Cottonwood Visitor Center, Chiriaco Summit, 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+
October Air Quality Analysis
Cottonwood Visitor Center, Chiriaco Summit, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Oct 2024
116AQILowest AQI recorded on
15th Oct 2025
18AQISame Day Analysis (25th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 42 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 25th Oct - 26th Oct 2025
Cottonwood Visitor Center, Chiriaco Summit, California, United States
AQI
Day
Night
.
6 AM25th Oct 2025
6 PM
5 AM26th Oct 2025
Day time
Avg. Highest Time
6AM25th Oct
53AQI
Avg. Lowest Time
5PM25th Oct
33AQI
Night time
Avg. Highest Time
10PM25th Oct
70AQI
Avg. Lowest Time
7PM25th Oct
20AQI
In the last 24 hours,
Cottonwood Visitor Center's AQI reached its highest point of 70 at 10 PM during the Night, while the lowest point, 20, was recorded at 7 PM during the Night between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Cottonwood Visitor Center, Chiriaco Summit, California, United States
SepOct
26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th
Day
Night
26th Sep 2025356 AMAQI
26th Sep 2025367 AMAQI
26th Sep 2025338 AMAQI
26th Sep 2025319 AMAQI
26th Sep 20253810 AMAQI
26th Sep 20255411 AMAQI
26th Sep 20255812 PMAQI
26th Sep 2025441 PMAQI
26th Sep 2025422 PMAQI
26th Sep 2025423 PMAQI
26th Sep 2025414 PMAQI
26th Sep 2025425 PMAQI
26th Sep 2025426 PMAQI
26th Sep 2025437 PMAQI
26th Sep 2025438 PMAQI
26th Sep 2025429 PMAQI
26th Sep 20254310 PMAQI
26th Sep 20252911 PMAQI
27th Sep 20252012 AMAQI
27th Sep 2025231 AMAQI
27th Sep 2025222 AMAQI
27th Sep 2025243 AMAQI
27th Sep 2025244 AMAQI
27th Sep 2025165 AMAQI
28°C24/33°C
27th Sep 2025236 AMAQI
27th Sep 2025267 AMAQI
27th Sep 2025278 AMAQI
27th Sep 2025189 AMAQI
27th Sep 20251810 AMAQI
27th Sep 20251611 AMAQI
27th Sep 20251512 PMAQI
27th Sep 2025121 PMAQI
27th Sep 2025182 PMAQI
27th Sep 2025203 PMAQI
27th Sep 2025154 PMAQI
27th Sep 2025155 PMAQI
27th Sep 2025206 PMAQI
27th Sep 2025167 PMAQI
27th Sep 2025178 PMAQI
27th Sep 2025179 PMAQI
27th Sep 20251710 PMAQI
27th Sep 20251611 PMAQI
28th Sep 20251712 AMAQI
28th Sep 2025221 AMAQI
28th Sep 2025202 AMAQI
28th Sep 2025173 AMAQI
28th Sep 2025204 AMAQI
28th Sep 2025225 AMAQI
24°C20/28°C
28th Sep 2025226 AMAQI
28th Sep 2025207 AMAQI
28th Sep 2025178 AMAQI
28th Sep 2025209 AMAQI
28th Sep 20252410 AMAQI
28th Sep 20252611 AMAQI
28th Sep 20253012 PMAQI
28th Sep 2025391 PMAQI
28th Sep 2025312 PMAQI
28th Sep 2025303 PMAQI
28th Sep 2025314 PMAQI
28th Sep 2025305 PMAQI
28th Sep 2025316 PMAQI
28th Sep 2025287 PMAQI
28th Sep 2025308 PMAQI
28th Sep 2025339 PMAQI
28th Sep 20253510 PMAQI
28th Sep 20253911 PMAQI
29th Sep 20253912 AMAQI
29th Sep 2025391 AMAQI
29th Sep 2025392 AMAQI
29th Sep 2025413 AMAQI
29th Sep 2025444 AMAQI
29th Sep 2025445 AMAQI
26°C20/31°C
29th Sep 2025466 AMAQI
29th Sep 2025507 AMAQI
29th Sep 2025428 AMAQI
29th Sep 2025449 AMAQI
29th Sep 20255010 AMAQI
29th Sep 20254211 AMAQI
29th Sep 20254312 PMAQI
29th Sep 2025481 PMAQI
29th Sep 2025402 PMAQI
29th Sep 2025393 PMAQI
29th Sep 2025354 PMAQI
29th Sep 2025305 PMAQI
29th Sep 2025326 PMAQI
29th Sep 2025367 PMAQI
29th Sep 2025358 PMAQI
29th Sep 2025399 PMAQI
29th Sep 20253910 PMAQI
29th Sep 20253911 PMAQI
30th Sep 20254312 AMAQI
30th Sep 2025431 AMAQI
30th Sep 2025452 AMAQI
30th Sep 2025423 AMAQI
30th Sep 2025404 AMAQI
30th Sep 2025345 AMAQI
27°C22/34°C
30th Sep 2025356 AMAQI
30th Sep 2025407 AMAQI
30th Sep 2025428 AMAQI
30th Sep 2025389 AMAQI
30th Sep 20253310 AMAQI
30th Sep 20253311 AMAQI
30th Sep 20253612 PMAQI
