Porterville, 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+
October Air Quality Analysis
Porterville, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Oct 2021
212AQILowest AQI recorded on
23rd Oct 2023
22AQISame Day Analysis (30th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 67 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 29th Oct - 30th Oct 2025
Porterville, California, United States
AQI
Day
Night
.
7 AM29th Oct 2025
6 PM
6 AM30th Oct 2025
Day time
Avg. Highest Time
1PM29th Oct
69AQI
Avg. Lowest Time
8AM29th Oct
44AQI
Night time
Avg. Highest Time
12AM30th Oct
83AQI
Avg. Lowest Time
6AM30th Oct
59AQI
In the last 24 hours,
Porterville's AQI reached its highest point of 83 at 12 AM during the Night, while the lowest point, 44, was recorded at 8 AM during the Day between 29th Oct and 30th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Porterville, California, United States
SepOct
30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th
Day
Night
30th Sep 2025447 AMAQI
30th Sep 2025338 AMAQI
30th Sep 2025419 AMAQI
30th Sep 20254510 AMAQI
30th Sep 20254011 AMAQI
30th Sep 20254212 PMAQI
30th Sep 2025421 PMAQI
30th Sep 2025472 PMAQI
30th Sep 2025443 PMAQI
30th Sep 2025434 PMAQI
30th Sep 2025445 PMAQI
30th Sep 2025476 PMAQI
30th Sep 2025347 PMAQI
30th Sep 2025368 PMAQI
30th Sep 2025449 PMAQI
30th Sep 20254210 PMAQI
30th Sep 20254611 PMAQI
1st Oct 20254612 AMAQI
1st Oct 2025451 AMAQI
1st Oct 2025442 AMAQI
1st Oct 2025373 AMAQI
1st Oct 2025284 AMAQI
1st Oct 2025305 AMAQI
1st Oct 2025306 AMAQI
--°C/°C
1st Oct 2025307 AMAQI
1st Oct 2025278 AMAQI
1st Oct 2025299 AMAQI
1st Oct 20253710 AMAQI
1st Oct 20253411 AMAQI
1st Oct 20254212 PMAQI
1st Oct 2025451 PMAQI
1st Oct 2025272 PMAQI
1st Oct 2025353 PMAQI
1st Oct 2025374 PMAQI
1st Oct 2025335 PMAQI
1st Oct 2025366 PMAQI
1st Oct 2025417 PMAQI
1st Oct 2025558 PMAQI
1st Oct 2025549 PMAQI
1st Oct 20256210 PMAQI
1st Oct 20255811 PMAQI
2nd Oct 20255712 AMAQI
2nd Oct 2025661 AMAQI
2nd Oct 2025682 AMAQI
2nd Oct 2025663 AMAQI
2nd Oct 2025654 AMAQI
2nd Oct 2025605 AMAQI
2nd Oct 2025576 AMAQI
22°C15/30°C
2nd Oct 2025607 AMAQI
2nd Oct 2025578 AMAQI
2nd Oct 2025569 AMAQI
2nd Oct 20255610 AMAQI
2nd Oct 20255211 AMAQI
2nd Oct 20254712 PMAQI
2nd Oct 2025571 PMAQI
2nd Oct 2025552 PMAQI
2nd Oct 2025503 PMAQI
2nd Oct 2025364 PMAQI
2nd Oct 2025375 PMAQI
2nd Oct 2025376 PMAQI
2nd Oct 2025387 PMAQI
2nd Oct 2025488 PMAQI
2nd Oct 2025469 PMAQI
2nd Oct 20254410 PMAQI
2nd Oct 20255711 PMAQI
3rd Oct 20255512 AMAQI
3rd Oct 2025541 AMAQI
3rd Oct 2025492 AMAQI
3rd Oct 2025473 AMAQI
