Windsor, 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
Windsor, California, United States
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2024
37AQILowest AQI recorded on
24th Aug 2024
19AQISame Day Analysis (9th August ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Windsor, California, United States
AQI
Day
Night
.
6 AM9th Aug 2025
8 PM
5 AM10th Aug 2025
Day time
Avg. Highest Time
12PM9th Aug
55AQI
Avg. Lowest Time
8AM9th Aug
50AQI
Night time
Avg. Highest Time
12AM10th Aug
56AQI
Avg. Lowest Time
9PM9th Aug
52AQI
In the last 24 hours,
Windsor's AQI reached its highest point of 56 at 12 AM during the Night, while the lowest point, 50, was recorded at 8 AM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Windsor, 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 2025476 AMAQI
11th Jul 2025487 AMAQI
11th Jul 2025488 AMAQI
11th Jul 2025489 AMAQI
11th Jul 20254910 AMAQI
11th Jul 20254911 AMAQI
11th Jul 20255012 PMAQI
11th Jul 2025501 PMAQI
11th Jul 2025502 PMAQI
11th Jul 2025503 PMAQI
11th Jul 2025504 PMAQI
11th Jul 2025495 PMAQI
11th Jul 2025496 PMAQI
11th Jul 2025477 PMAQI
11th Jul 2025478 PMAQI
11th Jul 2025499 PMAQI
11th Jul 20254910 PMAQI
11th Jul 20254711 PMAQI
12th Jul 20254712 AMAQI
12th Jul 2025451 AMAQI
12th Jul 2025382 AMAQI
12th Jul 2025383 AMAQI
12th Jul 2025384 AMAQI
12th Jul 2025425 AMAQI
26°C17/38°C
12th Jul 2025426 AMAQI
12th Jul 2025447 AMAQI
12th Jul 2025438 AMAQI
12th Jul 2025459 AMAQI
12th Jul 20254510 AMAQI
12th Jul 20254611 AMAQI
12th Jul 20254512 PMAQI
12th Jul 2025441 PMAQI
12th Jul 2025442 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025424 PMAQI
12th Jul 2025435 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025428 PMAQI
12th Jul 2025429 PMAQI
12th Jul 20254210 PMAQI
12th Jul 20254211 PMAQI
13th Jul 20254212 AMAQI
13th Jul 2025421 AMAQI
13th Jul 2025392 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025354 AMAQI
13th Jul 2025335 AMAQI
21°C12/32°C
13th Jul 2025316 AMAQI
13th Jul 2025337 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025399 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253611 AMAQI
13th Jul 20253812 PMAQI
13th Jul 2025391 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025395 PMAQI
13th Jul 2025396 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025428 PMAQI
13th Jul 2025409 PMAQI
13th Jul 20254110 PMAQI
13th Jul 20254611 PMAQI
14th Jul 20254212 AMAQI
14th Jul 2025421 AMAQI
14th Jul 2025482 AMAQI
14th Jul 2025553 AMAQI
14th Jul 2025564 AMAQI
14th Jul 2025545 AMAQI
19°C11/31°C
14th Jul 2025556 AMAQI
14th Jul 2025547 AMAQI
14th Jul 2025548 AMAQI
14th Jul 2025569 AMAQI
14th Jul 20255610 AMAQI
14th Jul 20255711 AMAQI
14th Jul 20255912 PMAQI
14th Jul 2025591 PMAQI
14th Jul 2025612 PMAQI
14th Jul 2025593 PMAQI
14th Jul 2025594 PMAQI
14th Jul 2025615 PMAQI
14th Jul 2025586 PMAQI
14th Jul 2025597 PMAQI
14th Jul 2025588 PMAQI
14th Jul 2025589 PMAQI
14th Jul 20255810 PMAQI
14th Jul 20255611 PMAQI
15th Jul 20255512 AMAQI
15th Jul 2025571 AMAQI
15th Jul 2025662 AMAQI
15th Jul 2025773 AMAQI
15th Jul 2025774 AMAQI
15th Jul 2025795 AMAQI
21°C10/33°C
15th Jul 2025796 AMAQI
15th Jul 2025807 AMAQI
