Yreka, 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
Yreka, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Aug 2023
228AQILowest AQI recorded on
17th Aug 2025
18AQISame Day Analysis (12th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Day & Night AQI Trend: 11th Aug - 12th Aug 2026
Yreka, California, United States
AQI
Day
Night
.
6 AM11th Aug 2026
8 PM
5 AM12th Aug 2026
Day time
Avg. Highest Time
3PM11th Aug
62AQI
Avg. Lowest Time
4PM11th Aug
43AQI
Night time
Avg. Highest Time
4AM12th Aug
70AQI
Avg. Lowest Time
10PM11th Aug
48AQI
In the last 24 hours,
Yreka's AQI reached its highest point of 70 at 4 AM during the Night, while the lowest point, 43, was recorded at 4 PM during the Day between 11th Aug and 12th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yreka, California, United States
JulAug
14th - 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 - 12th12th
Day
Night
14th Jul 2026326 AMAQI
14th Jul 2026377 AMAQI
14th Jul 2026368 AMAQI
14th Jul 2026349 AMAQI
14th Jul 20263610 AMAQI
14th Jul 20263211 AMAQI
14th Jul 20262712 PMAQI
14th Jul 2026331 PMAQI
14th Jul 2026282 PMAQI
14th Jul 2026323 PMAQI
14th Jul 2026324 PMAQI
14th Jul 2026325 PMAQI
14th Jul 2026336 PMAQI
14th Jul 2026267 PMAQI
14th Jul 2026248 PMAQI
14th Jul 2026229 PMAQI
14th Jul 20262210 PMAQI
14th Jul 20262011 PMAQI
15th Jul 20262212 AMAQI
15th Jul 2026251 AMAQI
15th Jul 2026282 AMAQI
15th Jul 2026243 AMAQI
15th Jul 2026274 AMAQI
15th Jul 2026255 AMAQI
27°C17/37°C
15th Jul 2026296 AMAQI
15th Jul 2026277 AMAQI
15th Jul 2026278 AMAQI
15th Jul 2026279 AMAQI
15th Jul 20263110 AMAQI
15th Jul 20263011 AMAQI
15th Jul 20262712 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026302 PMAQI
15th Jul 2026303 PMAQI
15th Jul 2026304 PMAQI
15th Jul 2026305 PMAQI
15th Jul 2026326 PMAQI
15th Jul 2026307 PMAQI
15th Jul 2026298 PMAQI
15th Jul 2026289 PMAQI
15th Jul 20262610 PMAQI
15th Jul 20262511 PMAQI
16th Jul 20262412 AMAQI
16th Jul 2026261 AMAQI
16th Jul 2026302 AMAQI
16th Jul 2026303 AMAQI
16th Jul 2026294 AMAQI
16th Jul 2026305 AMAQI
26°C16/36°C
16th Jul 2026306 AMAQI
16th Jul 2026317 AMAQI
16th Jul 2026318 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263010 AMAQI
16th Jul 20262911 AMAQI
16th Jul 20263012 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026292 PMAQI
16th Jul 2026303 PMAQI
16th Jul 2026274 PMAQI
16th Jul 2026295 PMAQI
16th Jul 2026316 PMAQI
16th Jul 2026297 PMAQI
16th Jul 2026278 PMAQI
16th Jul 2026249 PMAQI
16th Jul 20262610 PMAQI
16th Jul 20262411 PMAQI
17th Jul 20262212 AMAQI
17th Jul 2026221 AMAQI
17th Jul 2026702 AMAQI
17th Jul 2026643 AMAQI
17th Jul 2026684 AMAQI
17th Jul 2026705 AMAQI
21°C12/30°C
17th Jul 2026746 AMAQI
17th Jul 2026667 AMAQI
17th Jul 2026718 AMAQI
17th Jul 2026689 AMAQI
17th Jul 20266810 AMAQI
17th Jul 20267811 AMAQI
17th Jul 20267112 PMAQI
17th Jul 2026711 PMAQI
17th Jul 2026742 PMAQI
17th Jul 2026653 PMAQI
17th Jul 2026684 PMAQI
17th Jul 2026695 PMAQI
17th Jul 2026666 PMAQI
17th Jul 2026707 PMAQI
17th Jul 2026618 PMAQI
17th Jul 2026659 PMAQI
17th Jul 20266110 PMAQI
17th Jul 20266011 PMAQI
18th Jul 20266112 AMAQI
18th Jul 2026621 AMAQI
18th Jul 2026682 AMAQI
18th Jul 2026563 AMAQI
18th Jul 2026644 AMAQI
18th Jul 2026665 AMAQI
23°C13/33°C
18th Jul 2026626 AMAQI
18th Jul 2026687 AMAQI
18th Jul 2026628 AMAQI
18th Jul 2026609 AMAQI
18th Jul 20266710 AMAQI
18th Jul 20267111 AMAQI
18th Jul 20267612 PMAQI
18th Jul 2026701 PMAQI
18th Jul 2026672 PMAQI
18th Jul 2026593 PMAQI
18th Jul 2026664 PMAQI
18th Jul 2026655 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026667 PMAQI
