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+
December Air Quality Analysis
Chiriaco Summit, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Dec 2024
44AQILowest AQI recorded on
30th Dec 2022
9AQISame Day Analysis (6th December ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 6th Dec - 7th Dec 2025
Chiriaco Summit, California, United States
AQI
Day
Night
.
6 AM6th Dec 2025
4 PM
5 AM7th Dec 2025
Day time
Avg. Highest Time
6AM6th Dec
42AQI
Avg. Lowest Time
2PM6th Dec
22AQI
Night time
Avg. Highest Time
12AM7th Dec
65AQI
Avg. Lowest Time
6PM6th Dec
22AQI
In the last 24 hours,
Chiriaco Summit's AQI reached its highest point of 65 at 12 AM during the Night, while the lowest point, 22, was recorded at 6 PM during the Night between 6th Dec and 7th Dec 2025.
Day & Night AQI Trend : Nov - Dec 2025
Chiriaco Summit, California, United States
NovDec
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th
Day
Night
7th Nov 2025446 AMAQI
7th Nov 2025427 AMAQI
7th Nov 2025398 AMAQI
7th Nov 2025409 AMAQI
7th Nov 20254610 AMAQI
7th Nov 20255211 AMAQI
7th Nov 20255212 PMAQI
7th Nov 2025401 PMAQI
7th Nov 2025252 PMAQI
7th Nov 2025213 PMAQI
7th Nov 2025204 PMAQI
7th Nov 2025225 PMAQI
7th Nov 2025256 PMAQI
7th Nov 2025327 PMAQI
7th Nov 2025378 PMAQI
7th Nov 2025419 PMAQI
7th Nov 20255010 PMAQI
7th Nov 20254711 PMAQI
8th Nov 20254712 AMAQI
8th Nov 2025501 AMAQI
8th Nov 2025452 AMAQI
8th Nov 2025423 AMAQI
8th Nov 2025394 AMAQI
8th Nov 2025375 AMAQI
23°C17/30°C
8th Nov 2025336 AMAQI
8th Nov 2025317 AMAQI
8th Nov 2025288 AMAQI
8th Nov 2025279 AMAQI
8th Nov 20253010 AMAQI
8th Nov 20253911 AMAQI
8th Nov 20254212 PMAQI
8th Nov 2025361 PMAQI
8th Nov 2025282 PMAQI
8th Nov 2025233 PMAQI
8th Nov 2025214 PMAQI
8th Nov 2025195 PMAQI
8th Nov 2025216 PMAQI
8th Nov 2025327 PMAQI
8th Nov 2025438 PMAQI
8th Nov 2025499 PMAQI
8th Nov 20255810 PMAQI
8th Nov 20255911 PMAQI
9th Nov 20255812 AMAQI
9th Nov 2025501 AMAQI
9th Nov 2025372 AMAQI
9th Nov 2025283 AMAQI
9th Nov 2025254 AMAQI
9th Nov 2025225 AMAQI
23°C16/31°C
9th Nov 2025206 AMAQI
9th Nov 2025157 AMAQI
9th Nov 2025158 AMAQI
9th Nov 2025189 AMAQI
9th Nov 20252010 AMAQI
9th Nov 20253211 AMAQI
9th Nov 20253912 PMAQI
9th Nov 2025201 PMAQI
9th Nov 2025142 PMAQI
9th Nov 2025113 PMAQI
9th Nov 2025114 PMAQI
9th Nov 2025125 PMAQI
9th Nov 2025136 PMAQI
9th Nov 2025157 PMAQI
9th Nov 2025248 PMAQI
9th Nov 2025439 PMAQI
9th Nov 20255410 PMAQI
9th Nov 20254911 PMAQI
10th Nov 20253912 AMAQI
10th Nov 2025331 AMAQI
10th Nov 2025312 AMAQI
10th Nov 2025233 AMAQI
10th Nov 2025224 AMAQI
10th Nov 2025255 AMAQI
24°C18/31°C
10th Nov 2025206 AMAQI
10th Nov 2025197 AMAQI
10th Nov 2025248 AMAQI
10th Nov 2025309 AMAQI
10th Nov 20254910 AMAQI
10th Nov 20257011 AMAQI
10th Nov 20257112 PMAQI
10th Nov 2025641 PMAQI
10th Nov 2025402 PMAQI
10th Nov 2025233 PMAQI
10th Nov 2025254 PMAQI
10th Nov 2025285 PMAQI
10th Nov 2025356 PMAQI
10th Nov 2025447 PMAQI
10th Nov 2025458 PMAQI
10th Nov 2025459 PMAQI
10th Nov 20255310 PMAQI
10th Nov 20255411 PMAQI
11th Nov 20255512 AMAQI
11th Nov 2025531 AMAQI