3rd Oct 2025314 AMAQI
3rd Oct 2025405 AMAQI
3rd Oct 2025476 AMAQI
23°C16/31°C
3rd Oct 2025497 AMAQI
3rd Oct 2025398 AMAQI
3rd Oct 2025449 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20255311 AMAQI
3rd Oct 20253912 PMAQI
3rd Oct 2025341 PMAQI
3rd Oct 2025432 PMAQI
3rd Oct 2025443 PMAQI
3rd Oct 2025484 PMAQI
3rd Oct 2025365 PMAQI
3rd Oct 2025326 PMAQI
3rd Oct 2025347 PMAQI
3rd Oct 2025338 PMAQI
3rd Oct 2025349 PMAQI
3rd Oct 20253610 PMAQI
3rd Oct 20252611 PMAQI
4th Oct 20252612 AMAQI
4th Oct 2025491 AMAQI
4th Oct 2025492 AMAQI
4th Oct 2025233 AMAQI
4th Oct 2025234 AMAQI
4th Oct 2025245 AMAQI
4th Oct 2025286 AMAQI
20°C15/25°C
4th Oct 2025257 AMAQI
4th Oct 2025268 AMAQI
4th Oct 2025269 AMAQI
4th Oct 20253410 AMAQI
4th Oct 20254111 AMAQI
4th Oct 20254412 PMAQI
4th Oct 2025441 PMAQI
4th Oct 2025442 PMAQI
4th Oct 2025433 PMAQI
4th Oct 2025344 PMAQI
4th Oct 2025355 PMAQI
4th Oct 2025326 PMAQI
4th Oct 2025317 PMAQI
4th Oct 2025398 PMAQI
4th Oct 2025409 PMAQI
4th Oct 20254710 PMAQI
4th Oct 20254711 PMAQI
5th Oct 20254812 AMAQI
5th Oct 2025471 AMAQI
5th Oct 2025472 AMAQI
5th Oct 2025463 AMAQI
5th Oct 2025414 AMAQI
5th Oct 2025335 AMAQI
5th Oct 2025346 AMAQI
18°C10/27°C
5th Oct 2025427 AMAQI
5th Oct 2025418 AMAQI
5th Oct 2025379 AMAQI
5th Oct 20254410 AMAQI
5th Oct 20255011 AMAQI
5th Oct 20254812 PMAQI
5th Oct 2025421 PMAQI
5th Oct 2025532 PMAQI
5th Oct 2025553 PMAQI
5th Oct 2025494 PMAQI
5th Oct 2025535 PMAQI
5th Oct 2025376 PMAQI
5th Oct 2025217 PMAQI
5th Oct 2025228 PMAQI
5th Oct 2025319 PMAQI
5th Oct 20253910 PMAQI
5th Oct 20254911 PMAQI
6th Oct 20255912 AMAQI
6th Oct 2025581 AMAQI
6th Oct 2025532 AMAQI
6th Oct 2025493 AMAQI
6th Oct 2025434 AMAQI
6th Oct 2025545 AMAQI
6th Oct 2025506 AMAQI
21°C12/30°C
6th Oct 2025377 AMAQI
6th Oct 2025398 AMAQI
6th Oct 2025399 AMAQI
6th Oct 20254210 AMAQI
7th Oct 2025384 AMAQI
7th Oct 2025675 AMAQI
7th Oct 2025546 AMAQI
22°C12/33°C
7th Oct 2025517 AMAQI
7th Oct 2025458 AMAQI
7th Oct 2025469 AMAQI
7th Oct 20254510 AMAQI
7th Oct 20254611 AMAQI
7th Oct 20255012 PMAQI
7th Oct 2025561 PMAQI
7th Oct 2025562 PMAQI
7th Oct 2025563 PMAQI
7th Oct 2025624 PMAQI
7th Oct 2025605 PMAQI
7th Oct 2025536 PMAQI
7th Oct 2025557 PMAQI
7th Oct 2025538 PMAQI
7th Oct 2025509 PMAQI
7th Oct 20255810 PMAQI
7th Oct 20256911 PMAQI
8th Oct 20256712 AMAQI
8th Oct 2025661 AMAQI
8th Oct 2025672 AMAQI
8th Oct 2025643 AMAQI
8th Oct 2025574 AMAQI
8th Oct 2025545 AMAQI
8th Oct 2025506 AMAQI
23°C14/34°C
8th Oct 2025517 AMAQI
8th Oct 2025538 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20255810 AMAQI
8th Oct 20255911 AMAQI
