Simi Valley, 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
Simi Valley, California, United States
2022
2023
2024
2025
2026
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
5th Aug 2025
65AQILowest AQI recorded on
11th Aug 2023
24AQISame Day Analysis (6th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 46 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Simi Valley, California, United States
AQI
Day
Night
.
5 AM5th Aug 2026
8 PM
4 AM6th Aug 2026
Day time
Avg. Highest Time
2PM5th Aug
60AQI
Avg. Lowest Time
6AM5th Aug
46AQI
Night time
Avg. Highest Time
11PM5th Aug
50AQI
Avg. Lowest Time
4AM6th Aug
41AQI
In the last 24 hours,
Simi Valley's AQI reached its highest point of 60 at 2 PM during the Day, while the lowest point, 41, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Simi Valley, California, United States
JulAug
08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
8th Jul 2026245 AMAQI
8th Jul 2026246 AMAQI
8th Jul 2026247 AMAQI
8th Jul 2026288 AMAQI
8th Jul 2026329 AMAQI
8th Jul 20263610 AMAQI
8th Jul 20263611 AMAQI
8th Jul 20263212 PMAQI
8th Jul 2026341 PMAQI
8th Jul 2026442 PMAQI
8th Jul 2026423 PMAQI
8th Jul 2026444 PMAQI
8th Jul 2026465 PMAQI
8th Jul 2026446 PMAQI
8th Jul 2026427 PMAQI
8th Jul 2026388 PMAQI
8th Jul 2026389 PMAQI
8th Jul 20263610 PMAQI
8th Jul 20264211 PMAQI
9th Jul 20264812 AMAQI
9th Jul 2026361 AMAQI
9th Jul 2026482 AMAQI
9th Jul 2026483 AMAQI
9th Jul 2026424 AMAQI
25°C16/34°C
9th Jul 2026395 AMAQI
9th Jul 2026256 AMAQI
9th Jul 2026347 AMAQI
9th Jul 2026268 AMAQI
9th Jul 2026309 AMAQI
9th Jul 20263010 AMAQI
9th Jul 20263011 AMAQI
9th Jul 20263012 PMAQI
9th Jul 2026311 PMAQI
9th Jul 2026382 PMAQI
9th Jul 2026383 PMAQI
9th Jul 2026424 PMAQI
9th Jul 2026445 PMAQI
9th Jul 2026386 PMAQI
9th Jul 2026427 PMAQI
9th Jul 2026408 PMAQI
9th Jul 2026429 PMAQI
9th Jul 20263910 PMAQI
9th Jul 20264011 PMAQI
10th Jul 20265012 AMAQI
10th Jul 2026401 AMAQI
10th Jul 2026442 AMAQI
10th Jul 2026333 AMAQI
10th Jul 2026364 AMAQI
25°C18/34°C
10th Jul 2026365 AMAQI
10th Jul 2026326 AMAQI
10th Jul 2026327 AMAQI
10th Jul 2026268 AMAQI
10th Jul 2026229 AMAQI
10th Jul 20263010 AMAQI
10th Jul 20263211 AMAQI
10th Jul 20263612 PMAQI
10th Jul 2026341 PMAQI
10th Jul 2026462 PMAQI
10th Jul 2026493 PMAQI
10th Jul 2026504 PMAQI
10th Jul 2026485 PMAQI
10th Jul 2026466 PMAQI
10th Jul 2026447 PMAQI
10th Jul 2026398 PMAQI
10th Jul 2026389 PMAQI
10th Jul 20263210 PMAQI
10th Jul 20263211 PMAQI
11th Jul 20263312 AMAQI
11th Jul 2026441 AMAQI
11th Jul 2026502 AMAQI
11th Jul 2026463 AMAQI
11th Jul 2026514 AMAQI
23°C15/34°C
11th Jul 2026405 AMAQI
11th Jul 2026366 AMAQI
11th Jul 2026277 AMAQI
11th Jul 2026238 AMAQI
11th Jul 2026229 AMAQI
11th Jul 20262310 AMAQI
11th Jul 20262611 AMAQI
11th Jul 20263312 PMAQI
11th Jul 2026301 PMAQI
11th Jul 2026302 PMAQI
11th Jul 2026313 PMAQI
11th Jul 2026244 PMAQI
11th Jul 2026205 PMAQI
11th Jul 2026246 PMAQI
11th Jul 2026307 PMAQI
11th Jul 2026268 PMAQI
11th Jul 2026259 PMAQI
11th Jul 20262010 PMAQI
11th Jul 20261811 PMAQI
12th Jul 20261712 AMAQI
12th Jul 2026161 AMAQI
12th Jul 2026182 AMAQI
12th Jul 2026183 AMAQI
12th Jul 2026184 AMAQI
24°C16/35°C
12th Jul 2026275 AMAQI
12th Jul 2026206 AMAQI
12th Jul 2026187 AMAQI
12th Jul 2026278 AMAQI
12th Jul 2026389 AMAQI
12th Jul 20262710 AMAQI
12th Jul 20262711 AMAQI
12th Jul 20261812 PMAQI
12th Jul 2026401 PMAQI
12th Jul 2026362 PMAQI
12th Jul 2026233 PMAQI
12th Jul 2026204 PMAQI
12th Jul 2026295 PMAQI
12th Jul 2026386 PMAQI
12th Jul 2026367 PMAQI
12th Jul 2026268 PMAQI
12th Jul 2026279 PMAQI
12th Jul 20262410 PMAQI
12th Jul 20263111 PMAQI
