Fortuna, 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
Fortuna, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Aug 2023
78AQILowest AQI recorded on
18th Aug 2025
19AQISame Day Analysis (10th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Day & Night AQI Trend: 10th Aug - 11th Aug 2026
Fortuna, California, United States
AQI
Day
Night
.
6 AM10th Aug 2026
8 PM
5 AM11th Aug 2026
Day time
Avg. Highest Time
4PM10th Aug
76AQI
Avg. Lowest Time
7AM10th Aug
46AQI
Night time
Avg. Highest Time
3AM11th Aug
52AQI
Avg. Lowest Time
2AM11th Aug
40AQI
In the last 24 hours,
Fortuna's AQI reached its highest point of 76 at 4 PM during the Day, while the lowest point, 40, was recorded at 2 AM during the Night between 10th Aug and 11th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Fortuna, California, United States
JulAug
13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th
Day
Night
13th Jul 2026126 AMAQI
13th Jul 2026117 AMAQI
13th Jul 2026168 AMAQI
13th Jul 2026209 AMAQI
13th Jul 20262210 AMAQI
13th Jul 20261611 AMAQI
13th Jul 20262112 PMAQI
13th Jul 2026161 PMAQI
13th Jul 2026162 PMAQI
13th Jul 2026163 PMAQI
13th Jul 2026184 PMAQI
13th Jul 2026165 PMAQI
13th Jul 2026156 PMAQI
13th Jul 2026207 PMAQI
13th Jul 2026188 PMAQI
13th Jul 2026189 PMAQI
13th Jul 20261810 PMAQI
13th Jul 20261911 PMAQI
14th Jul 20262012 AMAQI
14th Jul 2026191 AMAQI
14th Jul 2026162 AMAQI
14th Jul 2026163 AMAQI
14th Jul 2026154 AMAQI
14th Jul 2026145 AMAQI
24°C18/32°C
14th Jul 2026186 AMAQI
14th Jul 2026167 AMAQI
14th Jul 2026228 AMAQI
14th Jul 2026269 AMAQI
14th Jul 20262810 AMAQI
14th Jul 20262411 AMAQI
14th Jul 20261812 PMAQI
14th Jul 2026261 PMAQI
14th Jul 2026222 PMAQI
14th Jul 2026213 PMAQI
14th Jul 2026204 PMAQI
14th Jul 2026185 PMAQI
14th Jul 2026156 PMAQI
14th Jul 2026157 PMAQI
14th Jul 2026168 PMAQI
14th Jul 2026149 PMAQI
14th Jul 20261810 PMAQI
14th Jul 20261811 PMAQI
15th Jul 20261812 AMAQI
15th Jul 2026161 AMAQI
15th Jul 2026162 AMAQI
15th Jul 2026123 AMAQI
15th Jul 2026144 AMAQI
15th Jul 2026145 AMAQI
23°C17/32°C
15th Jul 2026106 AMAQI
15th Jul 2026127 AMAQI
15th Jul 2026168 AMAQI
15th Jul 2026169 AMAQI
15th Jul 20261610 AMAQI
15th Jul 20261611 AMAQI
15th Jul 20261612 PMAQI
15th Jul 2026161 PMAQI
15th Jul 2026172 PMAQI
15th Jul 2026183 PMAQI
15th Jul 2026174 PMAQI
15th Jul 2026165 PMAQI
15th Jul 2026156 PMAQI
15th Jul 2026167 PMAQI
15th Jul 2026168 PMAQI
15th Jul 2026189 PMAQI
15th Jul 20261810 PMAQI
15th Jul 20261611 PMAQI
16th Jul 20261612 AMAQI
16th Jul 2026141 AMAQI
16th Jul 2026162 AMAQI
16th Jul 2026153 AMAQI
16th Jul 2026144 AMAQI
16th Jul 2026145 AMAQI
21°C15/29°C
16th Jul 2026126 AMAQI
16th Jul 2026127 AMAQI
16th Jul 2026158 AMAQI
16th Jul 2026169 AMAQI
16th Jul 20261610 AMAQI
16th Jul 20261411 AMAQI
16th Jul 20261412 PMAQI
16th Jul 2026171 PMAQI
16th Jul 2026182 PMAQI
16th Jul 2026163 PMAQI
16th Jul 2026184 PMAQI
16th Jul 2026185 PMAQI
16th Jul 2026206 PMAQI
16th Jul 2026187 PMAQI
16th Jul 2026188 PMAQI
16th Jul 2026189 PMAQI
16th Jul 20262010 PMAQI
16th Jul 20261911 PMAQI
17th Jul 20262912 AMAQI
17th Jul 2026251 AMAQI
17th Jul 2026542 AMAQI
17th Jul 2026523 AMAQI
17th Jul 2026624 AMAQI
17th Jul 2026625 AMAQI
17°C12/23°C
17th Jul 2026576 AMAQI
17th Jul 2026627 AMAQI
17th Jul 2026628 AMAQI
17th Jul 2026629 AMAQI
17th Jul 20266010 AMAQI
17th Jul 20265811 AMAQI
17th Jul 20264612 PMAQI
17th Jul 2026491 PMAQI
17th Jul 2026482 PMAQI
17th Jul 2026403 PMAQI
17th Jul 2026274 PMAQI
17th Jul 2026385 PMAQI
17th Jul 2026426 PMAQI
17th Jul 2026387 PMAQI
17th Jul 2026558 PMAQI