11th Nov 2025492 AMAQI
11th Nov 2025473 AMAQI
11th Nov 2025424 AMAQI
11th Nov 2025395 AMAQI
24°C19/31°C
11th Nov 2025366 AMAQI
11th Nov 2025317 AMAQI
11th Nov 2025308 AMAQI
11th Nov 2025339 AMAQI
11th Nov 20254310 AMAQI
11th Nov 20255411 AMAQI
11th Nov 20254912 PMAQI
11th Nov 2025421 PMAQI
11th Nov 2025392 PMAQI
11th Nov 2025423 PMAQI
11th Nov 2025374 PMAQI
11th Nov 2025325 PMAQI
11th Nov 2025346 PMAQI
11th Nov 2025407 PMAQI
11th Nov 2025498 PMAQI
11th Nov 2025539 PMAQI
11th Nov 20255510 PMAQI
11th Nov 20256011 PMAQI
12th Nov 20256112 AMAQI
12th Nov 2025551 AMAQI
12th Nov 2025552 AMAQI
12th Nov 2025533 AMAQI
12th Nov 2025504 AMAQI
12th Nov 2025475 AMAQI
22°C16/30°C
12th Nov 2025426 AMAQI
12th Nov 2025347 AMAQI
12th Nov 2025338 AMAQI
12th Nov 2025449 AMAQI
12th Nov 20255610 AMAQI
12th Nov 20256211 AMAQI
12th Nov 20255612 PMAQI
12th Nov 2025521 PMAQI
12th Nov 2025472 PMAQI
12th Nov 2025423 PMAQI
12th Nov 2025434 PMAQI
12th Nov 2025555 PMAQI
12th Nov 2025566 PMAQI
12th Nov 2025507 PMAQI
12th Nov 2025578 PMAQI
12th Nov 2025609 PMAQI
12th Nov 20255810 PMAQI
12th Nov 20255811 PMAQI
13th Nov 20255312 AMAQI
13th Nov 2025521 AMAQI
13th Nov 2025502 AMAQI
13th Nov 2025503 AMAQI
13th Nov 2025514 AMAQI
13th Nov 2025525 AMAQI
22°C17/30°C
13th Nov 2025506 AMAQI
13th Nov 2025477 AMAQI
13th Nov 2025448 AMAQI
13th Nov 2025429 AMAQI
13th Nov 20254610 AMAQI
13th Nov 20255411 AMAQI
13th Nov 20254812 PMAQI
13th Nov 2025431 PMAQI
13th Nov 2025452 PMAQI
13th Nov 2025503 PMAQI
13th Nov 2025444 PMAQI
13th Nov 2025395 PMAQI
13th Nov 2025396 PMAQI
13th Nov 2025437 PMAQI
13th Nov 2025548 PMAQI
13th Nov 2025589 PMAQI
13th Nov 20255210 PMAQI
13th Nov 20255011 PMAQI
14th Nov 20255012 AMAQI
14th Nov 2025631 AMAQI
14th Nov 2025872 AMAQI
14th Nov 2025743 AMAQI
14th Nov 2025424 AMAQI
14th Nov 2025315 AMAQI
23°C18/30°C
14th Nov 2025286 AMAQI
14th Nov 2025287 AMAQI
14th Nov 2025288 AMAQI
14th Nov 2025289 AMAQI
14th Nov 20252810 AMAQI
14th Nov 20253011 AMAQI
14th Nov 20253312 PMAQI
14th Nov 2025381 PMAQI
14th Nov 2025502 PMAQI
14th Nov 2025503 PMAQI
14th Nov 2025424 PMAQI
14th Nov 2025365 PMAQI
14th Nov 2025366 PMAQI
14th Nov 2025347 PMAQI
14th Nov 2025308 PMAQI
14th Nov 2025339 PMAQI
14th Nov 20252910 PMAQI
14th Nov 20252011 PMAQI
15th Nov 20251412 AMAQI
15th Nov 2025111 AMAQI
15th Nov 2025112 AMAQI
15th Nov 2025143 AMAQI
15th Nov 2025204 AMAQI
15th Nov 2025265 AMAQI
23°C19/28°C
15th Nov 2025146 AMAQI
15th Nov 2025177 AMAQI
15th Nov 2025178 AMAQI
15th Nov 2025179 AMAQI
15th Nov 20251710 AMAQI
15th Nov 20251711 AMAQI
15th Nov 20251712 PMAQI
15th Nov 2025171 PMAQI
15th Nov 2025172 PMAQI
15th Nov 2025143 PMAQI
15th Nov 2025114 PMAQI
15th Nov 2025195 PMAQI
15th Nov 2025306 PMAQI
15th Nov 2025287 PMAQI
15th Nov 2025208 PMAQI
15th Nov 2025179 PMAQI
15th Nov 20251910 PMAQI
15th Nov 20252511 PMAQI
16th Nov 20252612 AMAQI
16th Nov 2025201 AMAQI
16th Nov 2025172 AMAQI
16th Nov 2025243 AMAQI
16th Nov 2025264 AMAQI
16th Nov 2025195 AMAQI
19°C16/22°C
16th Nov 2025226 AMAQI
16th Nov 2025177 AMAQI
16th Nov 2025128 AMAQI