13th Jul 20263812 AMAQI
13th Jul 2026421 AMAQI
13th Jul 2026362 AMAQI
13th Jul 2026383 AMAQI
13th Jul 2026424 AMAQI
24°C16/37°C
13th Jul 2026255 AMAQI
13th Jul 2026216 AMAQI
13th Jul 2026297 AMAQI
13th Jul 2026388 AMAQI
13th Jul 2026269 AMAQI
13th Jul 20262410 AMAQI
13th Jul 20263011 AMAQI
13th Jul 20262912 PMAQI
13th Jul 2026291 PMAQI
13th Jul 2026322 PMAQI
13th Jul 2026383 PMAQI
13th Jul 2026444 PMAQI
13th Jul 2026365 PMAQI
13th Jul 2026406 PMAQI
13th Jul 2026397 PMAQI
13th Jul 2026348 PMAQI
13th Jul 2026509 PMAQI
13th Jul 20266210 PMAQI
13th Jul 20266911 PMAQI
14th Jul 20266312 AMAQI
14th Jul 2026641 AMAQI
14th Jul 2026692 AMAQI
14th Jul 2026583 AMAQI
14th Jul 2026244 AMAQI
26°C19/37°C
14th Jul 2026445 AMAQI
14th Jul 2026486 AMAQI
14th Jul 2026447 AMAQI
14th Jul 2026208 AMAQI
14th Jul 2026539 AMAQI
14th Jul 20264210 AMAQI
14th Jul 20263611 AMAQI
14th Jul 20263212 PMAQI
14th Jul 2026321 PMAQI
14th Jul 2026362 PMAQI
14th Jul 2026373 PMAQI
14th Jul 2026294 PMAQI
14th Jul 2026285 PMAQI
14th Jul 2026316 PMAQI
14th Jul 2026347 PMAQI
14th Jul 2026408 PMAQI
14th Jul 2026409 PMAQI
14th Jul 20263210 PMAQI
14th Jul 20263011 PMAQI
15th Jul 20262812 AMAQI
15th Jul 2026311 AMAQI
15th Jul 2026322 AMAQI
15th Jul 2026263 AMAQI
15th Jul 2026254 AMAQI
26°C18/35°C
15th Jul 2026445 AMAQI
15th Jul 2026386 AMAQI
15th Jul 2026267 AMAQI
15th Jul 2026258 AMAQI
15th Jul 2026259 AMAQI
15th Jul 20262910 AMAQI
15th Jul 20262711 AMAQI
15th Jul 20262912 PMAQI
15th Jul 2026301 PMAQI
15th Jul 2026342 PMAQI
15th Jul 2026423 PMAQI
15th Jul 2026384 PMAQI
15th Jul 2026335 PMAQI
15th Jul 2026356 PMAQI
15th Jul 2026367 PMAQI
15th Jul 2026388 PMAQI
15th Jul 2026409 PMAQI
15th Jul 20264010 PMAQI
15th Jul 20263211 PMAQI
16th Jul 20262812 AMAQI
16th Jul 2026301 AMAQI
16th Jul 2026312 AMAQI
16th Jul 2026303 AMAQI
16th Jul 2026324 AMAQI
29°C20/38°C
16th Jul 2026315 AMAQI
16th Jul 2026336 AMAQI
16th Jul 2026287 AMAQI
16th Jul 2026328 AMAQI
16th Jul 2026329 AMAQI
16th Jul 20263410 AMAQI
16th Jul 20263011 AMAQI
16th Jul 20263312 PMAQI
16th Jul 2026301 PMAQI
16th Jul 2026432 PMAQI
16th Jul 2026503 PMAQI
16th Jul 2026504 PMAQI
16th Jul 2026505 PMAQI
16th Jul 2026496 PMAQI
16th Jul 2026507 PMAQI
16th Jul 2026488 PMAQI
16th Jul 2026469 PMAQI
16th Jul 20264010 PMAQI
16th Jul 20263611 PMAQI
17th Jul 20263412 AMAQI
17th Jul 2026331 AMAQI
17th Jul 2026522 AMAQI
17th Jul 2026553 AMAQI
17th Jul 2026524 AMAQI
28°C21/38°C
17th Jul 2026505 AMAQI
17th Jul 2026526 AMAQI
17th Jul 2026497 AMAQI
17th Jul 2026498 AMAQI
17th Jul 2026529 AMAQI
17th Jul 20265310 AMAQI
17th Jul 20265411 AMAQI
17th Jul 20265712 PMAQI
17th Jul 2026611 PMAQI
17th Jul 2026582 PMAQI
17th Jul 2026543 PMAQI
17th Jul 2026524 PMAQI
17th Jul 2026515 PMAQI
17th Jul 2026536 PMAQI
17th Jul 2026517 PMAQI
17th Jul 2026508 PMAQI
17th Jul 2026529 PMAQI
17th Jul 20264810 PMAQI
17th Jul 20264711 PMAQI
18th Jul 20265012 AMAQI
18th Jul 2026471 AMAQI
18th Jul 2026482 AMAQI
18th Jul 2026503 AMAQI
18th Jul 2026484 AMAQI
27°C20/37°C
18th Jul 2026445 AMAQI
18th Jul 2026466 AMAQI
18th Jul 2026517 AMAQI
18th Jul 2026488 AMAQI
18th Jul 2026489 AMAQI
18th Jul 20265010 AMAQI
18th Jul 20265011 AMAQI
18th Jul 20265412 PMAQI
18th Jul 2026521 PMAQI
18th Jul 2026522 PMAQI
18th Jul 2026463 PMAQI
18th Jul 2026474 PMAQI
18th Jul 2026485 PMAQI
18th Jul 2026476 PMAQI
18th Jul 2026507 PMAQI
18th Jul 2026518 PMAQI
18th Jul 2026529 PMAQI
18th Jul 20264510 PMAQI
18th Jul 20264711 PMAQI
19th Jul 20264212 AMAQI
19th Jul 2026461 AMAQI
19th Jul 2026442 AMAQI
19th Jul 2026473 AMAQI
19th Jul 2026474 AMAQI
25°C18/33°C
19th Jul 2026605 AMAQI
19th Jul 2026476 AMAQI