17th Jul 2026629 PMAQI
17th Jul 20266610 PMAQI
17th Jul 20267211 PMAQI
18th Jul 20263412 AMAQI
18th Jul 2026521 AMAQI
18th Jul 2026452 AMAQI
18th Jul 2026523 AMAQI
18th Jul 2026514 AMAQI
18th Jul 2026465 AMAQI
18°C11/26°C
18th Jul 2026526 AMAQI
18th Jul 2026597 AMAQI
18th Jul 2026638 AMAQI
18th Jul 2026559 AMAQI
18th Jul 20264910 AMAQI
18th Jul 20264211 AMAQI
18th Jul 20265712 PMAQI
18th Jul 2026571 PMAQI
18th Jul 2026402 PMAQI
18th Jul 2026573 PMAQI
18th Jul 2026214 PMAQI
18th Jul 2026365 PMAQI
18th Jul 2026526 PMAQI
18th Jul 2026517 PMAQI
18th Jul 2026518 PMAQI
18th Jul 2026519 PMAQI
18th Jul 20264810 PMAQI
18th Jul 20265611 PMAQI
19th Jul 20263212 AMAQI
19th Jul 2026551 AMAQI
19th Jul 2026292 AMAQI
19th Jul 2026403 AMAQI
19th Jul 2026494 AMAQI
19th Jul 2026485 AMAQI
22°C14/32°C
19th Jul 2026466 AMAQI
19th Jul 2026367 AMAQI
19th Jul 2026538 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20265410 AMAQI
19th Jul 20265011 AMAQI
19th Jul 20264912 PMAQI
19th Jul 2026461 PMAQI
19th Jul 2026422 PMAQI
19th Jul 2026403 PMAQI
19th Jul 2026484 PMAQI
19th Jul 2026465 PMAQI
19th Jul 2026486 PMAQI
19th Jul 2026327 PMAQI
19th Jul 2026348 PMAQI
19th Jul 2026389 PMAQI
19th Jul 20263610 PMAQI
19th Jul 20264611 PMAQI
20th Jul 20262712 AMAQI
20th Jul 2026401 AMAQI
20th Jul 2026232 AMAQI
20th Jul 2026293 AMAQI
20th Jul 2026274 AMAQI
20th Jul 2026345 AMAQI
24°C15/33°C
20th Jul 2026326 AMAQI
20th Jul 2026447 AMAQI
20th Jul 2026428 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20263610 AMAQI
20th Jul 20263811 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026551 PMAQI
20th Jul 2026422 PMAQI
20th Jul 2026553 PMAQI
20th Jul 2026564 PMAQI
20th Jul 2026425 PMAQI
20th Jul 2026446 PMAQI
20th Jul 2026407 PMAQI
20th Jul 2026489 PMAQI
20th Jul 20262110 PMAQI
20th Jul 20264611 PMAQI
21st Jul 20262112 AMAQI
21st Jul 2026341 AMAQI
21st Jul 2026602 AMAQI
21st Jul 2026643 AMAQI
21st Jul 2026554 AMAQI
21st Jul 2026525 AMAQI
23°C18/31°C
21st Jul 2026516 AMAQI
21st Jul 2026497 AMAQI
21st Jul 2026218 AMAQI
21st Jul 2026539 AMAQI
21st Jul 20264610 AMAQI
21st Jul 20262511 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026441 PMAQI
21st Jul 2026382 PMAQI
21st Jul 2026213 PMAQI
21st Jul 2026544 PMAQI
21st Jul 2026525 PMAQI
21st Jul 2026216 PMAQI
21st Jul 2026527 PMAQI
21st Jul 2026548 PMAQI
21st Jul 2026579 PMAQI
21st Jul 20266010 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20265412 AMAQI
22nd Jul 2026441 AMAQI
22nd Jul 2026582 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026584 AMAQI
22nd Jul 2026515 AMAQI
25°C18/33°C
22nd Jul 2026536 AMAQI
22nd Jul 2026387 AMAQI
22nd Jul 2026468 AMAQI
22nd Jul 2026469 AMAQI
22nd Jul 20265210 AMAQI
22nd Jul 20265311 AMAQI
22nd Jul 20264812 PMAQI
22nd Jul 2026521 PMAQI
22nd Jul 2026932 PMAQI
22nd Jul 2026543 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026515 PMAQI
22nd Jul 2026406 PMAQI
22nd Jul 2026757 PMAQI
22nd Jul 2026788 PMAQI
22nd Jul 2026669 PMAQI
22nd Jul 20266510 PMAQI
22nd Jul 20266511 PMAQI
23rd Jul 20265912 AMAQI
23rd Jul 2026441 AMAQI
23rd Jul 2026542 AMAQI
23rd Jul 2026533 AMAQI
23rd Jul 2026524 AMAQI
23rd Jul 2026515 AMAQI
18°C14/22°C
23rd Jul 2026446 AMAQI
23rd Jul 2026447 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026469 AMAQI
23rd Jul 20264210 AMAQI
23rd Jul 20264611 AMAQI
23rd Jul 20265312 PMAQI
23rd Jul 2026531 PMAQI
23rd Jul 2026502 PMAQI
23rd Jul 2026443 PMAQI
23rd Jul 2026384 PMAQI
23rd Jul 2026405 PMAQI
23rd Jul 2026386 PMAQI
23rd Jul 2026277 PMAQI
23rd Jul 2026238 PMAQI
