Chico, 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
Chico, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
29th Aug 2023
99AQILowest AQI recorded on
17th Aug 2025
19AQISame Day Analysis (7th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 43 of Good air quality, showing improvement over 2024 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Chico, California, United States
AQI
Day
Night
.
6 AM7th Aug 2026
8 PM
5 AM8th Aug 2026
Day time
Avg. Highest Time
8PM7th Aug
53AQI
Avg. Lowest Time
6AM7th Aug
29AQI
Night time
Avg. Highest Time
9PM7th Aug
51AQI
Avg. Lowest Time
10PM7th Aug
38AQI
In the last 24 hours,
Chico's AQI reached its highest point of 53 at 8 PM during the Day, while the lowest point, 29, was recorded at 6 AM during the Day between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chico, 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
Day
Night
10th Jul 2026176 AMAQI
10th Jul 2026187 AMAQI
10th Jul 2026208 AMAQI
10th Jul 2026239 AMAQI
10th Jul 20262410 AMAQI
10th Jul 20262611 AMAQI
10th Jul 20263012 PMAQI
10th Jul 2026281 PMAQI
10th Jul 2026322 PMAQI
10th Jul 2026303 PMAQI
10th Jul 2026314 PMAQI
10th Jul 2026305 PMAQI
10th Jul 2026286 PMAQI
10th Jul 2026287 PMAQI
10th Jul 2026248 PMAQI
10th Jul 2026219 PMAQI
10th Jul 20262010 PMAQI
10th Jul 20262011 PMAQI
11th Jul 20262212 AMAQI
11th Jul 2026221 AMAQI
11th Jul 2026222 AMAQI
11th Jul 2026213 AMAQI
11th Jul 2026204 AMAQI
11th Jul 2026165 AMAQI
30°C22/39°C
11th Jul 2026146 AMAQI
11th Jul 2026157 AMAQI
11th Jul 2026128 AMAQI
11th Jul 2026149 AMAQI
11th Jul 20261410 AMAQI
11th Jul 20261411 AMAQI
11th Jul 20261612 PMAQI
11th Jul 2026181 PMAQI
11th Jul 2026182 PMAQI
11th Jul 2026183 PMAQI
11th Jul 2026184 PMAQI
11th Jul 2026185 PMAQI
11th Jul 2026146 PMAQI
11th Jul 2026147 PMAQI
11th Jul 2026168 PMAQI
11th Jul 2026169 PMAQI
11th Jul 20261810 PMAQI
11th Jul 20262311 PMAQI
12th Jul 20262212 AMAQI
12th Jul 2026201 AMAQI
12th Jul 2026152 AMAQI
12th Jul 2026123 AMAQI
12th Jul 2026124 AMAQI
12th Jul 2026105 AMAQI
29°C19/39°C
12th Jul 2026106 AMAQI
12th Jul 2026107 AMAQI
12th Jul 2026108 AMAQI
12th Jul 2026109 AMAQI
12th Jul 20261210 AMAQI
12th Jul 20261411 AMAQI
12th Jul 20261412 PMAQI
12th Jul 2026131 PMAQI
12th Jul 2026152 PMAQI
12th Jul 2026143 PMAQI
12th Jul 2026134 PMAQI
12th Jul 2026135 PMAQI
12th Jul 2026106 PMAQI
12th Jul 202697 PMAQI
12th Jul 2026158 PMAQI
12th Jul 2026169 PMAQI
12th Jul 20261810 PMAQI
12th Jul 20261211 PMAQI
13th Jul 20261412 AMAQI
13th Jul 2026141 AMAQI
13th Jul 2026182 AMAQI
13th Jul 2026153 AMAQI
13th Jul 2026134 AMAQI
13th Jul 2026145 AMAQI
30°C21/39°C
13th Jul 2026126 AMAQI
13th Jul 2026127 AMAQI
13th Jul 2026128 AMAQI
13th Jul 2026189 AMAQI
13th Jul 20262010 AMAQI
13th Jul 20262411 AMAQI
13th Jul 20262412 PMAQI
13th Jul 2026261 PMAQI
13th Jul 2026252 PMAQI
13th Jul 2026243 PMAQI
13th Jul 2026304 PMAQI
13th Jul 2026245 PMAQI
13th Jul 2026206 PMAQI
13th Jul 2026197 PMAQI
13th Jul 2026228 PMAQI
13th Jul 2026249 PMAQI
13th Jul 20262410 PMAQI
13th Jul 20262211 PMAQI
14th Jul 20262412 AMAQI
14th Jul 2026241 AMAQI
14th Jul 2026222 AMAQI
14th Jul 2026203 AMAQI
14th Jul 2026184 AMAQI
14th Jul 2026205 AMAQI
32°C24/41°C
14th Jul 2026206 AMAQI
14th Jul 2026207 AMAQI
14th Jul 2026218 AMAQI
14th Jul 2026239 AMAQI
14th Jul 20262810 AMAQI
14th Jul 20262711 AMAQI
14th Jul 20262712 PMAQI
14th Jul 2026261 PMAQI
14th Jul 2026202 PMAQI
14th Jul 2026223 PMAQI
14th Jul 2026224 PMAQI
14th Jul 2026245 PMAQI
14th Jul 2026226 PMAQI
14th Jul 2026167 PMAQI
14th Jul 2026168 PMAQI
14th Jul 2026149 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20262411 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026201 AMAQI