18th Jul 2026698 PMAQI
18th Jul 2026589 PMAQI
18th Jul 20265210 PMAQI
18th Jul 20265411 PMAQI
19th Jul 20265412 AMAQI
19th Jul 2026541 AMAQI
19th Jul 2026522 AMAQI
19th Jul 2026543 AMAQI
19th Jul 2026524 AMAQI
19th Jul 2026505 AMAQI
26°C15/37°C
19th Jul 2026536 AMAQI
19th Jul 2026547 AMAQI
19th Jul 2026548 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20265510 AMAQI
19th Jul 20265911 AMAQI
19th Jul 20266612 PMAQI
19th Jul 2026661 PMAQI
19th Jul 2026622 PMAQI
19th Jul 2026583 PMAQI
19th Jul 2026614 PMAQI
19th Jul 2026625 PMAQI
19th Jul 2026666 PMAQI
19th Jul 2026697 PMAQI
19th Jul 2026678 PMAQI
19th Jul 2026629 PMAQI
19th Jul 20266610 PMAQI
19th Jul 20266811 PMAQI
20th Jul 20266912 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026672 AMAQI
20th Jul 2026683 AMAQI
20th Jul 2026674 AMAQI
20th Jul 2026685 AMAQI
28°C18/37°C
20th Jul 2026536 AMAQI
20th Jul 2026537 AMAQI
20th Jul 2026558 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265910 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20265912 PMAQI
20th Jul 2026611 PMAQI
20th Jul 2026662 PMAQI
20th Jul 2026613 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026595 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026357 PMAQI
20th Jul 2026479 PMAQI
20th Jul 20264410 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20264212 AMAQI
21st Jul 2026641 AMAQI
21st Jul 2026662 AMAQI
21st Jul 2026683 AMAQI
21st Jul 2026644 AMAQI
21st Jul 2026405 AMAQI
29°C22/37°C
21st Jul 2026406 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026449 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264611 AMAQI
21st Jul 20265312 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026542 PMAQI
21st Jul 2026523 PMAQI
21st Jul 2026464 PMAQI
21st Jul 2026495 PMAQI
21st Jul 2026506 PMAQI
21st Jul 2026407 PMAQI
21st Jul 2026508 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265410 PMAQI
21st Jul 20265511 PMAQI
22nd Jul 20265712 AMAQI
22nd Jul 2026451 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026543 AMAQI
22nd Jul 2026464 AMAQI
22nd Jul 2026505 AMAQI
29°C21/38°C
22nd Jul 2026386 AMAQI
22nd Jul 2026397 AMAQI
22nd Jul 2026528 AMAQI
22nd Jul 2026499 AMAQI
22nd Jul 20264110 AMAQI
22nd Jul 20264611 AMAQI
22nd Jul 20265612 PMAQI
22nd Jul 2026741 PMAQI
22nd Jul 2026962 PMAQI
22nd Jul 2026603 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026475 PMAQI
22nd Jul 2026456 PMAQI
22nd Jul 2026697 PMAQI
22nd Jul 2026708 PMAQI
22nd Jul 2026629 PMAQI
22nd Jul 20267610 PMAQI
22nd Jul 20266111 PMAQI
23rd Jul 20265912 AMAQI
23rd Jul 2026391 AMAQI
23rd Jul 2026542 AMAQI
23rd Jul 2026483 AMAQI
23rd Jul 2026624 AMAQI
23rd Jul 2026625 AMAQI
27°C20/36°C
23rd Jul 2026576 AMAQI
23rd Jul 2026587 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026459 AMAQI
23rd Jul 20264910 AMAQI
23rd Jul 20265011 AMAQI
23rd Jul 20264812 PMAQI
23rd Jul 2026561 PMAQI
23rd Jul 2026582 PMAQI
23rd Jul 2026413 PMAQI
23rd Jul 2026344 PMAQI
23rd Jul 2026385 PMAQI
23rd Jul 2026376 PMAQI
23rd Jul 2026307 PMAQI
23rd Jul 2026328 PMAQI
23rd Jul 2026469 PMAQI
23rd Jul 20265810 PMAQI
23rd Jul 20265211 PMAQI
24th Jul 20264012 AMAQI
24th Jul 2026531 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026523 AMAQI
24th Jul 2026444 AMAQI
24th Jul 2026555 AMAQI
24°C14/34°C
24th Jul 2026566 AMAQI
24th Jul 2026507 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026509 AMAQI
24th Jul 20264810 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20264912 PMAQI
24th Jul 2026301 PMAQI
24th Jul 2026482 PMAQI
24th Jul 2026503 PMAQI
24th Jul 2026464 PMAQI
24th Jul 2026425 PMAQI