30th Sep 2025361 PMAQI
30th Sep 2025382 PMAQI
30th Sep 2025383 PMAQI
30th Sep 2025294 PMAQI
30th Sep 2025305 PMAQI
30th Sep 2025316 PMAQI
30th Sep 2025317 PMAQI
30th Sep 2025308 PMAQI
30th Sep 2025289 PMAQI
30th Sep 20253210 PMAQI
30th Sep 20253611 PMAQI
1st Oct 20253512 AMAQI
1st Oct 2025371 AMAQI
1st Oct 2025452 AMAQI
1st Oct 2025523 AMAQI
1st Oct 2025504 AMAQI
1st Oct 2025505 AMAQI
28°C22/35°C
1st Oct 2025526 AMAQI
1st Oct 2025517 AMAQI
1st Oct 2025458 AMAQI
1st Oct 2025489 AMAQI
1st Oct 20255210 AMAQI
1st Oct 20255611 AMAQI
1st Oct 20255312 PMAQI
1st Oct 2025481 PMAQI
1st Oct 2025422 PMAQI
1st Oct 2025473 PMAQI
1st Oct 2025494 PMAQI
1st Oct 2025195 PMAQI
1st Oct 2025266 PMAQI
1st Oct 2025237 PMAQI
1st Oct 2025488 PMAQI
1st Oct 2025329 PMAQI
1st Oct 20253810 PMAQI
1st Oct 20253911 PMAQI
2nd Oct 20254212 AMAQI
2nd Oct 2025441 AMAQI
2nd Oct 2025452 AMAQI
2nd Oct 2025473 AMAQI
2nd Oct 2025544 AMAQI
2nd Oct 2025425 AMAQI
27°C21/34°C
2nd Oct 2025406 AMAQI
2nd Oct 2025377 AMAQI
2nd Oct 2025338 AMAQI
2nd Oct 2025469 AMAQI
2nd Oct 20254310 AMAQI
2nd Oct 20253811 AMAQI
2nd Oct 20254212 PMAQI
2nd Oct 2025451 PMAQI
2nd Oct 2025372 PMAQI
2nd Oct 2025353 PMAQI
2nd Oct 2025224 PMAQI
2nd Oct 2025205 PMAQI
2nd Oct 2025386 PMAQI
2nd Oct 2025187 PMAQI
2nd Oct 2025158 PMAQI
2nd Oct 2025329 PMAQI
2nd Oct 20254310 PMAQI
2nd Oct 20254011 PMAQI
3rd Oct 20253612 AMAQI
3rd Oct 2025341 AMAQI
3rd Oct 2025332 AMAQI
3rd Oct 2025613 AMAQI
3rd Oct 2025584 AMAQI
3rd Oct 2025375 AMAQI
28°C20/37°C
3rd Oct 2025376 AMAQI
3rd Oct 2025357 AMAQI
3rd Oct 2025248 AMAQI
3rd Oct 2025269 AMAQI
3rd Oct 20254610 AMAQI
3rd Oct 20254811 AMAQI
3rd Oct 20254612 PMAQI
3rd Oct 2025401 PMAQI
3rd Oct 2025372 PMAQI
3rd Oct 2025343 PMAQI
3rd Oct 2025364 PMAQI
3rd Oct 2025525 PMAQI
3rd Oct 2025196 PMAQI
3rd Oct 2025857 PMAQI
3rd Oct 2025898 PMAQI
3rd Oct 2025929 PMAQI
3rd Oct 202510010 PMAQI
3rd Oct 202512811 PMAQI
4th Oct 202513112 AMAQI
4th Oct 2025981 AMAQI
4th Oct 2025862 AMAQI
4th Oct 2025743 AMAQI
4th Oct 2025544 AMAQI
4th Oct 2025345 AMAQI
27°C21/34°C
4th Oct 2025286 AMAQI
4th Oct 2025307 AMAQI
4th Oct 2025198 AMAQI
4th Oct 2025179 AMAQI
4th Oct 20252810 AMAQI
4th Oct 20253611 AMAQI
4th Oct 20254912 PMAQI
4th Oct 2025491 PMAQI
4th Oct 2025512 PMAQI
4th Oct 2025503 PMAQI
4th Oct 2025424 PMAQI
4th Oct 2025215 PMAQI
4th Oct 2025336 PMAQI
4th Oct 2025177 PMAQI
4th Oct 2025168 PMAQI
4th Oct 2025179 PMAQI
4th Oct 20255210 PMAQI
4th Oct 20254811 PMAQI
5th Oct 20255512 AMAQI
5th Oct 2025461 AMAQI
5th Oct 2025452 AMAQI
5th Oct 2025503 AMAQI
5th Oct 2025534 AMAQI
5th Oct 2025545 AMAQI
24°C18/30°C
5th Oct 2025536 AMAQI
5th Oct 2025577 AMAQI
5th Oct 2025428 AMAQI
5th Oct 2025379 AMAQI
5th Oct 20254010 AMAQI
5th Oct 20253711 AMAQI
5th Oct 20254312 PMAQI
5th Oct 2025451 PMAQI
5th Oct 2025432 PMAQI
5th Oct 2025163 PMAQI
5th Oct 2025144 PMAQI
5th Oct 2025125 PMAQI
5th Oct 2025116 PMAQI
5th Oct 2025117 PMAQI
5th Oct 2025148 PMAQI
5th Oct 2025149 PMAQI
5th Oct 20252710 PMAQI
5th Oct 20252211 PMAQI
6th Oct 20252712 AMAQI
6th Oct 2025271 AMAQI
6th Oct 2025362 AMAQI
6th Oct 2025433 AMAQI
6th Oct 2025484 AMAQI
6th Oct 2025515 AMAQI
25°C18/32°C
6th Oct 2025386 AMAQI
6th Oct 2025387 AMAQI
6th Oct 2025458 AMAQI
6th Oct 2025489 AMAQI
6th Oct 20255010 AMAQI
7th Oct 2025484 AMAQI
7th Oct 2025535 AMAQI
25°C18/33°C
7th Oct 2025526 AMAQI
7th Oct 2025497 AMAQI
7th Oct 2025508 AMAQI
7th Oct 2025279 AMAQI
7th Oct 20256610 AMAQI
7th Oct 20255711 AMAQI
7th Oct 20255312 PMAQI
7th Oct 2025591 PMAQI
7th Oct 2025492 PMAQI
7th Oct 2025323 PMAQI
7th Oct 2025304 PMAQI
7th Oct 2025205 PMAQI