19th Jul 2026477 AMAQI
19th Jul 2026508 AMAQI
19th Jul 2026419 AMAQI
19th Jul 20264810 AMAQI
19th Jul 20264611 AMAQI
19th Jul 20264912 PMAQI
19th Jul 2026471 PMAQI
19th Jul 2026482 PMAQI
19th Jul 2026433 PMAQI
19th Jul 2026464 PMAQI
19th Jul 2026545 PMAQI
19th Jul 2026516 PMAQI
19th Jul 2026447 PMAQI
19th Jul 2026428 PMAQI
19th Jul 2026389 PMAQI
19th Jul 20264410 PMAQI
19th Jul 20264211 PMAQI
20th Jul 20264212 AMAQI
20th Jul 2026501 AMAQI
20th Jul 2026482 AMAQI
20th Jul 2026423 AMAQI
20th Jul 2026434 AMAQI
25°C18/34°C
20th Jul 2026435 AMAQI
20th Jul 2026466 AMAQI
20th Jul 2026477 AMAQI
20th Jul 2026448 AMAQI
20th Jul 2026459 AMAQI
20th Jul 20265310 AMAQI
20th Jul 20264511 AMAQI
20th Jul 20264612 PMAQI
20th Jul 2026541 PMAQI
20th Jul 2026522 PMAQI
20th Jul 2026443 PMAQI
20th Jul 2026424 PMAQI
20th Jul 2026465 PMAQI
20th Jul 2026476 PMAQI
20th Jul 2026457 PMAQI
20th Jul 2026449 PMAQI
20th Jul 20264010 PMAQI
20th Jul 20264211 PMAQI
21st Jul 20264312 AMAQI
21st Jul 2026411 AMAQI
21st Jul 2026452 AMAQI
21st Jul 2026503 AMAQI
21st Jul 2026454 AMAQI
26°C20/37°C
21st Jul 2026505 AMAQI
21st Jul 2026466 AMAQI
21st Jul 2026407 AMAQI
21st Jul 2026518 AMAQI
21st Jul 2026569 AMAQI
21st Jul 20264810 AMAQI
21st Jul 20264911 AMAQI
21st Jul 20264212 PMAQI
21st Jul 2026471 PMAQI
21st Jul 2026412 PMAQI
21st Jul 2026493 PMAQI
21st Jul 2026504 PMAQI
21st Jul 2026415 PMAQI
21st Jul 2026246 PMAQI
21st Jul 2026587 PMAQI
21st Jul 2026528 PMAQI
21st Jul 2026519 PMAQI
21st Jul 20265010 PMAQI
21st Jul 20264611 PMAQI
22nd Jul 20264612 AMAQI
22nd Jul 2026371 AMAQI
22nd Jul 2026462 AMAQI
22nd Jul 2026423 AMAQI
22nd Jul 2026464 AMAQI
26°C20/35°C
22nd Jul 2026505 AMAQI
22nd Jul 2026426 AMAQI
22nd Jul 2026447 AMAQI
22nd Jul 2026448 AMAQI
22nd Jul 2026459 AMAQI
22nd Jul 20264610 AMAQI
22nd Jul 20264211 AMAQI
22nd Jul 20264012 PMAQI
22nd Jul 2026421 PMAQI
22nd Jul 2026422 PMAQI
22nd Jul 2026423 PMAQI
22nd Jul 2026604 PMAQI
22nd Jul 2026445 PMAQI
22nd Jul 2026386 PMAQI
22nd Jul 2026467 PMAQI
22nd Jul 2026468 PMAQI
22nd Jul 2026469 PMAQI
22nd Jul 20264210 PMAQI
22nd Jul 20264611 PMAQI
23rd Jul 20264612 AMAQI
23rd Jul 2026381 AMAQI
23rd Jul 2026482 AMAQI
23rd Jul 2026463 AMAQI
23rd Jul 2026464 AMAQI
25°C19/33°C
23rd Jul 2026505 AMAQI
23rd Jul 2026466 AMAQI
23rd Jul 2026427 AMAQI
23rd Jul 2026468 AMAQI
23rd Jul 2026369 AMAQI
23rd Jul 20264510 AMAQI
23rd Jul 20264211 AMAQI
23rd Jul 20264812 PMAQI
23rd Jul 2026481 PMAQI
23rd Jul 2026542 PMAQI
23rd Jul 2026533 PMAQI
23rd Jul 2026524 PMAQI
23rd Jul 2026495 PMAQI
23rd Jul 2026436 PMAQI
23rd Jul 2026507 PMAQI
23rd Jul 2026518 PMAQI
23rd Jul 2026499 PMAQI
23rd Jul 20264410 PMAQI
23rd Jul 20264311 PMAQI
24th Jul 20264912 AMAQI
24th Jul 2026471 AMAQI
24th Jul 2026502 AMAQI
24th Jul 2026463 AMAQI
24th Jul 2026434 AMAQI
27°C18/37°C
24th Jul 2026485 AMAQI
24th Jul 2026506 AMAQI
24th Jul 2026507 AMAQI
24th Jul 2026468 AMAQI
24th Jul 2026499 AMAQI
24th Jul 20264710 AMAQI
24th Jul 20265011 AMAQI
24th Jul 20265912 PMAQI
24th Jul 2026501 PMAQI
24th Jul 2026462 PMAQI
24th Jul 2026463 PMAQI
24th Jul 2026504 PMAQI
24th Jul 2026535 PMAQI
24th Jul 2026506 PMAQI
24th Jul 2026547 PMAQI
24th Jul 2026568 PMAQI
24th Jul 2026529 PMAQI
24th Jul 20265010 PMAQI
24th Jul 20264311 PMAQI
25th Jul 20264812 AMAQI
25th Jul 2026501 AMAQI
25th Jul 2026502 AMAQI
25th Jul 2026493 AMAQI
25th Jul 2026484 AMAQI
28°C20/38°C
25th Jul 2026525 AMAQI
25th Jul 2026466 AMAQI
25th Jul 2026477 AMAQI
25th Jul 2026508 AMAQI
25th Jul 2026539 AMAQI
25th Jul 20265410 AMAQI
25th Jul 20265411 AMAQI
25th Jul 20265012 PMAQI
25th Jul 2026541 PMAQI
25th Jul 2026542 PMAQI