15th Jul 2025788 AMAQI
15th Jul 2025769 AMAQI
15th Jul 20257910 AMAQI
15th Jul 20258211 AMAQI
15th Jul 20258012 PMAQI
15th Jul 2025801 PMAQI
15th Jul 2025832 PMAQI
15th Jul 2025803 PMAQI
15th Jul 2025814 PMAQI
15th Jul 2025815 PMAQI
15th Jul 2025816 PMAQI
15th Jul 2025807 PMAQI
15th Jul 2025838 PMAQI
15th Jul 2025789 PMAQI
15th Jul 20257910 PMAQI
15th Jul 20258111 PMAQI
16th Jul 20257812 AMAQI
16th Jul 2025801 AMAQI
16th Jul 2025832 AMAQI
16th Jul 2025843 AMAQI
16th Jul 2025834 AMAQI
16th Jul 2025815 AMAQI
18°C10/28°C
16th Jul 2025816 AMAQI
16th Jul 2025807 AMAQI
16th Jul 2025788 AMAQI
16th Jul 2025809 AMAQI
16th Jul 20257710 AMAQI
16th Jul 20257211 AMAQI
16th Jul 20257112 PMAQI
16th Jul 2025681 PMAQI
16th Jul 2025662 PMAQI
16th Jul 2025653 PMAQI
16th Jul 2025634 PMAQI
16th Jul 2025625 PMAQI
16th Jul 2025626 PMAQI
16th Jul 2025627 PMAQI
16th Jul 2025598 PMAQI
16th Jul 2025709 PMAQI
16th Jul 20256810 PMAQI
16th Jul 20255711 PMAQI
17th Jul 20255812 AMAQI
17th Jul 2025551 AMAQI
17th Jul 2025392 AMAQI
17th Jul 2025363 AMAQI
17th Jul 2025374 AMAQI
17th Jul 2025385 AMAQI
16°C11/22°C
17th Jul 2025376 AMAQI
17th Jul 2025377 AMAQI
17th Jul 2025378 AMAQI
17th Jul 2025379 AMAQI
17th Jul 20253610 AMAQI
17th Jul 20253411 AMAQI
17th Jul 20253912 PMAQI
17th Jul 2025471 PMAQI
17th Jul 2025382 PMAQI
17th Jul 2025353 PMAQI
17th Jul 2025384 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025386 PMAQI
17th Jul 2025367 PMAQI
17th Jul 2025358 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253610 PMAQI
17th Jul 20253511 PMAQI
18th Jul 20253512 AMAQI
18th Jul 2025321 AMAQI
18th Jul 2025262 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025234 AMAQI
18th Jul 2025235 AMAQI
18°C11/29°C
18th Jul 2025226 AMAQI
18th Jul 2025237 AMAQI
18th Jul 2025228 AMAQI
18th Jul 2025229 AMAQI
18th Jul 20252410 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025241 PMAQI
18th Jul 2025242 PMAQI
18th Jul 2025253 PMAQI
18th Jul 2025244 PMAQI
18th Jul 2025245 PMAQI
18th Jul 2025246 PMAQI
18th Jul 2025237 PMAQI
18th Jul 2025238 PMAQI
18th Jul 2025259 PMAQI
18th Jul 20252310 PMAQI
18th Jul 20252511 PMAQI
19th Jul 20252512 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025262 AMAQI
19th Jul 2025263 AMAQI
19th Jul 2025304 AMAQI
19th Jul 2025305 AMAQI
19°C11/30°C
19th Jul 2025316 AMAQI
19th Jul 2025277 AMAQI
19th Jul 2025288 AMAQI
19th Jul 2025279 AMAQI
19th Jul 20252710 AMAQI
19th Jul 20252911 AMAQI
19th Jul 20252512 PMAQI
19th Jul 2025261 PMAQI
19th Jul 2025262 PMAQI
19th Jul 2025293 PMAQI
19th Jul 2025304 PMAQI
19th Jul 2025305 PMAQI
19th Jul 2025296 PMAQI
19th Jul 2025287 PMAQI
19th Jul 2025298 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252910 PMAQI
19th Jul 20253011 PMAQI
20th Jul 20253112 AMAQI
20th Jul 2025301 AMAQI
20th Jul 2025282 AMAQI
20th Jul 2025303 AMAQI
20th Jul 2025314 AMAQI
20th Jul 2025375 AMAQI
19°C9/30°C
20th Jul 2025326 AMAQI
20th Jul 2025317 AMAQI
20th Jul 2025328 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20253210 AMAQI
20th Jul 20253211 AMAQI
20th Jul 20253112 PMAQI
20th Jul 2025291 PMAQI
20th Jul 2025292 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025294 PMAQI