24th Jul 2026306 PMAQI
24th Jul 2026597 PMAQI
24th Jul 2026638 PMAQI
24th Jul 2026609 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20266011 PMAQI
25th Jul 20265012 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026502 AMAQI
25th Jul 2026413 AMAQI
25th Jul 2026564 AMAQI
25th Jul 2026445 AMAQI
24°C14/35°C
25th Jul 2026456 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026628 AMAQI
25th Jul 2026629 AMAQI
25th Jul 20266210 AMAQI
25th Jul 20265211 AMAQI
25th Jul 20264112 PMAQI
25th Jul 2026641 PMAQI
25th Jul 2026452 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026484 PMAQI
25th Jul 2026525 PMAQI
25th Jul 2026396 PMAQI
25th Jul 2026507 PMAQI
25th Jul 2026568 PMAQI
25th Jul 2026629 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20265011 PMAQI
26th Jul 20264512 AMAQI
26th Jul 2026521 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026483 AMAQI
26th Jul 2026534 AMAQI
26th Jul 2026545 AMAQI
23°C15/33°C
26th Jul 2026516 AMAQI
26th Jul 2026467 AMAQI
26th Jul 2026708 AMAQI
26th Jul 2026669 AMAQI
26th Jul 20265710 AMAQI
26th Jul 20266211 AMAQI
26th Jul 20265412 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026452 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026295 PMAQI
26th Jul 2026406 PMAQI
26th Jul 2026487 PMAQI
26th Jul 2026408 PMAQI
26th Jul 2026569 PMAQI
26th Jul 20266010 PMAQI
26th Jul 20266011 PMAQI
27th Jul 20265812 AMAQI
27th Jul 2026421 AMAQI
27th Jul 2026422 AMAQI
27th Jul 2026403 AMAQI
27th Jul 2026424 AMAQI
27th Jul 2026465 AMAQI
23°C13/33°C
27th Jul 2026506 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20265310 AMAQI
27th Jul 20267011 AMAQI
27th Jul 20266412 PMAQI
27th Jul 2026651 PMAQI
27th Jul 2026662 PMAQI
27th Jul 2026633 PMAQI
27th Jul 2026244 PMAQI
27th Jul 2026335 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026307 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026659 PMAQI
27th Jul 20262410 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20265812 AMAQI
28th Jul 2026421 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026383 AMAQI
28th Jul 2026324 AMAQI
28th Jul 2026495 AMAQI
23°C14/33°C
28th Jul 2026576 AMAQI
28th Jul 2026337 AMAQI
28th Jul 2026518 AMAQI
28th Jul 2026719 AMAQI
28th Jul 20267210 AMAQI
28th Jul 20266511 AMAQI
28th Jul 20266012 PMAQI
28th Jul 2026561 PMAQI
28th Jul 2026542 PMAQI
28th Jul 2026613 PMAQI
28th Jul 2026424 PMAQI
28th Jul 2026345 PMAQI
28th Jul 2026526 PMAQI
28th Jul 2026547 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026529 PMAQI
28th Jul 20265110 PMAQI
28th Jul 20265411 PMAQI
29th Jul 20264812 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026432 AMAQI
29th Jul 2026543 AMAQI
29th Jul 2026504 AMAQI
29th Jul 2026565 AMAQI
24°C15/33°C
29th Jul 2026546 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026448 AMAQI
29th Jul 2026429 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20265412 PMAQI
29th Jul 2026381 PMAQI
29th Jul 2026462 PMAQI
29th Jul 2026303 PMAQI
29th Jul 2026414 PMAQI
29th Jul 2026295 PMAQI
29th Jul 2026346 PMAQI
29th Jul 2026567 PMAQI
29th Jul 2026428 PMAQI
29th Jul 2026419 PMAQI
29th Jul 20266210 PMAQI
29th Jul 20264711 PMAQI
30th Jul 20264012 AMAQI
30th Jul 2026451 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026544 AMAQI
30th Jul 2026565 AMAQI
24°C15/34°C
30th Jul 2026676 AMAQI
30th Jul 2026607 AMAQI
30th Jul 2026618 AMAQI
30th Jul 2026679 AMAQI
30th Jul 20265010 AMAQI
30th Jul 20265211 AMAQI
30th Jul 20264812 PMAQI
30th Jul 2026481 PMAQI
30th Jul 2026562 PMAQI
30th Jul 2026673 PMAQI
30th Jul 2026574 PMAQI
30th Jul 2026585 PMAQI