7th Oct 2025226 PMAQI
7th Oct 2025217 PMAQI
7th Oct 2025248 PMAQI
7th Oct 2025239 PMAQI
7th Oct 20253810 PMAQI
7th Oct 20253811 PMAQI
8th Oct 20253512 AMAQI
8th Oct 2025421 AMAQI
8th Oct 2025522 AMAQI
8th Oct 2025543 AMAQI
8th Oct 2025534 AMAQI
8th Oct 2025455 AMAQI
26°C19/34°C
8th Oct 2025606 AMAQI
8th Oct 2025607 AMAQI
8th Oct 2025628 AMAQI
8th Oct 2025549 AMAQI
8th Oct 20256310 AMAQI
8th Oct 20257811 AMAQI
8th Oct 20257312 PMAQI
8th Oct 2025601 PMAQI
8th Oct 2025532 PMAQI
8th Oct 2025593 PMAQI
8th Oct 2025534 PMAQI
8th Oct 2025525 PMAQI
8th Oct 2025446 PMAQI
8th Oct 2025517 PMAQI
8th Oct 2025468 PMAQI
8th Oct 2025409 PMAQI
8th Oct 20253810 PMAQI
8th Oct 20254811 PMAQI
9th Oct 20254912 AMAQI
9th Oct 2025541 AMAQI
9th Oct 2025482 AMAQI
9th Oct 2025483 AMAQI
9th Oct 2025444 AMAQI
9th Oct 2025465 AMAQI
26°C18/36°C
9th Oct 2025446 AMAQI
9th Oct 2025427 AMAQI
9th Oct 2025428 AMAQI
9th Oct 2025459 AMAQI
9th Oct 20254510 AMAQI
9th Oct 20255911 AMAQI
9th Oct 20256812 PMAQI
9th Oct 2025571 PMAQI
9th Oct 2025532 PMAQI
9th Oct 2025533 PMAQI
9th Oct 2025464 PMAQI
9th Oct 2025245 PMAQI
9th Oct 2025786 PMAQI
9th Oct 2025617 PMAQI
9th Oct 2025258 PMAQI
9th Oct 2025349 PMAQI
9th Oct 20255610 PMAQI
9th Oct 20255111 PMAQI
10th Oct 20254112 AMAQI
10th Oct 2025451 AMAQI
10th Oct 2025442 AMAQI
10th Oct 2025373 AMAQI
10th Oct 2025174 AMAQI
10th Oct 2025325 AMAQI
27°C21/35°C
10th Oct 2025416 AMAQI
10th Oct 2025387 AMAQI
10th Oct 2025508 AMAQI
10th Oct 2025409 AMAQI
10th Oct 20254210 AMAQI
10th Oct 20254711 AMAQI
10th Oct 20255112 PMAQI
10th Oct 2025561 PMAQI
10th Oct 2025482 PMAQI
10th Oct 2025583 PMAQI
10th Oct 2025484 PMAQI
10th Oct 2025465 PMAQI
10th Oct 2025376 PMAQI
10th Oct 2025437 PMAQI
10th Oct 2025428 PMAQI
10th Oct 2025509 PMAQI
10th Oct 20254910 PMAQI
10th Oct 20251911 PMAQI
11th Oct 20253212 AMAQI
11th Oct 2025181 AMAQI
11th Oct 202582 AMAQI
11th Oct 202593 AMAQI
11th Oct 2025174 AMAQI
11th Oct 2025285 AMAQI
25°C22/32°C
11th Oct 2025176 AMAQI
11th Oct 2025307 AMAQI
11th Oct 2025118 AMAQI
11th Oct 2025209 AMAQI
11th Oct 20253610 AMAQI
11th Oct 20252611 AMAQI
11th Oct 20252312 PMAQI
11th Oct 2025471 PMAQI
11th Oct 2025392 PMAQI
11th Oct 2025433 PMAQI
11th Oct 2025394 PMAQI
11th Oct 2025405 PMAQI
11th Oct 2025406 PMAQI
11th Oct 2025467 PMAQI
11th Oct 2025458 PMAQI
11th Oct 2025429 PMAQI
11th Oct 20254710 PMAQI
11th Oct 20255011 PMAQI
12th Oct 20254112 AMAQI
12th Oct 2025421 AMAQI
12th Oct 2025352 AMAQI
12th Oct 2025403 AMAQI
12th Oct 2025374 AMAQI
12th Oct 2025375 AMAQI
25°C21/33°C
12th Oct 2025376 AMAQI
12th Oct 2025357 AMAQI
12th Oct 2025158 AMAQI
12th Oct 2025179 AMAQI
12th Oct 20252010 AMAQI
12th Oct 20252911 AMAQI
12th Oct 20254612 PMAQI
12th Oct 2025531 PMAQI
12th Oct 2025452 PMAQI
12th Oct 2025353 PMAQI
12th Oct 2025234 PMAQI
12th Oct 2025385 PMAQI
12th Oct 2025376 PMAQI
12th Oct 2025397 PMAQI
12th Oct 2025308 PMAQI
12th Oct 2025209 PMAQI
12th Oct 20252710 PMAQI
12th Oct 20252711 PMAQI
13th Oct 20252212 AMAQI
13th Oct 2025221 AMAQI
13th Oct 2025502 AMAQI
13th Oct 2025563 AMAQI
13th Oct 2025564 AMAQI
13th Oct 2025475 AMAQI
25°C18/31°C
13th Oct 2025396 AMAQI
13th Oct 2025377 AMAQI
13th Oct 2025378 AMAQI
13th Oct 2025469 AMAQI
13th Oct 20254610 AMAQI
13th Oct 20255211 AMAQI
13th Oct 20255812 PMAQI
13th Oct 2025601 PMAQI
13th Oct 2025672 PMAQI
13th Oct 2025633 PMAQI
13th Oct 2025694 PMAQI
13th Oct 2025685 PMAQI
13th Oct 2025716 PMAQI
13th Oct 2025617 PMAQI
13th Oct 2025628 PMAQI
13th Oct 2025589 PMAQI
13th Oct 20256510 PMAQI
13th Oct 20255711 PMAQI
14th Oct 20255512 AMAQI
14th Oct 2025561 AMAQI