16th Nov 2025149 AMAQI
16th Nov 20251110 AMAQI
16th Nov 20251611 AMAQI
16th Nov 20251612 PMAQI
16th Nov 2025161 PMAQI
16th Nov 2025162 PMAQI
16th Nov 2025183 PMAQI
16th Nov 2025264 PMAQI
16th Nov 2025225 PMAQI
16th Nov 2025176 PMAQI
16th Nov 2025177 PMAQI
16th Nov 2025148 PMAQI
16th Nov 2025149 PMAQI
16th Nov 20251310 PMAQI
16th Nov 20251211 PMAQI
17th Nov 20251212 AMAQI
17th Nov 2025141 AMAQI
17th Nov 2025132 AMAQI
17th Nov 2025163 AMAQI
17th Nov 2025174 AMAQI
17th Nov 2025195 AMAQI
15°C13/19°C
17th Nov 2025206 AMAQI
17th Nov 2025267 AMAQI
17th Nov 2025178 AMAQI
17th Nov 2025199 AMAQI
17th Nov 20252210 AMAQI
17th Nov 20252011 AMAQI
17th Nov 20251412 PMAQI
17th Nov 2025151 PMAQI
17th Nov 2025292 PMAQI
17th Nov 2025323 PMAQI
17th Nov 2025214 PMAQI
17th Nov 2025205 PMAQI
17th Nov 2025166 PMAQI
17th Nov 2025147 PMAQI
17th Nov 2025228 PMAQI
17th Nov 2025309 PMAQI
17th Nov 20252810 PMAQI
17th Nov 20252211 PMAQI
18th Nov 20252612 AMAQI
18th Nov 2025331 AMAQI
18th Nov 2025282 AMAQI
18th Nov 2025253 AMAQI
18th Nov 2025284 AMAQI
18th Nov 2025285 AMAQI
16°C11/21°C
18th Nov 2025236 AMAQI
18th Nov 2025177 AMAQI
18th Nov 2025148 AMAQI
18th Nov 2025119 AMAQI
18th Nov 20251110 AMAQI
18th Nov 20251411 AMAQI
18th Nov 20252212 PMAQI
18th Nov 2025301 PMAQI
18th Nov 2025252 PMAQI
18th Nov 2025143 PMAQI
18th Nov 2025114 PMAQI
18th Nov 2025115 PMAQI
18th Nov 2025116 PMAQI
18th Nov 2025147 PMAQI
18th Nov 2025178 PMAQI
18th Nov 2025199 PMAQI
18th Nov 20252210 PMAQI
18th Nov 20252011 PMAQI
19th Nov 20251712 AMAQI
19th Nov 2025171 AMAQI
19th Nov 2025152 AMAQI
19th Nov 2025113 AMAQI
19th Nov 2025134 AMAQI
19th Nov 2025175 AMAQI
15°C12/19°C
19th Nov 2025196 AMAQI
19th Nov 2025227 AMAQI
19th Nov 2025258 AMAQI
19th Nov 2025309 AMAQI
19th Nov 20253310 AMAQI
19th Nov 20253611 AMAQI
19th Nov 20253912 PMAQI
19th Nov 2025341 PMAQI
19th Nov 2025222 PMAQI
19th Nov 2025173 PMAQI
19th Nov 2025174 PMAQI
19th Nov 2025145 PMAQI
19th Nov 2025116 PMAQI
19th Nov 2025147 PMAQI
19th Nov 2025208 PMAQI
19th Nov 2025229 PMAQI
19th Nov 20252210 PMAQI
19th Nov 20252511 PMAQI
20th Nov 20252812 AMAQI
20th Nov 2025371 AMAQI
20th Nov 2025562 AMAQI
20th Nov 2025563 AMAQI
20th Nov 2025584 AMAQI
20th Nov 2025595 AMAQI
14°C11/19°C
20th Nov 2025576 AMAQI
20th Nov 2025527 AMAQI
20th Nov 2025478 AMAQI
20th Nov 2025429 AMAQI
20th Nov 20253910 AMAQI
20th Nov 20253611 AMAQI
20th Nov 20253112 PMAQI
20th Nov 2025281 PMAQI
20th Nov 2025252 PMAQI
20th Nov 2025223 PMAQI
20th Nov 2025204 PMAQI
20th Nov 2025175 PMAQI
20th Nov 2025176 PMAQI
20th Nov 2025177 PMAQI
20th Nov 2025198 PMAQI
20th Nov 2025269 PMAQI
20th Nov 20253310 PMAQI
20th Nov 20252911 PMAQI
21st Nov 20252212 AMAQI
21st Nov 2025261 AMAQI
21st Nov 2025332 AMAQI
21st Nov 2025333 AMAQI
21st Nov 2025354 AMAQI
21st Nov 2025355 AMAQI
14°C9/20°C
21st Nov 2025236 AMAQI
21st Nov 2025247 AMAQI
21st Nov 2025298 AMAQI
21st Nov 2025209 AMAQI
21st Nov 20251910 AMAQI
21st Nov 20252211 AMAQI
21st Nov 20252012 PMAQI
21st Nov 2025141 PMAQI
21st Nov 2025142 PMAQI
21st Nov 2025173 PMAQI
21st Nov 2025174 PMAQI