8th Oct 20255312 PMAQI
8th Oct 2025521 PMAQI
8th Oct 2025532 PMAQI
8th Oct 2025583 PMAQI
8th Oct 2025594 PMAQI
8th Oct 2025585 PMAQI
8th Oct 2025566 PMAQI
8th Oct 2025527 PMAQI
8th Oct 2025578 PMAQI
8th Oct 2025559 PMAQI
8th Oct 20255010 PMAQI
8th Oct 20254511 PMAQI
9th Oct 20254712 AMAQI
9th Oct 2025381 AMAQI
9th Oct 2025332 AMAQI
9th Oct 2025513 AMAQI
9th Oct 2025524 AMAQI
9th Oct 2025545 AMAQI
9th Oct 2025516 AMAQI
22°C13/32°C
9th Oct 2025357 AMAQI
9th Oct 2025298 AMAQI
9th Oct 2025279 AMAQI
9th Oct 20255110 AMAQI
9th Oct 20254811 AMAQI
9th Oct 20254212 PMAQI
9th Oct 2025561 PMAQI
9th Oct 2025562 PMAQI
9th Oct 2025573 PMAQI
9th Oct 2025514 PMAQI
9th Oct 2025675 PMAQI
9th Oct 2025676 PMAQI
9th Oct 2025667 PMAQI
9th Oct 2025578 PMAQI
9th Oct 2025609 PMAQI
9th Oct 20257210 PMAQI
9th Oct 20257111 PMAQI
10th Oct 20256112 AMAQI
10th Oct 2025621 AMAQI
10th Oct 2025732 AMAQI
10th Oct 2025743 AMAQI
10th Oct 2025664 AMAQI
10th Oct 2025545 AMAQI
10th Oct 2025596 AMAQI
19°C11/28°C
10th Oct 2025607 AMAQI
10th Oct 2025528 AMAQI
10th Oct 2025549 AMAQI
10th Oct 20255310 AMAQI
10th Oct 20255411 AMAQI
10th Oct 20255412 PMAQI
10th Oct 2025561 PMAQI
10th Oct 2025602 PMAQI
10th Oct 2025663 PMAQI
10th Oct 2025684 PMAQI
10th Oct 2025665 PMAQI
10th Oct 2025626 PMAQI
10th Oct 2025607 PMAQI
10th Oct 2025608 PMAQI
10th Oct 2025599 PMAQI
10th Oct 20257610 PMAQI
10th Oct 20257011 PMAQI
11th Oct 20256512 AMAQI
11th Oct 2025641 AMAQI
11th Oct 2025692 AMAQI
11th Oct 2025503 AMAQI
11th Oct 2025494 AMAQI
11th Oct 2025565 AMAQI
11th Oct 2025556 AMAQI
19°C11/29°C
11th Oct 2025527 AMAQI
11th Oct 2025378 AMAQI
11th Oct 2025279 AMAQI
11th Oct 20253810 AMAQI
11th Oct 20253511 AMAQI
11th Oct 20252612 PMAQI
11th Oct 2025341 PMAQI
11th Oct 2025502 PMAQI
11th Oct 2025603 PMAQI
11th Oct 2025564 PMAQI
11th Oct 2025565 PMAQI
11th Oct 2025466 PMAQI
11th Oct 2025397 PMAQI
11th Oct 2025488 PMAQI
11th Oct 2025559 PMAQI
11th Oct 20255410 PMAQI
11th Oct 20255911 PMAQI
12th Oct 20256212 AMAQI
12th Oct 2025561 AMAQI
12th Oct 2025542 AMAQI
12th Oct 2025543 AMAQI
12th Oct 2025444 AMAQI
12th Oct 2025385 AMAQI
12th Oct 2025396 AMAQI
18°C11/25°C
12th Oct 2025447 AMAQI
12th Oct 2025508 AMAQI
12th Oct 2025389 AMAQI
12th Oct 20253810 AMAQI
12th Oct 20253811 AMAQI
12th Oct 20254212 PMAQI
12th Oct 2025451 PMAQI
12th Oct 2025332 PMAQI
12th Oct 2025213 PMAQI
12th Oct 2025334 PMAQI
12th Oct 2025385 PMAQI
12th Oct 2025386 PMAQI
12th Oct 2025317 PMAQI
12th Oct 2025368 PMAQI
12th Oct 2025369 PMAQI
12th Oct 20253310 PMAQI
12th Oct 20254911 PMAQI
13th Oct 20255512 AMAQI
13th Oct 2025551 AMAQI