14th Oct 2025522 AMAQI
14th Oct 2025463 AMAQI
14th Oct 2025434 AMAQI
14th Oct 2025455 AMAQI
23°C17/30°C
14th Oct 2025466 AMAQI
14th Oct 2025407 AMAQI
14th Oct 2025388 AMAQI
14th Oct 2025399 AMAQI
14th Oct 20254610 AMAQI
14th Oct 20254411 AMAQI
14th Oct 20254512 PMAQI
14th Oct 2025441 PMAQI
14th Oct 2025422 PMAQI
14th Oct 2025523 PMAQI
14th Oct 2025514 PMAQI
14th Oct 2025565 PMAQI
14th Oct 2025696 PMAQI
14th Oct 2025867 PMAQI
14th Oct 2025808 PMAQI
14th Oct 2025829 PMAQI
14th Oct 20258210 PMAQI
14th Oct 20254511 PMAQI
15th Oct 20254312 AMAQI
15th Oct 2025201 AMAQI
15th Oct 202572 AMAQI
15th Oct 202563 AMAQI
15th Oct 202564 AMAQI
15th Oct 202565 AMAQI
20°C15/24°C
15th Oct 202566 AMAQI
15th Oct 2025107 AMAQI
15th Oct 2025228 AMAQI
15th Oct 2025269 AMAQI
15th Oct 20252310 AMAQI
15th Oct 20252611 AMAQI
15th Oct 20253212 PMAQI
15th Oct 2025261 PMAQI
15th Oct 2025152 PMAQI
15th Oct 2025113 PMAQI
15th Oct 2025104 PMAQI
15th Oct 2025135 PMAQI
15th Oct 2025136 PMAQI
15th Oct 2025217 PMAQI
15th Oct 2025188 PMAQI
15th Oct 2025169 PMAQI
15th Oct 20252710 PMAQI
15th Oct 20252211 PMAQI
16th Oct 20252212 AMAQI
16th Oct 2025181 AMAQI
16th Oct 2025162 AMAQI
16th Oct 2025333 AMAQI
16th Oct 2025184 AMAQI
16th Oct 2025155 AMAQI
19°C13/24°C
16th Oct 2025376 AMAQI
16th Oct 2025187 AMAQI
16th Oct 2025138 AMAQI
16th Oct 2025259 AMAQI
16th Oct 20255210 AMAQI
16th Oct 20254011 AMAQI
16th Oct 20253612 PMAQI
16th Oct 2025391 PMAQI
16th Oct 2025172 PMAQI
16th Oct 2025143 PMAQI
16th Oct 2025124 PMAQI
16th Oct 2025115 PMAQI
16th Oct 2025176 PMAQI
16th Oct 2025147 PMAQI
16th Oct 2025198 PMAQI
16th Oct 2025249 PMAQI
16th Oct 20252410 PMAQI
16th Oct 20251911 PMAQI
17th Oct 20251812 AMAQI
17th Oct 2025221 AMAQI
17th Oct 2025172 AMAQI
17th Oct 2025123 AMAQI
17th Oct 2025114 AMAQI
17th Oct 2025125 AMAQI
20°C13/27°C
17th Oct 2025136 AMAQI
17th Oct 2025137 AMAQI
17th Oct 2025238 AMAQI
17th Oct 2025459 AMAQI
17th Oct 20253610 AMAQI
17th Oct 20254211 AMAQI
17th Oct 20254012 PMAQI
17th Oct 2025431 PMAQI
17th Oct 2025382 PMAQI
17th Oct 2025183 PMAQI
17th Oct 2025144 PMAQI
17th Oct 2025125 PMAQI
17th Oct 2025156 PMAQI
17th Oct 2025207 PMAQI
17th Oct 2025228 PMAQI
17th Oct 2025359 PMAQI
17th Oct 20253810 PMAQI
17th Oct 20254811 PMAQI
18th Oct 20255212 AMAQI
18th Oct 2025501 AMAQI
18th Oct 2025452 AMAQI
18th Oct 2025233 AMAQI
18th Oct 2025194 AMAQI
18th Oct 2025255 AMAQI
22°C15/29°C
18th Oct 2025306 AMAQI
18th Oct 2025217 AMAQI
18th Oct 2025248 AMAQI
18th Oct 2025399 AMAQI
18th Oct 20252810 AMAQI
18th Oct 20255411 AMAQI
18th Oct 20254612 PMAQI
18th Oct 2025401 PMAQI
18th Oct 2025342 PMAQI
18th Oct 2025323 PMAQI
18th Oct 2025484 PMAQI
18th Oct 2025465 PMAQI
18th Oct 2025296 PMAQI
18th Oct 2025137 PMAQI
18th Oct 2025398 PMAQI
18th Oct 2025429 PMAQI
18th Oct 20254810 PMAQI
18th Oct 20255411 PMAQI
19th Oct 20254512 AMAQI
19th Oct 2025541 AMAQI
19th Oct 2025522 AMAQI
19th Oct 2025523 AMAQI
19th Oct 2025484 AMAQI
19th Oct 2025465 AMAQI
22°C14/30°C
19th Oct 2025366 AMAQI
19th Oct 2025217 AMAQI
19th Oct 2025348 AMAQI
19th Oct 2025249 AMAQI
19th Oct 20252610 AMAQI
19th Oct 20253911 AMAQI
19th Oct 20255712 PMAQI
19th Oct 2025421 PMAQI
19th Oct 2025122 PMAQI
19th Oct 2025163 PMAQI
19th Oct 2025224 PMAQI
19th Oct 2025175 PMAQI
19th Oct 2025186 PMAQI
19th Oct 2025147 PMAQI
19th Oct 2025138 PMAQI
19th Oct 2025189 PMAQI
19th Oct 20252110 PMAQI
19th Oct 20251911 PMAQI
20th Oct 20254212 AMAQI
20th Oct 2025711 AMAQI
20th Oct 2025742 AMAQI
20th Oct 2025713 AMAQI
20th Oct 2025664 AMAQI
20th Oct 2025445 AMAQI
23°C15/31°C
20th Oct 2025206 AMAQI
20th Oct 2025287 AMAQI