15th Jul 2026162 AMAQI
15th Jul 2026133 AMAQI
15th Jul 2026134 AMAQI
15th Jul 2026105 AMAQI
33°C25/43°C
15th Jul 2026126 AMAQI
15th Jul 2026127 AMAQI
15th Jul 2026158 AMAQI
15th Jul 2026209 AMAQI
15th Jul 20262010 AMAQI
15th Jul 20262211 AMAQI
15th Jul 20262212 PMAQI
15th Jul 2026251 PMAQI
15th Jul 2026242 PMAQI
15th Jul 2026263 PMAQI
15th Jul 2026244 PMAQI
15th Jul 2026245 PMAQI
15th Jul 2026186 PMAQI
15th Jul 2026147 PMAQI
15th Jul 2026138 PMAQI
15th Jul 2026149 PMAQI
15th Jul 20261810 PMAQI
15th Jul 20261611 PMAQI
16th Jul 20261812 AMAQI
16th Jul 2026181 AMAQI
16th Jul 2026152 AMAQI
16th Jul 2026143 AMAQI
16th Jul 2026144 AMAQI
16th Jul 2026145 AMAQI
33°C23/43°C
16th Jul 2026156 AMAQI
16th Jul 2026147 AMAQI
16th Jul 2026168 AMAQI
16th Jul 2026189 AMAQI
16th Jul 20262010 AMAQI
16th Jul 20262011 AMAQI
16th Jul 20262212 PMAQI
16th Jul 2026281 PMAQI
16th Jul 2026302 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026304 PMAQI
16th Jul 2026245 PMAQI
16th Jul 2026226 PMAQI
16th Jul 2026197 PMAQI
16th Jul 2026198 PMAQI
16th Jul 2026169 PMAQI
16th Jul 20261810 PMAQI
16th Jul 20261911 PMAQI
17th Jul 20262712 AMAQI
17th Jul 2026231 AMAQI
17th Jul 2026292 AMAQI
17th Jul 2026383 AMAQI
17th Jul 2026464 AMAQI
17th Jul 2026465 AMAQI
30°C21/39°C
17th Jul 2026446 AMAQI
17th Jul 2026447 AMAQI
17th Jul 2026448 AMAQI
17th Jul 2026409 AMAQI
17th Jul 20264210 AMAQI
17th Jul 20264011 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026461 PMAQI
17th Jul 2026422 PMAQI
17th Jul 2026463 PMAQI
17th Jul 2026544 PMAQI
17th Jul 2026525 PMAQI
17th Jul 2026496 PMAQI
17th Jul 2026367 PMAQI
17th Jul 2026548 PMAQI
17th Jul 2026549 PMAQI
17th Jul 20264410 PMAQI
17th Jul 20263811 PMAQI
18th Jul 20264212 AMAQI
18th Jul 2026481 AMAQI
18th Jul 2026462 AMAQI
18th Jul 2026523 AMAQI
18th Jul 2026484 AMAQI
18th Jul 2026465 AMAQI
29°C19/39°C
18th Jul 2026506 AMAQI
18th Jul 2026567 AMAQI
18th Jul 2026558 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20263811 AMAQI
18th Jul 20265812 PMAQI
18th Jul 2026581 PMAQI
18th Jul 2026422 PMAQI
18th Jul 2026543 PMAQI
18th Jul 2026384 PMAQI
18th Jul 2026555 PMAQI
18th Jul 2026506 PMAQI
18th Jul 2026487 PMAQI
18th Jul 2026508 PMAQI
18th Jul 2026499 PMAQI
18th Jul 20263410 PMAQI
18th Jul 20265911 PMAQI
19th Jul 20263812 AMAQI
19th Jul 2026511 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026363 AMAQI
19th Jul 2026484 AMAQI
19th Jul 2026465 AMAQI
28°C18/38°C
19th Jul 2026236 AMAQI
19th Jul 2026467 AMAQI
19th Jul 2026348 AMAQI
19th Jul 2026509 AMAQI
19th Jul 20263810 AMAQI
19th Jul 20264811 AMAQI
19th Jul 20265012 PMAQI
19th Jul 2026401 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026423 PMAQI
19th Jul 2026484 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026486 PMAQI
19th Jul 2026337 PMAQI
19th Jul 2026258 PMAQI
19th Jul 2026239 PMAQI
19th Jul 20265010 PMAQI
19th Jul 20264811 PMAQI
20th Jul 20263412 AMAQI
20th Jul 2026341 AMAQI
20th Jul 2026382 AMAQI
20th Jul 2026363 AMAQI
20th Jul 2026434 AMAQI
20th Jul 2026425 AMAQI
30°C20/40°C
20th Jul 2026346 AMAQI
20th Jul 2026427 AMAQI
20th Jul 2026448 AMAQI
20th Jul 2026429 AMAQI
20th Jul 20264810 AMAQI
20th Jul 20265011 AMAQI
20th Jul 20264812 PMAQI
20th Jul 2026601 PMAQI
20th Jul 2026642 PMAQI
20th Jul 2026623 PMAQI
20th Jul 2026524 PMAQI
20th Jul 2026345 PMAQI
20th Jul 2026406 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026519 PMAQI
20th Jul 20263810 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20262612 AMAQI
21st Jul 2026401 AMAQI
21st Jul 2026622 AMAQI
21st Jul 2026603 AMAQI
21st Jul 2026564 AMAQI
21st Jul 2026515 AMAQI
30°C24/38°C
21st Jul 2026566 AMAQI
21st Jul 2026567 AMAQI
21st Jul 2026328 AMAQI