30th Jul 2026626 PMAQI
30th Jul 2026607 PMAQI
30th Jul 2026508 PMAQI
30th Jul 2026589 PMAQI
30th Jul 20265710 PMAQI
30th Jul 20266011 PMAQI
31st Jul 20265812 AMAQI
31st Jul 2026621 AMAQI
31st Jul 2026572 AMAQI
31st Jul 2026543 AMAQI
31st Jul 2026444 AMAQI
31st Jul 2026545 AMAQI
23°C13/34°C
31st Jul 2026546 AMAQI
31st Jul 2026427 AMAQI
31st Jul 2026468 AMAQI
31st Jul 2026489 AMAQI
31st Jul 20263610 AMAQI
31st Jul 20265211 AMAQI
31st Jul 20265212 PMAQI
31st Jul 2026481 PMAQI
31st Jul 2026582 PMAQI
31st Jul 2026543 PMAQI
31st Jul 2026404 PMAQI
31st Jul 2026415 PMAQI
31st Jul 2026366 PMAQI
31st Jul 2026447 PMAQI
31st Jul 2026488 PMAQI
31st Jul 2026429 PMAQI
31st Jul 20264710 PMAQI
31st Jul 20265411 PMAQI
1st Aug 20265512 AMAQI
1st Aug 2026311 AMAQI
1st Aug 2026372 AMAQI
1st Aug 2026553 AMAQI
1st Aug 2026494 AMAQI
1st Aug 2026465 AMAQI
26°C16/36°C
1st Aug 2026416 AMAQI
1st Aug 2026507 AMAQI
1st Aug 2026538 AMAQI
1st Aug 2026639 AMAQI
1st Aug 20265010 AMAQI
1st Aug 20264611 AMAQI
1st Aug 20264312 PMAQI
1st Aug 2026521 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026434 PMAQI
1st Aug 2026345 PMAQI
1st Aug 2026386 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026388 PMAQI
1st Aug 2026329 PMAQI
1st Aug 20264310 PMAQI
1st Aug 20264411 PMAQI
2nd Aug 20264812 AMAQI
2nd Aug 2026381 AMAQI
2nd Aug 2026442 AMAQI
2nd Aug 2026443 AMAQI
2nd Aug 2026464 AMAQI
2nd Aug 2026465 AMAQI
25°C16/34°C
2nd Aug 2026426 AMAQI
2nd Aug 2026427 AMAQI
2nd Aug 2026468 AMAQI
2nd Aug 2026549 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20265211 AMAQI
2nd Aug 20265012 PMAQI
2nd Aug 2026531 PMAQI
2nd Aug 2026532 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026514 PMAQI
2nd Aug 2026425 PMAQI
2nd Aug 2026376 PMAQI
2nd Aug 2026407 PMAQI
2nd Aug 2026428 PMAQI
2nd Aug 2026529 PMAQI
2nd Aug 20265110 PMAQI
2nd Aug 20265111 PMAQI
3rd Aug 20265312 AMAQI
3rd Aug 2026471 AMAQI
3rd Aug 2026532 AMAQI
3rd Aug 2026553 AMAQI
3rd Aug 2026544 AMAQI
3rd Aug 2026465 AMAQI
25°C16/34°C
3rd Aug 2026526 AMAQI
3rd Aug 2026487 AMAQI
3rd Aug 2026458 AMAQI
3rd Aug 2026449 AMAQI
3rd Aug 20264910 AMAQI
3rd Aug 20265911 AMAQI
3rd Aug 20266012 PMAQI
3rd Aug 2026601 PMAQI
3rd Aug 2026532 PMAQI
3rd Aug 2026523 PMAQI
3rd Aug 2026544 PMAQI
3rd Aug 2026535 PMAQI
3rd Aug 2026486 PMAQI
3rd Aug 2026487 PMAQI
3rd Aug 2026478 PMAQI
3rd Aug 2026479 PMAQI
3rd Aug 20264910 PMAQI
3rd Aug 20264511 PMAQI
4th Aug 20264412 AMAQI
4th Aug 2026451 AMAQI
4th Aug 2026512 AMAQI
4th Aug 2026533 AMAQI
4th Aug 2026494 AMAQI
4th Aug 2026515 AMAQI
28°C18/39°C
4th Aug 2026516 AMAQI
4th Aug 2026517 AMAQI
4th Aug 2026538 AMAQI
4th Aug 2026539 AMAQI
4th Aug 20265210 AMAQI
4th Aug 20265011 AMAQI
4th Aug 20265412 PMAQI
4th Aug 2026561 PMAQI
4th Aug 2026552 PMAQI
4th Aug 2026553 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026545 PMAQI
4th Aug 2026526 PMAQI
4th Aug 2026477 PMAQI
4th Aug 2026538 PMAQI
4th Aug 2026519 PMAQI
4th Aug 20265010 PMAQI
4th Aug 20265311 PMAQI
5th Aug 20265612 AMAQI
5th Aug 2026551 AMAQI
5th Aug 2026562 AMAQI
5th Aug 2026553 AMAQI
5th Aug 2026584 AMAQI
5th Aug 2026585 AMAQI
31°C21/40°C
5th Aug 2026576 AMAQI
5th Aug 2026577 AMAQI
5th Aug 2026558 AMAQI
5th Aug 2026599 AMAQI
5th Aug 20266010 AMAQI
5th Aug 20266511 AMAQI
5th Aug 20266612 PMAQI
5th Aug 2026661 PMAQI
5th Aug 2026652 PMAQI
5th Aug 2026613 PMAQI
5th Aug 2026494 PMAQI
5th Aug 2026475 PMAQI
5th Aug 2026446 PMAQI
5th Aug 2026437 PMAQI
5th Aug 2026428 PMAQI
5th Aug 2026499 PMAQI
5th Aug 20265410 PMAQI
5th Aug 20265311 PMAQI
6th Aug 20264812 AMAQI
6th Aug 2026631 AMAQI
6th Aug 2026612 AMAQI
