Etna, 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
Etna, Yreka, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
28th Aug 2023
209AQILowest AQI recorded on
24th Aug 2024
20AQISame Day Analysis (16th 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: 15th Aug - 16th Aug 2026
Etna, Yreka, California, United States
AQI
Day
Night
.
6 AM15th Aug 2026
8 PM
5 AM16th Aug 2026
Day time
Avg. Highest Time
10AM15th Aug
54AQI
Avg. Lowest Time
8AM15th Aug
37AQI
Night time
Avg. Highest Time
1AM16th Aug
64AQI
Avg. Lowest Time
9PM15th Aug
48AQI
In the last 24 hours,
Etna's AQI reached its highest point of 64 at 1 AM during the Night, while the lowest point, 37, was recorded at 8 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Etna, Yreka, California, United States
JulAug
18th - 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 - 13th13th - 14th14th - 15th15th - 16th16th
Day
Night
18th Jul 2026586 AMAQI
18th Jul 2026677 AMAQI
18th Jul 2026648 AMAQI
18th Jul 2026629 AMAQI
18th Jul 20266610 AMAQI
18th Jul 20266711 AMAQI
18th Jul 20267812 PMAQI
18th Jul 2026711 PMAQI
18th Jul 2026662 PMAQI
18th Jul 2026603 PMAQI
18th Jul 2026674 PMAQI
18th Jul 2026655 PMAQI
18th Jul 2026586 PMAQI
18th Jul 2026647 PMAQI
18th Jul 2026758 PMAQI
18th Jul 2026559 PMAQI
18th Jul 20265110 PMAQI
18th Jul 20265311 PMAQI
19th Jul 20265512 AMAQI
19th Jul 2026551 AMAQI
19th Jul 2026532 AMAQI
19th Jul 2026563 AMAQI
19th Jul 2026534 AMAQI
19th Jul 2026515 AMAQI
25°C15/34°C
19th Jul 2026556 AMAQI
19th Jul 2026557 AMAQI
19th Jul 2026568 AMAQI
19th Jul 2026539 AMAQI
19th Jul 20265710 AMAQI
19th Jul 20265911 AMAQI
19th Jul 20266712 PMAQI
19th Jul 2026691 PMAQI
19th Jul 2026632 PMAQI
19th Jul 2026573 PMAQI
19th Jul 2026584 PMAQI
19th Jul 2026555 PMAQI
19th Jul 2026626 PMAQI
19th Jul 2026707 PMAQI
19th Jul 2026668 PMAQI
19th Jul 2026609 PMAQI
19th Jul 20266410 PMAQI
19th Jul 20266711 PMAQI
20th Jul 20266812 AMAQI
20th Jul 2026711 AMAQI
20th Jul 2026692 AMAQI
20th Jul 2026693 AMAQI
20th Jul 2026684 AMAQI
20th Jul 2026705 AMAQI
26°C16/35°C
20th Jul 2026516 AMAQI
20th Jul 2026547 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265710 AMAQI
20th Jul 20265411 AMAQI
20th Jul 20266212 PMAQI
20th Jul 2026621 PMAQI
20th Jul 2026652 PMAQI
20th Jul 2026593 PMAQI
20th Jul 2026514 PMAQI
20th Jul 2026575 PMAQI
20th Jul 2026466 PMAQI
20th Jul 2026427 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20266212 AMAQI
21st Jul 2026621 AMAQI
21st Jul 2026662 AMAQI
21st Jul 2026683 AMAQI
21st Jul 2026624 AMAQI
21st Jul 2026425 AMAQI
26°C22/33°C
21st Jul 2026426 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026448 AMAQI
21st Jul 2026449 AMAQI
21st Jul 20264210 AMAQI
21st Jul 20264411 AMAQI
21st Jul 20265112 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026533 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026585 PMAQI
21st Jul 2026536 PMAQI
21st Jul 2026467 PMAQI
21st Jul 2026608 PMAQI
21st Jul 2026609 PMAQI
21st Jul 20265810 PMAQI
21st Jul 20265811 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026461 AMAQI
