
31st Jul 2025366 AMAQI
31st Jul 2025387 AMAQI
31st Jul 2025348 AMAQI
31st Jul 2025349 AMAQI
31st Jul 20253410 AMAQI
31st Jul 20253311 AMAQI
31st Jul 20252812 PMAQI
31st Jul 2025301 PMAQI
31st Jul 2025302 PMAQI
31st Jul 2025323 PMAQI
31st Jul 2025334 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025366 PMAQI
31st Jul 2025367 PMAQI
31st Jul 2025418 PMAQI
31st Jul 2025449 PMAQI
31st Jul 20255010 PMAQI
31st Jul 20255311 PMAQI
1st Aug 20254812 AMAQI
1st Aug 2025461 AMAQI
1st Aug 2025462 AMAQI
1st Aug 2025453 AMAQI
1st Aug 2025434 AMAQI
24°C15/36°C
1st Aug 2025425 AMAQI
1st Aug 2025386 AMAQI
1st Aug 2025357 AMAQI
1st Aug 2025368 AMAQI
1st Aug 2025369 AMAQI
1st Aug 20253510 AMAQI
1st Aug 20254011 AMAQI
1st Aug 20254012 PMAQI
1st Aug 2025401 PMAQI
1st Aug 2025412 PMAQI
1st Aug 2025413 PMAQI
1st Aug 2025414 PMAQI
1st Aug 2025395 PMAQI
1st Aug 2025406 PMAQI
1st Aug 2025437 PMAQI
1st Aug 2025408 PMAQI
1st Aug 2025399 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20254411 PMAQI
2nd Aug 20254312 AMAQI
2nd Aug 2025421 AMAQI
2nd Aug 2025492 AMAQI
2nd Aug 2025553 AMAQI
2nd Aug 2025564 AMAQI
23°C14/34°C
2nd Aug 2025545 AMAQI
2nd Aug 2025506 AMAQI
2nd Aug 2025437 AMAQI
2nd Aug 2025398 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20253611 AMAQI
2nd Aug 20253612 PMAQI
2nd Aug 2025371 PMAQI
2nd Aug 2025362 PMAQI
2nd Aug 2025383 PMAQI
2nd Aug 2025404 PMAQI
2nd Aug 2025375 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025407 PMAQI
2nd Aug 2025388 PMAQI
2nd Aug 2025379 PMAQI
2nd Aug 20253610 PMAQI
2nd Aug 20253711 PMAQI
3rd Aug 20253712 AMAQI
3rd Aug 2025371 AMAQI
3rd Aug 2025422 AMAQI
3rd Aug 2025403 AMAQI
3rd Aug 2025464 AMAQI
23°C14/36°C
3rd Aug 2025435 AMAQI
3rd Aug 2025406 AMAQI
3rd Aug 2025387 AMAQI
3rd Aug 2025368 AMAQI
3rd Aug 2025369 AMAQI
3rd Aug 20253110 AMAQI
3rd Aug 20253211 AMAQI
3rd Aug 20253112 PMAQI
3rd Aug 2025301 PMAQI
3rd Aug 2025382 PMAQI
3rd Aug 2025423 PMAQI
3rd Aug 2025554 PMAQI
3rd Aug 2025615 PMAQI
3rd Aug 2025666 PMAQI
3rd Aug 2025387 PMAQI
3rd Aug 2025508 PMAQI
3rd Aug 2025629 PMAQI
3rd Aug 20256010 PMAQI
3rd Aug 20255611 PMAQI
4th Aug 20255412 AMAQI
4th Aug 2025551 AMAQI
4th Aug 2025542 AMAQI
4th Aug 2025583 AMAQI
4th Aug 2025654 AMAQI
24°C15/37°C
4th Aug 2025685 AMAQI
4th Aug 2025736 AMAQI
4th Aug 2025707 AMAQI
4th Aug 2025778 AMAQI
4th Aug 2025729 AMAQI
4th Aug 20257310 AMAQI
4th Aug 20256611 AMAQI
4th Aug 20256612 PMAQI
4th Aug 2025641 PMAQI
4th Aug 2025722 PMAQI
4th Aug 2025733 PMAQI
4th Aug 2025764 PMAQI
4th Aug 2025845 PMAQI
4th Aug 2025766 PMAQI
4th Aug 2025637 PMAQI
4th Aug 2025628 PMAQI
4th Aug 2025639 PMAQI
4th Aug 20256410 PMAQI
4th Aug 20256211 PMAQI
5th Aug 20256312 AMAQI
5th Aug 2025661 AMAQI
5th Aug 2025732 AMAQI
5th Aug 2025733 AMAQI
5th Aug 2025804 AMAQI