25th Jul 2026523 PMAQI
25th Jul 2026524 PMAQI
25th Jul 2026505 PMAQI
25th Jul 2026476 PMAQI
25th Jul 2026467 PMAQI
25th Jul 2026468 PMAQI
25th Jul 2026489 PMAQI
25th Jul 20264410 PMAQI
25th Jul 20264711 PMAQI
26th Jul 20264712 AMAQI
26th Jul 2026491 AMAQI
26th Jul 2026472 AMAQI
26th Jul 2026513 AMAQI
26th Jul 2026524 AMAQI
27°C20/37°C
26th Jul 2026545 AMAQI
26th Jul 2026516 AMAQI
26th Jul 2026427 AMAQI
26th Jul 2026508 AMAQI
26th Jul 2026529 AMAQI
26th Jul 20265010 AMAQI
26th Jul 20264811 AMAQI
26th Jul 20264812 PMAQI
26th Jul 2026471 PMAQI
26th Jul 2026432 PMAQI
26th Jul 2026453 PMAQI
26th Jul 2026464 PMAQI
26th Jul 2026495 PMAQI
26th Jul 2026566 PMAQI
26th Jul 2026587 PMAQI
26th Jul 2026478 PMAQI
26th Jul 2026439 PMAQI
26th Jul 20264110 PMAQI
26th Jul 20264511 PMAQI
27th Jul 20264912 AMAQI
27th Jul 2026441 AMAQI
27th Jul 2026442 AMAQI
27th Jul 2026483 AMAQI
27th Jul 2026454 AMAQI
28°C19/39°C
27th Jul 2026445 AMAQI
27th Jul 2026426 AMAQI
27th Jul 2026457 AMAQI
27th Jul 2026458 AMAQI
27th Jul 2026449 AMAQI
27th Jul 20264510 AMAQI
27th Jul 20264911 AMAQI
27th Jul 20264812 PMAQI
27th Jul 2026511 PMAQI
27th Jul 2026512 PMAQI
27th Jul 2026523 PMAQI
27th Jul 2026464 PMAQI
27th Jul 2026445 PMAQI
27th Jul 2026486 PMAQI
27th Jul 2026447 PMAQI
27th Jul 2026398 PMAQI
27th Jul 2026449 PMAQI
27th Jul 20264610 PMAQI
27th Jul 20264611 PMAQI
28th Jul 20264112 AMAQI
28th Jul 2026481 AMAQI
28th Jul 2026502 AMAQI
28th Jul 2026443 AMAQI
28th Jul 2026444 AMAQI
27°C19/36°C
28th Jul 2026475 AMAQI
28th Jul 2026476 AMAQI
28th Jul 2026457 AMAQI
28th Jul 2026438 AMAQI
28th Jul 2026469 AMAQI
28th Jul 20264310 AMAQI
28th Jul 20265011 AMAQI
28th Jul 20265212 PMAQI
28th Jul 2026521 PMAQI
28th Jul 2026522 PMAQI
28th Jul 2026493 PMAQI
28th Jul 2026534 PMAQI
28th Jul 2026525 PMAQI
28th Jul 2026506 PMAQI
28th Jul 2026527 PMAQI
28th Jul 2026518 PMAQI
28th Jul 2026509 PMAQI
28th Jul 20264810 PMAQI
28th Jul 20268211 PMAQI
29th Jul 20266012 AMAQI
29th Jul 2026541 AMAQI
29th Jul 2026522 AMAQI
29th Jul 2026523 AMAQI
29th Jul 2026514 AMAQI
26°C18/35°C
29th Jul 2026475 AMAQI
29th Jul 2026526 AMAQI
29th Jul 2026487 AMAQI
29th Jul 2026488 AMAQI
29th Jul 2026529 AMAQI
29th Jul 20265510 AMAQI
29th Jul 20265811 AMAQI
29th Jul 20265412 PMAQI
29th Jul 2026591 PMAQI
29th Jul 2026562 PMAQI
29th Jul 2026563 PMAQI
29th Jul 2026554 PMAQI
29th Jul 2026545 PMAQI
29th Jul 2026546 PMAQI
29th Jul 2026567 PMAQI
29th Jul 2026548 PMAQI
29th Jul 2026529 PMAQI
29th Jul 20264810 PMAQI
29th Jul 20264611 PMAQI
30th Jul 20264512 AMAQI
30th Jul 2026471 AMAQI
30th Jul 2026462 AMAQI
30th Jul 2026473 AMAQI
30th Jul 2026454 AMAQI
25°C19/33°C
30th Jul 2026505 AMAQI
30th Jul 2026486 AMAQI
30th Jul 2026497 AMAQI
30th Jul 2026508 AMAQI
30th Jul 2026519 AMAQI
30th Jul 20265010 AMAQI
30th Jul 20264911 AMAQI
30th Jul 20265212 PMAQI
30th Jul 2026521 PMAQI
30th Jul 2026522 PMAQI
30th Jul 2026543 PMAQI
30th Jul 2026524 PMAQI
30th Jul 2026535 PMAQI
30th Jul 2026506 PMAQI
30th Jul 2026477 PMAQI
30th Jul 2026488 PMAQI
30th Jul 2026489 PMAQI
30th Jul 20264710 PMAQI
30th Jul 20264711 PMAQI
31st Jul 20265012 AMAQI
31st Jul 2026521 AMAQI
31st Jul 2026502 AMAQI
31st Jul 2026443 AMAQI
31st Jul 2026524 AMAQI
25°C17/35°C
31st Jul 2026475 AMAQI
31st Jul 2026486 AMAQI
31st Jul 2026467 AMAQI
31st Jul 2026478 AMAQI
31st Jul 2026459 AMAQI
31st Jul 20264410 AMAQI
31st Jul 20264411 AMAQI
31st Jul 20264712 PMAQI
31st Jul 2026451 PMAQI
31st Jul 2026432 PMAQI
31st Jul 2026483 PMAQI
31st Jul 2026504 PMAQI
31st Jul 2026455 PMAQI
31st Jul 2026486 PMAQI
31st Jul 2026497 PMAQI
31st Jul 2026528 PMAQI
31st Jul 2026529 PMAQI
31st Jul 20265410 PMAQI