23rd Jul 2026509 PMAQI
23rd Jul 20265510 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264512 AMAQI
24th Jul 2026381 AMAQI
24th Jul 2026552 AMAQI
24th Jul 2026533 AMAQI
24th Jul 2026364 AMAQI
24th Jul 2026525 AMAQI
18°C12/26°C
24th Jul 2026466 AMAQI
24th Jul 2026467 AMAQI
24th Jul 2026548 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20265010 AMAQI
24th Jul 20265211 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026291 PMAQI
24th Jul 2026402 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026524 PMAQI
24th Jul 2026385 PMAQI
24th Jul 2026446 PMAQI
24th Jul 2026427 PMAQI
24th Jul 2026508 PMAQI
24th Jul 2026509 PMAQI
24th Jul 20264610 PMAQI
24th Jul 20263411 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026492 AMAQI
25th Jul 2026423 AMAQI
25th Jul 2026524 AMAQI
25th Jul 2026405 AMAQI
19°C11/27°C
25th Jul 2026426 AMAQI
25th Jul 2026427 AMAQI
25th Jul 2026468 AMAQI
25th Jul 2026509 AMAQI
25th Jul 20264410 AMAQI
25th Jul 20265011 AMAQI
25th Jul 20263812 PMAQI
25th Jul 2026461 PMAQI
25th Jul 2026342 PMAQI
25th Jul 2026503 PMAQI
25th Jul 2026344 PMAQI
25th Jul 2026345 PMAQI
25th Jul 2026446 PMAQI
25th Jul 2026257 PMAQI
25th Jul 2026368 PMAQI
25th Jul 2026469 PMAQI
25th Jul 20263210 PMAQI
25th Jul 20262111 PMAQI
26th Jul 20264212 AMAQI
26th Jul 2026421 AMAQI
26th Jul 2026462 AMAQI
26th Jul 2026483 AMAQI
26th Jul 2026534 AMAQI
26th Jul 2026545 AMAQI
18°C11/27°C
26th Jul 2026466 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026468 AMAQI
26th Jul 2026149 AMAQI
26th Jul 20264210 AMAQI
26th Jul 20264611 AMAQI
26th Jul 20264212 PMAQI
26th Jul 2026361 PMAQI
26th Jul 2026402 PMAQI
26th Jul 2026503 PMAQI
26th Jul 2026234 PMAQI
26th Jul 2026385 PMAQI
26th Jul 2026386 PMAQI
26th Jul 2026427 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026509 PMAQI
26th Jul 20263410 PMAQI
26th Jul 20265211 PMAQI
27th Jul 20264012 AMAQI
27th Jul 2026551 AMAQI
27th Jul 2026442 AMAQI
27th Jul 2026423 AMAQI
27th Jul 2026404 AMAQI
27th Jul 2026485 AMAQI
19°C12/28°C
27th Jul 2026486 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026429 AMAQI
27th Jul 20265010 AMAQI
27th Jul 20265011 AMAQI
27th Jul 20264612 PMAQI
27th Jul 2026501 PMAQI
27th Jul 2026422 PMAQI
27th Jul 2026183 PMAQI
27th Jul 2026214 PMAQI
27th Jul 2026295 PMAQI
27th Jul 2026386 PMAQI
27th Jul 2026367 PMAQI
27th Jul 2026258 PMAQI
27th Jul 2026469 PMAQI
27th Jul 20263410 PMAQI
27th Jul 20263811 PMAQI
28th Jul 20265012 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026462 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026324 AMAQI
28th Jul 2026505 AMAQI
20°C14/28°C
28th Jul 2026446 AMAQI
28th Jul 2026257 AMAQI
28th Jul 2026448 AMAQI
28th Jul 2026489 AMAQI
28th Jul 20263810 AMAQI
28th Jul 20265411 AMAQI
28th Jul 20265012 PMAQI
28th Jul 2026461 PMAQI
28th Jul 2026382 PMAQI
28th Jul 2026483 PMAQI
28th Jul 2026324 PMAQI
28th Jul 2026295 PMAQI
28th Jul 2026406 PMAQI
28th Jul 2026507 PMAQI
28th Jul 2026218 PMAQI
28th Jul 2026349 PMAQI
28th Jul 20265010 PMAQI
28th Jul 20263611 PMAQI
29th Jul 20263812 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026212 AMAQI
29th Jul 2026523 AMAQI
29th Jul 2026464 AMAQI
29th Jul 2026525 AMAQI
19°C15/26°C
29th Jul 2026526 AMAQI
29th Jul 2026237 AMAQI
29th Jul 2026528 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20265012 PMAQI
29th Jul 2026481 PMAQI
29th Jul 2026392 PMAQI
29th Jul 2026523 PMAQI
29th Jul 2026334 PMAQI
29th Jul 2026385 PMAQI
29th Jul 2026466 PMAQI
29th Jul 2026567 PMAQI
29th Jul 2026388 PMAQI
29th Jul 2026239 PMAQI
29th Jul 20264610 PMAQI