24°C15/36°C
5th Aug 2025725 AMAQI
5th Aug 2025856 AMAQI
5th Aug 2025827 AMAQI
5th Aug 2025968 AMAQI
5th Aug 20251069 AMAQI
5th Aug 20258910 AMAQI
5th Aug 202510211 AMAQI
5th Aug 20259412 PMAQI
5th Aug 20251041 PMAQI
5th Aug 2025932 PMAQI
5th Aug 2025823 PMAQI
5th Aug 2025764 PMAQI
5th Aug 2025725 PMAQI
5th Aug 2025646 PMAQI
5th Aug 2025757 PMAQI
5th Aug 2025648 PMAQI
5th Aug 2025599 PMAQI
5th Aug 20256010 PMAQI
5th Aug 20256111 PMAQI
6th Aug 20256012 AMAQI
6th Aug 2025601 AMAQI
6th Aug 2025592 AMAQI
6th Aug 2025573 AMAQI
6th Aug 2025574 AMAQI
25°C15/37°C
6th Aug 2025555 AMAQI
6th Aug 2025546 AMAQI
6th Aug 2025537 AMAQI
6th Aug 2025538 AMAQI
6th Aug 2025529 AMAQI
6th Aug 20255510 AMAQI
6th Aug 20255011 AMAQI
6th Aug 20254812 PMAQI
6th Aug 2025541 PMAQI
6th Aug 2025502 PMAQI
6th Aug 2025573 PMAQI
6th Aug 2025624 PMAQI
6th Aug 2025605 PMAQI
6th Aug 2025646 PMAQI
6th Aug 2025557 PMAQI
6th Aug 2025608 PMAQI
6th Aug 2025679 PMAQI
6th Aug 20256910 PMAQI
6th Aug 20256911 PMAQI
7th Aug 20256512 AMAQI
7th Aug 2025611 AMAQI
7th Aug 2025632 AMAQI
7th Aug 2025643 AMAQI
7th Aug 2025784 AMAQI
27°C18/39°C
7th Aug 2025805 AMAQI
7th Aug 2025886 AMAQI
7th Aug 2025787 AMAQI
7th Aug 2025728 AMAQI
7th Aug 2025819 AMAQI
7th Aug 20257810 AMAQI
7th Aug 20257211 AMAQI
7th Aug 20257112 PMAQI
7th Aug 2025711 PMAQI
7th Aug 2025712 PMAQI
7th Aug 2025653 PMAQI
7th Aug 2025634 PMAQI
7th Aug 2025625 PMAQI
7th Aug 2025606 PMAQI
7th Aug 2025647 PMAQI
7th Aug 2025668 PMAQI
7th Aug 2025609 PMAQI
7th Aug 20256210 PMAQI
7th Aug 20256111 PMAQI
8th Aug 20256412 AMAQI
8th Aug 2025651 AMAQI
8th Aug 2025662 AMAQI
8th Aug 2025663 AMAQI
8th Aug 2025584 AMAQI
30°C20/42°C
8th Aug 2025535 AMAQI
8th Aug 2025506 AMAQI
8th Aug 2025547 AMAQI
8th Aug 2025518 AMAQI
8th Aug 2025529 AMAQI
8th Aug 20255110 AMAQI
8th Aug 20255011 AMAQI
8th Aug 20255212 PMAQI
8th Aug 2025561 PMAQI
8th Aug 2025572 PMAQI
8th Aug 2025583 PMAQI
8th Aug 2025594 PMAQI
8th Aug 2025595 PMAQI
8th Aug 2025586 PMAQI
8th Aug 2025577 PMAQI
8th Aug 2025568 PMAQI
8th Aug 2025559 PMAQI
8th Aug 20255510 PMAQI
8th Aug 20255611 PMAQI
9th Aug 20255712 AMAQI
9th Aug 2025581 AMAQI
9th Aug 2025582 AMAQI
9th Aug 2025583 AMAQI
9th Aug 2025584 AMAQI
29°C21/40°C
9th Aug 2025585 AMAQI
5 AM9th Aug 2025576 AMAQI
9th Aug 2025587 AMAQI
9th Aug 2025568 AMAQI
12 PM
7 PM
12 AM
4 AM
--°C/°C
Day time
Avg. Highest Time
5 AM - 7 PM
41AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
5 AM - 7 PM
41AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 7 PM (Avg. 41), while the lowest AQI was between 5 AM to 7 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 11 PM
40AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
40AQI
9 hours / Day
270 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 11 PM (Avg. 40).