20th Oct 2025518 AMAQI
20th Oct 2025679 AMAQI
20th Oct 20257610 AMAQI
20th Oct 20257711 AMAQI
20th Oct 20258312 PMAQI
20th Oct 2025681 PMAQI
20th Oct 2025432 PMAQI
20th Oct 2025383 PMAQI
20th Oct 2025264 PMAQI
20th Oct 2025245 PMAQI
20th Oct 2025226 PMAQI
20th Oct 2025237 PMAQI
20th Oct 2025228 PMAQI
20th Oct 2025269 PMAQI
20th Oct 20252810 PMAQI
20th Oct 20254611 PMAQI
21st Oct 20256912 AMAQI
21st Oct 2025741 AMAQI
21st Oct 2025732 AMAQI
21st Oct 2025493 AMAQI
21st Oct 2025274 AMAQI
21st Oct 2025295 AMAQI
23°C15/32°C
21st Oct 2025446 AMAQI
21st Oct 2025307 AMAQI
21st Oct 2025278 AMAQI
21st Oct 2025349 AMAQI
21st Oct 20253810 AMAQI
21st Oct 20255411 AMAQI
21st Oct 20256912 PMAQI
21st Oct 2025511 PMAQI
21st Oct 2025382 PMAQI
21st Oct 2025323 PMAQI
21st Oct 2025314 PMAQI
21st Oct 2025345 PMAQI
21st Oct 2025356 PMAQI
21st Oct 2025297 PMAQI
21st Oct 2025258 PMAQI
21st Oct 2025289 PMAQI
21st Oct 20253510 PMAQI
21st Oct 20254511 PMAQI
22nd Oct 20254612 AMAQI
22nd Oct 2025461 AMAQI
22nd Oct 2025562 AMAQI
22nd Oct 2025523 AMAQI
22nd Oct 2025334 AMAQI
22nd Oct 2025335 AMAQI
24°C16/32°C
22nd Oct 2025356 AMAQI
22nd Oct 2025457 AMAQI
22nd Oct 2025548 AMAQI
22nd Oct 2025579 AMAQI
22nd Oct 20256010 AMAQI
22nd Oct 20256611 AMAQI
22nd Oct 20256712 PMAQI
22nd Oct 2025611 PMAQI
22nd Oct 2025532 PMAQI
22nd Oct 2025523 PMAQI
22nd Oct 2025434 PMAQI
22nd Oct 2025465 PMAQI
22nd Oct 2025576 PMAQI
22nd Oct 2025517 PMAQI
22nd Oct 2025568 PMAQI
22nd Oct 2025699 PMAQI
22nd Oct 20258010 PMAQI
22nd Oct 20259411 PMAQI
23rd Oct 20259312 AMAQI
23rd Oct 2025951 AMAQI
23rd Oct 20251022 AMAQI
23rd Oct 2025743 AMAQI
23rd Oct 2025524 AMAQI
23rd Oct 2025495 AMAQI
24°C18/32°C
23rd Oct 2025456 AMAQI
23rd Oct 2025477 AMAQI
23rd Oct 2025508 AMAQI
23rd Oct 2025489 AMAQI
23rd Oct 20254410 AMAQI
23rd Oct 20254411 AMAQI
23rd Oct 20254212 PMAQI
23rd Oct 2025361 PMAQI
23rd Oct 2025312 PMAQI
23rd Oct 2025303 PMAQI
23rd Oct 2025284 PMAQI
23rd Oct 2025265 PMAQI
23rd Oct 2025246 PMAQI
23rd Oct 2025247 PMAQI
23rd Oct 2025228 PMAQI
23rd Oct 2025249 PMAQI
23rd Oct 20253910 PMAQI
23rd Oct 20255011 PMAQI
24th Oct 20255012 AMAQI
24th Oct 2025511 AMAQI
24th Oct 2025542 AMAQI
24th Oct 2025553 AMAQI
24th Oct 2025544 AMAQI
24th Oct 2025525 AMAQI
24°C18/30°C
24th Oct 2025476 AMAQI
24th Oct 2025387 AMAQI
24th Oct 2025368 AMAQI
24th Oct 2025399 AMAQI
24th Oct 20254310 AMAQI
24th Oct 20255311 AMAQI
24th Oct 20255812 PMAQI
24th Oct 2025431 PMAQI
24th Oct 2025282 PMAQI
24th Oct 2025263 PMAQI
24th Oct 2025264 PMAQI
24th Oct 2025205 PMAQI
24th Oct 2025206 PMAQI
24th Oct 2025217 PMAQI
24th Oct 2025228 PMAQI
24th Oct 2025289 PMAQI
24th Oct 20253410 PMAQI
24th Oct 20254411 PMAQI
25th Oct 20255012 AMAQI
25th Oct 2025441 AMAQI
25th Oct 2025392 AMAQI
25th Oct 2025393 AMAQI
25th Oct 2025474 AMAQI
25th Oct 2025545 AMAQI
24°C17/32°C
25th Oct 2025536 AMAQI
25th Oct 2025467 AMAQI
25th Oct 2025368 AMAQI
25th Oct 2025339 AMAQI
25th Oct 20253810 AMAQI
25th Oct 20254711 AMAQI
25th Oct 20255012 PMAQI
25th Oct 2025441 PMAQI
25th Oct 2025442 PMAQI
25th Oct 2025443 PMAQI
25th Oct 2025364 PMAQI
25th Oct 2025335 PMAQI
25th Oct 2025266 PMAQI
25th Oct 2025207 PMAQI
25th Oct 2025238 PMAQI
25th Oct 2025529 PMAQI
25th Oct 20257010 PMAQI
25th Oct 20255311 PMAQI
26th Oct 20255212 AMAQI
26th Oct 2025561 AMAQI
26th Oct 2025582 AMAQI
26th Oct 2025593 AMAQI
26th Oct 2025584 AMAQI
26th Oct 2025545 AMAQI
24°C17/33°C
26th Oct 2025486 AMAQI
6 AM26th Oct 2025387 AMAQI
26th Oct 2025338 AMAQI
26th Oct 2025339 AMAQI
26th Oct 20253610 AMAQI
26th Oct 20254611 AMAQI
26th Oct 20255412 PMAQI
12 PM26th Oct 2025521 PMAQI
