Etna 2, 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 2, Yreka, California, United States
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
31st Aug 2023
142AQILowest AQI recorded on
17th Aug 2025
18AQISame Day Analysis (16th August):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Etna 2, 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
36AQI
Night time
Avg. Highest Time
1AM16th Aug
60AQI
Avg. Lowest Time
9PM15th Aug
48AQI
In the last 24 hours,
Etna 2's AQI reached its highest point of 60 at 1 AM during the Night, while the lowest point, 36, was recorded at 8 AM during the Day between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Etna 2, 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 2026576 AMAQI
18th Jul 2026637 AMAQI
18th Jul 2026608 AMAQI
18th Jul 2026579 AMAQI
18th Jul 20266310 AMAQI
18th Jul 20266711 AMAQI
18th Jul 20267312 PMAQI
18th Jul 2026761 PMAQI
18th Jul 2026702 PMAQI
18th Jul 2026563 PMAQI
18th Jul 2026644 PMAQI
18th Jul 2026675 PMAQI
18th Jul 2026596 PMAQI
18th Jul 2026677 PMAQI
18th Jul 2026678 PMAQI
18th Jul 2026569 PMAQI
18th Jul 20265310 PMAQI
18th Jul 20265311 PMAQI
19th Jul 20265312 AMAQI
19th Jul 2026541 AMAQI
19th Jul 2026532 AMAQI
19th Jul 2026523 AMAQI
19th Jul 2026504 AMAQI
19th Jul 2026495 AMAQI
26°C15/37°C
19th Jul 2026536 AMAQI
19th Jul 2026547 AMAQI
19th Jul 2026548 AMAQI
19th Jul 2026549 AMAQI
19th Jul 20265210 AMAQI
19th Jul 20265511 AMAQI
19th Jul 20266212 PMAQI
19th Jul 2026641 PMAQI
19th Jul 2026582 PMAQI
19th Jul 2026573 PMAQI
19th Jul 2026584 PMAQI
19th Jul 2026585 PMAQI
19th Jul 2026766 PMAQI
19th Jul 2026697 PMAQI
19th Jul 2026698 PMAQI
19th Jul 2026649 PMAQI
19th Jul 20266810 PMAQI
19th Jul 20267111 PMAQI
20th Jul 20267312 AMAQI
20th Jul 2026701 AMAQI
20th Jul 2026662 AMAQI
20th Jul 2026663 AMAQI
20th Jul 2026674 AMAQI
20th Jul 2026665 AMAQI
28°C18/37°C
20th Jul 2026546 AMAQI
20th Jul 2026537 AMAQI
20th Jul 2026568 AMAQI
20th Jul 2026569 AMAQI
20th Jul 20265810 AMAQI
20th Jul 20265511 AMAQI
20th Jul 20265812 PMAQI
20th Jul 2026591 PMAQI
20th Jul 2026672 PMAQI
20th Jul 2026643 PMAQI
20th Jul 2026534 PMAQI
20th Jul 2026585 PMAQI
20th Jul 2026446 PMAQI
20th Jul 2026327 PMAQI
20th Jul 2026469 PMAQI
20th Jul 20264610 PMAQI
20th Jul 20265211 PMAQI
21st Jul 20264312 AMAQI
21st Jul 2026651 AMAQI
21st Jul 2026692 AMAQI
21st Jul 2026683 AMAQI
21st Jul 2026664 AMAQI
21st Jul 2026385 AMAQI
29°C22/37°C
21st Jul 2026386 AMAQI
21st Jul 2026447 AMAQI
21st Jul 2026428 AMAQI
21st Jul 2026429 AMAQI
21st Jul 20264010 AMAQI
21st Jul 20264411 AMAQI
21st Jul 20265412 PMAQI
21st Jul 2026461 PMAQI
21st Jul 2026522 PMAQI
21st Jul 2026483 PMAQI
21st Jul 2026384 PMAQI
21st Jul 2026215 PMAQI
21st Jul 2026406 PMAQI
21st Jul 2026257 PMAQI
21st Jul 2026238 PMAQI
21st Jul 2026409 PMAQI
21st Jul 20265810 PMAQI
21st Jul 20266011 PMAQI
22nd Jul 20265812 AMAQI
22nd Jul 2026441 AMAQI
22nd Jul 2026402 AMAQI
22nd Jul 2026583 AMAQI