20th Jul 2025305 PMAQI
20th Jul 2025306 PMAQI
20th Jul 2025317 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025319 PMAQI
20th Jul 20253010 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025351 AMAQI
21st Jul 2025422 AMAQI
21st Jul 2025463 AMAQI
21st Jul 2025484 AMAQI
21st Jul 2025495 AMAQI
20°C10/31°C
21st Jul 2025496 AMAQI
21st Jul 2025497 AMAQI
21st Jul 2025528 AMAQI
21st Jul 2025529 AMAQI
21st Jul 20255210 AMAQI
21st Jul 20255311 AMAQI
21st Jul 20255712 PMAQI
21st Jul 2025551 PMAQI
21st Jul 2025542 PMAQI
21st Jul 2025503 PMAQI
21st Jul 2025494 PMAQI
21st Jul 2025505 PMAQI
21st Jul 2025506 PMAQI
21st Jul 2025467 PMAQI
21st Jul 2025438 PMAQI
21st Jul 2025459 PMAQI
21st Jul 20254410 PMAQI
21st Jul 20254111 PMAQI
22nd Jul 20253912 AMAQI
22nd Jul 2025381 AMAQI
22nd Jul 2025262 AMAQI
22nd Jul 2025233 AMAQI
22nd Jul 2025224 AMAQI
22nd Jul 2025215 AMAQI
18°C11/28°C
22nd Jul 2025236 AMAQI
22nd Jul 2025247 AMAQI
22nd Jul 2025238 AMAQI
22nd Jul 2025259 AMAQI
22nd Jul 20252510 AMAQI
22nd Jul 20252511 AMAQI
22nd Jul 20252612 PMAQI
22nd Jul 2025261 PMAQI
22nd Jul 2025262 PMAQI
22nd Jul 2025253 PMAQI
22nd Jul 2025264 PMAQI
22nd Jul 2025255 PMAQI
22nd Jul 2025266 PMAQI
22nd Jul 2025277 PMAQI
22nd Jul 2025268 PMAQI
22nd Jul 2025259 PMAQI
22nd Jul 20252510 PMAQI
22nd Jul 20252511 PMAQI
23rd Jul 20252512 AMAQI
23rd Jul 2025261 AMAQI
23rd Jul 2025282 AMAQI
23rd Jul 2025313 AMAQI
23rd Jul 2025264 AMAQI
23rd Jul 2025275 AMAQI
16°C9/24°C
23rd Jul 2025266 AMAQI
23rd Jul 2025277 AMAQI
23rd Jul 2025278 AMAQI
23rd Jul 2025299 AMAQI
23rd Jul 20252910 AMAQI
23rd Jul 20252911 AMAQI
23rd Jul 20253012 PMAQI
23rd Jul 2025301 PMAQI
23rd Jul 2025302 PMAQI
23rd Jul 2025313 PMAQI
23rd Jul 2025304 PMAQI
23rd Jul 2025315 PMAQI
23rd Jul 2025336 PMAQI
23rd Jul 2025337 PMAQI
23rd Jul 2025338 PMAQI
23rd Jul 2025309 PMAQI
23rd Jul 20253110 PMAQI
23rd Jul 20253511 PMAQI
24th Jul 20253312 AMAQI
24th Jul 2025331 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025373 AMAQI
24th Jul 2025364 AMAQI
24th Jul 2025375 AMAQI
17°C11/24°C
24th Jul 2025436 AMAQI
24th Jul 2025497 AMAQI
24th Jul 2025518 AMAQI
24th Jul 2025509 AMAQI
24th Jul 20255110 AMAQI
24th Jul 20255011 AMAQI
24th Jul 20255212 PMAQI
24th Jul 2025501 PMAQI
24th Jul 2025502 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025475 PMAQI
24th Jul 2025466 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025488 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254910 PMAQI
24th Jul 20254711 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025401 AMAQI
25th Jul 2025332 AMAQI
25th Jul 2025323 AMAQI
25th Jul 2025314 AMAQI
25th Jul 2025295 AMAQI
17°C11/26°C
25th Jul 2025306 AMAQI
25th Jul 2025327 AMAQI
25th Jul 2025358 AMAQI
25th Jul 2025349 AMAQI
25th Jul 20253410 AMAQI
25th Jul 20253411 AMAQI
25th Jul 20253312 PMAQI
25th Jul 2025341 PMAQI
25th Jul 2025342 PMAQI
25th Jul 2025353 PMAQI
25th Jul 2025344 PMAQI
25th Jul 2025345 PMAQI
25th Jul 2025346 PMAQI
25th Jul 2025357 PMAQI
25th Jul 2025338 PMAQI
25th Jul 2025339 PMAQI
25th Jul 20253410 PMAQI
25th Jul 20253711 PMAQI
26th Jul 20253812 AMAQI
26th Jul 2025401 AMAQI
26th Jul 2025472 AMAQI