22nd Jul 2026422 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026444 AMAQI
22nd Jul 2026585 AMAQI
26°C18/35°C
22nd Jul 2026226 AMAQI
22nd Jul 2026457 AMAQI
22nd Jul 2026608 AMAQI
22nd Jul 2026609 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20265111 AMAQI
22nd Jul 20265412 PMAQI
22nd Jul 2026521 PMAQI
22nd Jul 2026502 PMAQI
22nd Jul 2026523 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026465 PMAQI
22nd Jul 2026336 PMAQI
22nd Jul 2026757 PMAQI
22nd Jul 2026658 PMAQI
22nd Jul 2026459 PMAQI
22nd Jul 20267510 PMAQI
22nd Jul 20266011 PMAQI
23rd Jul 20266912 AMAQI
23rd Jul 2026451 AMAQI
23rd Jul 2026712 AMAQI
23rd Jul 2026683 AMAQI
23rd Jul 2026704 AMAQI
23rd Jul 2026765 AMAQI
26°C19/32°C
23rd Jul 2026726 AMAQI
23rd Jul 2026747 AMAQI
23rd Jul 2026738 AMAQI
23rd Jul 2026829 AMAQI
23rd Jul 20266210 AMAQI
23rd Jul 20267611 AMAQI
23rd Jul 20266912 PMAQI
23rd Jul 2026731 PMAQI
23rd Jul 2026742 PMAQI
23rd Jul 2026643 PMAQI
23rd Jul 2026474 PMAQI
23rd Jul 2026365 PMAQI
23rd Jul 2026486 PMAQI
23rd Jul 2026287 PMAQI
23rd Jul 2026468 PMAQI
23rd Jul 2026589 PMAQI
23rd Jul 20266710 PMAQI
23rd Jul 20265411 PMAQI
24th Jul 20264412 AMAQI
24th Jul 2026541 AMAQI
24th Jul 2026542 AMAQI
24th Jul 2026543 AMAQI
24th Jul 2026544 AMAQI
24th Jul 2026545 AMAQI
25°C14/34°C
24th Jul 2026566 AMAQI
24th Jul 2026567 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026589 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026421 PMAQI
24th Jul 2026562 PMAQI
24th Jul 2026543 PMAQI
24th Jul 2026634 PMAQI
24th Jul 2026495 PMAQI
24th Jul 2026296 PMAQI
24th Jul 2026567 PMAQI
24th Jul 2026638 PMAQI
24th Jul 2026629 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20266311 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026512 AMAQI
25th Jul 2026403 AMAQI
25th Jul 2026564 AMAQI
25th Jul 2026465 AMAQI
25°C15/35°C
25th Jul 2026466 AMAQI
25th Jul 2026447 AMAQI
25th Jul 2026608 AMAQI
25th Jul 2026609 AMAQI
25th Jul 20266710 AMAQI
25th Jul 20265111 AMAQI
25th Jul 20264412 PMAQI
25th Jul 2026661 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026653 PMAQI
25th Jul 2026584 PMAQI
25th Jul 2026645 PMAQI
25th Jul 2026696 PMAQI
25th Jul 2026687 PMAQI
25th Jul 2026658 PMAQI
25th Jul 2026649 PMAQI
25th Jul 20265010 PMAQI
25th Jul 20265811 PMAQI
26th Jul 20264012 AMAQI
26th Jul 2026561 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026524 AMAQI
26th Jul 2026535 AMAQI
24°C15/32°C
26th Jul 2026526 AMAQI
26th Jul 2026447 AMAQI
26th Jul 2026768 AMAQI
26th Jul 2026689 AMAQI
26th Jul 20264410 AMAQI
26th Jul 20266011 AMAQI
26th Jul 20266612 PMAQI
26th Jul 2026491 PMAQI
26th Jul 2026402 PMAQI
26th Jul 2026543 PMAQI
26th Jul 2026574 PMAQI
26th Jul 2026255 PMAQI
26th Jul 2026456 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026569 PMAQI
26th Jul 20266010 PMAQI
26th Jul 20265811 PMAQI
27th Jul 20266212 AMAQI
27th Jul 2026381 AMAQI
27th Jul 2026402 AMAQI
27th Jul 2026403 AMAQI
27th Jul 2026444 AMAQI
27th Jul 2026485 AMAQI
23°C12/32°C
27th Jul 2026526 AMAQI
27th Jul 2026527 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20267110 AMAQI