2025 Days Vs Air Quality
Alpine, California, United States
2025
90%
198
10%
21
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Good
198 DaysModerate
21 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 221 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
Alpine, 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 January 2025
46AQI
46AQI
2nd January 2025
34AQI
34AQI
3rd January 2025
39AQI
39AQI
4th January 2025
47AQI
47AQI
5th January 2025
34AQI
34AQI
6th January 2025
31AQI
31AQI
7th January 2025
36AQI
36AQI
8th January 2025
47AQI
47AQI
9th January 2025
33AQI
33AQI
10th January 2025
32AQI
32AQI
11th January 2025
39AQI
39AQI
12th January 2025
31AQI
31AQI
13th January 2025
33AQI
33AQI
14th January 2025
32AQI
32AQI
15th January 2025
31AQI
31AQI
16th January 2025
31AQI
31AQI
17th January 2025
35AQI
35AQI
18th January 2025
39AQI
39AQI
19th January 2025
46AQI
46AQI
20th January 2025
49AQI
49AQI
21st January 2025
34AQI
34AQI
22nd January 2025
31AQI
31AQI
23rd January 2025
31AQI
31AQI
24th January 2025
43AQI
43AQI
25th January 2025
77AQI
77AQI
26th January 2025
32AQI
32AQI
27th January 2025
30AQI
30AQI
28th January 2025
33AQI
33AQI
29th January 2025
36AQI
36AQI
30th January 2025
42AQI
42AQI
31st January 2025
42AQI
42AQI
1st February 2025
40AQI
40AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
30AQI
30AQI
4th February 2025
45AQI
45AQI
5th February 2025
29AQI
29AQI
6th February 2025
28AQI
28AQI
7th February 2025
23AQI
23AQI
8th February 2025
26AQI
26AQI
9th February 2025
31AQI
31AQI
10th February 2025
40AQI
40AQI
11th February 2025
33AQI
33AQI
12th February 2025
33AQI
33AQI
13th February 2025
26AQI
26AQI
14th February 2025
31AQI
31AQI
15th February 2025
31AQI
31AQI
16th February 2025
30AQI
30AQI
17th February 2025
32AQI
32AQI
18th February 2025
44AQI
44AQI
19th February 2025
33AQI
33AQI
20th February 2025
36AQI
36AQI
21st February 2025
33AQI
33AQI
22nd February 2025
32AQI
32AQI
23rd February 2025
32AQI
32AQI
24th February 2025
34AQI
34AQI
25th February 2025
38AQI
38AQI
26th February 2025
37AQI
37AQI
27th February 2025
33AQI
33AQI
28th February 2025
34AQI
34AQI
1st March 2025
34AQI
34AQI
2nd March 2025
35AQI
35AQI
3rd March 2025
32AQI
32AQI
4th March 2025
31AQI
31AQI
5th March 2025
34AQI
34AQI
6th March 2025
32AQI
32AQI
7th March 2025
31AQI
31AQI
8th March 2025
30AQI
30AQI
9th March 2025
32AQI
32AQI
10th March 2025
35AQI
35AQI
11th March 2025
32AQI
32AQI
12th March 2025
30AQI
30AQI
13th March 2025
22AQI
22AQI
14th March 2025
20AQI
20AQI
15th March 2025
23AQI
23AQI
16th March 2025
29AQI
29AQI
17th March 2025