21st Nov 2025145 PMAQI
21st Nov 2025116 PMAQI
21st Nov 2025147 PMAQI
21st Nov 2025178 PMAQI
21st Nov 2025199 PMAQI
21st Nov 20252510 PMAQI
21st Nov 20252311 PMAQI
22nd Nov 20251912 AMAQI
22nd Nov 2025221 AMAQI
22nd Nov 2025222 AMAQI
22nd Nov 2025223 AMAQI
22nd Nov 2025224 AMAQI
22nd Nov 2025225 AMAQI
13°C11/14°C
22nd Nov 2025206 AMAQI
22nd Nov 2025147 AMAQI
22nd Nov 2025118 AMAQI
22nd Nov 2025149 AMAQI
22nd Nov 20251410 AMAQI
22nd Nov 20251111 AMAQI
22nd Nov 20251112 PMAQI
22nd Nov 2025111 PMAQI
22nd Nov 2025162 PMAQI
22nd Nov 2025163 PMAQI
22nd Nov 2025114 PMAQI
22nd Nov 2025145 PMAQI
22nd Nov 2025166 PMAQI
22nd Nov 2025177 PMAQI
22nd Nov 2025188 PMAQI
22nd Nov 2025239 PMAQI
22nd Nov 20253010 PMAQI
22nd Nov 20252611 PMAQI
23rd Nov 20251912 AMAQI
23rd Nov 2025331 AMAQI
23rd Nov 2025532 AMAQI
23rd Nov 2025493 AMAQI
23rd Nov 2025424 AMAQI
23rd Nov 2025395 AMAQI
14°C11/18°C
23rd Nov 2025416 AMAQI
23rd Nov 2025427 AMAQI
23rd Nov 2025448 AMAQI
23rd Nov 2025479 AMAQI
23rd Nov 20254210 AMAQI
23rd Nov 20253411 AMAQI
23rd Nov 20253612 PMAQI
23rd Nov 2025441 PMAQI
23rd Nov 2025442 PMAQI
23rd Nov 2025413 PMAQI
23rd Nov 2025364 PMAQI
23rd Nov 2025415 PMAQI
23rd Nov 2025426 PMAQI
23rd Nov 2025337 PMAQI
23rd Nov 2025388 PMAQI
23rd Nov 2025449 PMAQI
23rd Nov 20254710 PMAQI
23rd Nov 20255111 PMAQI
24th Nov 20255712 AMAQI
24th Nov 2025631 AMAQI
24th Nov 2025582 AMAQI
24th Nov 2025503 AMAQI
24th Nov 2025524 AMAQI
24th Nov 2025555 AMAQI
15°C12/20°C
24th Nov 2025546 AMAQI
24th Nov 2025537 AMAQI
24th Nov 2025548 AMAQI
24th Nov 2025559 AMAQI
24th Nov 20255010 AMAQI
24th Nov 20255011 AMAQI
24th Nov 20255412 PMAQI
24th Nov 2025481 PMAQI
24th Nov 2025492 PMAQI
24th Nov 2025463 PMAQI
24th Nov 2025364 PMAQI
24th Nov 2025335 PMAQI
24th Nov 2025386 PMAQI
24th Nov 2025447 PMAQI
24th Nov 2025508 PMAQI
24th Nov 2025569 PMAQI
24th Nov 20255710 PMAQI
24th Nov 20256111 PMAQI
25th Nov 20256412 AMAQI
25th Nov 2025691 AMAQI
25th Nov 2025662 AMAQI
25th Nov 2025613 AMAQI
25th Nov 2025584 AMAQI
25th Nov 2025555 AMAQI
15°C11/20°C
25th Nov 2025556 AMAQI
25th Nov 2025507 AMAQI
25th Nov 2025428 AMAQI
25th Nov 2025399 AMAQI
25th Nov 20253610 AMAQI
25th Nov 20253611 AMAQI
25th Nov 20253912 PMAQI
25th Nov 2025421 PMAQI
25th Nov 2025442 PMAQI
25th Nov 2025423 PMAQI
25th Nov 2025394 PMAQI
25th Nov 2025395 PMAQI
25th Nov 2025366 PMAQI
25th Nov 2025387 PMAQI
25th Nov 2025468 PMAQI
25th Nov 2025529 PMAQI
25th Nov 20255610 PMAQI
25th Nov 20255911 PMAQI
26th Nov 20255912 AMAQI
26th Nov 2025541 AMAQI
26th Nov 2025462 AMAQI
26th Nov 2025373 AMAQI
26th Nov 2025314 AMAQI
26th Nov 2025255 AMAQI
15°C10/23°C
26th Nov 2025276 AMAQI
26th Nov 2025287 AMAQI
26th Nov 2025218 AMAQI
26th Nov 2025209 AMAQI
26th Nov 20252210 AMAQI
26th Nov 20253211 AMAQI
26th Nov 20253912 PMAQI
26th Nov 2025251 PMAQI
26th Nov 2025212 PMAQI
26th Nov 2025183 PMAQI
26th Nov 2025114 PMAQI
26th Nov 2025145 PMAQI
26th Nov 2025156 PMAQI
26th Nov 2025187 PMAQI
26th Nov 2025288 PMAQI
26th Nov 2025369 PMAQI
26th Nov 20254110 PMAQI
26th Nov 20254611 PMAQI
27th Nov 20254812 AMAQI