21st Jul 2026639 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20262811 AMAQI
21st Jul 20264612 PMAQI
21st Jul 2026501 PMAQI
21st Jul 2026382 PMAQI
21st Jul 2026283 PMAQI
21st Jul 2026444 PMAQI
21st Jul 2026505 PMAQI
21st Jul 2026246 PMAQI
21st Jul 2026527 PMAQI
21st Jul 2026568 PMAQI
21st Jul 2026589 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20265711 PMAQI
22nd Jul 20265012 AMAQI
22nd Jul 2026381 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026503 AMAQI
22nd Jul 2026504 AMAQI
22nd Jul 2026545 AMAQI
32°C23/42°C
22nd Jul 2026466 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026468 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20265212 PMAQI
22nd Jul 2026511 PMAQI
22nd Jul 2026302 PMAQI
22nd Jul 2026583 PMAQI
22nd Jul 2026564 PMAQI
22nd Jul 2026425 PMAQI
22nd Jul 2026346 PMAQI
22nd Jul 2026507 PMAQI
22nd Jul 2026548 PMAQI
22nd Jul 2026539 PMAQI
22nd Jul 20265610 PMAQI
22nd Jul 20265111 PMAQI
23rd Jul 20265012 AMAQI
23rd Jul 2026391 AMAQI
23rd Jul 2026482 AMAQI
23rd Jul 2026453 AMAQI
23rd Jul 2026494 AMAQI
23rd Jul 2026385 AMAQI
30°C24/36°C
23rd Jul 2026416 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026548 AMAQI
23rd Jul 2026369 AMAQI
23rd Jul 20264410 AMAQI
23rd Jul 20265311 AMAQI
23rd Jul 20266412 PMAQI
23rd Jul 2026681 PMAQI
23rd Jul 2026652 PMAQI
23rd Jul 2026423 PMAQI
23rd Jul 2026674 PMAQI
23rd Jul 2026365 PMAQI
23rd Jul 2026296 PMAQI
23rd Jul 2026397 PMAQI
23rd Jul 2026668 PMAQI
23rd Jul 2026639 PMAQI
23rd Jul 20265610 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026371 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026524 AMAQI
24th Jul 2026565 AMAQI
28°C17/38°C
24th Jul 2026546 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026748 AMAQI
24th Jul 2026659 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20266011 AMAQI
24th Jul 20265812 PMAQI
24th Jul 2026401 PMAQI
24th Jul 2026552 PMAQI
24th Jul 2026523 PMAQI
24th Jul 2026514 PMAQI
24th Jul 2026395 PMAQI
24th Jul 2026226 PMAQI
24th Jul 2026387 PMAQI
24th Jul 2026548 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20264611 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026461 AMAQI
25th Jul 2026522 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026424 AMAQI
25th Jul 2026605 AMAQI
29°C19/39°C
25th Jul 2026436 AMAQI
25th Jul 2026467 AMAQI
25th Jul 2026428 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20264210 AMAQI
25th Jul 20264411 AMAQI
25th Jul 20263612 PMAQI
25th Jul 2026501 PMAQI
25th Jul 2026482 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026464 PMAQI
25th Jul 2026465 PMAQI
25th Jul 2026216 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20264210 PMAQI
25th Jul 20261611 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026401 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026404 AMAQI
26th Jul 2026505 AMAQI
29°C18/38°C
26th Jul 2026506 AMAQI
26th Jul 2026487 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026129 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264211 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026382 PMAQI
26th Jul 2026503 PMAQI
26th Jul 2026424 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026346 PMAQI
26th Jul 2026367 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026399 PMAQI
26th Jul 20264610 PMAQI
26th Jul 20265211 PMAQI
27th Jul 20265112 AMAQI
27th Jul 2026531 AMAQI
27th Jul 2026482 AMAQI
27th Jul 2026363 AMAQI
27th Jul 2026274 AMAQI
27th Jul 2026345 AMAQI
29°C20/39°C
27th Jul 2026506 AMAQI
27th Jul 2026507 AMAQI
27th Jul 2026528 AMAQI
27th Jul 2026469 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20266611 AMAQI
27th Jul 20265712 PMAQI
27th Jul 2026601 PMAQI
27th Jul 2026462 PMAQI