31st Jul 20265211 PMAQI
1st Aug 20264612 AMAQI
1st Aug 2026461 AMAQI
1st Aug 2026502 AMAQI
1st Aug 2026483 AMAQI
1st Aug 2026464 AMAQI
26°C17/37°C
1st Aug 2026525 AMAQI
1st Aug 2026516 AMAQI
1st Aug 2026497 AMAQI
1st Aug 2026478 AMAQI
1st Aug 2026499 AMAQI
1st Aug 20265210 AMAQI
1st Aug 20265411 AMAQI
1st Aug 20266012 PMAQI
1st Aug 2026481 PMAQI
1st Aug 2026522 PMAQI
1st Aug 2026483 PMAQI
1st Aug 2026504 PMAQI
1st Aug 2026515 PMAQI
1st Aug 2026546 PMAQI
1st Aug 2026537 PMAQI
1st Aug 2026538 PMAQI
1st Aug 2026529 PMAQI
1st Aug 20264610 PMAQI
1st Aug 20264611 PMAQI
2nd Aug 20264412 AMAQI
2nd Aug 2026451 AMAQI
2nd Aug 2026462 AMAQI
2nd Aug 2026483 AMAQI
2nd Aug 2026504 AMAQI
27°C19/39°C
2nd Aug 2026525 AMAQI
2nd Aug 2026506 AMAQI
2nd Aug 2026507 AMAQI
2nd Aug 2026508 AMAQI
2nd Aug 2026519 AMAQI
2nd Aug 20265410 AMAQI
2nd Aug 20265411 AMAQI
2nd Aug 20265212 PMAQI
2nd Aug 2026531 PMAQI
2nd Aug 2026502 PMAQI
2nd Aug 2026513 PMAQI
2nd Aug 2026484 PMAQI
2nd Aug 2026545 PMAQI
2nd Aug 2026446 PMAQI
2nd Aug 2026427 PMAQI
2nd Aug 2026468 PMAQI
2nd Aug 2026549 PMAQI
2nd Aug 20265210 PMAQI
2nd Aug 20265211 PMAQI
3rd Aug 20265112 AMAQI
3rd Aug 2026521 AMAQI
3rd Aug 2026542 AMAQI
3rd Aug 2026473 AMAQI
3rd Aug 2026454 AMAQI
26°C18/35°C
3rd Aug 2026425 AMAQI
3rd Aug 2026476 AMAQI
3rd Aug 2026497 AMAQI
3rd Aug 2026488 AMAQI
3rd Aug 2026529 AMAQI
3rd Aug 20264810 AMAQI
3rd Aug 20265211 AMAQI
3rd Aug 20265212 PMAQI
3rd Aug 2026521 PMAQI
3rd Aug 2026532 PMAQI
3rd Aug 2026543 PMAQI
3rd Aug 2026584 PMAQI
3rd Aug 2026525 PMAQI
3rd Aug 2026486 PMAQI
3rd Aug 2026477 PMAQI
3rd Aug 2026458 PMAQI
3rd Aug 2026459 PMAQI
3rd Aug 20264710 PMAQI
3rd Aug 20265111 PMAQI
4th Aug 20265312 AMAQI
4th Aug 2026501 AMAQI
4th Aug 2026522 AMAQI
4th Aug 2026543 AMAQI
4th Aug 2026454 AMAQI
25°C18/35°C
4th Aug 2026505 AMAQI
4th Aug 2026456 AMAQI
4th Aug 2026467 AMAQI
4th Aug 2026528 AMAQI
4th Aug 2026479 AMAQI
4th Aug 20264910 AMAQI
4th Aug 20264811 AMAQI
4th Aug 20264912 PMAQI
4th Aug 2026521 PMAQI
4th Aug 2026522 PMAQI
4th Aug 2026553 PMAQI
4th Aug 2026564 PMAQI
4th Aug 2026545 PMAQI
4th Aug 2026526 PMAQI
4th Aug 2026507 PMAQI
4th Aug 2026508 PMAQI
4th Aug 2026519 PMAQI
4th Aug 20264810 PMAQI
4th Aug 20265011 PMAQI
5th Aug 20264612 AMAQI
5th Aug 2026411 AMAQI
5th Aug 2026462 AMAQI
5th Aug 2026433 AMAQI
5th Aug 2026434 AMAQI
24°C16/32°C
5th Aug 2026425 AMAQI
5th Aug 2026466 AMAQI
5th Aug 2026477 AMAQI
5th Aug 2026528 AMAQI
5th Aug 2026509 AMAQI
5th Aug 20264910 AMAQI
5th Aug 20265211 AMAQI
5th Aug 20265212 PMAQI
5th Aug 2026561 PMAQI
5th Aug 2026602 PMAQI
5th Aug 2026563 PMAQI
5th Aug 2026564 PMAQI
5th Aug 2026525 PMAQI
5th Aug 2026506 PMAQI
5th Aug 2026507 PMAQI
5th Aug 2026478 PMAQI
5th Aug 2026459 PMAQI
5th Aug 20264610 PMAQI
5th Aug 20265011 PMAQI
6th Aug 20264712 AMAQI
6th Aug 2026441 AMAQI
6th Aug 2026432 AMAQI
6th Aug 2026443 AMAQI
6th Aug 2026414 AMAQI
24°C16/34°C
6th Aug 2026435 AMAQI
5 AM6th Aug 2026436 AMAQI
6th Aug 2026477 AMAQI
6th Aug 2026478 AMAQI
6th Aug 2026489 AMAQI
6th Aug 20264810 AMAQI
6th Aug 20264511 AMAQI
6th Aug 20265012 PMAQI
12 PM6th Aug 2026451 PMAQI
6th Aug 2026512 PMAQI
6th Aug 2026523 PMAQI
6th Aug 2026544 PMAQI
6th Aug 2026505 PMAQI
6th Aug 2026486 PMAQI
6th Aug 2026437 PMAQI
6th Aug 2026458 PMAQI
8 PM6th Aug 2026459 PMAQI
6th Aug 20264510 PMAQI
6th Aug 20264911 PMAQI
12 AM
4 AM
25°C17/38°C
Day time
Avg. Highest Time
2 PM - 8 PM
46AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
6 AM - 1 PM
43AQI
8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 PM to 8 PM (Avg. 46), while the lowest AQI was between 6 AM to 1 PM (Avg. 43).