26th Jul 2025523 AMAQI
26th Jul 2025504 AMAQI
26th Jul 2025485 AMAQI
17°C11/26°C
26th Jul 2025476 AMAQI
26th Jul 2025477 AMAQI
26th Jul 2025478 AMAQI
26th Jul 2025509 AMAQI
26th Jul 20255310 AMAQI
26th Jul 20255211 AMAQI
26th Jul 20255112 PMAQI
26th Jul 2025501 PMAQI
26th Jul 2025482 PMAQI
26th Jul 2025463 PMAQI
26th Jul 2025474 PMAQI
26th Jul 2025495 PMAQI
26th Jul 2025496 PMAQI
26th Jul 2025477 PMAQI
26th Jul 2025468 PMAQI
26th Jul 2025489 PMAQI
26th Jul 20254910 PMAQI
26th Jul 20254611 PMAQI
27th Jul 20254612 AMAQI
27th Jul 2025461 AMAQI
27th Jul 2025392 AMAQI
27th Jul 2025383 AMAQI
27th Jul 2025364 AMAQI
27th Jul 2025345 AMAQI
18°C11/25°C
27th Jul 2025356 AMAQI
27th Jul 2025347 AMAQI
27th Jul 2025328 AMAQI
27th Jul 2025339 AMAQI
27th Jul 20253610 AMAQI
27th Jul 20253911 AMAQI
27th Jul 20254112 PMAQI
27th Jul 2025391 PMAQI
27th Jul 2025382 PMAQI
27th Jul 2025373 PMAQI
27th Jul 2025394 PMAQI
27th Jul 2025395 PMAQI
27th Jul 2025386 PMAQI
27th Jul 2025407 PMAQI
27th Jul 2025408 PMAQI
27th Jul 2025369 PMAQI
27th Jul 20253810 PMAQI
27th Jul 20253811 PMAQI
28th Jul 20253812 AMAQI
28th Jul 2025361 AMAQI
28th Jul 2025342 AMAQI
28th Jul 2025353 AMAQI
28th Jul 2025374 AMAQI
28th Jul 2025375 AMAQI
19°C10/29°C
28th Jul 2025396 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025418 AMAQI
28th Jul 2025429 AMAQI
28th Jul 20254310 AMAQI
28th Jul 20254311 AMAQI
28th Jul 20254212 PMAQI
28th Jul 2025401 PMAQI
28th Jul 2025402 PMAQI
28th Jul 2025393 PMAQI
28th Jul 2025394 PMAQI
28th Jul 2025395 PMAQI
28th Jul 2025396 PMAQI
28th Jul 2025377 PMAQI
28th Jul 2025348 PMAQI
28th Jul 2025389 PMAQI
28th Jul 20253710 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253612 AMAQI
29th Jul 2025371 AMAQI
29th Jul 2025352 AMAQI
29th Jul 2025343 AMAQI
29th Jul 2025334 AMAQI
29th Jul 2025345 AMAQI
22°C11/33°C
29th Jul 2025316 AMAQI
29th Jul 2025317 AMAQI
29th Jul 2025358 AMAQI
29th Jul 2025409 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254311 AMAQI
29th Jul 20254212 PMAQI
29th Jul 2025431 PMAQI
29th Jul 2025432 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025434 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025426 PMAQI
29th Jul 2025417 PMAQI
29th Jul 2025438 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20253910 PMAQI
29th Jul 20254111 PMAQI
30th Jul 20254212 AMAQI
30th Jul 2025431 AMAQI
30th Jul 2025462 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025444 AMAQI
30th Jul 2025455 AMAQI
23°C14/34°C
30th Jul 2025476 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025499 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254812 PMAQI
30th Jul 2025481 PMAQI
30th Jul 2025492 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025504 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025486 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025498 PMAQI
30th Jul 2025499 PMAQI
30th Jul 20254910 PMAQI
30th Jul 20254911 PMAQI
31st Jul 20254912 AMAQI
31st Jul 2025511 AMAQI
31st Jul 2025682 AMAQI
31st Jul 2025993 AMAQI
31st Jul 20251164 AMAQI
31st Jul 20251105 AMAQI
21°C13/32°C
31st Jul 20251086 AMAQI
31st Jul 2025867 AMAQI
31st Jul 2025898 AMAQI