27th Jul 2026563 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026525 PMAQI
27th Jul 2026256 PMAQI
27th Jul 2026347 PMAQI
27th Jul 2026368 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20263610 PMAQI
27th Jul 20264211 PMAQI
28th Jul 20264812 AMAQI
28th Jul 2026441 AMAQI
28th Jul 2026502 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026424 AMAQI
28th Jul 2026465 AMAQI
29°C19/38°C
28th Jul 2026446 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026468 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20263210 AMAQI
28th Jul 20265211 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026441 PMAQI
28th Jul 2026362 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026465 PMAQI
28th Jul 2026386 PMAQI
28th Jul 2026497 PMAQI
28th Jul 2026388 PMAQI
28th Jul 2026459 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20265211 PMAQI
29th Jul 20264412 AMAQI
29th Jul 2026491 AMAQI
29th Jul 2026522 AMAQI
29th Jul 2026503 AMAQI
29th Jul 2026464 AMAQI
29th Jul 2026465 AMAQI
29°C19/40°C
29th Jul 2026506 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026368 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20263110 AMAQI
29th Jul 20264411 AMAQI
29th Jul 20264012 PMAQI
29th Jul 2026401 PMAQI
29th Jul 2026432 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026444 PMAQI
29th Jul 2026415 PMAQI
29th Jul 2026506 PMAQI
29th Jul 2026507 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026279 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20264412 AMAQI
30th Jul 2026421 AMAQI
30th Jul 2026422 AMAQI
30th Jul 2026403 AMAQI
30th Jul 2026384 AMAQI
30th Jul 2026485 AMAQI
30°C21/40°C
30th Jul 2026446 AMAQI
30th Jul 2026447 AMAQI
30th Jul 2026488 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20264210 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264612 PMAQI
30th Jul 2026441 PMAQI
30th Jul 2026422 PMAQI
30th Jul 2026493 PMAQI
30th Jul 2026444 PMAQI
30th Jul 2026495 PMAQI
30th Jul 2026526 PMAQI
30th Jul 2026637 PMAQI
30th Jul 2026678 PMAQI
30th Jul 2026589 PMAQI
30th Jul 20265510 PMAQI
30th Jul 20265411 PMAQI
31st Jul 20265812 AMAQI
31st Jul 2026361 AMAQI
31st Jul 2026522 AMAQI
31st Jul 2026583 AMAQI
31st Jul 2026484 AMAQI
31st Jul 2026555 AMAQI
30°C22/40°C
31st Jul 2026556 AMAQI
31st Jul 2026517 AMAQI
31st Jul 2026558 AMAQI
31st Jul 2026579 AMAQI
31st Jul 20264610 AMAQI
31st Jul 20265111 AMAQI
31st Jul 20265112 PMAQI
31st Jul 2026531 PMAQI
31st Jul 2026482 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026534 PMAQI
31st Jul 2026465 PMAQI
31st Jul 2026526 PMAQI
31st Jul 2026527 PMAQI
31st Jul 2026508 PMAQI
31st Jul 2026389 PMAQI
31st Jul 20263810 PMAQI
31st Jul 20265611 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026541 AMAQI
1st Aug 2026482 AMAQI
1st Aug 2026533 AMAQI
1st Aug 2026544 AMAQI
1st Aug 2026495 AMAQI
30°C20/41°C
1st Aug 2026466 AMAQI
1st Aug 2026427 AMAQI
1st Aug 2026408 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20264410 AMAQI
1st Aug 20265111 AMAQI
1st Aug 20264612 PMAQI
1st Aug 2026461 PMAQI
1st Aug 2026482 PMAQI
1st Aug 2026423 PMAQI
1st Aug 2026464 PMAQI
1st Aug 2026445 PMAQI
1st Aug 2026426 PMAQI
1st Aug 2026407 PMAQI
1st Aug 2026468 PMAQI
1st Aug 2026489 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264612 AMAQI
2nd Aug 2026461 AMAQI
2nd Aug 2026422 AMAQI
2nd Aug 2026443 AMAQI
2nd Aug 2026444 AMAQI
2nd Aug 2026445 AMAQI
32°C21/43°C
2nd Aug 2026446 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026408 AMAQI
2nd Aug 2026519 AMAQI
2nd Aug 20264810 AMAQI
2nd Aug 20264911 AMAQI
2nd Aug 20264412 PMAQI
2nd Aug 2026461 PMAQI
2nd Aug 2026462 PMAQI
2nd Aug 2026463 PMAQI
2nd Aug 2026464 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026316 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026368 PMAQI