27th Jul 20267411 AMAQI
27th Jul 20266812 PMAQI
27th Jul 2026641 PMAQI
27th Jul 2026692 PMAQI
27th Jul 2026633 PMAQI
27th Jul 2026224 PMAQI
27th Jul 2026345 PMAQI
27th Jul 2026336 PMAQI
27th Jul 2026257 PMAQI
27th Jul 2026288 PMAQI
27th Jul 2026649 PMAQI
27th Jul 20262110 PMAQI
27th Jul 20266311 PMAQI
28th Jul 20265812 AMAQI
28th Jul 2026551 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026463 AMAQI
28th Jul 2026504 AMAQI
28th Jul 2026635 AMAQI
23°C14/33°C
28th Jul 2026606 AMAQI
28th Jul 2026547 AMAQI
28th Jul 2026498 AMAQI
28th Jul 2026769 AMAQI
28th Jul 20268110 AMAQI
28th Jul 20267111 AMAQI
28th Jul 20267112 PMAQI
28th Jul 2026631 PMAQI
28th Jul 2026542 PMAQI
28th Jul 2026563 PMAQI
28th Jul 2026384 PMAQI
28th Jul 2026225 PMAQI
28th Jul 2026566 PMAQI
28th Jul 2026527 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026559 PMAQI
28th Jul 20265210 PMAQI
28th Jul 20265411 PMAQI
29th Jul 20265212 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026543 AMAQI
29th Jul 2026504 AMAQI
29th Jul 2026585 AMAQI
23°C15/32°C
29th Jul 2026586 AMAQI
29th Jul 2026387 AMAQI
29th Jul 2026408 AMAQI
29th Jul 2026409 AMAQI
29th Jul 20264210 AMAQI
29th Jul 20264011 AMAQI
29th Jul 20265412 PMAQI
29th Jul 2026401 PMAQI
29th Jul 2026382 PMAQI
29th Jul 2026293 PMAQI
29th Jul 2026484 PMAQI
29th Jul 2026365 PMAQI
29th Jul 2026316 PMAQI
29th Jul 2026607 PMAQI
29th Jul 2026458 PMAQI
29th Jul 2026519 PMAQI
29th Jul 20265710 PMAQI
29th Jul 20265211 PMAQI
30th Jul 20265012 AMAQI
30th Jul 2026461 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026443 AMAQI
30th Jul 2026564 AMAQI
30th Jul 2026685 AMAQI
24°C15/34°C
30th Jul 2026726 AMAQI
30th Jul 2026587 AMAQI
30th Jul 2026698 AMAQI
30th Jul 2026709 AMAQI
30th Jul 20264710 AMAQI
30th Jul 20266311 AMAQI
30th Jul 20263812 PMAQI
30th Jul 2026501 PMAQI
30th Jul 2026562 PMAQI
30th Jul 2026683 PMAQI
30th Jul 2026524 PMAQI
30th Jul 2026585 PMAQI
30th Jul 2026666 PMAQI
30th Jul 2026667 PMAQI
30th Jul 2026468 PMAQI
30th Jul 2026609 PMAQI
30th Jul 20265910 PMAQI
30th Jul 20266411 PMAQI
31st Jul 20267412 AMAQI
31st Jul 2026701 AMAQI
31st Jul 2026542 AMAQI
31st Jul 2026553 AMAQI
31st Jul 2026384 AMAQI
31st Jul 2026545 AMAQI
24°C14/35°C
31st Jul 2026546 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026368 AMAQI
31st Jul 2026389 AMAQI
31st Jul 20263810 AMAQI
31st Jul 20265211 AMAQI
31st Jul 20264212 PMAQI
31st Jul 2026361 PMAQI
31st Jul 2026442 PMAQI
31st Jul 2026433 PMAQI
31st Jul 2026234 PMAQI
31st Jul 2026255 PMAQI
31st Jul 2026236 PMAQI
31st Jul 2026407 PMAQI
31st Jul 2026468 PMAQI
31st Jul 2026559 PMAQI
31st Jul 20264810 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265612 AMAQI
1st Aug 2026381 AMAQI
1st Aug 2026362 AMAQI
1st Aug 2026543 AMAQI
1st Aug 2026524 AMAQI
1st Aug 2026505 AMAQI
26°C16/36°C
1st Aug 2026466 AMAQI
1st Aug 2026467 AMAQI
1st Aug 2026448 AMAQI
1st Aug 2026729 AMAQI
1st Aug 20265010 AMAQI
1st Aug 20265011 AMAQI
1st Aug 20264012 PMAQI
1st Aug 2026521 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026503 PMAQI