31st Jul 2025879 AMAQI
31st Jul 20257910 AMAQI
31st Jul 20257411 AMAQI
31st Jul 20258012 PMAQI
31st Jul 20251021 PMAQI
31st Jul 2025972 PMAQI
31st Jul 2025993 PMAQI
31st Jul 20251014 PMAQI
31st Jul 20251105 PMAQI
31st Jul 20251116 PMAQI
31st Jul 20251177 PMAQI
31st Jul 20251118 PMAQI
31st Jul 2025999 PMAQI
31st Jul 202511110 PMAQI
31st Jul 202511911 PMAQI
1st Aug 202511312 AMAQI
1st Aug 20251041 AMAQI
1st Aug 2025992 AMAQI
1st Aug 2025883 AMAQI
1st Aug 2025864 AMAQI
1st Aug 2025845 AMAQI
22°C12/33°C
1st Aug 2025826 AMAQI
1st Aug 2025817 AMAQI
1st Aug 2025778 AMAQI
1st Aug 2025709 AMAQI
1st Aug 20256010 AMAQI
1st Aug 20255711 AMAQI
1st Aug 20255212 PMAQI
1st Aug 2025491 PMAQI
1st Aug 2025492 PMAQI
1st Aug 2025513 PMAQI
1st Aug 2025534 PMAQI
1st Aug 2025535 PMAQI
1st Aug 2025496 PMAQI
1st Aug 2025457 PMAQI
1st Aug 2025408 PMAQI
1st Aug 2025569 PMAQI
1st Aug 20254410 PMAQI
1st Aug 20253611 PMAQI
2nd Aug 20253712 AMAQI
2nd Aug 2025391 AMAQI
2nd Aug 2025402 AMAQI
2nd Aug 2025413 AMAQI
2nd Aug 2025394 AMAQI
2nd Aug 2025385 AMAQI
23°C13/33°C
2nd Aug 2025396 AMAQI
2nd Aug 2025387 AMAQI
2nd Aug 2025368 AMAQI
2nd Aug 2025379 AMAQI
2nd Aug 20253810 AMAQI
2nd Aug 20253811 AMAQI
2nd Aug 20253612 PMAQI
2nd Aug 2025321 PMAQI
2nd Aug 2025302 PMAQI
2nd Aug 2025323 PMAQI
2nd Aug 2025314 PMAQI
2nd Aug 2025365 PMAQI
2nd Aug 2025426 PMAQI
2nd Aug 2025457 PMAQI
2nd Aug 2025468 PMAQI
2nd Aug 2025439 PMAQI
2nd Aug 20254710 PMAQI
2nd Aug 20255411 PMAQI
3rd Aug 20255312 AMAQI
3rd Aug 2025541 AMAQI
3rd Aug 2025522 AMAQI
3rd Aug 2025523 AMAQI
3rd Aug 2025544 AMAQI
3rd Aug 2025555 AMAQI
24°C14/35°C
3rd Aug 2025546 AMAQI
3rd Aug 2025557 AMAQI
3rd Aug 2025568 AMAQI
3rd Aug 2025569 AMAQI
3rd Aug 20255510 AMAQI
3rd Aug 20255711 AMAQI
3rd Aug 20255912 PMAQI
3rd Aug 2025651 PMAQI
3rd Aug 2025722 PMAQI
3rd Aug 2025763 PMAQI
3rd Aug 2025754 PMAQI
3rd Aug 2025775 PMAQI
3rd Aug 2025806 PMAQI
3rd Aug 2025777 PMAQI
3rd Aug 2025848 PMAQI
3rd Aug 2025619 PMAQI
3rd Aug 20257710 PMAQI
3rd Aug 20259811 PMAQI
4th Aug 202510112 AMAQI
4th Aug 2025961 AMAQI
4th Aug 20251042 AMAQI
4th Aug 2025983 AMAQI
4th Aug 2025934 AMAQI
4th Aug 20251035 AMAQI
23°C14/34°C
4th Aug 2025996 AMAQI
4th Aug 20251027 AMAQI
4th Aug 20251088 AMAQI
4th Aug 20251169 AMAQI
4th Aug 202512110 AMAQI
4th Aug 202512411 AMAQI
4th Aug 202512412 PMAQI
4th Aug 20251241 PMAQI
4th Aug 20251222 PMAQI
4th Aug 20251203 PMAQI
4th Aug 20251174 PMAQI
4th Aug 20251135 PMAQI
4th Aug 20251046 PMAQI
4th Aug 2025977 PMAQI
4th Aug 2025968 PMAQI
4th Aug 20251219 PMAQI
4th Aug 202510310 PMAQI
4th Aug 20259211 PMAQI
5th Aug 20259612 AMAQI
5th Aug 20251031 AMAQI
5th Aug 20251132 AMAQI
5th Aug 20251153 AMAQI
5th Aug 20251214 AMAQI
5th Aug 20251185 AMAQI
22°C13/34°C
5th Aug 20251116 AMAQI
5th Aug 20251047 AMAQI
5th Aug 20251018 AMAQI
5th Aug 2025989 AMAQI
5th Aug 20259910 AMAQI
5th Aug 202510011 AMAQI
5th Aug 20259912 PMAQI
5th Aug 20251011 PMAQI
5th Aug 20251022 PMAQI
5th Aug 2025983 PMAQI
5th Aug 2025914 PMAQI
5th Aug 2025855 PMAQI
5th Aug 2025776 PMAQI
5th Aug 2025717 PMAQI
5th Aug 2025698 PMAQI
5th Aug 2025979 PMAQI
5th Aug 20258110 PMAQI
5th Aug 20256811 PMAQI
6th Aug 20257112 AMAQI