2nd Aug 2026489 PMAQI
2nd Aug 20265010 PMAQI
2nd Aug 20264611 PMAQI
3rd Aug 20263812 AMAQI
3rd Aug 2026421 AMAQI
3rd Aug 2026482 AMAQI
3rd Aug 2026463 AMAQI
3rd Aug 2026484 AMAQI
3rd Aug 2026485 AMAQI
33°C22/44°C
3rd Aug 2026446 AMAQI
3rd Aug 2026427 AMAQI
3rd Aug 2026488 AMAQI
3rd Aug 2026509 AMAQI
3rd Aug 20265510 AMAQI
3rd Aug 20265111 AMAQI
3rd Aug 20264612 PMAQI
3rd Aug 2026401 PMAQI
3rd Aug 2026442 PMAQI
3rd Aug 2026423 PMAQI
3rd Aug 2026424 PMAQI
3rd Aug 2026405 PMAQI
3rd Aug 2026426 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026278 PMAQI
3rd Aug 2026299 PMAQI
3rd Aug 20264810 PMAQI
3rd Aug 20264811 PMAQI
4th Aug 20264412 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026462 AMAQI
4th Aug 2026463 AMAQI
4th Aug 2026484 AMAQI
4th Aug 2026425 AMAQI
34°C23/45°C
4th Aug 2026426 AMAQI
4th Aug 2026547 AMAQI
4th Aug 2026448 AMAQI
4th Aug 2026509 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20264611 AMAQI
4th Aug 20264612 PMAQI
4th Aug 2026511 PMAQI
4th Aug 2026482 PMAQI
4th Aug 2026463 PMAQI
4th Aug 2026504 PMAQI
4th Aug 2026485 PMAQI
4th Aug 2026466 PMAQI
4th Aug 2026447 PMAQI
4th Aug 2026488 PMAQI
4th Aug 2026429 PMAQI
4th Aug 20264410 PMAQI
4th Aug 20264411 PMAQI
5th Aug 20265112 AMAQI
5th Aug 2026461 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026463 AMAQI
5th Aug 2026504 AMAQI
5th Aug 2026555 AMAQI
33°C21/43°C
5th Aug 2026616 AMAQI
5th Aug 2026627 AMAQI
5th Aug 2026688 AMAQI
5th Aug 2026769 AMAQI
5th Aug 20266210 AMAQI
5th Aug 20265011 AMAQI
5th Aug 20265212 PMAQI
5th Aug 2026501 PMAQI
5th Aug 2026542 PMAQI
5th Aug 2026533 PMAQI
5th Aug 2026554 PMAQI
5th Aug 2026535 PMAQI
5th Aug 2026466 PMAQI
5th Aug 2026487 PMAQI
5th Aug 2026498 PMAQI
5th Aug 2026449 PMAQI
5th Aug 20265110 PMAQI
5th Aug 20265011 PMAQI
6th Aug 20264412 AMAQI
6th Aug 2026421 AMAQI
6th Aug 2026422 AMAQI
6th Aug 2026423 AMAQI
6th Aug 2026484 AMAQI
6th Aug 2026425 AMAQI
31°C20/40°C
6th Aug 2026426 AMAQI
6th Aug 2026447 AMAQI
6th Aug 2026468 AMAQI
6th Aug 2026409 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20264611 AMAQI
6th Aug 20264612 PMAQI
6th Aug 2026421 PMAQI
6th Aug 2026462 PMAQI
6th Aug 2026463 PMAQI
6th Aug 2026464 PMAQI
6th Aug 2026485 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026508 PMAQI
6th Aug 2026489 PMAQI
6th Aug 20264910 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20264212 AMAQI
7th Aug 2026441 AMAQI
7th Aug 2026502 AMAQI
7th Aug 2026213 AMAQI
7th Aug 2026424 AMAQI
7th Aug 2026495 AMAQI
31°C21/42°C
7th Aug 2026296 AMAQI
7th Aug 2026417 AMAQI
7th Aug 2026328 AMAQI
7th Aug 2026429 AMAQI
7th Aug 20263810 AMAQI
7th Aug 20264611 AMAQI
7th Aug 20264212 PMAQI
7th Aug 2026461 PMAQI
7th Aug 2026502 PMAQI
7th Aug 2026463 PMAQI
7th Aug 2026524 PMAQI
7th Aug 2026465 PMAQI
7th Aug 2026426 PMAQI
7th Aug 2026467 PMAQI
7th Aug 2026538 PMAQI
7th Aug 2026519 PMAQI
7th Aug 20263810 PMAQI
7th Aug 20264911 PMAQI
8th Aug 20264812 AMAQI
8th Aug 2026481 AMAQI
8th Aug 2026462 AMAQI
8th Aug 2026503 AMAQI
8th Aug 2026464 AMAQI
8th Aug 2026505 AMAQI
32°C21/44°C
8th Aug 2026506 AMAQI
6 AM8th Aug 2026427 AMAQI
8th Aug 2026478 AMAQI
8th Aug 2026369 AMAQI
8th Aug 20264210 AMAQI
8th Aug 20264211 AMAQI
8th Aug 20264412 PMAQI
8th Aug 2026401 PMAQI
1 PM8th Aug 2026402 PMAQI
8th Aug 2026383 PMAQI
8th Aug 2026464 PMAQI
8th Aug 2026485 PMAQI
8th Aug 2026506 PMAQI
8th Aug 2026407 PMAQI
8th Aug 2026388 PMAQI
8 PM1 AM
5 AM
32°C22/42°C
Day time
Avg. Highest Time
11 AM - 1 PM
42AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
6 PM
35AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 42), while the lowest AQI was between 6 PM to 6 PM (Avg. 35).