29th Jul 20262411 PMAQI
30th Jul 20265012 AMAQI
30th Jul 2026441 AMAQI
30th Jul 2026382 AMAQI
30th Jul 2026503 AMAQI
30th Jul 2026484 AMAQI
30th Jul 2026425 AMAQI
19°C15/27°C
30th Jul 2026446 AMAQI
30th Jul 2026507 AMAQI
30th Jul 2026518 AMAQI
30th Jul 2026469 AMAQI
30th Jul 20264410 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20264812 PMAQI
30th Jul 2026481 PMAQI
30th Jul 2026442 PMAQI
30th Jul 2026513 PMAQI
30th Jul 2026484 PMAQI
30th Jul 2026515 PMAQI
30th Jul 2026526 PMAQI
30th Jul 2026607 PMAQI
30th Jul 2026658 PMAQI
30th Jul 2026649 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20266211 PMAQI
31st Jul 20266312 AMAQI
31st Jul 2026621 AMAQI
31st Jul 2026572 AMAQI
31st Jul 2026633 AMAQI
31st Jul 2026604 AMAQI
31st Jul 2026545 AMAQI
20°C14/27°C
31st Jul 2026656 AMAQI
31st Jul 2026657 AMAQI
31st Jul 2026568 AMAQI
31st Jul 2026689 AMAQI
31st Jul 20266410 AMAQI
31st Jul 20266411 AMAQI
31st Jul 20267112 PMAQI
31st Jul 2026701 PMAQI
31st Jul 2026782 PMAQI
31st Jul 2026743 PMAQI
31st Jul 2026694 PMAQI
31st Jul 2026625 PMAQI
31st Jul 2026566 PMAQI
31st Jul 2026557 PMAQI
31st Jul 2026568 PMAQI
31st Jul 2026539 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20264711 PMAQI
1st Aug 20265212 AMAQI
1st Aug 2026491 AMAQI
1st Aug 2026372 AMAQI
1st Aug 2026523 AMAQI
1st Aug 2026524 AMAQI
1st Aug 2026505 AMAQI
21°C15/29°C
1st Aug 2026386 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026468 AMAQI
1st Aug 2026529 AMAQI
1st Aug 20265010 AMAQI
1st Aug 20265011 AMAQI
1st Aug 20264412 PMAQI
1st Aug 2026441 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026404 PMAQI
1st Aug 2026295 PMAQI
1st Aug 2026446 PMAQI
1st Aug 2026447 PMAQI
1st Aug 2026408 PMAQI
1st Aug 2026349 PMAQI
1st Aug 20264210 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20264612 AMAQI
2nd Aug 2026241 AMAQI
2nd Aug 2026212 AMAQI
2nd Aug 2026423 AMAQI
2nd Aug 2026424 AMAQI
2nd Aug 2026465 AMAQI
20°C16/26°C
2nd Aug 2026426 AMAQI
2nd Aug 2026367 AMAQI
2nd Aug 2026468 AMAQI
2nd Aug 2026519 AMAQI
2nd Aug 20265210 AMAQI
2nd Aug 20265111 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026521 PMAQI
2nd Aug 2026512 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026444 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026426 PMAQI
2nd Aug 2026427 PMAQI
2nd Aug 2026488 PMAQI
2nd Aug 2026539 PMAQI
2nd Aug 20265410 PMAQI
2nd Aug 20265411 PMAQI
3rd Aug 20265612 AMAQI
3rd Aug 2026521 AMAQI
3rd Aug 2026542 AMAQI
3rd Aug 2026533 AMAQI
3rd Aug 2026524 AMAQI
3rd Aug 2026555 AMAQI
21°C15/27°C
3rd Aug 2026496 AMAQI
3rd Aug 2026487 AMAQI
3rd Aug 2026538 AMAQI
3rd Aug 2026529 AMAQI
3rd Aug 20264610 AMAQI
3rd Aug 20266011 AMAQI
3rd Aug 20265312 PMAQI
3rd Aug 2026531 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026444 PMAQI
3rd Aug 2026525 PMAQI
3rd Aug 2026526 PMAQI
3rd Aug 2026567 PMAQI
3rd Aug 2026568 PMAQI
3rd Aug 2026579 PMAQI
3rd Aug 20265810 PMAQI
3rd Aug 20265511 PMAQI
4th Aug 20265712 AMAQI
4th Aug 2026571 AMAQI
4th Aug 2026532 AMAQI
4th Aug 2026533 AMAQI
4th Aug 2026524 AMAQI
4th Aug 2026585 AMAQI
26°C19/36°C
4th Aug 2026506 AMAQI
4th Aug 2026427 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026519 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20265711 AMAQI
4th Aug 20266212 PMAQI
4th Aug 2026621 PMAQI
4th Aug 2026602 PMAQI
4th Aug 2026563 PMAQI
4th Aug 2026554 PMAQI
4th Aug 2026515 PMAQI
4th Aug 2026536 PMAQI
4th Aug 2026537 PMAQI
4th Aug 2026588 PMAQI
4th Aug 2026579 PMAQI
4th Aug 20265310 PMAQI
4th Aug 20265111 PMAQI
5th Aug 20265212 AMAQI