22nd Jul 2026424 AMAQI
22nd Jul 2026445 AMAQI
29°C21/38°C
22nd Jul 2026426 AMAQI
22nd Jul 2026367 AMAQI
22nd Jul 2026448 AMAQI
22nd Jul 2026409 AMAQI
22nd Jul 20263610 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20265612 PMAQI
22nd Jul 2026941 PMAQI
22nd Jul 20261372 PMAQI
22nd Jul 2026703 PMAQI
22nd Jul 2026544 PMAQI
22nd Jul 2026565 PMAQI
22nd Jul 2026546 PMAQI
22nd Jul 2026757 PMAQI
22nd Jul 2026968 PMAQI
22nd Jul 2026789 PMAQI
22nd Jul 20267810 PMAQI
22nd Jul 20267211 PMAQI
23rd Jul 20266012 AMAQI
23rd Jul 2026421 AMAQI
23rd Jul 2026382 AMAQI
23rd Jul 2026513 AMAQI
23rd Jul 2026534 AMAQI
23rd Jul 2026465 AMAQI
27°C20/36°C
23rd Jul 2026406 AMAQI
23rd Jul 2026387 AMAQI
23rd Jul 2026408 AMAQI
23rd Jul 2026309 AMAQI
23rd Jul 20263610 AMAQI
23rd Jul 20263611 AMAQI
23rd Jul 20263212 PMAQI
23rd Jul 2026401 PMAQI
23rd Jul 2026402 PMAQI
23rd Jul 2026303 PMAQI
23rd Jul 2026304 PMAQI
23rd Jul 2026365 PMAQI
23rd Jul 2026306 PMAQI
23rd Jul 2026267 PMAQI
23rd Jul 2026278 PMAQI
23rd Jul 2026369 PMAQI
23rd Jul 20264810 PMAQI
23rd Jul 20265011 PMAQI
24th Jul 20264212 AMAQI
24th Jul 2026541 AMAQI
24th Jul 2026542 AMAQI
24th Jul 2026543 AMAQI
24th Jul 2026404 AMAQI
24th Jul 2026545 AMAQI
24°C14/34°C
24th Jul 2026566 AMAQI
24th Jul 2026427 AMAQI
24th Jul 2026588 AMAQI
24th Jul 2026589 AMAQI
24th Jul 20265410 AMAQI
24th Jul 20265411 AMAQI
24th Jul 20265212 PMAQI
24th Jul 2026251 PMAQI
24th Jul 2026562 PMAQI
24th Jul 2026543 PMAQI
24th Jul 2026544 PMAQI
24th Jul 2026445 PMAQI
24th Jul 2026236 PMAQI
24th Jul 2026567 PMAQI
24th Jul 2026638 PMAQI
24th Jul 2026609 PMAQI
24th Jul 20265610 PMAQI
24th Jul 20265711 PMAQI
25th Jul 20264612 AMAQI
25th Jul 2026571 AMAQI
25th Jul 2026482 AMAQI
25th Jul 2026463 AMAQI
25th Jul 2026564 AMAQI
25th Jul 2026425 AMAQI
24°C14/35°C
25th Jul 2026466 AMAQI
25th Jul 2026427 AMAQI
25th Jul 2026608 AMAQI
25th Jul 2026669 AMAQI
25th Jul 20265010 AMAQI
25th Jul 20265111 AMAQI
25th Jul 20264212 PMAQI
25th Jul 2026651 PMAQI
25th Jul 2026402 PMAQI
25th Jul 2026623 PMAQI
25th Jul 2026564 PMAQI
25th Jul 2026665 PMAQI
25th Jul 2026256 PMAQI
25th Jul 2026667 PMAQI
25th Jul 2026668 PMAQI
25th Jul 2026639 PMAQI
25th Jul 20264810 PMAQI
25th Jul 20265811 PMAQI
26th Jul 20265012 AMAQI
26th Jul 2026551 AMAQI
26th Jul 2026542 AMAQI
26th Jul 2026503 AMAQI
26th Jul 2026544 AMAQI
26th Jul 2026545 AMAQI
23°C15/33°C
26th Jul 2026516 AMAQI
26th Jul 2026457 AMAQI
26th Jul 2026728 AMAQI
26th Jul 2026689 AMAQI
26th Jul 20267010 AMAQI
26th Jul 20266211 AMAQI
26th Jul 20266912 PMAQI
26th Jul 2026461 PMAQI
26th Jul 2026422 PMAQI
26th Jul 2026533 PMAQI
26th Jul 2026384 PMAQI
26th Jul 2026275 PMAQI
26th Jul 2026476 PMAQI
26th Jul 2026467 PMAQI
26th Jul 2026468 PMAQI
26th Jul 2026569 PMAQI
26th Jul 20265810 PMAQI
26th Jul 20266011 PMAQI
27th Jul 20266212 AMAQI
27th Jul 2026551 AMAQI
27th Jul 2026442 AMAQI
27th Jul 2026403 AMAQI
27th Jul 2026424 AMAQI
27th Jul 2026445 AMAQI
23°C13/33°C