33AQI
33AQI
18th March 2025
24AQI
24AQI
19th March 2025
23AQI
23AQI
20th March 2025
20AQI
20AQI
21st March 2025
26AQI
26AQI
22nd March 2025
28AQI
28AQI
23rd March 2025
37AQI
37AQI
24th March 2025
35AQI
35AQI
25th March 2025
30AQI
30AQI
26th March 2025
31AQI
31AQI
27th March 2025
27AQI
27AQI
28th March 2025
25AQI
25AQI
29th March 2025
34AQI
34AQI
30th March 2025
39AQI
39AQI
31st March 2025
28AQI
28AQI
1st April 2025
23AQI
23AQI
2nd April 2025
30AQI
30AQI
3rd April 2025
25AQI
25AQI
4th April 2025
20AQI
20AQI
5th April 2025
18AQI
18AQI
6th April 2025
18AQI
18AQI
7th April 2025
19AQI
19AQI
8th April 2025
25AQI
25AQI
9th April 2025
29AQI
29AQI
10th April 2025
30AQI
30AQI
11th April 2025
34AQI
34AQI
12th April 2025
35AQI
35AQI
13th April 2025
42AQI
42AQI
14th April 2025
43AQI
43AQI
15th April 2025
42AQI
42AQI
16th April 2025
32AQI
32AQI
17th April 2025
21AQI
21AQI
18th April 2025
23AQI
23AQI
19th April 2025
25AQI
25AQI
20th April 2025
27AQI
27AQI
21st April 2025
35AQI
35AQI
22nd April 2025
38AQI
38AQI
23rd April 2025
39AQI
39AQI
24th April 2025
37AQI
37AQI
25th April 2025
35AQI
35AQI
26th April 2025
21AQI
21AQI
27th April 2025
21AQI
21AQI
28th April 2025
20AQI
20AQI
29th April 2025
33AQI
33AQI
30th April 2025
37AQI
37AQI
1st May 2025
45AQI
45AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
40AQI
40AQI
4th May 2025
21AQI
21AQI
5th May 2025
24AQI
24AQI
6th May 2025
42AQI
42AQI
7th May 2025
43AQI
43AQI
8th May 2025
37AQI
37AQI
9th May 2025
29AQI
29AQI
10th May 2025
28AQI
28AQI
11th May 2025
34AQI
34AQI
12th May 2025
46AQI
46AQI
13th May 2025
27AQI
27AQI
14th May 2025
27AQI
27AQI
15th May 2025
39AQI
39AQI
16th May 2025
48AQI
48AQI
17th May 2025
47AQI
47AQI
18th May 2025
28AQI
28AQI
19th May 2025
35AQI
35AQI
20th May 2025
38AQI
38AQI
21st May 2025
39AQI
39AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
52AQI
52AQI
24th May 2025
53AQI
53AQI
25th May 2025
47AQI
47AQI
26th May 2025
46AQI
46AQI
27th May 2025
49AQI
49AQI
28th May 2025
48AQI
48AQI
29th May 2025
43AQI
43AQI
30th May 2025
43AQI
43AQI
31st May 2025
44AQI
44AQI
1st June 2025
33AQI
33AQI
2nd June 2025
32AQI
32AQI
3rd June 2025
32AQI
32AQI
4th June 2025
28AQI
28AQI
5th June 2025
25AQI
25AQI
6th June 2025
27AQI
27AQI
7th June 2025
29AQI
29AQI
8th June 2025
34AQI
34AQI
9th June 2025
36AQI
36AQI
10th June 2025
40AQI
40AQI
11th June 2025
43AQI
43AQI
12th June 2025
42AQI
42AQI
13th June 2025
54AQI
54AQI
14th June 2025
49AQI
49AQI
15th June 2025
43AQI
43AQI
16th June 2025
44AQI
44AQI
17th June 2025
51AQI
51AQI
18th June 2025
64AQI
64AQI
19th June 2025
60AQI
60AQI