1st Aug 2026464 PMAQI
1st Aug 2026385 PMAQI
1st Aug 2026366 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026349 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264912 AMAQI
2nd Aug 2026361 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026463 AMAQI
2nd Aug 2026464 AMAQI
2nd Aug 2026465 AMAQI
25°C17/34°C
2nd Aug 2026426 AMAQI
2nd Aug 2026447 AMAQI
2nd Aug 2026428 AMAQI
2nd Aug 2026509 AMAQI
2nd Aug 20265010 AMAQI
2nd Aug 20265011 AMAQI
2nd Aug 20264812 PMAQI
2nd Aug 2026521 PMAQI
2nd Aug 2026522 PMAQI
2nd Aug 2026523 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026385 PMAQI
2nd Aug 2026296 PMAQI
2nd Aug 2026237 PMAQI
2nd Aug 2026388 PMAQI
2nd Aug 2026529 PMAQI
2nd Aug 20263810 PMAQI
2nd Aug 20265411 PMAQI
3rd Aug 20265212 AMAQI
3rd Aug 2026361 AMAQI
3rd Aug 2026522 AMAQI
3rd Aug 2026563 AMAQI
3rd Aug 2026544 AMAQI
3rd Aug 2026385 AMAQI
22°C14/32°C
3rd Aug 2026516 AMAQI
3rd Aug 2026507 AMAQI
3rd Aug 2026508 AMAQI
3rd Aug 2026259 AMAQI
3rd Aug 20264010 AMAQI
3rd Aug 20266311 AMAQI
3rd Aug 20267312 PMAQI
3rd Aug 2026691 PMAQI
3rd Aug 2026462 PMAQI
3rd Aug 2026443 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026465 PMAQI
3rd Aug 2026466 PMAQI
3rd Aug 2026447 PMAQI
3rd Aug 2026468 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20264410 PMAQI
3rd Aug 20264011 PMAQI
4th Aug 20264012 AMAQI
4th Aug 2026421 AMAQI
4th Aug 2026462 AMAQI
4th Aug 2026503 AMAQI
4th Aug 2026424 AMAQI
4th Aug 2026465 AMAQI
24°C14/34°C
4th Aug 2026486 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026498 AMAQI
4th Aug 2026489 AMAQI
4th Aug 20264810 AMAQI
4th Aug 20265011 AMAQI
4th Aug 20265412 PMAQI
4th Aug 2026571 PMAQI
4th Aug 2026532 PMAQI
4th Aug 2026533 PMAQI
4th Aug 2026554 PMAQI
4th Aug 2026545 PMAQI
4th Aug 2026526 PMAQI
4th Aug 2026467 PMAQI
4th Aug 2026528 PMAQI
4th Aug 2026469 PMAQI
4th Aug 20264810 PMAQI
4th Aug 20265311 PMAQI
5th Aug 20265512 AMAQI
5th Aug 2026531 AMAQI
5th Aug 2026562 AMAQI
5th Aug 2026543 AMAQI
5th Aug 2026564 AMAQI
5th Aug 2026595 AMAQI
27°C18/38°C
5th Aug 2026566 AMAQI
5th Aug 2026557 AMAQI
5th Aug 2026538 AMAQI
5th Aug 2026599 AMAQI
5th Aug 20266010 AMAQI
5th Aug 20266511 AMAQI
5th Aug 20266412 PMAQI
5th Aug 2026671 PMAQI
5th Aug 2026592 PMAQI
5th Aug 2026563 PMAQI
5th Aug 2026514 PMAQI
5th Aug 2026515 PMAQI
5th Aug 2026536 PMAQI
5th Aug 2026517 PMAQI
5th Aug 2026468 PMAQI
5th Aug 2026499 PMAQI
5th Aug 20266210 PMAQI
5th Aug 20266411 PMAQI
6th Aug 20266512 AMAQI
6th Aug 2026651 AMAQI
6th Aug 2026642 AMAQI
6th Aug 2026673 AMAQI
6th Aug 2026664 AMAQI
6th Aug 2026665 AMAQI
29°C21/38°C
6th Aug 2026646 AMAQI
6th Aug 2026657 AMAQI
6th Aug 2026748 AMAQI
6th Aug 2026699 AMAQI
6th Aug 20267110 AMAQI
6th Aug 20267011 AMAQI
6th Aug 20266912 PMAQI
6th Aug 2026731 PMAQI
6th Aug 2026662 PMAQI
6th Aug 2026593 PMAQI
6th Aug 2026714 PMAQI
6th Aug 2026695 PMAQI
6th Aug 2026656 PMAQI
6th Aug 2026567 PMAQI
6th Aug 2026558 PMAQI
6th Aug 2026549 PMAQI
6th Aug 20266710 PMAQI
6th Aug 20266811 PMAQI
7th Aug 20267212 AMAQI
7th Aug 2026601 AMAQI
7th Aug 2026562 AMAQI