27th Jul 2026516 AMAQI
27th Jul 2026517 AMAQI
27th Jul 2026518 AMAQI
27th Jul 2026389 AMAQI
27th Jul 20263610 AMAQI
27th Jul 20266911 AMAQI
27th Jul 20266612 PMAQI
27th Jul 2026661 PMAQI
27th Jul 2026642 PMAQI
27th Jul 2026633 PMAQI
27th Jul 2026274 PMAQI
27th Jul 2026385 PMAQI
27th Jul 2026316 PMAQI
27th Jul 2026237 PMAQI
27th Jul 2026298 PMAQI
27th Jul 2026679 PMAQI
27th Jul 20262310 PMAQI
27th Jul 20264011 PMAQI
28th Jul 20265812 AMAQI
28th Jul 2026381 AMAQI
28th Jul 2026522 AMAQI
28th Jul 2026343 AMAQI
28th Jul 2026364 AMAQI
28th Jul 2026445 AMAQI
23°C14/33°C
28th Jul 2026566 AMAQI
28th Jul 2026277 AMAQI
28th Jul 2026528 AMAQI
28th Jul 2026529 AMAQI
28th Jul 20264610 AMAQI
28th Jul 20266911 AMAQI
28th Jul 20264612 PMAQI
28th Jul 2026601 PMAQI
28th Jul 2026482 PMAQI
28th Jul 2026533 PMAQI
28th Jul 2026504 PMAQI
28th Jul 2026705 PMAQI
28th Jul 2026476 PMAQI
28th Jul 2026657 PMAQI
28th Jul 2026548 PMAQI
28th Jul 2026549 PMAQI
28th Jul 20264710 PMAQI
28th Jul 20265411 PMAQI
29th Jul 20265212 AMAQI
29th Jul 2026521 AMAQI
29th Jul 2026462 AMAQI
29th Jul 2026543 AMAQI
29th Jul 2026484 AMAQI
29th Jul 2026525 AMAQI
24°C15/33°C
29th Jul 2026586 AMAQI
29th Jul 2026367 AMAQI
29th Jul 2026548 AMAQI
29th Jul 2026449 AMAQI
29th Jul 20264410 AMAQI
29th Jul 20263811 AMAQI
29th Jul 20265412 PMAQI
29th Jul 2026361 PMAQI
29th Jul 2026542 PMAQI
29th Jul 2026233 PMAQI
29th Jul 2026364 PMAQI
29th Jul 2026255 PMAQI
29th Jul 2026226 PMAQI
29th Jul 2026627 PMAQI
29th Jul 2026348 PMAQI
29th Jul 2026519 PMAQI
29th Jul 20265610 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 2026445 AMAQI
24°C15/34°C
30th Jul 2026666 AMAQI
30th Jul 2026607 AMAQI
30th Jul 2026568 AMAQI
30th Jul 2026699 AMAQI
30th Jul 20264710 AMAQI
30th Jul 20264611 AMAQI
30th Jul 20265412 PMAQI
30th Jul 2026501 PMAQI
30th Jul 2026562 PMAQI
30th Jul 2026673 PMAQI
30th Jul 2026474 PMAQI
30th Jul 2026555 PMAQI
30th Jul 2026686 PMAQI
30th Jul 2026687 PMAQI
30th Jul 2026638 PMAQI
30th Jul 2026569 PMAQI
30th Jul 20265410 PMAQI
30th Jul 20266411 PMAQI
31st Jul 20264612 AMAQI
31st Jul 2026681 AMAQI
31st Jul 2026662 AMAQI
31st Jul 2026543 AMAQI
31st Jul 2026384 AMAQI
31st Jul 2026565 AMAQI
23°C13/34°C
31st Jul 2026546 AMAQI
31st Jul 2026367 AMAQI
31st Jul 2026528 AMAQI
31st Jul 2026549 AMAQI
31st Jul 20262310 AMAQI
31st Jul 20265211 AMAQI
31st Jul 20265612 PMAQI
31st Jul 2026441 PMAQI
31st Jul 2026652 PMAQI
31st Jul 2026623 PMAQI
31st Jul 2026424 PMAQI
31st Jul 2026545 PMAQI
31st Jul 2026406 PMAQI
31st Jul 2026547 PMAQI
31st Jul 2026448 PMAQI
31st Jul 2026569 PMAQI
31st Jul 20265310 PMAQI
31st Jul 20265311 PMAQI
1st Aug 20265512 AMAQI
1st Aug 2026221 AMAQI
1st Aug 2026382 AMAQI
1st Aug 2026523 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 2026529 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 2026345 PMAQI
1st Aug 2026346 PMAQI
1st Aug 2026427 PMAQI
1st Aug 2026368 PMAQI
1st Aug 2026369 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264211 PMAQI