6th Aug 2026663 AMAQI
6th Aug 2026664 AMAQI
6th Aug 2026695 AMAQI
31°C22/41°C
6th Aug 2026686 AMAQI
6th Aug 2026627 AMAQI
6th Aug 2026718 AMAQI
6th Aug 2026719 AMAQI
6th Aug 20267010 AMAQI
6th Aug 20267111 AMAQI
6th Aug 20266912 PMAQI
6th Aug 2026731 PMAQI
6th Aug 2026652 PMAQI
6th Aug 2026463 PMAQI
6th Aug 2026554 PMAQI
6th Aug 2026565 PMAQI
6th Aug 2026546 PMAQI
6th Aug 2026507 PMAQI
6th Aug 2026488 PMAQI
6th Aug 2026489 PMAQI
6th Aug 20265710 PMAQI
6th Aug 20265611 PMAQI
7th Aug 20265512 AMAQI
7th Aug 2026481 AMAQI
7th Aug 2026582 AMAQI
7th Aug 2026733 AMAQI
7th Aug 2026654 AMAQI
7th Aug 2026675 AMAQI
30°C21/40°C
7th Aug 2026716 AMAQI
7th Aug 2026787 AMAQI
7th Aug 2026688 AMAQI
7th Aug 2026689 AMAQI
7th Aug 20267010 AMAQI
7th Aug 20267211 AMAQI
7th Aug 20267112 PMAQI
7th Aug 2026701 PMAQI
7th Aug 2026722 PMAQI
7th Aug 2026663 PMAQI
7th Aug 2026644 PMAQI
7th Aug 2026485 PMAQI
7th Aug 2026646 PMAQI
7th Aug 2026607 PMAQI
7th Aug 2026598 PMAQI
7th Aug 2026629 PMAQI
7th Aug 20265810 PMAQI
7th Aug 20265611 PMAQI
8th Aug 20265812 AMAQI
8th Aug 2026501 AMAQI
8th Aug 2026492 AMAQI
8th Aug 2026513 AMAQI
8th Aug 2026494 AMAQI
8th Aug 2026485 AMAQI
30°C20/40°C
8th Aug 2026666 AMAQI
8th Aug 2026667 AMAQI
8th Aug 2026708 AMAQI
8th Aug 2026699 AMAQI
8th Aug 20266810 AMAQI
8th Aug 20266511 AMAQI
8th Aug 20266012 PMAQI
8th Aug 2026611 PMAQI
8th Aug 2026602 PMAQI
8th Aug 2026443 PMAQI
8th Aug 2026444 PMAQI
8th Aug 2026445 PMAQI
8th Aug 2026506 PMAQI
8th Aug 2026547 PMAQI
8th Aug 2026468 PMAQI
8th Aug 2026459 PMAQI
8th Aug 20266010 PMAQI
8th Aug 20264011 PMAQI
9th Aug 20264512 AMAQI
9th Aug 2026461 AMAQI
9th Aug 2026472 AMAQI
9th Aug 2026423 AMAQI
9th Aug 2026424 AMAQI
9th Aug 2026465 AMAQI
30°C20/40°C
9th Aug 2026426 AMAQI
9th Aug 2026467 AMAQI
9th Aug 2026468 AMAQI
9th Aug 2026549 AMAQI
9th Aug 20264910 AMAQI
9th Aug 20265411 AMAQI
9th Aug 20265912 PMAQI
9th Aug 2026601 PMAQI
9th Aug 2026642 PMAQI
9th Aug 2026593 PMAQI
9th Aug 2026574 PMAQI
9th Aug 2026535 PMAQI
9th Aug 2026486 PMAQI
9th Aug 2026597 PMAQI
9th Aug 2026588 PMAQI
9th Aug 2026599 PMAQI
9th Aug 20263910 PMAQI
9th Aug 20266411 PMAQI
10th Aug 20264812 AMAQI
10th Aug 2026481 AMAQI
10th Aug 2026502 AMAQI
10th Aug 2026443 AMAQI
10th Aug 2026484 AMAQI
10th Aug 2026465 AMAQI
29°C20/39°C
10th Aug 2026496 AMAQI
10th Aug 2026507 AMAQI
10th Aug 2026588 AMAQI
10th Aug 2026479 AMAQI
10th Aug 20265610 AMAQI
10th Aug 20265211 AMAQI
10th Aug 20265912 PMAQI
10th Aug 2026471 PMAQI
10th Aug 2026742 PMAQI
10th Aug 2026763 PMAQI
10th Aug 2026784 PMAQI
10th Aug 2026835 PMAQI
10th Aug 2026816 PMAQI
10th Aug 2026867 PMAQI
10th Aug 2026748 PMAQI
10th Aug 2026619 PMAQI
10th Aug 20265510 PMAQI
10th Aug 20264811 PMAQI
11th Aug 20264512 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026423 AMAQI
11th Aug 2026524 AMAQI
11th Aug 2026435 AMAQI
29°C19/39°C
11th Aug 2026446 AMAQI
11th Aug 2026497 AMAQI
11th Aug 2026518 AMAQI
11th Aug 2026479 AMAQI
11th Aug 20265010 AMAQI
11th Aug 20264811 AMAQI
11th Aug 20265712 PMAQI
11th Aug 2026561 PMAQI
11th Aug 2026482 PMAQI
11th Aug 2026623 PMAQI
11th Aug 2026434 PMAQI
11th Aug 2026505 PMAQI
11th Aug 2026546 PMAQI
11th Aug 2026567 PMAQI
11th Aug 2026568 PMAQI
11th Aug 2026519 PMAQI
11th Aug 20264810 PMAQI
11th Aug 20265811 PMAQI
12th Aug 20265612 AMAQI
12th Aug 2026611 AMAQI
12th Aug 2026682 AMAQI
12th Aug 2026693 AMAQI
12th Aug 2026704 AMAQI
12th Aug 2026695 AMAQI
28°C19/37°C
12th Aug 2026726 AMAQI
6 AM12th Aug 2026737 AMAQI
12th Aug 2026718 AMAQI
12th Aug 2026769 AMAQI
12th Aug 20267910 AMAQI
12th Aug 20266611 AMAQI
12th Aug 20267012 PMAQI