5th Aug 2026501 AMAQI
5th Aug 2026492 AMAQI
5th Aug 2026523 AMAQI
5th Aug 2026444 AMAQI
5th Aug 2026505 AMAQI
28°C21/37°C
5th Aug 2026506 AMAQI
5th Aug 2026507 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026519 AMAQI
5th Aug 20264610 AMAQI
5th Aug 20265311 AMAQI
5th Aug 20265412 PMAQI
5th Aug 2026511 PMAQI
5th Aug 2026462 PMAQI
5th Aug 2026523 PMAQI
5th Aug 2026514 PMAQI
5th Aug 2026505 PMAQI
5th Aug 2026506 PMAQI
5th Aug 2026517 PMAQI
5th Aug 2026468 PMAQI
5th Aug 2026489 PMAQI
5th Aug 20264210 PMAQI
5th Aug 20264411 PMAQI
6th Aug 20263812 AMAQI
6th Aug 2026421 AMAQI
6th Aug 2026442 AMAQI
6th Aug 2026443 AMAQI
6th Aug 2026424 AMAQI
6th Aug 2026465 AMAQI
25°C16/34°C
6th Aug 2026426 AMAQI
6th Aug 2026407 AMAQI
6th Aug 2026488 AMAQI
6th Aug 2026489 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20265111 AMAQI
6th Aug 20265212 PMAQI
6th Aug 2026541 PMAQI
6th Aug 2026462 PMAQI
6th Aug 2026533 PMAQI
6th Aug 2026504 PMAQI
6th Aug 2026515 PMAQI
6th Aug 2026406 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026258 PMAQI
6th Aug 2026329 PMAQI
6th Aug 20262910 PMAQI
6th Aug 20264011 PMAQI
7th Aug 20264712 AMAQI
7th Aug 2026421 AMAQI
7th Aug 2026422 AMAQI
7th Aug 2026483 AMAQI
7th Aug 2026464 AMAQI
7th Aug 2026425 AMAQI
23°C15/34°C
7th Aug 2026386 AMAQI
7th Aug 2026347 AMAQI
7th Aug 2026468 AMAQI
7th Aug 2026489 AMAQI
7th Aug 20265410 AMAQI
7th Aug 20265111 AMAQI
7th Aug 20265212 PMAQI
7th Aug 2026561 PMAQI
7th Aug 2026512 PMAQI
7th Aug 2026483 PMAQI
7th Aug 2026494 PMAQI
7th Aug 2026445 PMAQI
7th Aug 2026516 PMAQI
7th Aug 2026247 PMAQI
7th Aug 2026648 PMAQI
7th Aug 2026409 PMAQI
7th Aug 20264210 PMAQI
7th Aug 20264411 PMAQI
8th Aug 20264212 AMAQI
8th Aug 2026421 AMAQI
8th Aug 2026512 AMAQI
8th Aug 2026533 AMAQI
8th Aug 2026554 AMAQI
8th Aug 2026535 AMAQI
24°C17/34°C
8th Aug 2026576 AMAQI
8th Aug 2026627 AMAQI
8th Aug 2026578 AMAQI
8th Aug 2026649 AMAQI
8th Aug 20266610 AMAQI
8th Aug 20266011 AMAQI
8th Aug 20265412 PMAQI
8th Aug 2026601 PMAQI
8th Aug 2026502 PMAQI
8th Aug 2026483 PMAQI
8th Aug 2026514 PMAQI
8th Aug 2026515 PMAQI
8th Aug 2026536 PMAQI
8th Aug 2026547 PMAQI
8th Aug 2026468 PMAQI
8th Aug 2026429 PMAQI
8th Aug 20265110 PMAQI
8th Aug 20264411 PMAQI
9th Aug 20264212 AMAQI
9th Aug 2026461 AMAQI
9th Aug 2026462 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026384 AMAQI
9th Aug 2026465 AMAQI
26°C19/35°C
9th Aug 2026406 AMAQI
9th Aug 2026447 AMAQI
9th Aug 2026428 AMAQI
9th Aug 2026429 AMAQI
9th Aug 20265210 AMAQI
9th Aug 20265011 AMAQI
9th Aug 20265212 PMAQI
9th Aug 2026651 PMAQI
9th Aug 2026642 PMAQI
9th Aug 2026673 PMAQI
9th Aug 2026694 PMAQI
9th Aug 2026595 PMAQI
9th Aug 2026576 PMAQI
9th Aug 2026567 PMAQI
9th Aug 2026538 PMAQI
9th Aug 2026479 PMAQI
9th Aug 20264210 PMAQI
9th Aug 20264811 PMAQI
10th Aug 20264012 AMAQI
10th Aug 2026441 AMAQI
10th Aug 2026442 AMAQI
10th Aug 2026443 AMAQI
10th Aug 2026464 AMAQI
10th Aug 2026465 AMAQI
25°C20/33°C
10th Aug 2026516 AMAQI
10th Aug 2026467 AMAQI
10th Aug 2026488 AMAQI
10th Aug 2026529 AMAQI
10th Aug 20265610 AMAQI
10th Aug 20265011 AMAQI
10th Aug 20265112 PMAQI
10th Aug 2026481 PMAQI
10th Aug 2026592 PMAQI
10th Aug 2026683 PMAQI
10th Aug 2026764 PMAQI
10th Aug 2026625 PMAQI
10th Aug 2026656 PMAQI
10th Aug 2026687 PMAQI
10th Aug 2026538 PMAQI
10th Aug 2026509 PMAQI
10th Aug 20264810 PMAQI
10th Aug 20264811 PMAQI
11th Aug 20264412 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026402 AMAQI
11th Aug 2026523 AMAQI
11th Aug 2026464 AMAQI
11th Aug 2026425 AMAQI
25°C20/33°C
11th Aug 2026446 AMAQI