2nd Aug 20264912 AMAQI
2nd Aug 2026381 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026423 AMAQI
2nd Aug 2026444 AMAQI
2nd Aug 2026465 AMAQI
25°C16/34°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 2026483 PMAQI
2nd Aug 2026524 PMAQI
2nd Aug 2026465 PMAQI
2nd Aug 2026466 PMAQI
2nd Aug 2026467 PMAQI
2nd Aug 2026468 PMAQI
2nd Aug 2026519 PMAQI
2nd Aug 20265510 PMAQI
2nd Aug 20265311 PMAQI
3rd Aug 20265512 AMAQI
3rd Aug 2026511 AMAQI
3rd Aug 2026532 AMAQI
3rd Aug 2026563 AMAQI
3rd Aug 2026554 AMAQI
3rd Aug 2026545 AMAQI
25°C16/34°C
3rd Aug 2026546 AMAQI
3rd Aug 2026537 AMAQI
3rd Aug 2026558 AMAQI
3rd Aug 2026539 AMAQI
3rd Aug 20264810 AMAQI
3rd Aug 20265311 AMAQI
3rd Aug 20265212 PMAQI
3rd Aug 2026511 PMAQI
3rd Aug 2026482 PMAQI
3rd Aug 2026463 PMAQI
3rd Aug 2026514 PMAQI
3rd Aug 2026505 PMAQI
3rd Aug 2026446 PMAQI
3rd Aug 2026467 PMAQI
3rd Aug 2026468 PMAQI
3rd Aug 2026469 PMAQI
3rd Aug 20265010 PMAQI
3rd Aug 20264611 PMAQI
4th Aug 20264612 AMAQI
4th Aug 2026441 AMAQI
4th Aug 2026512 AMAQI
4th Aug 2026503 AMAQI
4th Aug 2026514 AMAQI
4th Aug 2026525 AMAQI
28°C18/39°C
4th Aug 2026486 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026488 AMAQI
4th Aug 2026519 AMAQI
4th Aug 20265110 AMAQI
4th Aug 20265111 AMAQI
4th Aug 20265512 PMAQI
4th Aug 2026551 PMAQI
4th Aug 2026562 PMAQI
4th Aug 2026563 PMAQI
4th Aug 2026584 PMAQI
4th Aug 2026555 PMAQI
4th Aug 2026506 PMAQI
4th Aug 2026517 PMAQI
4th Aug 2026558 PMAQI
4th Aug 2026519 PMAQI
4th Aug 20265110 PMAQI
4th Aug 20265111 PMAQI
5th Aug 20265712 AMAQI
5th Aug 2026541 AMAQI
5th Aug 2026542 AMAQI
5th Aug 2026553 AMAQI
5th Aug 2026564 AMAQI
5th Aug 2026565 AMAQI
31°C21/40°C
5th Aug 2026556 AMAQI
5th Aug 2026577 AMAQI
5th Aug 2026568 AMAQI
5th Aug 2026579 AMAQI
5th Aug 20265810 AMAQI
5th Aug 20266211 AMAQI
5th Aug 20267012 PMAQI
5th Aug 2026681 PMAQI
5th Aug 2026652 PMAQI
5th Aug 2026643 PMAQI
5th Aug 2026444 PMAQI
5th Aug 2026425 PMAQI
5th Aug 2026366 PMAQI
5th Aug 2026387 PMAQI
5th Aug 2026428 PMAQI
5th Aug 2026489 PMAQI
5th Aug 20265210 PMAQI
5th Aug 20265011 PMAQI
6th Aug 20264012 AMAQI
6th Aug 2026641 AMAQI
6th Aug 2026642 AMAQI
6th Aug 2026733 AMAQI
6th Aug 2026714 AMAQI
6th Aug 2026805 AMAQI
31°C22/41°C
6th Aug 2026766 AMAQI
6th Aug 2026707 AMAQI
6th Aug 2026808 AMAQI
6th Aug 2026839 AMAQI
6th Aug 20267410 AMAQI
6th Aug 20267911 AMAQI
6th Aug 20267012 PMAQI
6th Aug 2026761 PMAQI
6th Aug 2026692 PMAQI
6th Aug 2026383 PMAQI
6th Aug 2026364 PMAQI
6th Aug 2026405 PMAQI
6th Aug 2026426 PMAQI
6th Aug 2026427 PMAQI
6th Aug 2026448 PMAQI
6th Aug 2026429 PMAQI
6th Aug 20265110 PMAQI
6th Aug 20264411 PMAQI
7th Aug 20264012 AMAQI
7th Aug 2026401 AMAQI
7th Aug 2026622 AMAQI
7th Aug 2026763 AMAQI
7th Aug 2026714 AMAQI
7th Aug 2026725 AMAQI
30°C21/40°C
7th Aug 2026706 AMAQI
7th Aug 2026807 AMAQI
7th Aug 2026748 AMAQI
7th Aug 2026749 AMAQI
7th Aug 20268010 AMAQI
7th Aug 20267211 AMAQI