26th Oct 2025472 PMAQI
26th Oct 2025383 PMAQI
26th Oct 2025334 PMAQI
6 PM
12 AM
5 AM
--°C/°C
Day time
Avg. Highest Time
12 PM
49AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
5 PM
31AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 12 PM (Avg. 49), while the lowest AQI was between 5 PM to 5 PM (Avg. 31).
Night time
Avg. Highest Time
12 AM - 3 AM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
7 PM
33AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 3 AM (Avg. 44), while the lowest AQI was between 7 PM to 7 PM (Avg. 33).
2025 Days Vs Air Quality
Cottonwood Visitor Center, Chiriaco Summit, California, United States
2025
89%
265
11%
33
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Good
265 DaysModerate
33 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 299 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
Cottonwood Visitor Center, Chiriaco Summit, 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
45AQI
45AQI
2nd January 2025
37AQI
37AQI
3rd January 2025
42AQI
42AQI
4th January 2025
43AQI
43AQI
5th January 2025
37AQI
37AQI
6th January 2025
36AQI
36AQI
7th January 2025
36AQI
36AQI
8th January 2025
47AQI
47AQI
9th January 2025
39AQI
39AQI
10th January 2025
38AQI
38AQI
11th January 2025
37AQI
37AQI
12th January 2025
32AQI
32AQI
13th January 2025
33AQI
33AQI
14th January 2025
31AQI
31AQI
15th January 2025
32AQI
32AQI
16th January 2025
34AQI
34AQI
17th January 2025
32AQI
32AQI
18th January 2025
36AQI
36AQI
19th January 2025
39AQI
39AQI
20th January 2025
40AQI
40AQI
21st January 2025
36AQI
36AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
32AQI
32AQI
24th January 2025
36AQI
36AQI
25th January 2025
45AQI
45AQI
26th January 2025
43AQI
43AQI
27th January 2025
49AQI
49AQI
28th January 2025
42AQI
42AQI
29th January 2025
44AQI
44AQI
30th January 2025
43AQI
43AQI
31st January 2025
45AQI
45AQI
1st February 2025
42AQI
42AQI
2nd February 2025
43AQI
43AQI
3rd February 2025
37AQI
37AQI
4th February 2025
38AQI
38AQI
5th February 2025
34AQI
34AQI
6th February 2025
34AQI
34AQI
7th February 2025
29AQI
29AQI
8th February 2025
31AQI
31AQI
9th February 2025
33AQI
33AQI
10th February 2025
33AQI
33AQI
11th February 2025
32AQI
32AQI
12th February 2025
32AQI
32AQI
13th February 2025
29AQI
29AQI
14th February 2025
31AQI
31AQI
15th February 2025
31AQI
31AQI
16th February 2025
31AQI
31AQI
17th February 2025
33AQI
33AQI
18th February 2025
33AQI
33AQI
19th February 2025
32AQI
32AQI
20th February 2025
34AQI
34AQI
21st February 2025
31AQI
31AQI
22nd February 2025
31AQI
31AQI
23rd February 2025
32AQI
32AQI
24th February 2025
33AQI
33AQI
25th February 2025
34AQI
34AQI
26th February 2025
32AQI
32AQI
27th February 2025
33AQI
33AQI
28th February 2025
33AQI
33AQI
1st March 2025
36AQI
36AQI
2nd March 2025
36AQI
36AQI
3rd March 2025
37AQI
37AQI
4th March 2025
34AQI
34AQI
5th March 2025
36AQI
36AQI
6th March 2025
34AQI
34AQI
7th March 2025
32AQI
32AQI
8th March 2025
32AQI
32AQI
9th March 2025
33AQI
33AQI
10th March 2025
32AQI
32AQI
11th March 2025
33AQI
33AQI
12th March 2025
31AQI
31AQI
13th March 2025
24AQI
24AQI
14th March 2025
22AQI
22AQI
15th March 2025
23AQI
23AQI
16th March 2025
29AQI
29AQI
17th March 2025
27AQI
27AQI
18th March 2025
31AQI
31AQI
19th March 2025
29AQI
29AQI
20th March 2025
30AQI
30AQI
21st March 2025
29AQI
29AQI
22nd March 2025
31AQI
31AQI
23rd March 2025
30AQI
30AQI
24th March 2025
27AQI
27AQI
25th March 2025
26AQI
26AQI
26th March 2025
30AQI
30AQI
27th March 2025
35AQI
35AQI
28th March 2025
34AQI
34AQI
29th March 2025
35AQI
35AQI
30th March 2025
38AQI
38AQI