6 AM11th Aug 2026467 AMAQI
11th Aug 2026468 AMAQI
11th Aug 2026389 AMAQI
11th Aug 20264410 AMAQI
11th Aug 20264211 AMAQI
11th Aug 20264212 PMAQI
11th Aug 2026421 PMAQI
1 PM11th Aug 2026442 PMAQI
11th Aug 2026463 PMAQI
11th Aug 2026424 PMAQI
11th Aug 2026485 PMAQI
11th Aug 2026556 PMAQI
11th Aug 2026487 PMAQI
8 PM
1 AM
5 AM
23°C18/32°C
Day time
Avg. Highest Time
8 AM - 3 PM
45AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
7 AM
41AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 8 AM to 3 PM (Avg. 45), while the lowest AQI was between 7 AM to 7 AM (Avg. 41).
Night time
Avg. Highest Time
3 AM - 9 PM
44AQI
4 hours / Day
120 hours / Month
Avg. Lowest Time
12 AM - 2 AM
41AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 3 AM to 9 PM (Avg. 44), while the lowest AQI was between 12 AM to 2 AM (Avg. 41).
2026 Days Vs Air Quality
Fortuna, California, United States
2026
93%
203
7%
16
Total number of days with different AQI categories in last 223 days in 2026 (142 days remaining)
Good
203 DaysModerate
16 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 223 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
Fortuna, 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
15AQI (US)
15AQI (US)
3rd January 2026
15AQI (US)
15AQI (US)
4th January 2026
16AQI (US)
16AQI (US)
5th January 2026
19AQI (US)
19AQI (US)
6th January 2026
23AQI (US)
23AQI (US)
7th January 2026
21AQI (US)
21AQI (US)
8th January 2026
24AQI (US)
24AQI (US)
9th January 2026
32AQI (US)
32AQI (US)
10th January 2026
37AQI (US)
37AQI (US)
11th January 2026
36AQI (US)
36AQI (US)
12th January 2026
51AQI (US)
51AQI (US)
13th January 2026
53AQI (US)
53AQI (US)
14th January 2026
54AQI (US)
54AQI (US)
15th January 2026
41AQI (US)
41AQI (US)
16th January 2026
35AQI (US)
35AQI (US)
17th January 2026
40AQI (US)
40AQI (US)
18th January 2026
38AQI (US)
38AQI (US)
19th January 2026
35AQI (US)
35AQI (US)
20th January 2026
42AQI (US)
42AQI (US)
21st January 2026
52AQI (US)
52AQI (US)
22nd January 2026
40AQI (US)
40AQI (US)
23rd January 2026
37AQI (US)
37AQI (US)
24th January 2026
37AQI (US)
37AQI (US)
25th January 2026
37AQI (US)
37AQI (US)
26th January 2026
39AQI (US)
39AQI (US)
27th January 2026
27AQI (US)
27AQI (US)
28th January 2026
29AQI (US)
29AQI (US)
29th January 2026
43AQI (US)
43AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
31AQI (US)
31AQI (US)
1st February 2026
32AQI (US)
32AQI (US)
2nd February 2026
38AQI (US)
38AQI (US)
3rd February 2026
34AQI (US)
34AQI (US)
4th February 2026
31AQI (US)
31AQI (US)
5th February 2026
43AQI (US)
43AQI (US)
6th February 2026
39AQI (US)
39AQI (US)
7th February 2026
35AQI (US)
35AQI (US)
8th February 2026
29AQI (US)
29AQI (US)
9th February 2026
38AQI (US)
38AQI (US)
10th February 2026
38AQI (US)
38AQI (US)
11th February 2026
31AQI (US)
31AQI (US)
12th February 2026
29AQI (US)
29AQI (US)
13th February 2026
31AQI (US)
31AQI (US)
14th February 2026
26AQI (US)
26AQI (US)
15th February 2026
28AQI (US)
28AQI (US)
16th February 2026
34AQI (US)
34AQI (US)
17th February 2026
36AQI (US)
36AQI (US)
18th February 2026
39AQI (US)
39AQI (US)
19th February 2026
34AQI (US)
34AQI (US)
20th February 2026
30AQI (US)
30AQI (US)
21st February 2026
29AQI (US)
29AQI (US)
22nd February 2026
29AQI (US)
29AQI (US)
23rd February 2026
31AQI (US)
31AQI (US)
24th February 2026
39AQI (US)
39AQI (US)
25th February 2026
36AQI (US)
36AQI (US)
26th February 2026
28AQI (US)
28AQI (US)
27th February 2026
26AQI (US)
26AQI (US)
28th February 2026
28AQI (US)
28AQI (US)
1st March 2026