7th Aug 20267012 PMAQI
7th Aug 2026691 PMAQI
7th Aug 2026742 PMAQI
7th Aug 2026683 PMAQI
7th Aug 2026694 PMAQI
7th Aug 2026405 PMAQI
7th Aug 2026566 PMAQI
7th Aug 2026597 PMAQI
7th Aug 2026578 PMAQI
7th Aug 2026569 PMAQI
7th Aug 20266210 PMAQI
7th Aug 20266011 PMAQI
8th Aug 20266012 AMAQI
8th Aug 2026481 AMAQI
8th Aug 2026462 AMAQI
8th Aug 2026443 AMAQI
8th Aug 2026364 AMAQI
8th Aug 2026365 AMAQI
30°C20/40°C
8th Aug 2026696 AMAQI
8th Aug 2026707 AMAQI
8th Aug 2026698 AMAQI
8th Aug 2026719 AMAQI
8th Aug 20266610 AMAQI
8th Aug 20266411 AMAQI
8th Aug 20266212 PMAQI
8th Aug 2026631 PMAQI
8th Aug 2026602 PMAQI
8th Aug 2026333 PMAQI
8th Aug 2026364 PMAQI
8th Aug 2026365 PMAQI
8th Aug 2026526 PMAQI
8th Aug 2026527 PMAQI
8th Aug 2026488 PMAQI
8th Aug 2026659 PMAQI
8th Aug 20265210 PMAQI
8th Aug 20264211 PMAQI
9th Aug 20265012 AMAQI
9th Aug 2026441 AMAQI
9th Aug 2026442 AMAQI
9th Aug 2026403 AMAQI
9th Aug 2026384 AMAQI
9th Aug 2026485 AMAQI
30°C20/40°C
9th Aug 2026386 AMAQI
9th Aug 2026487 AMAQI
9th Aug 2026408 AMAQI
9th Aug 2026579 AMAQI
9th Aug 20264810 AMAQI
9th Aug 20264911 AMAQI
9th Aug 20265512 PMAQI
9th Aug 2026601 PMAQI
9th Aug 2026642 PMAQI
9th Aug 2026643 PMAQI
9th Aug 2026664 PMAQI
9th Aug 2026675 PMAQI
9th Aug 2026656 PMAQI
9th Aug 2026607 PMAQI
9th Aug 2026548 PMAQI
9th Aug 2026749 PMAQI
9th Aug 20264410 PMAQI
9th Aug 20266911 PMAQI
10th Aug 20263812 AMAQI
10th Aug 2026401 AMAQI
10th Aug 2026542 AMAQI
10th Aug 2026443 AMAQI
10th Aug 2026464 AMAQI
10th Aug 2026505 AMAQI
29°C20/39°C
10th Aug 2026516 AMAQI
10th Aug 2026487 AMAQI
10th Aug 2026488 AMAQI
10th Aug 2026299 AMAQI
10th Aug 20264610 AMAQI
10th Aug 20264811 AMAQI
10th Aug 20265512 PMAQI
10th Aug 2026511 PMAQI
10th Aug 2026762 PMAQI
10th Aug 2026763 PMAQI
10th Aug 2026864 PMAQI
10th Aug 2026865 PMAQI
10th Aug 2026836 PMAQI
10th Aug 2026857 PMAQI
10th Aug 2026718 PMAQI
10th Aug 2026629 PMAQI
10th Aug 20265310 PMAQI
10th Aug 20264811 PMAQI
11th Aug 20264612 AMAQI
11th Aug 2026441 AMAQI
11th Aug 2026402 AMAQI
11th Aug 2026423 AMAQI
11th Aug 2026464 AMAQI
11th Aug 2026445 AMAQI
29°C19/39°C
11th Aug 2026446 AMAQI
11th Aug 2026467 AMAQI
11th Aug 2026448 AMAQI
11th Aug 2026409 AMAQI
11th Aug 20265110 AMAQI
11th Aug 20263811 AMAQI
11th Aug 20265912 PMAQI
11th Aug 2026441 PMAQI
11th Aug 2026382 PMAQI
11th Aug 2026603 PMAQI
11th Aug 2026424 PMAQI
11th Aug 2026485 PMAQI
11th Aug 2026546 PMAQI
11th Aug 2026557 PMAQI
11th Aug 2026558 PMAQI
11th Aug 2026509 PMAQI
11th Aug 20265310 PMAQI
11th Aug 20266611 PMAQI
12th Aug 20266312 AMAQI
12th Aug 2026651 AMAQI
12th Aug 2026652 AMAQI
12th Aug 2026663 AMAQI
12th Aug 2026694 AMAQI
12th Aug 2026675 AMAQI
28°C19/37°C
12th Aug 2026726 AMAQI
12th Aug 2026707 AMAQI
12th Aug 2026678 AMAQI
12th Aug 2026749 AMAQI
12th Aug 20267410 AMAQI
12th Aug 20266611 AMAQI
12th Aug 20266912 PMAQI
12th Aug 2026521 PMAQI
12th Aug 2026522 PMAQI
12th Aug 2026523 PMAQI
12th Aug 2026404 PMAQI