27th Nov 2025411 AMAQI
27th Nov 2025352 AMAQI
27th Nov 2025353 AMAQI
27th Nov 2025264 AMAQI
27th Nov 2025225 AMAQI
16°C11/25°C
27th Nov 2025226 AMAQI
27th Nov 2025227 AMAQI
27th Nov 2025228 AMAQI
27th Nov 2025329 AMAQI
27th Nov 20253910 AMAQI
27th Nov 20253511 AMAQI
27th Nov 20253912 PMAQI
27th Nov 2025361 PMAQI
27th Nov 2025282 PMAQI
27th Nov 2025223 PMAQI
27th Nov 2025204 PMAQI
27th Nov 2025175 PMAQI
27th Nov 2025196 PMAQI
27th Nov 2025257 PMAQI
27th Nov 2025358 PMAQI
27th Nov 2025509 PMAQI
27th Nov 20256310 PMAQI
27th Nov 20256411 PMAQI
28th Nov 20256712 AMAQI
28th Nov 2025681 AMAQI
28th Nov 2025632 AMAQI
28th Nov 2025513 AMAQI
28th Nov 2025484 AMAQI
28th Nov 2025495 AMAQI
16°C11/24°C
28th Nov 2025426 AMAQI
28th Nov 2025377 AMAQI
28th Nov 2025288 AMAQI
28th Nov 2025229 AMAQI
28th Nov 20252410 AMAQI
28th Nov 20253011 AMAQI
28th Nov 20253112 PMAQI
28th Nov 2025251 PMAQI
28th Nov 2025252 PMAQI
28th Nov 2025323 PMAQI
28th Nov 2025364 PMAQI
28th Nov 2025295 PMAQI
28th Nov 2025226 PMAQI
28th Nov 2025307 PMAQI
28th Nov 2025448 PMAQI
28th Nov 2025539 PMAQI
28th Nov 20255610 PMAQI
28th Nov 20255811 PMAQI
29th Nov 20256012 AMAQI
29th Nov 2025541 AMAQI
29th Nov 2025472 AMAQI
29th Nov 2025513 AMAQI
29th Nov 2025524 AMAQI
29th Nov 2025475 AMAQI
15°C11/22°C
29th Nov 2025416 AMAQI
29th Nov 2025447 AMAQI
29th Nov 2025428 AMAQI
29th Nov 2025349 AMAQI
29th Nov 20253210 AMAQI
29th Nov 20253611 AMAQI
29th Nov 20253812 PMAQI
29th Nov 2025441 PMAQI
29th Nov 2025502 PMAQI
29th Nov 2025563 PMAQI
29th Nov 2025544 PMAQI
29th Nov 2025535 PMAQI
29th Nov 2025546 PMAQI
29th Nov 2025507 PMAQI
29th Nov 2025488 PMAQI
29th Nov 2025579 PMAQI
29th Nov 20256110 PMAQI
29th Nov 20256011 PMAQI
30th Nov 20256112 AMAQI
30th Nov 2025611 AMAQI
30th Nov 2025592 AMAQI
30th Nov 2025563 AMAQI
30th Nov 2025554 AMAQI
30th Nov 2025525 AMAQI
15°C10/22°C
30th Nov 2025506 AMAQI
30th Nov 2025477 AMAQI
30th Nov 2025448 AMAQI
30th Nov 2025449 AMAQI
30th Nov 20254410 AMAQI
30th Nov 20254911 AMAQI
30th Nov 20255212 PMAQI
30th Nov 2025521 PMAQI
30th Nov 2025502 PMAQI
30th Nov 2025443 PMAQI
30th Nov 2025444 PMAQI
30th Nov 2025425 PMAQI
30th Nov 2025366 PMAQI
30th Nov 2025367 PMAQI
30th Nov 2025478 PMAQI
30th Nov 2025539 PMAQI
30th Nov 20255210 PMAQI
30th Nov 20255711 PMAQI
1st Dec 20255912 AMAQI
1st Dec 2025571 AMAQI
1st Dec 2025572 AMAQI
1st Dec 2025633 AMAQI
1st Dec 2025714 AMAQI
1st Dec 2025755 AMAQI
15°C10/21°C
1st Dec 2025716 AMAQI
1st Dec 2025647 AMAQI
1st Dec 2025568 AMAQI
1st Dec 2025409 AMAQI
1st Dec 20252510 AMAQI
1st Dec 20252011 AMAQI
1st Dec 20251812 PMAQI
1st Dec 2025151 PMAQI
1st Dec 2025122 PMAQI
1st Dec 2025123 PMAQI
1st Dec 2025124 PMAQI
1st Dec 2025115 PMAQI
1st Dec 2025116 PMAQI
1st Dec 2025177 PMAQI
1st Dec 2025228 PMAQI
1st Dec 2025229 PMAQI
1st Dec 20252010 PMAQI
1st Dec 20251911 PMAQI
2nd Dec 20253112 AMAQI
2nd Dec 2025381 AMAQI
2nd Dec 2025252 AMAQI
2nd Dec 2025223 AMAQI
2nd Dec 2025204 AMAQI
2nd Dec 2025145 AMAQI
13°C6/21°C
2nd Dec 2025136 AMAQI
2nd Dec 2025177 AMAQI
2nd Dec 2025198 AMAQI
2nd Dec 2025229 AMAQI