Night time
Avg. Highest Time
2 AM - 11 PM
39AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 1 AM
38AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 11 PM (Avg. 39), while the lowest AQI was between 12 AM to 1 AM (Avg. 38).
2026 Days Vs Air Quality
Chico, California, United States
2026
96%
208
4%
8
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Good
208 DaysModerate
8 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 220 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
Chico, California, United States
AQI levels in 2026
AQI (US)
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 2026
-1th undefined 2026
-1th undefined 2026
-1th undefined 2026
1st January 2026
34AQI (US)
34AQI (US)
2nd January 2026
12AQI (US)
12AQI (US)
3rd January 2026
12AQI (US)
12AQI (US)
4th January 2026
12AQI (US)
12AQI (US)
5th January 2026
17AQI (US)
17AQI (US)
6th January 2026
19AQI (US)
19AQI (US)
7th January 2026
29AQI (US)
29AQI (US)
8th January 2026
13AQI (US)
13AQI (US)
9th January 2026
19AQI (US)
19AQI (US)
10th January 2026
24AQI (US)
24AQI (US)
11th January 2026
30AQI (US)
30AQI (US)
12th January 2026
41AQI (US)
41AQI (US)
13th January 2026
44AQI (US)
44AQI (US)
14th January 2026
77AQI (US)
77AQI (US)
15th January 2026
49AQI (US)
49AQI (US)
16th January 2026
52AQI (US)
52AQI (US)
17th January 2026
59AQI (US)
59AQI (US)
18th January 2026
54AQI (US)
54AQI (US)
19th January 2026
68AQI (US)
68AQI (US)
20th January 2026
40AQI (US)
40AQI (US)
21st January 2026
63AQI (US)
63AQI (US)
22nd January 2026
37AQI (US)
37AQI (US)
23rd January 2026
31AQI (US)
31AQI (US)
24th January 2026
35AQI (US)
35AQI (US)
25th January 2026
31AQI (US)
31AQI (US)
26th January 2026
34AQI (US)
34AQI (US)
27th January 2026
26AQI (US)
26AQI (US)
28th January 2026
27AQI (US)
27AQI (US)
29th January 2026
35AQI (US)
35AQI (US)
30th January 2026
47AQI (US)
47AQI (US)
31st January 2026
34AQI (US)
34AQI (US)
1st February 2026
34AQI (US)
34AQI (US)
2nd February 2026
29AQI (US)
29AQI (US)
3rd February 2026
28AQI (US)
28AQI (US)
4th February 2026
31AQI (US)
31AQI (US)
5th February 2026
33AQI (US)
33AQI (US)
6th February 2026
35AQI (US)
35AQI (US)
7th February 2026
32AQI (US)
32AQI (US)
8th February 2026
28AQI (US)
28AQI (US)
9th February 2026
38AQI (US)
38AQI (US)
10th February 2026
28AQI (US)
28AQI (US)
11th February 2026
35AQI (US)
35AQI (US)
12th February 2026
42AQI (US)
42AQI (US)
13th February 2026
30AQI (US)
30AQI (US)
14th February 2026
24AQI (US)
24AQI (US)
15th February 2026
24AQI (US)
24AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
42AQI (US)
42AQI (US)
19th February 2026
41AQI (US)
41AQI (US)
20th February 2026
29AQI (US)
29AQI (US)
21st February 2026
31AQI (US)
31AQI (US)
22nd February 2026
24AQI (US)
24AQI (US)
23rd February 2026
26AQI (US)
26AQI (US)
24th February 2026
28AQI (US)
28AQI (US)
25th February 2026
40AQI (US)
40AQI (US)
26th February 2026
25AQI (US)
25AQI (US)
27th February 2026
19AQI (US)
19AQI (US)
28th February 2026
25AQI (US)
25AQI (US)
1st March 2026
27AQI (US)
27AQI (US)
2nd March 2026
41AQI (US)
41AQI (US)
3rd March 2026
18AQI (US)
18AQI (US)
4th March 2026
22AQI (US)
22AQI (US)
5th March 2026
28AQI (US)
28AQI (US)
6th March 2026
23AQI (US)
23AQI (US)
7th March 2026
30AQI (US)
30AQI (US)
8th March 2026
18AQI (US)
18AQI (US)
9th March 2026
15AQI (US)
15AQI (US)
10th March 2026
24AQI (US)
24AQI (US)
11th March 2026
24AQI (US)
24AQI (US)
12th March 2026
21AQI (US)
21AQI (US)
13th March 2026