12th Aug 2026365 PMAQI
12th Aug 2026466 PMAQI
12th Aug 2026467 PMAQI
12th Aug 2026528 PMAQI
12th Aug 2026539 PMAQI
12th Aug 20265210 PMAQI
12th Aug 20264611 PMAQI
13th Aug 20264912 AMAQI
13th Aug 2026511 AMAQI
13th Aug 2026532 AMAQI
13th Aug 2026623 AMAQI
13th Aug 2026674 AMAQI
13th Aug 2026685 AMAQI
26°C18/35°C
13th Aug 2026746 AMAQI
13th Aug 2026747 AMAQI
13th Aug 2026648 AMAQI
13th Aug 2026689 AMAQI
13th Aug 20267610 AMAQI
13th Aug 20266611 AMAQI
13th Aug 20264812 PMAQI
13th Aug 2026681 PMAQI
13th Aug 2026632 PMAQI
13th Aug 2026503 PMAQI
13th Aug 2026384 PMAQI
13th Aug 2026405 PMAQI
13th Aug 2026386 PMAQI
13th Aug 2026577 PMAQI
13th Aug 2026628 PMAQI
13th Aug 2026599 PMAQI
13th Aug 20265610 PMAQI
13th Aug 20265411 PMAQI
14th Aug 20265212 AMAQI
14th Aug 2026481 AMAQI
14th Aug 2026442 AMAQI
14th Aug 2026503 AMAQI
14th Aug 2026464 AMAQI
14th Aug 2026345 AMAQI
24°C17/33°C
14th Aug 2026466 AMAQI
14th Aug 2026487 AMAQI
14th Aug 2026528 AMAQI
14th Aug 2026489 AMAQI
14th Aug 20264410 AMAQI
14th Aug 20264811 AMAQI
14th Aug 20264612 PMAQI
14th Aug 2026521 PMAQI
14th Aug 2026512 PMAQI
14th Aug 2026563 PMAQI
14th Aug 2026544 PMAQI
14th Aug 2026515 PMAQI
14th Aug 2026496 PMAQI
14th Aug 2026467 PMAQI
14th Aug 2026468 PMAQI
14th Aug 2026489 PMAQI
14th Aug 20264210 PMAQI
14th Aug 20265011 PMAQI
15th Aug 20265512 AMAQI
15th Aug 2026521 AMAQI
15th Aug 2026402 AMAQI
15th Aug 2026423 AMAQI
15th Aug 2026484 AMAQI
15th Aug 2026405 AMAQI
22°C15/32°C
15th Aug 2026406 AMAQI
15th Aug 2026407 AMAQI
15th Aug 2026368 AMAQI
15th Aug 2026529 AMAQI
15th Aug 20265410 AMAQI
15th Aug 20265211 AMAQI
15th Aug 20263812 PMAQI
15th Aug 2026401 PMAQI
15th Aug 2026422 PMAQI
15th Aug 2026423 PMAQI
15th Aug 2026404 PMAQI
15th Aug 2026425 PMAQI
15th Aug 2026406 PMAQI
15th Aug 2026427 PMAQI
15th Aug 2026468 PMAQI
15th Aug 2026489 PMAQI
15th Aug 20264910 PMAQI
15th Aug 20265711 PMAQI
16th Aug 20265712 AMAQI
16th Aug 2026601 AMAQI
16th Aug 2026572 AMAQI
16th Aug 2026563 AMAQI
16th Aug 2026574 AMAQI
16th Aug 2026605 AMAQI
20°C8/31°C
16th Aug 2026576 AMAQI
6 AM16th Aug 2026577 AMAQI
16th Aug 2026518 AMAQI
16th Aug 2026489 AMAQI
16th Aug 20265010 AMAQI
16th Aug 20264211 AMAQI
16th Aug 20264412 PMAQI
16th Aug 2026541 PMAQI
1 PM16th Aug 2026362 PMAQI
16th Aug 2026563 PMAQI
16th Aug 2026424 PMAQI
16th Aug 2026505 PMAQI
16th Aug 2026406 PMAQI
16th Aug 2026407 PMAQI
16th Aug 2026568 PMAQI
8 PM16th Aug 2026529 PMAQI
16th Aug 20264610 PMAQI
16th Aug 20266711 PMAQI
1 AM
5 AM
20°C7/31°C
Day time
Avg. Highest Time
2 PM
58AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM
46AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 2 PM (Avg. 58), while the lowest AQI was between 6 PM to 6 PM (Avg. 46).
Night time
Avg. Highest Time
11 PM
55AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 5 AM
52AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 PM to 11 PM (Avg. 55), while the lowest AQI was between 12 AM to 5 AM (Avg. 52).