29AQI (US)
29AQI (US)
2nd March 2026
49AQI (US)
49AQI (US)
3rd March 2026
27AQI (US)
27AQI (US)
4th March 2026
33AQI (US)
33AQI (US)
5th March 2026
28AQI (US)
28AQI (US)
6th March 2026
20AQI (US)
20AQI (US)
7th March 2026
28AQI (US)
28AQI (US)
8th March 2026
28AQI (US)
28AQI (US)
9th March 2026
26AQI (US)
26AQI (US)
10th March 2026
30AQI (US)
30AQI (US)
11th March 2026
31AQI (US)
31AQI (US)
12th March 2026
22AQI (US)
22AQI (US)
13th March 2026
32AQI (US)
32AQI (US)
14th March 2026
24AQI (US)
24AQI (US)
15th March 2026
17AQI (US)
17AQI (US)
16th March 2026
23AQI (US)
23AQI (US)
17th March 2026
24AQI (US)
24AQI (US)
18th March 2026
22AQI (US)
22AQI (US)
19th March 2026
26AQI (US)
26AQI (US)
20th March 2026
32AQI (US)
32AQI (US)
21st March 2026
28AQI (US)
28AQI (US)
22nd March 2026
25AQI (US)
25AQI (US)
23rd March 2026
33AQI (US)
33AQI (US)
24th March 2026
27AQI (US)
27AQI (US)
25th March 2026
24AQI (US)
24AQI (US)
26th March 2026
28AQI (US)
28AQI (US)
27th March 2026
19AQI (US)
19AQI (US)
28th March 2026
20AQI (US)
20AQI (US)
29th March 2026
17AQI (US)
17AQI (US)
30th March 2026
22AQI (US)
22AQI (US)
31st March 2026
20AQI (US)
20AQI (US)
1st April 2026
23AQI (US)
23AQI (US)
2nd April 2026
19AQI (US)
19AQI (US)
3rd April 2026
20AQI (US)
20AQI (US)
4th April 2026
26AQI (US)
26AQI (US)
5th April 2026
23AQI (US)
23AQI (US)
6th April 2026
26AQI (US)
26AQI (US)
7th April 2026
26AQI (US)
26AQI (US)
8th April 2026
34AQI (US)
34AQI (US)
9th April 2026
23AQI (US)
23AQI (US)
10th April 2026
27AQI (US)
27AQI (US)
11th April 2026
29AQI (US)
29AQI (US)
12th April 2026
20AQI (US)
20AQI (US)
13th April 2026
25AQI (US)
25AQI (US)
14th April 2026
21AQI (US)
21AQI (US)
15th April 2026
23AQI (US)
23AQI (US)
16th April 2026
21AQI (US)
21AQI (US)
17th April 2026
18th April 2026
21AQI (US)
21AQI (US)
19th April 2026
21AQI (US)
21AQI (US)
20th April 2026
15AQI (US)
15AQI (US)
21st April 2026
24AQI (US)
24AQI (US)
22nd April 2026
23rd April 2026
20AQI (US)
20AQI (US)
24th April 2026
19AQI (US)
19AQI (US)
25th April 2026
15AQI (US)
15AQI (US)
26th April 2026
24AQI (US)
24AQI (US)
27th April 2026
18AQI (US)
18AQI (US)
28th April 2026
20AQI (US)
20AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
22AQI (US)
22AQI (US)
1st May 2026
22AQI (US)
22AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
34AQI (US)
34AQI (US)
5th May 2026
34AQI (US)
34AQI (US)
6th May 2026
18AQI (US)
18AQI (US)
7th May 2026
19AQI (US)
19AQI (US)
8th May 2026
29AQI (US)
29AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
23AQI (US)
23AQI (US)
12th May 2026
29AQI (US)
29AQI (US)
13th May 2026
22AQI (US)
22AQI (US)
14th May 2026
19AQI (US)
19AQI (US)
15th May 2026
41AQI (US)
41AQI (US)
16th May 2026
48AQI (US)
48AQI (US)
17th May 2026
57AQI (US)
57AQI (US)
18th May 2026
54AQI (US)
54AQI (US)
19th May 2026
53AQI (US)
53AQI (US)
20th May 2026
51AQI (US)
51AQI (US)
21st May 2026
39AQI (US)
39AQI (US)
22nd May 2026
49AQI (US)
49AQI (US)
23rd May 2026
48AQI (US)
48AQI (US)
24th May 2026
43AQI (US)
43AQI (US)
25th May 2026
41AQI (US)
41AQI (US)
26th May 2026
21AQI (US)
21AQI (US)
27th May 2026
30AQI (US)
30AQI (US)
28th May 2026
24AQI (US)
24AQI (US)
29th May 2026
19AQI (US)
19AQI (US)
30th May 2026
14AQI (US)
14AQI (US)
31st May 2026
24AQI (US)
24AQI (US)
1st June 2026
26AQI (US)
26AQI (US)
2nd June 2026
17AQI (US)
17AQI (US)
3rd June 2026
17AQI (US)
17AQI (US)
4th June 2026
18AQI (US)
18AQI (US)
5th June 2026
15AQI (US)
15AQI (US)
6th June 2026
14AQI (US)
14AQI (US)
7th June 2026
15AQI (US)
15AQI (US)
8th June 2026