12th Aug 2026541 PMAQI
1 PM12th Aug 2026522 PMAQI
12th Aug 2026453 PMAQI
12th Aug 2026404 PMAQI
12th Aug 2026445 PMAQI
12th Aug 2026466 PMAQI
12th Aug 2026467 PMAQI
12th Aug 2026428 PMAQI
8 PM12th Aug 2026529 PMAQI
12th Aug 20265110 PMAQI
12th Aug 20264511 PMAQI
1 AM
5 AM
26°C18/35°C
Day time
Avg. Highest Time
2 PM
57AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
4 PM - 6 PM
47AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 57), while the lowest AQI was between 4 PM to 6 PM (Avg. 47).
Night time
Avg. Highest Time
2 AM - 11 PM
51AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
12 AM - 1 AM
48AQI
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. 51), while the lowest AQI was between 12 AM to 1 AM (Avg. 48).
2026 Days Vs Air Quality
Yreka, California, United States
2026
90%
198
10%
23
Total number of days with different AQI categories in last 224 days in 2026 (141 days remaining)
Good
198 DaysModerate
23 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 224 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
Yreka, 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
41AQI (US)
41AQI (US)
2nd January 2026
20AQI (US)
20AQI (US)
3rd January 2026
11AQI (US)
11AQI (US)
4th January 2026
10AQI (US)
10AQI (US)
5th January 2026
20AQI (US)
20AQI (US)
6th January 2026
28AQI (US)
28AQI (US)
7th January 2026
23AQI (US)
23AQI (US)
8th January 2026
20AQI (US)
20AQI (US)
9th January 2026
28AQI (US)
28AQI (US)
10th January 2026
34AQI (US)
34AQI (US)
11th January 2026
34AQI (US)
34AQI (US)
12th January 2026
37AQI (US)
37AQI (US)
13th January 2026
38AQI (US)
38AQI (US)
14th January 2026
40AQI (US)
40AQI (US)
15th January 2026
43AQI (US)
43AQI (US)
16th January 2026
41AQI (US)
41AQI (US)
17th January 2026
38AQI (US)
38AQI (US)
18th January 2026
44AQI (US)
44AQI (US)
19th January 2026
40AQI (US)
40AQI (US)
20th January 2026
39AQI (US)
39AQI (US)
21st January 2026
44AQI (US)
44AQI (US)
22nd January 2026
51AQI (US)
51AQI (US)
23rd January 2026
53AQI (US)
53AQI (US)
24th January 2026
48AQI (US)
48AQI (US)
25th January 2026
46AQI (US)
46AQI (US)
26th January 2026
45AQI (US)
45AQI (US)
27th January 2026
40AQI (US)
40AQI (US)
28th January 2026
44AQI (US)
44AQI (US)
29th January 2026
51AQI (US)
51AQI (US)
30th January 2026
52AQI (US)
52AQI (US)
31st January 2026
42AQI (US)
42AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
47AQI (US)
47AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
46AQI (US)
46AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
40AQI (US)
40AQI (US)
8th February 2026
44AQI (US)
44AQI (US)
9th February 2026
45AQI (US)
45AQI (US)
10th February 2026
42AQI (US)
42AQI (US)
11th February 2026
37AQI (US)
37AQI (US)
12th February 2026
37AQI (US)
37AQI (US)
13th February 2026
40AQI (US)
40AQI (US)
14th February 2026
40AQI (US)
40AQI (US)
15th February 2026
39AQI (US)
39AQI (US)
16th February 2026
39AQI (US)
39AQI (US)
17th February 2026
41AQI (US)
41AQI (US)
18th February 2026
41AQI (US)
41AQI (US)
19th February 2026
38AQI (US)
38AQI (US)
20th February 2026
38AQI (US)
38AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
38AQI (US)
38AQI (US)
24th February 2026
40AQI (US)
40AQI (US)
25th February 2026
38AQI (US)
38AQI (US)
26th February 2026
30AQI (US)
30AQI (US)
27th February 2026
28AQI (US)
28AQI (US)
28th February 2026
31AQI (US)
31AQI (US)
1st March 2026
41AQI (US)
41AQI (US)
2nd March 2026
53AQI (US)
53AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
42AQI (US)
42AQI (US)
5th March 2026
33AQI (US)
33AQI (US)
6th March 2026
28AQI (US)
28AQI (US)
7th March 2026