7th Aug 2026733 AMAQI
7th Aug 2026624 AMAQI
7th Aug 2026635 AMAQI
29°C20/38°C
7th Aug 2026706 AMAQI
7th Aug 2026787 AMAQI
7th Aug 2026688 AMAQI
7th Aug 2026709 AMAQI
7th Aug 20267110 AMAQI
7th Aug 20267611 AMAQI
7th Aug 20267612 PMAQI
7th Aug 2026721 PMAQI
7th Aug 2026782 PMAQI
7th Aug 2026713 PMAQI
7th Aug 2026674 PMAQI
7th Aug 2026605 PMAQI
7th Aug 2026716 PMAQI
7th Aug 2026627 PMAQI
7th Aug 2026598 PMAQI
7th Aug 2026669 PMAQI
7th Aug 20265610 PMAQI
7th Aug 20265711 PMAQI
8th Aug 20265612 AMAQI
8th Aug 2026551 AMAQI
8th Aug 2026582 AMAQI
8th Aug 2026603 AMAQI
8th Aug 2026644 AMAQI
8th Aug 2026625 AMAQI
29°C20/39°C
8th Aug 2026656 AMAQI
8th Aug 2026667 AMAQI
8th Aug 2026718 AMAQI
8th Aug 2026689 AMAQI
8th Aug 20266710 AMAQI
8th Aug 20266511 AMAQI
8th Aug 20265912 PMAQI
8th Aug 2026641 PMAQI
8th Aug 2026592 PMAQI
8th Aug 2026553 PMAQI
8th Aug 2026554 PMAQI
8th Aug 2026525 PMAQI
8th Aug 2026516 PMAQI
8th Aug 2026557 PMAQI
8th Aug 2026468 PMAQI
8th Aug 2026349 PMAQI
8th Aug 20265010 PMAQI
8th Aug 20264211 PMAQI
9th Aug 20264412 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026462 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026424 AMAQI
9th Aug 2026465 AMAQI
28°C19/38°C
9th Aug 2026406 AMAQI
9th Aug 2026367 AMAQI
9th Aug 2026328 AMAQI
9th Aug 2026269 AMAQI
9th Aug 20264810 AMAQI
9th Aug 20265311 AMAQI
9th Aug 20265412 PMAQI
9th Aug 2026661 PMAQI
9th Aug 2026682 PMAQI
9th Aug 2026713 PMAQI
9th Aug 2026644 PMAQI
9th Aug 2026655 PMAQI
9th Aug 2026636 PMAQI
9th Aug 2026607 PMAQI
9th Aug 2026568 PMAQI
9th Aug 2026409 PMAQI
9th Aug 20264410 PMAQI
9th Aug 20266911 PMAQI
10th Aug 20263812 AMAQI
10th Aug 2026401 AMAQI
10th Aug 2026512 AMAQI
10th Aug 2026403 AMAQI
10th Aug 2026464 AMAQI
10th Aug 2026505 AMAQI
26°C18/36°C
10th Aug 2026526 AMAQI
10th Aug 2026507 AMAQI
10th Aug 2026488 AMAQI
10th Aug 2026489 AMAQI
10th Aug 20265610 AMAQI
10th Aug 20265111 AMAQI
10th Aug 20265412 PMAQI
10th Aug 2026481 PMAQI
10th Aug 2026742 PMAQI
10th Aug 2026803 PMAQI
10th Aug 2026724 PMAQI
10th Aug 2026835 PMAQI
10th Aug 2026806 PMAQI
10th Aug 2026837 PMAQI
10th Aug 2026828 PMAQI
10th Aug 2026629 PMAQI
10th Aug 20265610 PMAQI
10th Aug 20264811 PMAQI
11th Aug 20264612 AMAQI
11th Aug 2026421 AMAQI
11th Aug 2026422 AMAQI
11th Aug 2026423 AMAQI
11th Aug 2026464 AMAQI
11th Aug 2026445 AMAQI
26°C16/36°C
11th Aug 2026426 AMAQI
11th Aug 2026487 AMAQI
11th Aug 2026448 AMAQI
11th Aug 2026409 AMAQI
11th Aug 20264910 AMAQI
11th Aug 20264611 AMAQI
11th Aug 20264412 PMAQI
11th Aug 2026461 PMAQI
11th Aug 2026422 PMAQI
11th Aug 2026643 PMAQI
11th Aug 2026444 PMAQI
11th Aug 2026525 PMAQI
11th Aug 2026546 PMAQI
11th Aug 2026577 PMAQI
11th Aug 2026568 PMAQI
11th Aug 2026539 PMAQI
11th Aug 20264810 PMAQI
11th Aug 20265611 PMAQI
12th Aug 20265412 AMAQI
12th Aug 2026651 AMAQI
12th Aug 2026682 AMAQI
12th Aug 2026723 AMAQI
12th Aug 2026734 AMAQI
12th Aug 2026705 AMAQI
25°C17/35°C
12th Aug 2026746 AMAQI
12th Aug 2026717 AMAQI
12th Aug 2026738 AMAQI
12th Aug 2026789 AMAQI
12th Aug 20268010 AMAQI
12th Aug 20266611 AMAQI
12th Aug 20267012 PMAQI