20th June 2025
54AQI
54AQI
21st June 2025
53AQI
53AQI
22nd June 2025
53AQI
53AQI
23rd June 2025
54AQI
54AQI
24th June 2025
58AQI
58AQI
25th June 2025
53AQI
53AQI
26th June 2025
46AQI
46AQI
27th June 2025
47AQI
47AQI
28th June 2025
40AQI
40AQI
29th June 2025
40AQI
40AQI
30th June 2025
34AQI
34AQI
1st July 2025
47AQI
47AQI
2nd July 2025
42AQI
42AQI
3rd July 2025
38AQI
38AQI
4th July 2025
40AQI
40AQI
5th July 2025
51AQI
51AQI
6th July 2025
45AQI
45AQI
7th July 2025
46AQI
46AQI
8th July 2025
52AQI
52AQI
9th July 2025
40AQI
40AQI
10th July 2025
35AQI
35AQI
11th July 2025
53AQI
53AQI
12th July 2025
52AQI
52AQI
13th July 2025
46AQI
46AQI
14th July 2025
44AQI
44AQI
15th July 2025
37AQI
37AQI
16th July 2025
35AQI
35AQI
17th July 2025
27AQI
27AQI
18th July 2025
32AQI
32AQI
19th July 2025
38AQI
38AQI
20th July 2025
41AQI
41AQI
21st July 2025
41AQI
41AQI
22nd July 2025
31AQI
31AQI
23rd July 2025
27AQI
27AQI
24th July 2025
26AQI
26AQI
25th July 2025
22AQI
22AQI
26th July 2025
25AQI
25AQI
27th July 2025
24AQI
24AQI
28th July 2025
27AQI
27AQI
29th July 2025
31AQI
31AQI
30th July 2025
31AQI
31AQI
31st July 2025
38AQI
38AQI
1st August 2025
42AQI
42AQI
2nd August 2025
42AQI
42AQI
3rd August 2025
45AQI
45AQI
4th August 2025
66AQI
66AQI
5th August 2025
76AQI
76AQI
6th August 2025
58AQI
58AQI
7th August 2025
70AQI
70AQI
38AQI
33AQI
30AQI
29AQI
39AQI
43AQI
38AQI
57AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202536AQI
30
1
28
31
30
29
2
20
10
27
4
3
4
198
21
Highest AQI recorded in
August57AQI
Lowest AQI recorded in
April29AQI
202439AQI
31
29
31
30
27
4
21
8
22
9
31
26
4
20
11
30
30
1
328
37
Highest AQI recorded in
October47AQI
Lowest AQI recorded in
March32AQI
202362AQI
24
1
6
24
4
28
1
2
15
4
11
28
3
29
1
21
7
27
2
24
6
27
4
26
3
31
304
35
1
19
Highest AQI recorded in
April200AQI
Lowest AQI recorded in
December36AQI
2022105AQI
29
1
22
31
24
6
27
4
17
6
1
6
13
11
2
20
3
6
22
2
1
6
19
1
1
9
21
1
9
245
25
2
1
1
47
Highest AQI recorded in
July248AQI
Lowest AQI recorded in
January37AQI
202139AQI
28
28
31
27
3
30
1
28
2
29
2
21
10
23
5
30
1
29
1
31
335
25
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
January33AQI
202040AQI
13
20
18
28
2
27
4
24
7
19
11
17
14
30
31
227
38
Highest AQI recorded in
September50AQI
Lowest AQI recorded in
April31AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2022(Avg.)
105AQILeast Polluted Year Recorded
2025(Avg.)
36AQIAlpine's annual 2025 AQI (36) shows an average percentage change of -25.7% (improved AQI) compared to previous years: 2020 (40), 2021 (39), 2022 (105), 2023 (62), 2024 (39).