32AQI (US)
32AQI (US)
8th March 2026
34AQI (US)
34AQI (US)
9th March 2026
30AQI (US)
30AQI (US)
10th March 2026
28AQI (US)
28AQI (US)
11th March 2026
36AQI (US)
36AQI (US)
12th March 2026
36AQI (US)
36AQI (US)
13th March 2026
36AQI (US)
36AQI (US)
14th March 2026
32AQI (US)
32AQI (US)
15th March 2026
29AQI (US)
29AQI (US)
16th March 2026
32AQI (US)
32AQI (US)
17th March 2026
32AQI (US)
32AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
33AQI (US)
33AQI (US)
20th March 2026
38AQI (US)
38AQI (US)
21st March 2026
34AQI (US)
34AQI (US)
22nd March 2026
34AQI (US)
34AQI (US)
23rd March 2026
38AQI (US)
38AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
31AQI (US)
31AQI (US)
27th March 2026
33AQI (US)
33AQI (US)
28th March 2026
32AQI (US)
32AQI (US)
29th March 2026
27AQI (US)
27AQI (US)
30th March 2026
26AQI (US)
26AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
30AQI (US)
30AQI (US)
2nd April 2026
26AQI (US)
26AQI (US)
3rd April 2026
25AQI (US)
25AQI (US)
4th April 2026
27AQI (US)
27AQI (US)
5th April 2026
26AQI (US)
26AQI (US)
6th April 2026
28AQI (US)
28AQI (US)
7th April 2026
27AQI (US)
27AQI (US)
8th April 2026
36AQI (US)
36AQI (US)
9th April 2026
30AQI (US)
30AQI (US)
10th April 2026
31AQI (US)
31AQI (US)
11th April 2026
32AQI (US)
32AQI (US)
12th April 2026
28AQI (US)
28AQI (US)
13th April 2026
32AQI (US)
32AQI (US)
14th April 2026
33AQI (US)
33AQI (US)
15th April 2026
30AQI (US)
30AQI (US)
16th April 2026
30AQI (US)
30AQI (US)
17th April 2026
18th April 2026
31AQI (US)
31AQI (US)
19th April 2026
32AQI (US)
32AQI (US)
20th April 2026
29AQI (US)
29AQI (US)
21st April 2026
29AQI (US)
29AQI (US)
22nd April 2026
23rd April 2026
26AQI (US)
26AQI (US)
24th April 2026
27AQI (US)
27AQI (US)
25th April 2026
30AQI (US)
30AQI (US)
26th April 2026
34AQI (US)
34AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
24AQI (US)
24AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
26AQI (US)
26AQI (US)
1st May 2026
26AQI (US)
26AQI (US)
2nd May 2026
24AQI (US)
24AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
31AQI (US)
31AQI (US)
5th May 2026
34AQI (US)
34AQI (US)
6th May 2026
26AQI (US)
26AQI (US)
7th May 2026
25AQI (US)
25AQI (US)
8th May 2026
27AQI (US)
27AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
28AQI (US)
28AQI (US)
12th May 2026
30AQI (US)
30AQI (US)
13th May 2026
26AQI (US)
26AQI (US)
14th May 2026
26AQI (US)
26AQI (US)
15th May 2026
40AQI (US)
40AQI (US)
16th May 2026
42AQI (US)
42AQI (US)
17th May 2026
44AQI (US)
44AQI (US)
18th May 2026
42AQI (US)
42AQI (US)
19th May 2026
38AQI (US)
38AQI (US)
20th May 2026
36AQI (US)
36AQI (US)
21st May 2026
33AQI (US)
33AQI (US)
22nd May 2026
36AQI (US)
36AQI (US)
23rd May 2026
36AQI (US)
36AQI (US)
24th May 2026
33AQI (US)
33AQI (US)
25th May 2026
31AQI (US)
31AQI (US)
26th May 2026
27AQI (US)
27AQI (US)
27th May 2026
28AQI (US)
28AQI (US)
28th May 2026
27AQI (US)
27AQI (US)
29th May 2026
26AQI (US)
26AQI (US)
30th May 2026
28AQI (US)
28AQI (US)
31st May 2026
29AQI (US)
29AQI (US)
1st June 2026
31AQI (US)
31AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
30AQI (US)
30AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
28AQI (US)
28AQI (US)
6th June 2026
25AQI (US)
25AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
26AQI (US)
26AQI (US)
10th June 2026
24AQI (US)
24AQI (US)
11th June 2026
27AQI (US)
27AQI (US)
12th June 2026
27AQI (US)
27AQI (US)
13th June 2026
25AQI (US)
25AQI (US)
14th June 2026
24AQI (US)
24AQI (US)
15th June 2026
26AQI (US)
26AQI (US)
16th June 2026
27AQI (US)
27AQI (US)
17th June 2026
28AQI (US)