2026 Days Vs Air Quality
Etna 2, Yreka, California, United States
2026
90%
203
10%
22
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Good
203 DaysModerate
22 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 228 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
Etna 2, 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
39AQI (US)
39AQI (US)
2nd January 2026
15AQI (US)
15AQI (US)
3rd January 2026
10AQI (US)
10AQI (US)
4th January 2026
9AQI (US)
9AQI (US)
5th January 2026
20AQI (US)
20AQI (US)
6th January 2026
29AQI (US)
29AQI (US)
7th January 2026
23AQI (US)
23AQI (US)
8th January 2026
18AQI (US)
18AQI (US)
9th January 2026
29AQI (US)
29AQI (US)
10th January 2026
32AQI (US)
32AQI (US)
11th January 2026
33AQI (US)
33AQI (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
42AQI (US)
42AQI (US)
16th January 2026
42AQI (US)
42AQI (US)
17th January 2026
37AQI (US)
37AQI (US)
18th January 2026
42AQI (US)
42AQI (US)
19th January 2026
42AQI (US)
42AQI (US)
20th January 2026
41AQI (US)
41AQI (US)
21st January 2026
44AQI (US)
44AQI (US)
22nd January 2026
49AQI (US)
49AQI (US)
23rd January 2026
51AQI (US)
51AQI (US)
24th January 2026
47AQI (US)
47AQI (US)
25th January 2026
45AQI (US)
45AQI (US)
26th January 2026
44AQI (US)
44AQI (US)
27th January 2026
41AQI (US)
41AQI (US)
28th January 2026
44AQI (US)
44AQI (US)
29th January 2026
50AQI (US)
50AQI (US)
30th January 2026
49AQI (US)
49AQI (US)
31st January 2026
42AQI (US)
42AQI (US)
1st February 2026
44AQI (US)
44AQI (US)
2nd February 2026
46AQI (US)
46AQI (US)
3rd February 2026
46AQI (US)
46AQI (US)
4th February 2026
45AQI (US)
45AQI (US)
5th February 2026
45AQI (US)
45AQI (US)
6th February 2026
40AQI (US)
40AQI (US)
7th February 2026
39AQI (US)
39AQI (US)
8th February 2026
45AQI (US)
45AQI (US)
9th February 2026
44AQI (US)
44AQI (US)
10th February 2026
34AQI (US)
34AQI (US)
11th February 2026
28AQI (US)
28AQI (US)
12th February 2026
27AQI (US)
27AQI (US)
13th February 2026
28AQI (US)
28AQI (US)
14th February 2026
30AQI (US)
30AQI (US)
15th February 2026
40AQI (US)
40AQI (US)
16th February 2026
33AQI (US)
33AQI (US)
17th February 2026
37AQI (US)
37AQI (US)
18th February 2026
40AQI (US)
40AQI (US)
19th February 2026
31AQI (US)
31AQI (US)
20th February 2026
35AQI (US)
35AQI (US)
21st February 2026
36AQI (US)
36AQI (US)
22nd February 2026
37AQI (US)
37AQI (US)
23rd February 2026
36AQI (US)
36AQI (US)
24th February 2026
35AQI (US)
35AQI (US)
25th February 2026
32AQI (US)
32AQI (US)
26th February 2026
24AQI (US)
24AQI (US)
27th February 2026
18AQI (US)
18AQI (US)
28th February 2026
26AQI (US)
26AQI (US)
1st March 2026
41AQI (US)
41AQI (US)
2nd March 2026
50AQI (US)
50AQI (US)
3rd March 2026
43AQI (US)
43AQI (US)
4th March 2026
36AQI (US)
36AQI (US)
5th March 2026
22AQI (US)
22AQI (US)
6th March 2026
18AQI (US)
18AQI (US)
7th March 2026
24AQI (US)
24AQI (US)
8th March 2026
29AQI (US)
29AQI (US)
9th March 2026
20AQI (US)
20AQI (US)
10th March 2026
22AQI (US)
22AQI (US)
11th March 2026
31AQI (US)
31AQI (US)
12th March 2026
31AQI (US)
31AQI (US)
13th March 2026
31AQI (US)
31AQI (US)
14th March 2026
28AQI (US)
28AQI (US)
15th March 2026
23AQI (US)
23AQI (US)
16th March 2026
25AQI (US)
25AQI (US)
17th March 2026
28AQI (US)
28AQI (US)
18th March 2026
31AQI (US)
31AQI (US)
19th March 2026
31AQI (US)
31AQI (US)
20th March 2026
35AQI (US)
35AQI (US)
21st March 2026
32AQI (US)
32AQI (US)
22nd March 2026
32AQI (US)
32AQI (US)
23rd March 2026
37AQI (US)
37AQI (US)
24th March 2026
36AQI (US)
36AQI (US)
25th March 2026
32AQI (US)
32AQI (US)
26th March 2026
32AQI (US)
32AQI (US)
27th March 2026
34AQI (US)
34AQI (US)
28th March 2026
33AQI (US)
33AQI (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
29AQI (US)
29AQI (US)
2nd April 2026
19AQI (US)
19AQI (US)
3rd April 2026
20AQI (US)
20AQI (US)
4th April 2026
21AQI (US)
21AQI (US)
5th April 2026
21AQI (US)
21AQI (US)
6th April 2026
24AQI (US)
24AQI (US)
7th April 2026
24AQI (US)
24AQI (US)
8th April 2026
36AQI (US)
36AQI (US)
9th April 2026
28AQI (US)
28AQI (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
33AQI (US)
33AQI (US)
14th April 2026
32AQI (US)
32AQI (US)
15th April 2026
26AQI (US)
26AQI (US)
16th April 2026
28AQI (US)
28AQI (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
25AQI (US)
25AQI (US)
24th April 2026
27AQI (US)
27AQI (US)
25th April 2026
29AQI (US)
29AQI (US)
26th April 2026
33AQI (US)
33AQI (US)
27th April 2026
27AQI (US)
27AQI (US)
28th April 2026