12th Aug 2026491 PMAQI
12th Aug 2026522 PMAQI
12th Aug 2026373 PMAQI
12th Aug 2026404 PMAQI
12th Aug 2026525 PMAQI
12th Aug 2026466 PMAQI
12th Aug 2026467 PMAQI
12th Aug 2026388 PMAQI
12th Aug 2026529 PMAQI
12th Aug 20264910 PMAQI
12th Aug 20264411 PMAQI
13th Aug 20265112 AMAQI
13th Aug 2026511 AMAQI
13th Aug 2026542 AMAQI
13th Aug 2026623 AMAQI
13th Aug 2026694 AMAQI
13th Aug 2026695 AMAQI
24°C16/33°C
13th Aug 2026716 AMAQI
13th Aug 2026727 AMAQI
13th Aug 2026688 AMAQI
13th Aug 2026699 AMAQI
13th Aug 20267310 AMAQI
13th Aug 20266411 AMAQI
13th Aug 20265112 PMAQI
13th Aug 2026451 PMAQI
13th Aug 2026632 PMAQI
13th Aug 2026503 PMAQI
13th Aug 2026404 PMAQI
13th Aug 2026425 PMAQI
13th Aug 2026426 PMAQI
13th Aug 2026567 PMAQI
13th Aug 2026648 PMAQI
13th Aug 2026629 PMAQI
13th Aug 20265710 PMAQI
13th Aug 20265611 PMAQI
14th Aug 20265212 AMAQI
14th Aug 2026511 AMAQI
14th Aug 2026482 AMAQI
14th Aug 2026503 AMAQI
14th Aug 2026464 AMAQI
14th Aug 2026375 AMAQI
23°C15/31°C
14th Aug 2026466 AMAQI
14th Aug 2026447 AMAQI
14th Aug 2026548 AMAQI
14th Aug 2026539 AMAQI
14th Aug 20264410 AMAQI
14th Aug 20265011 AMAQI
14th Aug 20264812 PMAQI
14th Aug 2026521 PMAQI
14th Aug 2026522 PMAQI
14th Aug 2026523 PMAQI
14th Aug 2026534 PMAQI
14th Aug 2026545 PMAQI
14th Aug 2026506 PMAQI
14th Aug 2026507 PMAQI
14th Aug 2026488 PMAQI
14th Aug 2026509 PMAQI
14th Aug 20264610 PMAQI
14th Aug 20265311 PMAQI
15th Aug 20265412 AMAQI
15th Aug 2026511 AMAQI
15th Aug 2026402 AMAQI
15th Aug 2026443 AMAQI
15th Aug 2026464 AMAQI
15th Aug 2026405 AMAQI
22°C16/29°C
15th Aug 2026406 AMAQI
15th Aug 2026447 AMAQI
15th Aug 2026378 AMAQI
15th Aug 2026509 AMAQI
15th Aug 20265410 AMAQI
15th Aug 20265211 AMAQI
15th Aug 20264212 PMAQI
15th Aug 2026421 PMAQI
15th Aug 2026422 PMAQI
15th Aug 2026423 PMAQI
15th Aug 2026404 PMAQI
15th Aug 2026425 PMAQI
15th Aug 2026406 PMAQI
15th Aug 2026467 PMAQI
15th Aug 2026468 PMAQI
15th Aug 2026489 PMAQI
15th Aug 20264910 PMAQI
15th Aug 20266211 PMAQI
16th Aug 20266212 AMAQI
16th Aug 2026641 AMAQI
16th Aug 2026622 AMAQI
16th Aug 2026583 AMAQI
16th Aug 2026594 AMAQI
16th Aug 2026585 AMAQI
20°C10/29°C
16th Aug 2026626 AMAQI
6 AM16th Aug 2026587 AMAQI
16th Aug 2026518 AMAQI
16th Aug 2026469 AMAQI
16th Aug 20265010 AMAQI
16th Aug 20264011 AMAQI
16th Aug 20264212 PMAQI
16th Aug 2026541 PMAQI
1 PM16th Aug 2026362 PMAQI
16th Aug 2026563 PMAQI
16th Aug 2026424 PMAQI
16th Aug 2026505 PMAQI
16th Aug 2026426 PMAQI
16th Aug 2026427 PMAQI
16th Aug 2026568 PMAQI
8 PM16th Aug 2026529 PMAQI
16th Aug 20265810 PMAQI
16th Aug 20266611 PMAQI
1 AM
5 AM
20°C8/30°C
Day time
Avg. Highest Time
11 AM - 3 PM
56AQI
5 hours / Day
150 hours / Month
Avg. Lowest Time
5 PM - 6 PM
49AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 3 PM (Avg. 56), while the lowest AQI was between 5 PM to 6 PM (Avg. 49).
Night time
Avg. Highest Time
11 PM
56AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
1 AM - 10 PM
53AQI
7 hours / Day
210 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 56), while the lowest AQI was between 1 AM to 10 PM (Avg. 53).