28AQI (US)
18th June 2026
26AQI (US)
26AQI (US)
19th June 2026
25AQI (US)
25AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
25AQI (US)
25AQI (US)
23rd June 2026
24AQI (US)
24AQI (US)
24th June 2026
24AQI (US)
24AQI (US)
25th June 2026
24AQI (US)
24AQI (US)
26th June 2026
27AQI (US)
27AQI (US)
27th June 2026
29AQI (US)
29AQI (US)
28th June 2026
27AQI (US)
27AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
27AQI (US)
27AQI (US)
1st July 2026
26AQI (US)
26AQI (US)
2nd July 2026
27AQI (US)
27AQI (US)
3rd July 2026
28AQI (US)
28AQI (US)
4th July 2026
25AQI (US)
25AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
30AQI (US)
30AQI (US)
8th July 2026
27AQI (US)
27AQI (US)
9th July 2026
29AQI (US)
29AQI (US)
10th July 2026
32AQI (US)
32AQI (US)
11th July 2026
30AQI (US)
30AQI (US)
12th July 2026
29AQI (US)
29AQI (US)
13th July 2026
30AQI (US)
30AQI (US)
14th July 2026
30AQI (US)
30AQI (US)
15th July 2026
28AQI (US)
28AQI (US)
16th July 2026
28AQI (US)
28AQI (US)
17th July 2026
64AQI (US)
64AQI (US)
18th July 2026
64AQI (US)
64AQI (US)
19th July 2026
59AQI (US)
59AQI (US)
20th July 2026
57AQI (US)
57AQI (US)
21st July 2026
50AQI (US)
50AQI (US)
22nd July 2026
55AQI (US)
55AQI (US)
23rd July 2026
48AQI (US)
48AQI (US)
24th July 2026
50AQI (US)
50AQI (US)
25th July 2026
52AQI (US)
52AQI (US)
26th July 2026
51AQI (US)
51AQI (US)
27th July 2026
47AQI (US)
47AQI (US)
28th July 2026
52AQI (US)
52AQI (US)
29th July 2026
45AQI (US)
45AQI (US)
30th July 2026
55AQI (US)
55AQI (US)
31st July 2026
49AQI (US)
49AQI (US)
1st August 2026
45AQI (US)
45AQI (US)
2nd August 2026
47AQI (US)
47AQI (US)
3rd August 2026
51AQI (US)
51AQI (US)
4th August 2026
52AQI (US)
52AQI (US)
5th August 2026
55AQI (US)
55AQI (US)
6th August 2026
61AQI (US)
61AQI (US)
7th August 2026
64AQI (US)
64AQI (US)
8th August 2026
55AQI (US)
55AQI (US)
9th August 2026
52AQI (US)
52AQI (US)
10th August 2026
59AQI (US)
59AQI (US)
11th August 2026
50AQI (US)
50AQI (US)
12th August 2026
59AQI (US)
59AQI (US)
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
37AQI (US)
40AQI (US)
34AQI (US)
29AQI (US)
31AQI (US)
26AQI (US)
40AQI (US)
54AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202635AQI (US)
27
4
28
30
1
28
30
30
22
9
3
9
198
23
Highest AQI (US) recorded in
August54AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202532AQI (US)
21
10
28
31
30
31
30
31
31
27
3
30
1
26
4
26
5
342
23
Highest AQI (US) recorded in
January44AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202430AQI (US)
16
1
2
12
29
30
1
29
2
28
31
29
1
20
11
227
15
Highest AQI (US) recorded in
December45AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202363AQI (US)
1
2
6
5
14
10
5
1
16
1
3
31
64
12
7
6
6
Highest AQI (US) recorded in
August176AQI (US)
Lowest AQI (US) recorded in
December27AQI (US)
202235AQI (US)
25
4
16
6
31
14
1
1
21
7
1
30
1
5
1
143
20
1
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
April27AQI (US)
202152AQI (US)
18
13
19
8
2
1
19
8
4
6
9
8
6
13
7
6
4
31
30
24
7
162
53
18
10
Highest AQI (US) recorded in
August102AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
202087AQI (US)
2
2
5
7
6
6
4
2
2
7
6
14
17
28
32
8
6
4
2
Highest AQI (US) recorded in
September137AQI (US)
Lowest AQI (US) recorded in
November51AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2020(Avg.)
87AQI (US)Least Polluted Year Recorded
2024(Avg.)
30AQI (US)Yreka's annual 2026 AQI (US) (35) shows an average percentage change of -18.4% (improved AQI (US)) compared to previous years: 2020 (87), 2021 (52), 2022 (35), 2023 (63), 2024 (30), 2025 (32).