31st March 2025
34AQI
34AQI
1st April 2025
36AQI
36AQI
2nd April 2025
32AQI
32AQI
3rd April 2025
30AQI
30AQI
4th April 2025
28AQI
28AQI
5th April 2025
26AQI
26AQI
6th April 2025
27AQI
27AQI
7th April 2025
25AQI
25AQI
8th April 2025
29AQI
29AQI
9th April 2025
22AQI
22AQI
10th April 2025
32AQI
32AQI
11th April 2025
28AQI
28AQI
12th April 2025
34AQI
34AQI
13th April 2025
32AQI
32AQI
14th April 2025
35AQI
35AQI
15th April 2025
36AQI
36AQI
16th April 2025
37AQI
37AQI
17th April 2025
36AQI
36AQI
18th April 2025
32AQI
32AQI
19th April 2025
29AQI
29AQI
20th April 2025
27AQI
27AQI
21st April 2025
25AQI
25AQI
22nd April 2025
27AQI
27AQI
23rd April 2025
33AQI
33AQI
24th April 2025
33AQI
33AQI
25th April 2025
36AQI
36AQI
26th April 2025
35AQI
35AQI
27th April 2025
32AQI
32AQI
28th April 2025
29AQI
29AQI
29th April 2025
29AQI
29AQI
30th April 2025
30AQI
30AQI
1st May 2025
30AQI
30AQI
2nd May 2025
32AQI
32AQI
3rd May 2025
37AQI
37AQI
4th May 2025
30AQI
30AQI
5th May 2025
31AQI
31AQI
6th May 2025
28AQI
28AQI
7th May 2025
30AQI
30AQI
8th May 2025
29AQI
29AQI
9th May 2025
30AQI
30AQI
10th May 2025
30AQI
30AQI
11th May 2025
31AQI
31AQI
12th May 2025
34AQI
34AQI
13th May 2025
35AQI
35AQI
14th May 2025
32AQI
32AQI
15th May 2025
33AQI
33AQI
16th May 2025
35AQI
35AQI
17th May 2025
40AQI
40AQI
18th May 2025
38AQI
38AQI
19th May 2025
38AQI
38AQI
20th May 2025
38AQI
38AQI
21st May 2025
40AQI
40AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
46AQI
46AQI
24th May 2025
51AQI
51AQI
25th May 2025
49AQI
49AQI
26th May 2025
51AQI
51AQI
27th May 2025
48AQI
48AQI
28th May 2025
51AQI
51AQI
29th May 2025
49AQI
49AQI
30th May 2025
50AQI
50AQI
31st May 2025
45AQI
45AQI
1st June 2025
43AQI
43AQI
2nd June 2025
38AQI
38AQI
3rd June 2025
36AQI
36AQI
4th June 2025
36AQI
36AQI
5th June 2025
35AQI
35AQI
6th June 2025
36AQI
36AQI
7th June 2025
38AQI
38AQI
8th June 2025
39AQI
39AQI
9th June 2025
39AQI
39AQI
10th June 2025
40AQI
40AQI
11th June 2025
43AQI
43AQI
12th June 2025
43AQI
43AQI
13th June 2025
44AQI
44AQI
14th June 2025
46AQI
46AQI
15th June 2025
44AQI
44AQI
16th June 2025
53AQI
53AQI
17th June 2025
41AQI
41AQI
18th June 2025
48AQI
48AQI
19th June 2025
53AQI
53AQI
20th June 2025
51AQI
51AQI
21st June 2025
51AQI
51AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
51AQI
51AQI
24th June 2025
52AQI
52AQI
25th June 2025
52AQI
52AQI
26th June 2025
51AQI
51AQI
27th June 2025
51AQI
51AQI
28th June 2025
49AQI
49AQI
29th June 2025
45AQI
45AQI
30th June 2025
39AQI
39AQI
1st July 2025
40AQI
40AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
40AQI
40AQI
4th July 2025
43AQI
43AQI
5th July 2025
49AQI
49AQI
6th July 2025
44AQI
44AQI
7th July 2025
38AQI
38AQI
8th July 2025
36AQI
36AQI
9th July 2025
36AQI
36AQI
10th July 2025
40AQI
40AQI
11th July 2025
48AQI
48AQI
12th July 2025
51AQI
51AQI
13th July 2025
53AQI
53AQI
14th July 2025
54AQI
54AQI
15th July 2025
53AQI
53AQI
16th July 2025
49AQI
49AQI
17th July 2025
43AQI
43AQI
18th July 2025
40AQI
40AQI
19th July 2025
39AQI
39AQI
20th July 2025
38AQI
38AQI
21st July 2025
38AQI
38AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
34AQI
34AQI
24th July 2025
33AQI
33AQI
25th July 2025
29AQI
29AQI
26th July 2025
29AQI
29AQI
27th July 2025
32AQI
32AQI
28th July 2025
33AQI
33AQI
29th July 2025
36AQI
36AQI
30th July 2025
35AQI
35AQI
31st July 2025
29AQI
29AQI
1st August 2025
28AQI
28AQI
2nd August 2025
36AQI
36AQI
3rd August 2025
56AQI
56AQI
4th August 2025
54AQI
54AQI
5th August 2025
53AQI
53AQI
6th August 2025
52AQI
52AQI
7th August 2025
52AQI
52AQI
8th August 2025
52AQI
52AQI
9th August 2025