22AQI (US)
22AQI (US)
14th March 2026
16AQI (US)
16AQI (US)
15th March 2026
17AQI (US)
17AQI (US)
16th March 2026
19AQI (US)
19AQI (US)
17th March 2026
24AQI (US)
24AQI (US)
18th March 2026
20AQI (US)
20AQI (US)
19th March 2026
20AQI (US)
20AQI (US)
20th March 2026
25AQI (US)
25AQI (US)
21st March 2026
16AQI (US)
16AQI (US)
22nd March 2026
15AQI (US)
15AQI (US)
23rd March 2026
19AQI (US)
19AQI (US)
24th March 2026
27AQI (US)
27AQI (US)
25th March 2026
25AQI (US)
25AQI (US)
26th March 2026
30AQI (US)
30AQI (US)
27th March 2026
17AQI (US)
17AQI (US)
28th March 2026
17AQI (US)
17AQI (US)
29th March 2026
15AQI (US)
15AQI (US)
30th March 2026
28AQI (US)
28AQI (US)
31st March 2026
21AQI (US)
21AQI (US)
1st April 2026
22AQI (US)
22AQI (US)
2nd April 2026
19AQI (US)
19AQI (US)
3rd April 2026
19AQI (US)
19AQI (US)
4th April 2026
24AQI (US)
24AQI (US)
5th April 2026
22AQI (US)
22AQI (US)
6th April 2026
24AQI (US)
24AQI (US)
7th April 2026
28AQI (US)
28AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
21AQI (US)
21AQI (US)
10th April 2026
27AQI (US)
27AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
33AQI (US)
33AQI (US)
14th April 2026
21AQI (US)
21AQI (US)
15th April 2026
16AQI (US)
16AQI (US)
16th April 2026
20AQI (US)
20AQI (US)
17th April 2026
18th April 2026
16AQI (US)
16AQI (US)
19th April 2026
20AQI (US)
20AQI (US)
20th April 2026
16AQI (US)
16AQI (US)
21st April 2026
24AQI (US)
24AQI (US)
22nd April 2026
23rd April 2026
21AQI (US)
21AQI (US)
24th April 2026
14AQI (US)
14AQI (US)
25th April 2026
14AQI (US)
14AQI (US)
26th April 2026
15AQI (US)
15AQI (US)
27th April 2026
13AQI (US)
13AQI (US)
28th April 2026
16AQI (US)
16AQI (US)
29th April 2026
16AQI (US)
16AQI (US)
30th April 2026
18AQI (US)
18AQI (US)
1st May 2026
22AQI (US)
22AQI (US)
2nd May 2026
20AQI (US)
20AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
22AQI (US)
22AQI (US)
5th May 2026
28AQI (US)
28AQI (US)
6th May 2026
16AQI (US)
16AQI (US)
7th May 2026
20AQI (US)
20AQI (US)
8th May 2026
24AQI (US)
24AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
25AQI (US)
25AQI (US)
12th May 2026
32AQI (US)
32AQI (US)
13th May 2026
23AQI (US)
23AQI (US)
14th May 2026
24AQI (US)
24AQI (US)
15th May 2026
38AQI (US)
38AQI (US)
16th May 2026
48AQI (US)
48AQI (US)
17th May 2026
50AQI (US)
50AQI (US)
18th May 2026
50AQI (US)
50AQI (US)
19th May 2026
47AQI (US)
47AQI (US)
20th May 2026
48AQI (US)
48AQI (US)
21st May 2026
39AQI (US)
39AQI (US)
22nd May 2026
48AQI (US)
48AQI (US)
23rd May 2026
48AQI (US)
48AQI (US)
24th May 2026
42AQI (US)
42AQI (US)
25th May 2026
43AQI (US)
43AQI (US)
26th May 2026
19AQI (US)
19AQI (US)
27th May 2026
16AQI (US)
16AQI (US)
28th May 2026
16AQI (US)
16AQI (US)
29th May 2026
11AQI (US)
11AQI (US)
30th May 2026
12AQI (US)
12AQI (US)
31st May 2026
16AQI (US)
16AQI (US)
1st June 2026
16AQI (US)
16AQI (US)
2nd June 2026
15AQI (US)
15AQI (US)
3rd June 2026
19AQI (US)
19AQI (US)
4th June 2026
13AQI (US)
13AQI (US)
5th June 2026
15AQI (US)
15AQI (US)
6th June 2026
15AQI (US)
15AQI (US)
7th June 2026
10AQI (US)
10AQI (US)
8th June 2026
17AQI (US)
17AQI (US)
9th June 2026
17AQI (US)
17AQI (US)
10th June 2026
13AQI (US)
13AQI (US)
11th June 2026
16AQI (US)
16AQI (US)
12th June 2026
14AQI (US)
14AQI (US)
13th June 2026
14AQI (US)
14AQI (US)
14th June 2026
14AQI (US)
14AQI (US)
15th June 2026
22AQI (US)
22AQI (US)
16th June 2026
21AQI (US)
21AQI (US)
17th June 2026
20AQI (US)
20AQI (US)
18th June 2026
24AQI (US)
24AQI (US)