6th Aug 2025801 AMAQI
6th Aug 2025912 AMAQI
6th Aug 2025913 AMAQI
6th Aug 2025864 AMAQI
6th Aug 2025845 AMAQI
22°C13/32°C
6th Aug 2025836 AMAQI
6th Aug 2025837 AMAQI
6th Aug 2025798 AMAQI
6th Aug 2025769 AMAQI
6th Aug 20257610 AMAQI
6th Aug 20257411 AMAQI
6th Aug 20257212 PMAQI
6th Aug 2025701 PMAQI
6th Aug 2025702 PMAQI
6th Aug 2025723 PMAQI
6th Aug 2025724 PMAQI
6th Aug 2025735 PMAQI
6th Aug 2025716 PMAQI
6th Aug 2025717 PMAQI
6th Aug 2025708 PMAQI
6th Aug 2025729 PMAQI
6th Aug 20257310 PMAQI
6th Aug 20257111 PMAQI
7th Aug 20257312 AMAQI
7th Aug 2025741 AMAQI
7th Aug 2025752 AMAQI
7th Aug 2025753 AMAQI
7th Aug 2025734 AMAQI
7th Aug 2025745 AMAQI
25°C14/37°C
7th Aug 2025716 AMAQI
7th Aug 2025707 AMAQI
7th Aug 2025698 AMAQI
7th Aug 2025699 AMAQI
7th Aug 20256710 AMAQI
7th Aug 20256711 AMAQI
7th Aug 20256712 PMAQI
7th Aug 2025681 PMAQI
7th Aug 2025662 PMAQI
7th Aug 2025653 PMAQI
7th Aug 2025664 PMAQI
7th Aug 2025675 PMAQI
7th Aug 2025676 PMAQI
7th Aug 2025667 PMAQI
7th Aug 2025668 PMAQI
7th Aug 2025679 PMAQI
7th Aug 20256610 PMAQI
7th Aug 20256511 PMAQI
8th Aug 20256712 AMAQI
8th Aug 2025661 AMAQI
8th Aug 2025632 AMAQI
8th Aug 2025633 AMAQI
8th Aug 2025644 AMAQI
8th Aug 2025645 AMAQI
26°C15/36°C
8th Aug 2025636 AMAQI
8th Aug 2025637 AMAQI
8th Aug 2025638 AMAQI
8th Aug 2025639 AMAQI
8th Aug 20256110 AMAQI
8th Aug 20255911 AMAQI
8th Aug 20255912 PMAQI
8th Aug 2025581 PMAQI
8th Aug 2025582 PMAQI
8th Aug 2025563 PMAQI
8th Aug 2025574 PMAQI
8th Aug 2025575 PMAQI
8th Aug 2025566 PMAQI
8th Aug 2025587 PMAQI
8th Aug 2025578 PMAQI
8th Aug 2025579 PMAQI
8th Aug 20255710 PMAQI
8th Aug 20255611 PMAQI
9th Aug 20255712 AMAQI
9th Aug 2025561 AMAQI
9th Aug 2025482 AMAQI
9th Aug 2025483 AMAQI
9th Aug 2025494 AMAQI
9th Aug 2025505 AMAQI
27°C17/39°C
9th Aug 2025526 AMAQI
9th Aug 2025517 AMAQI
9th Aug 2025508 AMAQI
9th Aug 2025519 AMAQI
9th Aug 20255310 AMAQI
9th Aug 20255311 AMAQI
9th Aug 20255512 PMAQI
9th Aug 2025541 PMAQI
9th Aug 2025552 PMAQI
9th Aug 2025553 PMAQI
9th Aug 2025544 PMAQI
9th Aug 2025525 PMAQI
9th Aug 2025516 PMAQI
9th Aug 2025517 PMAQI
9th Aug 2025528 PMAQI
9th Aug 2025529 PMAQI
9th Aug 20255310 PMAQI
9th Aug 20255511 PMAQI
10th Aug 20255612 AMAQI
10th Aug 2025541 AMAQI
10th Aug 2025542 AMAQI
10th Aug 2025543 AMAQI
10th Aug 2025544 AMAQI
10th Aug 2025555 AMAQI
25°C18/36°C
10th Aug 2025556 AMAQI
6 AM10th Aug 2025557 AMAQI
10th Aug 2025548 AMAQI
10th Aug 2025549 AMAQI
10th Aug 20255410 AMAQI
10th Aug 20255311 AMAQI
10th Aug 20255312 PMAQI
10th Aug 2025531 PMAQI
1 PM10th Aug 2025532 PMAQI
10th Aug 2025533 PMAQI
10th Aug 2025534 PMAQI
10th Aug 2025535 PMAQI
10th Aug 2025586 PMAQI
10th Aug 2025607 PMAQI
10th Aug 2025618 PMAQI
8 PM1 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM - 8 PM
53AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
53AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 53), while the lowest AQI was between 6 AM to 8 PM (Avg. 53).
Night time
Avg. Highest Time
12 AM - 11 PM
52AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 11 PM
52AQI
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. 52), while the lowest AQI was between 12 AM to 11 PM (Avg. 52).