2026 Days Vs Air Quality
Etna, Yreka, California, United States
2026
88%
199
12%
26
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
199 DaysModerate
26 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 228 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Etna, 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
34AQI (US)
34AQI (US)
2nd January 2026
9AQI (US)
9AQI (US)
3rd January 2026
8AQI (US)
8AQI (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
24AQI (US)
24AQI (US)
8th January 2026
16AQI (US)
16AQI (US)
9th January 2026
25AQI (US)
25AQI (US)
10th January 2026
30AQI (US)
30AQI (US)
11th January 2026
31AQI (US)
31AQI (US)
12th January 2026
38AQI (US)
38AQI (US)
13th January 2026
39AQI (US)
39AQI (US)
14th January 2026
39AQI (US)
39AQI (US)
15th January 2026
44AQI (US)
44AQI (US)
16th January 2026
41AQI (US)
41AQI (US)
17th January 2026
36AQI (US)
36AQI (US)
18th January 2026
40AQI (US)
40AQI (US)
19th January 2026
36AQI (US)
36AQI (US)
20th January 2026
35AQI (US)
35AQI (US)
21st January 2026
39AQI (US)
39AQI (US)
22nd January 2026
50AQI (US)
50AQI (US)
23rd January 2026
52AQI (US)
52AQI (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
42AQI (US)
42AQI (US)
28th January 2026
45AQI (US)
45AQI (US)
29th January 2026
52AQI (US)
52AQI (US)
30th January 2026
51AQI (US)
51AQI (US)
31st January 2026
44AQI (US)
44AQI (US)
1st February 2026
45AQI (US)
45AQI (US)
2nd February 2026
48AQI (US)
48AQI (US)
3rd February 2026
48AQI (US)
48AQI (US)
4th February 2026
46AQI (US)
46AQI (US)
5th February 2026
47AQI (US)
47AQI (US)
6th February 2026
41AQI (US)
41AQI (US)
7th February 2026
41AQI (US)
41AQI (US)
8th February 2026
45AQI (US)
45AQI (US)
9th February 2026
46AQI (US)
46AQI (US)
10th February 2026
46AQI (US)
46AQI (US)
11th February 2026
46AQI (US)
46AQI (US)
12th February 2026
47AQI (US)
47AQI (US)
13th February 2026
52AQI (US)
52AQI (US)
14th February 2026
49AQI (US)
49AQI (US)
15th February 2026
40AQI (US)
40AQI (US)
16th February 2026
43AQI (US)
43AQI (US)
17th February 2026
46AQI (US)
46AQI (US)
18th February 2026
43AQI (US)
43AQI (US)
19th February 2026
44AQI (US)
44AQI (US)
20th February 2026
43AQI (US)
43AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
39AQI (US)
39AQI (US)
24th February 2026
43AQI (US)
43AQI (US)
25th February 2026
42AQI (US)
42AQI (US)
26th February 2026
34AQI (US)
34AQI (US)
27th February 2026
32AQI (US)
32AQI (US)
28th February 2026
35AQI (US)
35AQI (US)
1st March 2026
42AQI (US)
42AQI (US)
2nd March 2026
52AQI (US)
52AQI (US)
3rd March 2026
44AQI (US)
44AQI (US)
4th March 2026
45AQI (US)
45AQI (US)
5th March 2026
40AQI (US)
40AQI (US)
6th March 2026
36AQI (US)
36AQI (US)
7th March 2026
37AQI (US)
37AQI (US)
8th March 2026
38AQI (US)
38AQI (US)
9th March 2026
37AQI (US)
37AQI (US)
10th March 2026
32AQI (US)
32AQI (US)
11th March 2026
38AQI (US)
38AQI (US)
12th March 2026
40AQI (US)
40AQI (US)
13th March 2026
37AQI (US)
37AQI (US)
14th March 2026
35AQI (US)
35AQI (US)
15th March 2026
35AQI (US)
35AQI (US)
16th March 2026
38AQI (US)
38AQI (US)
17th March 2026
34AQI (US)
34AQI (US)
18th March 2026
32AQI (US)
32AQI (US)
19th March 2026
33AQI (US)
33AQI (US)
20th March 2026
37AQI (US)
37AQI (US)
21st March 2026
34AQI (US)
34AQI (US)
22nd March 2026
35AQI (US)
35AQI (US)
23rd March 2026
39AQI (US)
39AQI (US)
24th March 2026
37AQI (US)
37AQI (US)
25th March 2026
34AQI (US)
34AQI (US)
26th March 2026
33AQI (US)
33AQI (US)
27th March 2026
34AQI (US)
34AQI (US)
28th March 2026
33AQI (US)
33AQI (US)
29th March 2026
28AQI (US)
28AQI (US)
30th March 2026
27AQI (US)
27AQI (US)
31st March 2026
27AQI (US)
27AQI (US)
1st April 2026
33AQI (US)
33AQI (US)
2nd April 2026
34AQI (US)
34AQI (US)
3rd April 2026
30AQI (US)
30AQI (US)
4th April 2026
30AQI (US)
30AQI (US)
5th April 2026
28AQI (US)
28AQI (US)
6th April 2026
30AQI (US)
30AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
37AQI (US)
37AQI (US)
9th April 2026
31AQI (US)
31AQI (US)
10th April 2026
32AQI (US)
32AQI (US)
11th April 2026
34AQI (US)
34AQI (US)
12th April 2026
30AQI (US)
30AQI (US)
13th April 2026
34AQI (US)
34AQI (US)
14th April 2026
35AQI (US)