23AQI (US)
23AQI (US)
29th April 2026
23AQI (US)
23AQI (US)
30th April 2026
25AQI (US)
25AQI (US)
1st May 2026
26AQI (US)
26AQI (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
31AQI (US)
31AQI (US)
6th May 2026
16AQI (US)
16AQI (US)
7th May 2026
18AQI (US)
18AQI (US)
8th May 2026
21AQI (US)
21AQI (US)
9th May 2026
10th May 2026
26AQI (US)
26AQI (US)
11th May 2026
24AQI (US)
24AQI (US)
12th May 2026
30AQI (US)
30AQI (US)
13th May 2026
22AQI (US)
22AQI (US)
14th May 2026
25AQI (US)
25AQI (US)
15th May 2026
37AQI (US)
37AQI (US)
16th May 2026
39AQI (US)
39AQI (US)
17th May 2026
39AQI (US)
39AQI (US)
18th May 2026
37AQI (US)
37AQI (US)
19th May 2026
33AQI (US)
33AQI (US)
20th May 2026
31AQI (US)
31AQI (US)
21st May 2026
30AQI (US)
30AQI (US)
22nd May 2026
27AQI (US)
27AQI (US)
23rd May 2026
28AQI (US)
28AQI (US)
24th May 2026
27AQI (US)
27AQI (US)
25th May 2026
23AQI (US)
23AQI (US)
26th May 2026
26AQI (US)
26AQI (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
30AQI (US)
30AQI (US)
2nd June 2026
31AQI (US)
31AQI (US)
3rd June 2026
29AQI (US)
29AQI (US)
4th June 2026
25AQI (US)
25AQI (US)
5th June 2026
27AQI (US)
27AQI (US)
6th June 2026
24AQI (US)
24AQI (US)
7th June 2026
24AQI (US)
24AQI (US)
8th June 2026
26AQI (US)
26AQI (US)
9th June 2026
25AQI (US)
25AQI (US)
10th June 2026
22AQI (US)
22AQI (US)
11th June 2026
27AQI (US)
27AQI (US)
12th June 2026
26AQI (US)
26AQI (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
24AQI (US)
24AQI (US)
20th June 2026
24AQI (US)
24AQI (US)
21st June 2026
22AQI (US)
22AQI (US)
22nd June 2026
24AQI (US)
24AQI (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
26AQI (US)
26AQI (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
24AQI (US)
24AQI (US)
5th July 2026
25AQI (US)
25AQI (US)
6th July 2026
27AQI (US)
27AQI (US)
7th July 2026
29AQI (US)
29AQI (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
27AQI (US)
27AQI (US)
16th July 2026
28AQI (US)
28AQI (US)
17th July 2026
64AQI (US)
64AQI (US)
18th July 2026
63AQI (US)
63AQI (US)
19th July 2026
59AQI (US)
59AQI (US)
20th July 2026
57AQI (US)
57AQI (US)
21st July 2026
46AQI (US)
46AQI (US)
22nd July 2026
60AQI (US)
60AQI (US)
23rd July 2026
39AQI (US)
39AQI (US)
24th July 2026
51AQI (US)
51AQI (US)
25th July 2026
53AQI (US)
53AQI (US)
26th July 2026
53AQI (US)
53AQI (US)
27th July 2026
47AQI (US)
47AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
45AQI (US)
45AQI (US)
30th July 2026
56AQI (US)
56AQI (US)
31st July 2026
51AQI (US)
51AQI (US)
1st August 2026
44AQI (US)
44AQI (US)
2nd August 2026
47AQI (US)
47AQI (US)
3rd August 2026
51AQI (US)
51AQI (US)
4th August 2026
51AQI (US)
51AQI (US)
5th August 2026
54AQI (US)
54AQI (US)
6th August 2026
60AQI (US)
60AQI (US)
7th August 2026
65AQI (US)
65AQI (US)
8th August 2026
53AQI (US)
53AQI (US)
9th August 2026
54AQI (US)
54AQI (US)
10th August 2026
57AQI (US)
57AQI (US)
11th August 2026
48AQI (US)
48AQI (US)
12th August 2026
59AQI (US)
59AQI (US)
13th August 2026
59AQI (US)
59AQI (US)
14th August 2026
48AQI (US)
48AQI (US)
15th August 2026
45AQI (US)
45AQI (US)
16th August 2026
51AQI (US)
51AQI (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
36AQI (US)
36AQI (US)
31AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
40AQI (US)
53AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202633AQI (US)
30
1
28
31
28
30
30
21
10
5
11
203
22
Highest AQI (US) recorded in
August53AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202531AQI (US)
25
6
28
31
30
31
30
31
31
30
31
27
3
25
6
350
15
Highest AQI (US) recorded in
January42AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202429AQI (US)
16
1
12
29
31
31
28
31
29
1
20
11
228
12
Highest AQI (US) recorded in
December44AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202339AQI (US)
1
12
5
3
3
31
46
5
4
Highest AQI (US) recorded in
August142AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202129AQI (US)
5
5
Highest AQI (US) recorded in
January29AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202087AQI (US)
2
2
4
7
8
3
6
2
2
10
3
18
3
34
15
8
5
6
2
Highest AQI (US) recorded in
October161AQI (US)
Lowest AQI (US) recorded in
December38AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
87AQI (US)Least Polluted Year Recorded
2021(Avg.)
29AQI (US)Etna 2's annual 2026 AQI (US) (33) shows an average percentage change of -8.6% (improved AQI (US)) compared to previous years: 2020 (87), 2021 (29), 2023 (39), 2024 (29), 2025 (31).