49AQI
49AQI
10th August 2025
52AQI
52AQI
11th August 2025
52AQI
52AQI
12th August 2025
48AQI
48AQI
13th August 2025
51AQI
51AQI
14th August 2025
45AQI
45AQI
15th August 2025
43AQI
43AQI
16th August 2025
37AQI
37AQI
17th August 2025
29AQI
29AQI
18th August 2025
25AQI
25AQI
19th August 2025
31AQI
31AQI
20th August 2025
36AQI
36AQI
21st August 2025
32AQI
32AQI
22nd August 2025
39AQI
39AQI
23rd August 2025
47AQI
47AQI
24th August 2025
46AQI
46AQI
25th August 2025
42AQI
42AQI
26th August 2025
35AQI
35AQI
27th August 2025
29AQI
29AQI
28th August 2025
30AQI
30AQI
29th August 2025
29AQI
29AQI
30th August 2025
39AQI
39AQI
31st August 2025
43AQI
43AQI
1st September 2025
31AQI
31AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
30AQI
30AQI
4th September 2025
37AQI
37AQI
5th September 2025
33AQI
33AQI
6th September 2025
29AQI
29AQI
7th September 2025
24AQI
24AQI
8th September 2025
23AQI
23AQI
9th September 2025
22AQI
22AQI
10th September 2025
23AQI
23AQI
11th September 2025
25AQI
25AQI
12th September 2025
27AQI
27AQI
13th September 2025
30AQI
30AQI
14th September 2025
36AQI
36AQI
15th September 2025
36AQI
36AQI
16th September 2025
35AQI
35AQI
17th September 2025
29AQI
29AQI
18th September 2025
28AQI
28AQI
19th September 2025
25AQI
25AQI
20th September 2025
24AQI
24AQI
21st September 2025
24AQI
24AQI
22nd September 2025
25AQI
25AQI
23rd September 2025
27AQI
27AQI
24th September 2025
27AQI
27AQI
25th September 2025
35AQI
35AQI
26th September 2025
38AQI
38AQI
27th September 2025
19AQI
19AQI
28th September 2025
26AQI
26AQI
29th September 2025
40AQI
40AQI
30th September 2025
36AQI
36AQI
1st October 2025
43AQI
43AQI
2nd October 2025
38AQI
38AQI
3rd October 2025
54AQI
54AQI
4th October 2025
51AQI
51AQI
5th October 2025
40AQI
40AQI
6th October 2025
35AQI
35AQI
7th October 2025
39AQI
39AQI
8th October 2025
51AQI
51AQI
9th October 2025
49AQI
49AQI
10th October 2025
42AQI
42AQI
11th October 2025
30AQI
30AQI
12th October 2025
34AQI
34AQI
13th October 2025
52AQI
52AQI
14th October 2025
55AQI
55AQI
15th October 2025
18AQI
18AQI
16th October 2025
23AQI
23AQI
17th October 2025
24AQI
24AQI
18th October 2025
37AQI
37AQI
19th October 2025
33AQI
33AQI
20th October 2025
49AQI
49AQI
21st October 2025
44AQI
44AQI
22nd October 2025
55AQI
55AQI
23rd October 2025
52AQI
52AQI
24th October 2025
40AQI
40AQI
25th October 2025
42AQI
42AQI
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
39AQI
33AQI
31AQI
31AQI
38AQI
45AQI
40AQI
42AQI
29AQI
41AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
31
28
31
30
28
3
20
10
27
4
22
9
30
18
7
265
33
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
September29AQI
202437AQI
31
29
31
30
29
2
26
3
31
31
30
26
4
1
29
1
31
354
10
1
Highest AQI recorded in
October44AQI
Lowest AQI recorded in
January30AQI
202335AQI
28
24
4
30
1
29
1
31
30
26
2
31
30
31
29
31
350
8
Highest AQI recorded in
June43AQI
Lowest AQI recorded in
December28AQI
202234AQI
30
22
31
23
2
29
2
30
21
1
2
29
31
30
30
308
5
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
December27AQI
202134AQI
29
22
31
28
20
30
30
1
29
2
30
31
30
31
341
3
Highest AQI recorded in
May42AQI
Lowest AQI recorded in
January26AQI
202036AQI
2
24
5
1
2
13
24
65
5
1
Highest AQI recorded in
September46AQI
Lowest AQI recorded in
December26AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2024(Avg.)
37AQILeast Polluted Year Recorded
2022(Avg.)
34AQICottonwood Visitor Center's annual 2025 AQI (37) shows an average percentage change of 4.9% (worsened AQI) compared to previous years: 2020 (36), 2021 (34), 2022 (34), 2023 (35), 2024 (37).