35AQI (US)
15th April 2026
33AQI (US)
33AQI (US)
16th April 2026
33AQI (US)
33AQI (US)
17th April 2026
18th April 2026
32AQI (US)
32AQI (US)
19th April 2026
33AQI (US)
33AQI (US)
20th April 2026
30AQI (US)
30AQI (US)
21st April 2026
30AQI (US)
30AQI (US)
22nd April 2026
23rd April 2026
27AQI (US)
27AQI (US)
24th April 2026
29AQI (US)
29AQI (US)
25th April 2026
32AQI (US)
32AQI (US)
26th April 2026
34AQI (US)
34AQI (US)
27th April 2026
28AQI (US)
28AQI (US)
28th April 2026
25AQI (US)
25AQI (US)
29th April 2026
24AQI (US)
24AQI (US)
30th April 2026
27AQI (US)
27AQI (US)
1st May 2026
27AQI (US)
27AQI (US)
2nd May 2026
25AQI (US)
25AQI (US)
3rd May 2026
22AQI (US)
22AQI (US)
4th May 2026
29AQI (US)
29AQI (US)
5th May 2026
34AQI (US)
34AQI (US)
6th May 2026
30AQI (US)
30AQI (US)
7th May 2026
28AQI (US)
28AQI (US)
8th May 2026
30AQI (US)
30AQI (US)
9th May 2026
10th May 2026
32AQI (US)
32AQI (US)
11th May 2026
31AQI (US)
31AQI (US)
12th May 2026
32AQI (US)
32AQI (US)
13th May 2026
29AQI (US)
29AQI (US)
14th May 2026
27AQI (US)
27AQI (US)
15th May 2026
39AQI (US)
39AQI (US)
16th May 2026
40AQI (US)
40AQI (US)
17th May 2026
39AQI (US)
39AQI (US)
18th May 2026
36AQI (US)
36AQI (US)
19th May 2026
33AQI (US)
33AQI (US)
20th May 2026
31AQI (US)
31AQI (US)
21st May 2026
31AQI (US)
31AQI (US)
22nd May 2026
35AQI (US)
35AQI (US)
23rd May 2026
33AQI (US)
33AQI (US)
24th May 2026
30AQI (US)
30AQI (US)
25th May 2026
30AQI (US)
30AQI (US)
26th May 2026
26AQI (US)
26AQI (US)
27th May 2026
29AQI (US)
29AQI (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
26AQI (US)
26AQI (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
29AQI (US)
29AQI (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
58AQI (US)
58AQI (US)
21st July 2026
53AQI (US)
53AQI (US)
22nd July 2026
52AQI (US)
52AQI (US)
23rd July 2026
63AQI (US)
63AQI (US)
24th July 2026
54AQI (US)
54AQI (US)
25th July 2026
56AQI (US)
56AQI (US)
26th July 2026
52AQI (US)
52AQI (US)
27th July 2026
48AQI (US)
48AQI (US)
28th July 2026
56AQI (US)
56AQI (US)
29th July 2026
46AQI (US)
46AQI (US)
30th July 2026
57AQI (US)
57AQI (US)
31st July 2026
45AQI (US)
45AQI (US)
1st August 2026
46AQI (US)
46AQI (US)
2nd August 2026
45AQI (US)
45AQI (US)
3rd August 2026
48AQI (US)
48AQI (US)
4th August 2026
49AQI (US)
49AQI (US)
5th August 2026
56AQI (US)
56AQI (US)
6th August 2026
66AQI (US)
66AQI (US)
7th August 2026
67AQI (US)
67AQI (US)
8th August 2026
57AQI (US)
57AQI (US)
9th August 2026
51AQI (US)
51AQI (US)
10th August 2026
58AQI (US)
58AQI (US)
11th August 2026
48AQI (US)
48AQI (US)
12th August 2026
59AQI (US)
59AQI (US)
13th August 2026
58AQI (US)
58AQI (US)
14th August 2026
49AQI (US)
49AQI (US)
15th August 2026
46AQI (US)
46AQI (US)
16th August 2026
53AQI (US)
53AQI (US)
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)
43AQI (US)
36AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
41AQI (US)
54AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202636AQI (US)
28
3
27
1
30
1
28
30
30
19
12
7
9
199
26
Highest AQI (US) recorded in
August54AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202531AQI (US)
28
3
28
31
30
31
30
30
1
30
1
27
3
31
27
3
25
6
348
17
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202430AQI (US)
16
1
12
29
27
4
26
5
28
31
29
1
20
11
219
21
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202344AQI (US)
5
3
5
1
23
6
1
17
3
31
74
11
3
6
1
Highest AQI (US) recorded in
August123AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
202238AQI (US)
1
21
7
1
30
1
5
1
57
9
1
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202153AQI (US)
15
16
19
8
2
1
19
8
4
6
9
8
6
13
7
6
4
31
30
7
142
49
18
10
Highest AQI (US) recorded in
August102AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
202087AQI (US)
2
5
8
6
5
5
1
2
4
9
7
23
1
18
42
7
5
5
1
Highest AQI (US) recorded in
September127AQI (US)
Lowest AQI (US) recorded in
August30AQI (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)Etna's annual 2026 AQI (US) (36) shows an average percentage change of -13.002% (improved AQI (US)) compared to previous years: 2020 (87), 2021 (53), 2022 (38), 2023 (44), 2024 (30), 2025 (31).