2025 Days Vs Air Quality
Windsor, California, United States
2025
99%
218
1%
3
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
218 DaysModerate
3 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 222 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
Windsor, 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
42AQI
42AQI
2nd January 2025
36AQI
36AQI
3rd January 2025
41AQI
41AQI
4th January 2025
26AQI
26AQI
5th January 2025
33AQI
33AQI
6th January 2025
23AQI
23AQI
7th January 2025
23AQI
23AQI
8th January 2025
26AQI
26AQI
9th January 2025
38AQI
38AQI
10th January 2025
40AQI
40AQI
11th January 2025
30AQI
30AQI
12th January 2025
24AQI
24AQI
13th January 2025
29AQI
29AQI
14th January 2025
32AQI
32AQI
15th January 2025
46AQI
46AQI
16th January 2025
47AQI
47AQI
17th January 2025
44AQI
44AQI
18th January 2025
43AQI
43AQI
19th January 2025
50AQI
50AQI
20th January 2025
35AQI
35AQI
21st January 2025
42AQI
42AQI
22nd January 2025
48AQI
48AQI
23rd January 2025
51AQI
51AQI
24th January 2025
49AQI
49AQI
25th January 2025
38AQI
38AQI
26th January 2025
39AQI
39AQI
27th January 2025
41AQI
41AQI
28th January 2025
52AQI
52AQI
29th January 2025
46AQI
46AQI
30th January 2025
51AQI
51AQI
31st January 2025
43AQI
43AQI
1st February 2025
28AQI
28AQI
2nd February 2025
20AQI
20AQI
3rd February 2025
20AQI
20AQI
4th February 2025
21AQI
21AQI
5th February 2025
22AQI
22AQI
6th February 2025
27AQI
27AQI
7th February 2025
22AQI
22AQI
8th February 2025
25AQI
25AQI
9th February 2025
28AQI
28AQI
10th February 2025
34AQI
34AQI
11th February 2025
32AQI
32AQI
12th February 2025
33AQI
33AQI
13th February 2025
27AQI
27AQI
14th February 2025
25AQI
25AQI
15th February 2025
21AQI
21AQI
16th February 2025
26AQI
26AQI
17th February 2025
20AQI
20AQI
18th February 2025
24AQI
24AQI
19th February 2025
22AQI
22AQI
20th February 2025
22AQI
22AQI
21st February 2025
25AQI
25AQI
22nd February 2025
26AQI
26AQI
23rd February 2025
21AQI
21AQI
24th February 2025
19AQI
19AQI
25th February 2025
21AQI
21AQI
26th February 2025
28AQI
28AQI
27th February 2025
31AQI
31AQI
28th February 2025
34AQI
34AQI
1st March 2025
30AQI
30AQI
2nd March 2025
20AQI
20AQI
3rd March 2025
19AQI
19AQI
4th March 2025
20AQI
20AQI
5th March 2025
22AQI
22AQI
6th March 2025
21AQI
21AQI
7th March 2025
25AQI
25AQI
8th March 2025
32AQI
32AQI
9th March 2025
32AQI
32AQI
10th March 2025
27AQI
27AQI
11th March 2025
26AQI
26AQI
12th March 2025
20AQI
20AQI
13th March 2025
19AQI
19AQI
14th March 2025
17AQI
17AQI
15th March 2025
21AQI
21AQI
16th March 2025
18AQI
18AQI
17th March 2025
16AQI
16AQI
18th March 2025
18AQI
18AQI
19th March 2025
19AQI
19AQI
20th March 2025
16AQI
16AQI
21st March 2025
23AQI
23AQI
22nd March 2025
18AQI
18AQI
23rd March 2025
20AQI
20AQI
24th March 2025
20AQI
20AQI
25th March 2025
23AQI
23AQI
26th March 2025
28AQI
28AQI
27th March 2025
20AQI
20AQI
28th March 2025
23AQI
23AQI
29th March 2025
20AQI
20AQI
30th March 2025
22AQI
22AQI
31st March 2025
21AQI
21AQI
1st April 2025
23AQI
23AQI
2nd April 2025
17AQI
17AQI
3rd April 2025
21AQI
21AQI
4th April 2025
21AQI
21AQI
5th April 2025
24AQI
24AQI
6th April 2025
18AQI
18AQI
7th April 2025
14AQI
14AQI
8th April 2025
13AQI
13AQI
9th April 2025
17AQI
17AQI
10th April 2025
17AQI
17AQI
11th April 2025
18AQI
18AQI
12th April 2025
20AQI
20AQI
13th April 2025
22AQI
22AQI
14th April 2025
21AQI
21AQI
15th April 2025
26AQI
26AQI
16th April 2025
25AQI
25AQI
17th April 2025
18AQI
18AQI
18th April 2025
22AQI
22AQI
19th April 2025
25AQI
25AQI
20th April 2025
18AQI
18AQI
21st April 2025
20AQI
20AQI
22nd April 2025
32AQI
32AQI
23rd April 2025
34AQI
34AQI
24th April 2025
28AQI
28AQI
25th April 2025
18AQI
18AQI