2nd Dec 20252810 AMAQI
2nd Dec 20253511 AMAQI
2nd Dec 20252812 PMAQI
2nd Dec 2025261 PMAQI
2nd Dec 2025202 PMAQI
2nd Dec 2025173 PMAQI
2nd Dec 2025174 PMAQI
2nd Dec 2025175 PMAQI
2nd Dec 2025166 PMAQI
2nd Dec 2025227 PMAQI
2nd Dec 2025288 PMAQI
2nd Dec 2025309 PMAQI
2nd Dec 20253110 PMAQI
2nd Dec 20253011 PMAQI
3rd Dec 20253512 AMAQI
3rd Dec 2025381 AMAQI
3rd Dec 2025332 AMAQI
3rd Dec 2025313 AMAQI
3rd Dec 2025394 AMAQI
3rd Dec 2025565 AMAQI
12°C7/19°C
3rd Dec 2025586 AMAQI
3rd Dec 2025647 AMAQI
3rd Dec 2025808 AMAQI
3rd Dec 2025739 AMAQI
3rd Dec 20255810 AMAQI
3rd Dec 20255511 AMAQI
3rd Dec 20255212 PMAQI
3rd Dec 2025501 PMAQI
3rd Dec 2025482 PMAQI
3rd Dec 2025623 PMAQI
3rd Dec 2025564 PMAQI
3rd Dec 2025285 PMAQI
3rd Dec 2025186 PMAQI
3rd Dec 2025247 PMAQI
3rd Dec 2025308 PMAQI
3rd Dec 2025329 PMAQI
3rd Dec 20253410 PMAQI
3rd Dec 20252711 PMAQI
4th Dec 20252312 AMAQI
4th Dec 2025221 AMAQI
4th Dec 2025222 AMAQI
4th Dec 2025203 AMAQI
4th Dec 2025174 AMAQI
4th Dec 2025145 AMAQI
12°C7/19°C
4th Dec 2025116 AMAQI
4th Dec 2025147 AMAQI
4th Dec 2025178 AMAQI
4th Dec 2025179 AMAQI
4th Dec 20251710 AMAQI
4th Dec 20251711 AMAQI
4th Dec 20251412 PMAQI
4th Dec 2025131 PMAQI
4th Dec 2025122 PMAQI
4th Dec 2025243 PMAQI
4th Dec 2025284 PMAQI
4th Dec 2025115 PMAQI
4th Dec 2025166 PMAQI
4th Dec 2025217 PMAQI
4th Dec 2025318 PMAQI
4th Dec 2025339 PMAQI
4th Dec 20253810 PMAQI
4th Dec 20254211 PMAQI
5th Dec 20253412 AMAQI
5th Dec 2025281 AMAQI
5th Dec 2025252 AMAQI
5th Dec 2025203 AMAQI
5th Dec 2025174 AMAQI
5th Dec 2025165 AMAQI
12°C8/19°C
5th Dec 2025126 AMAQI
5th Dec 2025147 AMAQI
5th Dec 2025178 AMAQI
5th Dec 2025199 AMAQI
5th Dec 20252610 AMAQI
5th Dec 20253311 AMAQI
5th Dec 20252912 PMAQI
5th Dec 2025171 PMAQI
5th Dec 2025122 PMAQI
5th Dec 2025143 PMAQI
5th Dec 2025174 PMAQI
5th Dec 2025145 PMAQI
5th Dec 2025136 PMAQI
5th Dec 2025187 PMAQI
5th Dec 2025238 PMAQI
5th Dec 2025299 PMAQI
5th Dec 20254410 PMAQI
5th Dec 20255311 PMAQI
6th Dec 20254712 AMAQI
6th Dec 2025421 AMAQI
6th Dec 2025472 AMAQI
6th Dec 2025443 AMAQI
6th Dec 2025364 AMAQI
6th Dec 2025365 AMAQI
12°C6/21°C
6th Dec 2025426 AMAQI
6th Dec 2025407 AMAQI
6th Dec 2025308 AMAQI
6th Dec 2025289 AMAQI
6th Dec 20252810 AMAQI
6th Dec 20253011 AMAQI
6th Dec 20253112 PMAQI
6th Dec 2025251 PMAQI
6th Dec 2025222 PMAQI
6th Dec 2025303 PMAQI
6th Dec 2025344 PMAQI
6th Dec 2025255 PMAQI
6th Dec 2025226 PMAQI
6th Dec 2025297 PMAQI
6th Dec 2025398 PMAQI
6th Dec 2025409 PMAQI
6th Dec 20253810 PMAQI
6th Dec 20255511 PMAQI
7th Dec 20256512 AMAQI
7th Dec 2025571 AMAQI
7th Dec 2025562 AMAQI
7th Dec 2025533 AMAQI
7th Dec 2025524 AMAQI
7th Dec 2025525 AMAQI
13°C8/20°C
7th Dec 2025506 AMAQI
6 AM7th Dec 2025467 AMAQI
7th Dec 2025398 AMAQI
7th Dec 2025369 AMAQI
7th Dec 20253610 AMAQI
7th Dec 20253611 AMAQI
11 AM7th Dec 20253312 PMAQI
4 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 12 PM
35AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
4 PM
27AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 35), while the lowest AQI was between 4 PM to 4 PM (Avg. 27).