Night time
Avg. Highest Time
2 AM
46AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
12 AM - 1 AM
44AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 2 AM to 2 AM (Avg. 46), while the lowest AQI was between 12 AM to 1 AM (Avg. 44).
2026 Days Vs Air Quality
Simi Valley, California, United States
2026
96%
207
4%
8
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Good
207 DaysModerate
8 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 218 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
Simi Valley, 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
17AQI (US)
17AQI (US)
2nd January 2026
21AQI (US)
21AQI (US)
3rd January 2026
15AQI (US)
15AQI (US)
4th January 2026
23AQI (US)
23AQI (US)
5th January 2026
25AQI (US)
25AQI (US)
6th January 2026
25AQI (US)
25AQI (US)
7th January 2026
26AQI (US)
26AQI (US)
8th January 2026
21AQI (US)
21AQI (US)
9th January 2026
18AQI (US)
18AQI (US)
10th January 2026
22AQI (US)
22AQI (US)
11th January 2026
18AQI (US)
18AQI (US)
12th January 2026
15AQI (US)
15AQI (US)
13th January 2026
16AQI (US)
16AQI (US)
14th January 2026
21AQI (US)
21AQI (US)
15th January 2026
24AQI (US)
24AQI (US)
16th January 2026
24AQI (US)
24AQI (US)
17th January 2026
19AQI (US)
19AQI (US)
18th January 2026
22AQI (US)
22AQI (US)
19th January 2026
23AQI (US)
23AQI (US)
20th January 2026
15AQI (US)
15AQI (US)
21st January 2026
26AQI (US)
26AQI (US)
22nd January 2026
46AQI (US)
46AQI (US)
23rd January 2026
46AQI (US)
46AQI (US)
24th January 2026
33AQI (US)
33AQI (US)
25th January 2026
40AQI (US)
40AQI (US)
26th January 2026
37AQI (US)
37AQI (US)
27th January 2026
30AQI (US)
30AQI (US)
28th January 2026
36AQI (US)
36AQI (US)
29th January 2026
44AQI (US)
44AQI (US)
30th January 2026
52AQI (US)
52AQI (US)
31st January 2026
34AQI (US)
34AQI (US)
1st February 2026
42AQI (US)
42AQI (US)
2nd February 2026
47AQI (US)
47AQI (US)
3rd February 2026
44AQI (US)
44AQI (US)
4th February 2026
33AQI (US)
33AQI (US)
5th February 2026
40AQI (US)
40AQI (US)
6th February 2026
40AQI (US)
40AQI (US)
7th February 2026
32AQI (US)
32AQI (US)
8th February 2026
32AQI (US)
32AQI (US)
9th February 2026
36AQI (US)
36AQI (US)
10th February 2026
38AQI (US)
38AQI (US)
11th February 2026
28AQI (US)
28AQI (US)
12th February 2026
24AQI (US)
24AQI (US)
13th February 2026
28AQI (US)
28AQI (US)
14th February 2026
33AQI (US)
33AQI (US)
15th February 2026
30AQI (US)
30AQI (US)
16th February 2026
40AQI (US)
40AQI (US)
17th February 2026
40AQI (US)
40AQI (US)
18th February 2026
34AQI (US)
34AQI (US)
19th February 2026
30AQI (US)
30AQI (US)
20th February 2026
26AQI (US)
26AQI (US)
21st February 2026
24AQI (US)
24AQI (US)
22nd February 2026
34AQI (US)
34AQI (US)
23rd February 2026
32AQI (US)
32AQI (US)
24th February 2026
30AQI (US)
30AQI (US)
25th February 2026
34AQI (US)
34AQI (US)
26th February 2026
27AQI (US)
27AQI (US)
27th February 2026
28AQI (US)
28AQI (US)
28th February 2026
24AQI (US)
24AQI (US)
1st March 2026
32AQI (US)
32AQI (US)
2nd March 2026
42AQI (US)
42AQI (US)
3rd March 2026
26AQI (US)
26AQI (US)
4th March 2026
37AQI (US)
37AQI (US)
5th March 2026
26AQI (US)
26AQI (US)
6th March 2026
18AQI (US)
18AQI (US)
7th March 2026
29AQI (US)
29AQI (US)
8th March 2026
29AQI (US)
29AQI (US)
9th March 2026
25AQI (US)
25AQI (US)
10th March 2026
27AQI (US)
27AQI (US)
11th March 2026
32AQI (US)
32AQI (US)
12th March 2026
27AQI (US)
27AQI (US)
13th March 2026
31AQI (US)
31AQI (US)
14th March 2026
25AQI (US)
25AQI (US)
15th March 2026
22AQI (US)
22AQI (US)
16th March 2026
23AQI (US)
23AQI (US)
17th March 2026
24AQI (US)
24AQI (US)
18th March 2026
24AQI (US)
24AQI (US)
19th March 2026
28AQI (US)
28AQI (US)
20th March 2026
40AQI (US)
40AQI (US)
21st March 2026
26AQI (US)
26AQI (US)
22nd March 2026
26AQI (US)
26AQI (US)
23rd March 2026
32AQI (US)
32AQI (US)
24th March 2026
32AQI (US)
32AQI (US)
25th March 2026
27AQI (US)
27AQI (US)
26th March 2026
21AQI (US)
21AQI (US)
27th March 2026
34AQI (US)
34AQI (US)
28th March 2026
22AQI (US)
22AQI (US)
29th March 2026
18AQI (US)
18AQI (US)
30th March 2026
24AQI (US)
24AQI (US)
31st March 2026
28AQI (US)
28AQI (US)
1st April 2026
22AQI (US)
22AQI (US)
2nd April 2026
17AQI (US)
17AQI (US)
3rd April 2026
32AQI (US)
32AQI (US)
4th April 2026
27AQI (US)
27AQI (US)
5th April 2026
24AQI (US)