26th April 2025
18AQI
18AQI
27th April 2025
15AQI
15AQI
28th April 2025
20AQI
20AQI
29th April 2025
27AQI
27AQI
30th April 2025
28AQI
28AQI
1st May 2025
33AQI
33AQI
2nd May 2025
24AQI
24AQI
3rd May 2025
16AQI
16AQI
4th May 2025
19AQI
19AQI
5th May 2025
23AQI
23AQI
6th May 2025
30AQI
30AQI
7th May 2025
35AQI
35AQI
8th May 2025
22AQI
22AQI
9th May 2025
28AQI
28AQI
10th May 2025
20AQI
20AQI
11th May 2025
17AQI
17AQI
12th May 2025
15AQI
15AQI
13th May 2025
15AQI
15AQI
14th May 2025
20AQI
20AQI
15th May 2025
24AQI
24AQI
16th May 2025
28AQI
28AQI
17th May 2025
23AQI
23AQI
18th May 2025
19AQI
19AQI
19th May 2025
16AQI
16AQI
20th May 2025
15AQI
15AQI
21st May 2025
29AQI
29AQI
22nd May 2025
21AQI
21AQI
23rd May 2025
18AQI
18AQI
24th May 2025
26AQI
26AQI
25th May 2025
18AQI
18AQI
26th May 2025
15AQI
15AQI
27th May 2025
20AQI
20AQI
28th May 2025
21AQI
21AQI
29th May 2025
18AQI
18AQI
30th May 2025
20AQI
20AQI
31st May 2025
33AQI
33AQI
1st June 2025
43AQI
43AQI
2nd June 2025
47AQI
47AQI
3rd June 2025
33AQI
33AQI
4th June 2025
28AQI
28AQI
5th June 2025
21AQI
21AQI
6th June 2025
17AQI
17AQI
7th June 2025
17AQI
17AQI
8th June 2025
16AQI
16AQI
9th June 2025
17AQI
17AQI
10th June 2025
20AQI
20AQI
11th June 2025
26AQI
26AQI
12th June 2025
36AQI
36AQI
13th June 2025
37AQI
37AQI
14th June 2025
35AQI
35AQI
15th June 2025
35AQI
35AQI
16th June 2025
26AQI
26AQI
17th June 2025
24AQI
24AQI
18th June 2025
23AQI
23AQI
19th June 2025
29AQI
29AQI
20th June 2025
29AQI
29AQI
21st June 2025
23AQI
23AQI
22nd June 2025
20AQI
20AQI
23rd June 2025
23AQI
23AQI
24th June 2025
22AQI
22AQI
25th June 2025
20AQI
20AQI
26th June 2025
19AQI
19AQI
27th June 2025
22AQI
22AQI
28th June 2025
24AQI
24AQI
29th June 2025
23AQI
23AQI
30th June 2025
20AQI
20AQI
1st July 2025
20AQI
20AQI
2nd July 2025
18AQI
18AQI
3rd July 2025
24AQI
24AQI
4th July 2025
24AQI
24AQI
5th July 2025
29AQI
29AQI
6th July 2025
27AQI
27AQI
7th July 2025
19AQI
19AQI
8th July 2025
18AQI
18AQI
9th July 2025
17AQI
17AQI
10th July 2025
20AQI
20AQI
11th July 2025
31AQI
31AQI
12th July 2025
30AQI
30AQI
13th July 2025
22AQI
22AQI
14th July 2025
18AQI
18AQI
15th July 2025
18AQI
18AQI
16th July 2025
20AQI
20AQI
17th July 2025
19AQI
19AQI
18th July 2025
16AQI
16AQI
19th July 2025
18AQI
18AQI
20th July 2025
18AQI
18AQI
21st July 2025
22AQI
22AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
18AQI
18AQI
24th July 2025
15AQI
15AQI
25th July 2025
15AQI
15AQI
26th July 2025
15AQI
15AQI
27th July 2025
15AQI
15AQI
28th July 2025
17AQI
17AQI
29th July 2025
21AQI
21AQI
30th July 2025
22AQI
22AQI
31st July 2025
22AQI
22AQI
1st August 2025
22AQI
22AQI
2nd August 2025
20AQI
20AQI
3rd August 2025
28AQI
28AQI
4th August 2025
29AQI
29AQI
5th August 2025
26AQI
26AQI
6th August 2025
31AQI
31AQI
7th August 2025
24AQI
24AQI
8th August 2025
30AQI
30AQI
9th August 2025
31AQI
31AQI
39AQI
25AQI
22AQI
21AQI
22AQI
26AQI
20AQI
27AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202525AQI
28
3
28
31
30
31
30
31
9
218
3
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
July20AQI
202431AQI
15
1
1
1
12
29
31
31
27
1
28
3
26
4
23
8
224
17
Highest AQI recorded in
April42AQI
Lowest AQI recorded in
March17AQI
202335AQI
2
1
27
4
29
5
Highest AQI recorded in
November52AQI
Lowest AQI recorded in
December33AQI
202078AQI
11
10
1
4
1
1
1
1
11
12
2
4
1
Highest AQI recorded in
October104AQI
Lowest AQI recorded in
November55AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2020(Avg.)
78AQILeast Polluted Year Recorded
2025(Avg.)
25AQIWindsor's annual 2025 AQI (25) shows an average percentage change of -38.2% (improved AQI) compared to previous years: 2020 (78), 2023 (35), 2024 (31).