Night time
Avg. Highest Time
12 AM - 2 AM
42AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM - 6 PM
25AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 2 AM (Avg. 42), while the lowest AQI was between 5 PM to 6 PM (Avg. 25).
2025 Days Vs Air Quality
Chiriaco Summit, California, United States
2025
91%
309
9%
31
Total number of days with different AQI categories in last 341 days in 2025 (24 days remaining)
Good
309 DaysModerate
31 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 341 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
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
36AQI
36AQI
27th March 2025
37AQI
37AQI
28th March 2025
34AQI
34AQI
29th March 2025
35AQI
35AQI
30th March 2025
38AQI
38AQI
31st March 2025
33AQI
33AQI
1st April 2025
35AQI
35AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
26AQI
26AQI
4th April 2025
27AQI
27AQI
5th April 2025
24AQI
24AQI
6th April 2025
27AQI
27AQI
7th April 2025
25AQI
25AQI
8th April 2025
29AQI
29AQI
9th April 2025
25AQI
25AQI
10th April 2025
33AQI
33AQI
11th April 2025
31AQI
31AQI
12th April 2025
34AQI
34AQI
13th April 2025
32AQI
32AQI
14th April 2025
35AQI
35AQI
15th April 2025
37AQI
37AQI
16th April 2025
39AQI
39AQI
17th April 2025
36AQI
36AQI
18th April 2025
30AQI
30AQI
19th April 2025
28AQI
28AQI
20th April 2025
26AQI
26AQI
21st April 2025
26AQI
26AQI
22nd April 2025
27AQI
27AQI
23rd April 2025
34AQI
34AQI
24th April 2025
34AQI
34AQI
25th April 2025
36AQI
36AQI
26th April 2025
35AQI
35AQI
27th April 2025
30AQI
30AQI
28th April 2025
28AQI
28AQI
29th April 2025
28AQI
28AQI
30th April 2025
30AQI
30AQI
1st May 2025
30AQI
30AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
38AQI
38AQI
4th May 2025
29AQI
29AQI
5th May 2025
30AQI
30AQI
6th May 2025
28AQI
28AQI
7th May 2025
29AQI
29AQI
8th May 2025
29AQI
29AQI
9th May 2025
29AQI
29AQI
10th May 2025
30AQI
30AQI
11th May 2025
31AQI
31AQI
12th May 2025
34AQI
34AQI
13th May 2025
35AQI
35AQI
14th May 2025
30AQI
30AQI
15th May 2025
31AQI
31AQI
16th May 2025
35AQI
35AQI
17th May 2025
41AQI
41AQI
18th May 2025
38AQI
38AQI
19th May 2025
37AQI
37AQI
20th May 2025
38AQI
38AQI
21st May 2025
41AQI
41AQI
22nd May 2025
47AQI
47AQI
23rd May 2025
47AQI
47AQI
24th May 2025
49AQI
49AQI
25th May 2025
47AQI
47AQI
26th May 2025
50AQI
50AQI
27th May 2025
47AQI
47AQI
28th May 2025
50AQI
50AQI
29th May 2025
48AQI
48AQI
30th May 2025
48AQI
48AQI
31st May 2025
43AQI
43AQI
1st June 2025
41AQI
41AQI
2nd June 2025
36AQI
36AQI
3rd June 2025
35AQI
35AQI
4th June 2025
35AQI
35AQI
5th June 2025
35AQI
35AQI
6th June 2025
36AQI
36AQI
7th June 2025
38AQI
38AQI
8th June 2025
39AQI
39AQI
9th June 2025
40AQI
40AQI
10th June 2025
40AQI
40AQI
11th June 2025
43AQI
43AQI
12th June 2025
42AQI
42AQI
13th June 2025
44AQI
44AQI
14th June 2025
45AQI
45AQI
15th June 2025
42AQI
42AQI
16th June 2025
47AQI
47AQI
17th June 2025
40AQI
40AQI
18th June 2025
48AQI
48AQI
19th June 2025
53AQI
53AQI
20th June 2025
50AQI
50AQI
21st June 2025
51AQI
51AQI
22nd June 2025
51AQI
51AQI
23rd June 2025
50AQI
50AQI
24th June 2025
52AQI
52AQI
25th June 2025
51AQI
51AQI
26th June 2025
50AQI
50AQI
27th June 2025
50AQI
50AQI
28th June 2025
48AQI
48AQI
29th June 2025
43AQI
43AQI
30th June 2025
38AQI
38AQI
1st July 2025
38AQI