24AQI (US)
6th April 2026
33AQI (US)
33AQI (US)
7th April 2026
30AQI (US)
30AQI (US)
8th April 2026
37AQI (US)
37AQI (US)
9th April 2026
27AQI (US)
27AQI (US)
10th April 2026
26AQI (US)
26AQI (US)
11th April 2026
28AQI (US)
28AQI (US)
12th April 2026
21AQI (US)
21AQI (US)
13th April 2026
19AQI (US)
19AQI (US)
14th April 2026
20AQI (US)
20AQI (US)
15th April 2026
30AQI (US)
30AQI (US)
16th April 2026
21AQI (US)
21AQI (US)
17th April 2026
18th April 2026
23AQI (US)
23AQI (US)
19th April 2026
30AQI (US)
30AQI (US)
20th April 2026
21AQI (US)
21AQI (US)
21st April 2026
15AQI (US)
15AQI (US)
22nd April 2026
23rd April 2026
18AQI (US)
18AQI (US)
24th April 2026
18AQI (US)
18AQI (US)
25th April 2026
22AQI (US)
22AQI (US)
26th April 2026
26AQI (US)
26AQI (US)
27th April 2026
18AQI (US)
18AQI (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
32AQI (US)
32AQI (US)
2nd May 2026
31AQI (US)
31AQI (US)
3rd May 2026
24AQI (US)
24AQI (US)
4th May 2026
30AQI (US)
30AQI (US)
5th May 2026
31AQI (US)
31AQI (US)
6th May 2026
29AQI (US)
29AQI (US)
7th May 2026
31AQI (US)
31AQI (US)
8th May 2026
38AQI (US)
38AQI (US)
9th May 2026
10th May 2026
30AQI (US)
30AQI (US)
11th May 2026
36AQI (US)
36AQI (US)
12th May 2026
31AQI (US)
31AQI (US)
13th May 2026
32AQI (US)
32AQI (US)
14th May 2026
29AQI (US)
29AQI (US)
15th May 2026
48AQI (US)
48AQI (US)
16th May 2026
50AQI (US)
50AQI (US)
17th May 2026
58AQI (US)
58AQI (US)
18th May 2026
54AQI (US)
54AQI (US)
19th May 2026
53AQI (US)
53AQI (US)
20th May 2026
50AQI (US)
50AQI (US)
21st May 2026
43AQI (US)
43AQI (US)
22nd May 2026
51AQI (US)
51AQI (US)
23rd May 2026
51AQI (US)
51AQI (US)
24th May 2026
42AQI (US)
42AQI (US)
25th May 2026
42AQI (US)
42AQI (US)
26th May 2026
25AQI (US)
25AQI (US)
27th May 2026
18AQI (US)
18AQI (US)
28th May 2026
14AQI (US)
14AQI (US)
29th May 2026
16AQI (US)
16AQI (US)
30th May 2026
16AQI (US)
16AQI (US)
31st May 2026
22AQI (US)
22AQI (US)
1st June 2026
33AQI (US)
33AQI (US)
2nd June 2026
38AQI (US)
38AQI (US)
3rd June 2026
39AQI (US)
39AQI (US)
4th June 2026
37AQI (US)
37AQI (US)
5th June 2026
26AQI (US)
26AQI (US)
6th June 2026
27AQI (US)
27AQI (US)
7th June 2026
30AQI (US)
30AQI (US)
8th June 2026
34AQI (US)
34AQI (US)
9th June 2026
28AQI (US)
28AQI (US)
10th June 2026
28AQI (US)
28AQI (US)
11th June 2026
30AQI (US)
30AQI (US)
12th June 2026
21AQI (US)
21AQI (US)
13th June 2026
20AQI (US)
20AQI (US)
14th June 2026
19AQI (US)
19AQI (US)
15th June 2026
24AQI (US)
24AQI (US)
16th June 2026
23AQI (US)
23AQI (US)
17th June 2026
26AQI (US)
26AQI (US)
18th June 2026
22AQI (US)
22AQI (US)
19th June 2026
23AQI (US)
23AQI (US)
20th June 2026
22AQI (US)
22AQI (US)
21st June 2026
30AQI (US)
30AQI (US)
22nd June 2026
24AQI (US)
24AQI (US)
23rd June 2026
35AQI (US)
35AQI (US)
24th June 2026
30AQI (US)
30AQI (US)
25th June 2026
23AQI (US)
23AQI (US)
26th June 2026
32AQI (US)
32AQI (US)
27th June 2026
26AQI (US)
26AQI (US)
28th June 2026
16AQI (US)
16AQI (US)
29th June 2026
25AQI (US)
25AQI (US)
30th June 2026
26AQI (US)
26AQI (US)
1st July 2026
20AQI (US)
20AQI (US)
2nd July 2026
34AQI (US)
34AQI (US)
3rd July 2026
25AQI (US)
25AQI (US)
4th July 2026
26AQI (US)
26AQI (US)
5th July 2026
37AQI (US)
37AQI (US)
6th July 2026
28AQI (US)
28AQI (US)
7th July 2026
56AQI (US)
56AQI (US)
8th July 2026
35AQI (US)
35AQI (US)
9th July 2026
38AQI (US)
38AQI (US)
10th July 2026
38AQI (US)
38AQI (US)
11th July 2026
31AQI (US)
31AQI (US)
12th July 2026
26AQI (US)
26AQI (US)
13th July 2026
37AQI (US)
37AQI (US)
14th July 2026
40AQI (US)
40AQI (US)
15th July 2026
32AQI (US)
32AQI (US)
16th July 2026
38AQI (US)
38AQI (US)
17th July 2026
50AQI (US)
50AQI (US)
18th July 2026
49AQI (US)
49AQI (US)
19th July 2026
46AQI (US)
46AQI (US)
20th July 2026
46AQI (US)
46AQI (US)
21st July 2026
46AQI (US)
46AQI (US)
22nd July 2026
44AQI (US)
44AQI (US)
23rd July 2026
46AQI (US)
46AQI (US)
24th July 2026
49AQI (US)
49AQI (US)
25th July 2026
50AQI (US)
50AQI (US)
26th July 2026
48AQI (US)
48AQI (US)
27th July 2026
46AQI (US)
46AQI (US)
28th July 2026
50AQI (US)
50AQI (US)
29th July 2026
53AQI (US)
53AQI (US)
30th July 2026
49AQI (US)
49AQI (US)
31st July 2026
48AQI (US)
48AQI (US)
1st August 2026
50AQI (US)
50AQI (US)
2nd August 2026
50AQI (US)
50AQI (US)
3rd August 2026
50AQI (US)
50AQI (US)