19th June 2026
14AQI (US)
14AQI (US)
20th June 2026
11AQI (US)
11AQI (US)
21st June 2026
10AQI (US)
10AQI (US)
22nd June 2026
18AQI (US)
18AQI (US)
23rd June 2026
19AQI (US)
19AQI (US)
24th June 2026
17AQI (US)
17AQI (US)
25th June 2026
18AQI (US)
18AQI (US)
26th June 2026
20AQI (US)
20AQI (US)
27th June 2026
20AQI (US)
20AQI (US)
28th June 2026
16AQI (US)
16AQI (US)
29th June 2026
14AQI (US)
14AQI (US)
30th June 2026
14AQI (US)
14AQI (US)
1st July 2026
21AQI (US)
21AQI (US)
2nd July 2026
25AQI (US)
25AQI (US)
3rd July 2026
24AQI (US)
24AQI (US)
4th July 2026
17AQI (US)
17AQI (US)
5th July 2026
16AQI (US)
16AQI (US)
6th July 2026
15AQI (US)
15AQI (US)
7th July 2026
20AQI (US)
20AQI (US)
8th July 2026
23AQI (US)
23AQI (US)
9th July 2026
22AQI (US)
22AQI (US)
10th July 2026
23AQI (US)
23AQI (US)
11th July 2026
17AQI (US)
17AQI (US)
12th July 2026
13AQI (US)
13AQI (US)
13th July 2026
20AQI (US)
20AQI (US)
14th July 2026
22AQI (US)
22AQI (US)
15th July 2026
18AQI (US)
18AQI (US)
16th July 2026
20AQI (US)
20AQI (US)
17th July 2026
43AQI (US)
43AQI (US)
18th July 2026
49AQI (US)
49AQI (US)
19th July 2026
41AQI (US)
41AQI (US)
20th July 2026
45AQI (US)
45AQI (US)
21st July 2026
48AQI (US)
48AQI (US)
22nd July 2026
48AQI (US)
48AQI (US)
23rd July 2026
50AQI (US)
50AQI (US)
24th July 2026
50AQI (US)
50AQI (US)
25th July 2026
44AQI (US)
44AQI (US)
26th July 2026
42AQI (US)
42AQI (US)
27th July 2026
46AQI (US)
46AQI (US)
28th July 2026
44AQI (US)
44AQI (US)
29th July 2026
42AQI (US)
42AQI (US)
30th July 2026
48AQI (US)
48AQI (US)
31st July 2026
51AQI (US)
51AQI (US)
1st August 2026
47AQI (US)
47AQI (US)
2nd August 2026
44AQI (US)
44AQI (US)
3rd August 2026
44AQI (US)
44AQI (US)
4th August 2026
46AQI (US)
46AQI (US)
5th August 2026
53AQI (US)
53AQI (US)
6th August 2026
45AQI (US)
45AQI (US)
7th August 2026
43AQI (US)
43AQI (US)
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
36AQI (US)
32AQI (US)
22AQI (US)
21AQI (US)
30AQI (US)
16AQI (US)
32AQI (US)
46AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202628AQI (US)
25
6
28
31
28
30
30
30
1
6
1
208
8
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June16AQI (US)
202536AQI (US)
24
7
27
1
31
29
1
31
29
1
28
3
30
1
30
26
5
22
8
22
9
329
36
Highest AQI (US) recorded in
January44AQI (US)
Lowest AQI (US) recorded in
March26AQI (US)
202434AQI (US)
28
2
28
1
31
30
28
29
31
28
3
30
28
3
24
6
22
9
337
24
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
202340AQI (US)
30
1
18
10
30
1
28
30
1
30
23
8
26
5
23
7
28
3
15
14
18
13
299
63
Highest AQI (US) recorded in
November48AQI (US)
Lowest AQI (US) recorded in
March33AQI (US)
202238AQI (US)
14
16
22
31
29
1
30
28
22
2
23
5
1
27
4
22
8
19
12
269
46
1
Highest AQI (US) recorded in
December49AQI (US)
Lowest AQI (US) recorded in
June30AQI (US)
202144AQI (US)
18
11
22
6
31
28
2
31
29
1
23
8
7
12
9
3
15
14
1
29
2
20
10
22
9
275
75
10
3
Highest AQI (US) recorded in
August90AQI (US)
Lowest AQI (US) recorded in
May32AQI (US)
202055AQI (US)
13
20
18
30
30
1
17
3
5
6
4
9
12
3
1
1
17
9
1
3
17
13
13
17
1
179
52
19
12
1
1
Highest AQI (US) recorded in
September117AQI (US)
Lowest AQI (US) recorded in
May26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2020(Avg.)
55AQI (US)Least Polluted Year Recorded
2026(Avg.)
28AQI (US)Chico's annual 2026 AQI (US) (28) shows an average percentage change of -30.2% (improved AQI (US)) compared to previous years: 2020 (55), 2021 (44), 2022 (38), 2023 (40), 2024 (34), 2025 (36).