38AQI
2nd July 2025
38AQI
38AQI
3rd July 2025
40AQI
40AQI
4th July 2025
44AQI
44AQI
5th July 2025
49AQI
49AQI
6th July 2025
42AQI
42AQI
7th July 2025
37AQI
37AQI
8th July 2025
36AQI
36AQI
9th July 2025
35AQI
35AQI
10th July 2025
40AQI
40AQI
11th July 2025
49AQI
49AQI
12th July 2025
51AQI
51AQI
13th July 2025
52AQI
52AQI
14th July 2025
54AQI
54AQI
15th July 2025
53AQI
53AQI
16th July 2025
48AQI
48AQI
17th July 2025
42AQI
42AQI
18th July 2025
40AQI
40AQI
19th July 2025
38AQI
38AQI
20th July 2025
37AQI
37AQI
21st July 2025
38AQI
38AQI
22nd July 2025
37AQI
37AQI
23rd July 2025
33AQI
33AQI
24th July 2025
31AQI
31AQI
25th July 2025
27AQI
27AQI
26th July 2025
28AQI
28AQI
27th July 2025
30AQI
30AQI
28th July 2025
32AQI
32AQI
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
51AQI
51AQI
9th August 2025
48AQI
48AQI
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
30AQI
30AQI
2nd September 2025
35AQI
35AQI
3rd September 2025
30AQI
30AQI
4th September 2025
35AQI
35AQI
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
30AQI
30AQI
18th September 2025
28AQI
28AQI
19th September 2025
25AQI
25AQI
20th September 2025
24AQI
24AQI
21st September 2025
25AQI
25AQI
22nd September 2025
25AQI
25AQI
23rd September 2025
28AQI
28AQI
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
39AQI
39AQI
6th October 2025
34AQI
34AQI
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
51AQI
51AQI
24th October 2025
40AQI
40AQI
25th October 2025
42AQI
42AQI
26th October 2025
45AQI
45AQI
27th October 2025
47AQI
47AQI
28th October 2025
34AQI
34AQI
29th October 2025
31AQI
31AQI
30th October 2025
34AQI
34AQI
31st October 2025
43AQI
43AQI
1st November 2025
45AQI
45AQI
2nd November 2025
40AQI
40AQI
3rd November 2025
42AQI
42AQI
4th November 2025
52AQI
52AQI
5th November 2025
43AQI
43AQI
6th November 2025
42AQI
42AQI
7th November 2025
42AQI
42AQI
8th November 2025
39AQI
39AQI
9th November 2025
30AQI
30AQI
10th November 2025
38AQI
38AQI
11th November 2025
45AQI
45AQI
12th November 2025
53AQI
53AQI
13th November 2025
49AQI
49AQI
14th November 2025
44AQI
44AQI
15th November 2025
18AQI
18AQI
16th November 2025
18AQI
18AQI
17th November 2025
19AQI
19AQI
18th November 2025
21AQI
21AQI
19th November 2025
20AQI
20AQI
20th November 2025
36AQI
36AQI
21st November 2025
22AQI
22AQI
22nd November 2025
19AQI
19AQI
23rd November 2025
41AQI
41AQI
24th November 2025
52AQI
52AQI
25th November 2025
51AQI
51AQI
26th November 2025
33AQI
33AQI
27th November 2025
35AQI
35AQI
28th November 2025
44AQI
44AQI
29th November 2025
51AQI
51AQI
30th November 2025
51AQI
51AQI
1st December 2025
40AQI
40AQI
2nd December 2025
24AQI
24AQI
3rd December 2025
42AQI
42AQI
4th December 2025
23AQI
23AQI
5th December 2025
26AQI
26AQI
6th December 2025
37AQI
37AQI
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
32AQI
31AQI
38AQI
44AQI
39AQI
42AQI
29AQI
41AQI
38AQI
32AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
31
28
31
30
31
25
5
27
4
22
9
30
24
7
24
6
6
309
31
Highest AQI recorded in
June44AQI
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.)
34AQIChiriaco Summit's annual 2025 AQI (37) shows an average percentage change of 4.5% (worsened AQI) compared to previous years: 2020 (36), 2021 (34), 2022 (34), 2023 (35), 2024 (37).