4th August 2026
50AQI (US)
50AQI (US)
5th August 2026
49AQI (US)
49AQI (US)
6th August 2026
46AQI (US)
46AQI (US)
7th August 2026
8th August 2026
9th August 2026
10th August 2026
11th August 2026
12th August 2026
13th August 2026
14th August 2026
15th August 2026
16th August 2026
17th August 2026
18th August 2026
19th August 2026
20th August 2026
21st August 2026
22nd August 2026
23rd August 2026
24th August 2026
25th August 2026
26th August 2026
27th August 2026
28th August 2026
29th August 2026
30th August 2026
31st August 2026
1st September 2026
2nd September 2026
3rd September 2026
4th September 2026
5th September 2026
6th September 2026
7th September 2026
8th September 2026
9th September 2026
10th September 2026
11th September 2026
12th September 2026
13th September 2026
14th September 2026
15th September 2026
16th September 2026
17th September 2026
18th September 2026
19th September 2026
20th September 2026
21st September 2026
22nd September 2026
23rd September 2026
24th September 2026
25th September 2026
26th September 2026
27th September 2026
28th September 2026
29th September 2026
30th September 2026
1st October 2026
2nd October 2026
3rd October 2026
4th October 2026
5th October 2026
6th October 2026
7th October 2026
8th October 2026
9th October 2026
10th October 2026
11th October 2026
12th October 2026
13th October 2026
14th October 2026
15th October 2026
16th October 2026
17th October 2026
18th October 2026
19th October 2026
20th October 2026
21st October 2026
22nd October 2026
23rd October 2026
24th October 2026
25th October 2026
26th October 2026
27th October 2026
28th October 2026
29th October 2026
30th October 2026
31st October 2026
1st November 2026
2nd November 2026
3rd November 2026
4th November 2026
5th November 2026
6th November 2026
7th November 2026
8th November 2026
9th November 2026
10th November 2026
11th November 2026
12th November 2026
13th November 2026
14th November 2026
15th November 2026
16th November 2026
17th November 2026
18th November 2026
19th November 2026
20th November 2026
21st November 2026
22nd November 2026
23rd November 2026
24th November 2026
25th November 2026
26th November 2026
27th November 2026
28th November 2026
29th November 2026
30th November 2026
1st December 2026
2nd December 2026
3rd December 2026
4th December 2026
5th December 2026
6th December 2026
7th December 2026
8th December 2026
9th December 2026
10th December 2026
11th December 2026
12th December 2026
13th December 2026
14th December 2026
15th December 2026
16th December 2026
17th December 2026
18th December 2026
19th December 2026
20th December 2026
21st December 2026
22nd December 2026
23rd December 2026
24th December 2026
25th December 2026
26th December 2026
27th December 2026
28th December 2026
29th December 2026
30th December 2026
31st December 2026
27AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
35AQI (US)
27AQI (US)
41AQI (US)
49AQI (US)
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202631AQI (US)
30
1
28
31
28
25
5
30
29
2
6
207
8
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202538AQI (US)
29
2
28
31
25
5
27
4
19
11
28
3
20
11
28
2
24
7
22
8
28
3
309
56
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
March29AQI (US)
202438AQI (US)
29
1
29
30
1
25
5
20
11
25
4
28
3
30
1
30
26
5
26
4
26
5
324
40
Highest AQI (US) recorded in
May46AQI (US)
Lowest AQI (US) recorded in
February28AQI (US)
202336AQI (US)
29
28
31
29
1
27
4
30
21
9
1
29
2
24
6
30
1
27
2
31
336
25
1
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202238AQI (US)
27
2
22
31
24
6
23
8
20
10
20
2
1
1
24
5
26
5
28
2
31
277
41
Highest AQI (US) recorded in
June47AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202141AQI (US)
28
1
25
3
30
1
25
5
25
6
25
5
19
12
22
9
21
9
29
2
21
8
1
26
5
296
66
1
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202041AQI (US)
13
20
18
30
25
6
23
8
9
21
16
14
28
2
30
1
212
52
Highest AQI (US) recorded in
September58AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Most Polluted Year Recorded
2021(Avg.)
41AQI (US)Least Polluted Year Recorded
2026(Avg.)
31AQI (US)Simi Valley's annual 2026 AQI (US) (31) shows an average percentage change of -19.6% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (41), 2022 (38), 2023 (36), 2024 (38), 2025 (38).