17AQI (US)
17AQI (US)
9th June 2026
18AQI (US)
18AQI (US)
10th June 2026
16AQI (US)
16AQI (US)
11th June 2026
19AQI (US)
19AQI (US)
12th June 2026
19AQI (US)
19AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
15AQI (US)
15AQI (US)
15th June 2026
20AQI (US)
20AQI (US)
16th June 2026
21AQI (US)
21AQI (US)
17th June 2026
17AQI (US)
17AQI (US)
18th June 2026
20AQI (US)
20AQI (US)
19th June 2026
14AQI (US)
14AQI (US)
20th June 2026
16AQI (US)
16AQI (US)
21st June 2026
17AQI (US)
17AQI (US)
22nd June 2026
16AQI (US)
16AQI (US)
23rd June 2026
17AQI (US)
17AQI (US)
24th June 2026
16AQI (US)
16AQI (US)
25th June 2026
17AQI (US)
17AQI (US)
26th June 2026
20AQI (US)
20AQI (US)
27th June 2026
19AQI (US)
19AQI (US)
28th June 2026
18AQI (US)
18AQI (US)
29th June 2026
24AQI (US)
24AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
26AQI (US)
26AQI (US)
3rd July 2026
20AQI (US)
20AQI (US)
4th July 2026
17AQI (US)
17AQI (US)
5th July 2026
18AQI (US)
18AQI (US)
6th July 2026
13AQI (US)
13AQI (US)
7th July 2026
14AQI (US)
14AQI (US)
8th July 2026
21AQI (US)
21AQI (US)
9th July 2026
22AQI (US)
22AQI (US)
10th July 2026
21AQI (US)
21AQI (US)
11th July 2026
17AQI (US)
17AQI (US)
12th July 2026
14AQI (US)
14AQI (US)
13th July 2026
17AQI (US)
17AQI (US)
14th July 2026
19AQI (US)
19AQI (US)
15th July 2026
16AQI (US)
16AQI (US)
16th July 2026
16AQI (US)
16AQI (US)
17th July 2026
51AQI (US)
51AQI (US)
18th July 2026
49AQI (US)
49AQI (US)
19th July 2026
44AQI (US)
44AQI (US)
20th July 2026
41AQI (US)
41AQI (US)
21st July 2026
45AQI (US)
45AQI (US)
22nd July 2026
56AQI (US)
56AQI (US)
23rd July 2026
46AQI (US)
46AQI (US)
24th July 2026
46AQI (US)
46AQI (US)
25th July 2026
41AQI (US)
41AQI (US)
26th July 2026
42AQI (US)
42AQI (US)
27th July 2026
41AQI (US)
41AQI (US)
28th July 2026
41AQI (US)
41AQI (US)
29th July 2026
42AQI (US)
42AQI (US)
30th July 2026
50AQI (US)
50AQI (US)
31st July 2026
62AQI (US)
62AQI (US)
1st August 2026
45AQI (US)
45AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
52AQI (US)
52AQI (US)
4th August 2026
54AQI (US)
54AQI (US)
5th August 2026
49AQI (US)
49AQI (US)
6th August 2026
44AQI (US)
44AQI (US)
7th August 2026
46AQI (US)
46AQI (US)
8th August 2026
53AQI (US)
53AQI (US)
9th August 2026
50AQI (US)
50AQI (US)
10th August 2026
53AQI (US)
53AQI (US)
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
35AQI (US)
33AQI (US)
26AQI (US)
22AQI (US)
33AQI (US)
18AQI (US)
32AQI (US)
49AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202629AQI (US)
26
5
28
31
28
26
4
30
28
3
6
4
203
16
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202533AQI (US)
21
10
28
31
30
31
30
30
1
31
27
3
29
2
24
6
13
18
325
40
Highest AQI (US) recorded in
December48AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202432AQI (US)
16
1
12
29
31
31
28
30
1
26
3
1
21
8
2
225
12
3
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202336AQI (US)
1
10
8
3
31
45
8
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202259AQI (US)
1
10
17
2
1
1
1
12
18
3
Highest AQI (US) recorded in
October72AQI (US)
Lowest AQI (US) recorded in
August42AQI (US)
202093AQI (US)
1
2
12
7
3
4
4
2
1
13
10
5
4
4
Highest AQI (US) recorded in
October126AQI (US)
Lowest AQI (US) recorded in
August48AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
93AQI (US)Least Polluted Year Recorded
2026(Avg.)
29AQI (US)Fortuna's annual 2026 AQI (US) (29) shows an average percentage change of -32.1% (improved AQI (US)) compared to previous years: 2020 (93), 2022 (59), 2023 (36), 2024 (32), 2025 (33).