13th Oct 2025542 AMAQI
13th Oct 2025503 AMAQI
13th Oct 2025434 AMAQI
13th Oct 2025465 AMAQI
13th Oct 2025466 AMAQI
16°C8/26°C
13th Oct 2025437 AMAQI
13th Oct 2025398 AMAQI
13th Oct 2025439 AMAQI
13th Oct 20255110 AMAQI
13th Oct 20254711 AMAQI
13th Oct 20254412 PMAQI
13th Oct 2025421 PMAQI
13th Oct 2025412 PMAQI
13th Oct 2025353 PMAQI
13th Oct 2025484 PMAQI
13th Oct 2025395 PMAQI
13th Oct 2025606 PMAQI
13th Oct 2025477 PMAQI
13th Oct 2025448 PMAQI
13th Oct 2025339 PMAQI
13th Oct 20253210 PMAQI
13th Oct 20254611 PMAQI
14th Oct 20254512 AMAQI
14th Oct 2025371 AMAQI
14th Oct 2025332 AMAQI
14th Oct 2025283 AMAQI
14th Oct 2025294 AMAQI
14th Oct 2025585 AMAQI
14th Oct 2025416 AMAQI
16°C8/26°C
14th Oct 2025237 AMAQI
14th Oct 2025238 AMAQI
14th Oct 2025269 AMAQI
14th Oct 20253110 AMAQI
14th Oct 20253011 AMAQI
14th Oct 20253212 PMAQI
14th Oct 2025401 PMAQI
14th Oct 2025522 PMAQI
14th Oct 2025403 PMAQI
14th Oct 2025264 PMAQI
14th Oct 2025305 PMAQI
14th Oct 2025276 PMAQI
14th Oct 2025257 PMAQI
14th Oct 2025288 PMAQI
14th Oct 2025339 PMAQI
14th Oct 20252710 PMAQI
14th Oct 20252611 PMAQI
15th Oct 20252612 AMAQI
15th Oct 2025261 AMAQI
15th Oct 2025252 AMAQI
15th Oct 2025233 AMAQI
15th Oct 2025364 AMAQI
15th Oct 2025455 AMAQI
15th Oct 2025386 AMAQI
14°C10/18°C
15th Oct 2025397 AMAQI
15th Oct 2025398 AMAQI
15th Oct 2025399 AMAQI
15th Oct 20251910 AMAQI
15th Oct 20253111 AMAQI
15th Oct 20253312 PMAQI
15th Oct 2025421 PMAQI
15th Oct 2025292 PMAQI
15th Oct 2025543 PMAQI
15th Oct 2025544 PMAQI
15th Oct 2025575 PMAQI
15th Oct 2025586 PMAQI
15th Oct 2025177 PMAQI
15th Oct 2025238 PMAQI
15th Oct 2025219 PMAQI
15th Oct 20252710 PMAQI
15th Oct 20253311 PMAQI
16th Oct 20253312 AMAQI
16th Oct 2025511 AMAQI
16th Oct 2025502 AMAQI
16th Oct 2025553 AMAQI
16th Oct 2025594 AMAQI
16th Oct 2025645 AMAQI
16th Oct 2025666 AMAQI
13°C8/19°C
16th Oct 2025577 AMAQI
16th Oct 2025578 AMAQI
16th Oct 2025569 AMAQI
16th Oct 20255310 AMAQI
16th Oct 20256311 AMAQI
16th Oct 20256212 PMAQI
16th Oct 2025601 PMAQI
16th Oct 2025682 PMAQI
16th Oct 2025663 PMAQI
16th Oct 2025604 PMAQI
16th Oct 2025585 PMAQI
16th Oct 2025596 PMAQI
16th Oct 2025477 PMAQI
16th Oct 2025448 PMAQI
16th Oct 2025429 PMAQI
16th Oct 20253910 PMAQI
16th Oct 20255511 PMAQI
17th Oct 20255912 AMAQI
17th Oct 2025601 AMAQI
17th Oct 2025642 AMAQI
17th Oct 2025643 AMAQI
17th Oct 2025704 AMAQI
17th Oct 2025675 AMAQI
17th Oct 2025606 AMAQI
13°C9/20°C
17th Oct 2025597 AMAQI
17th Oct 2025588 AMAQI
17th Oct 2025619 AMAQI
17th Oct 20256410 AMAQI
17th Oct 20255711 AMAQI
17th Oct 20256012 PMAQI
17th Oct 2025711 PMAQI
17th Oct 2025732 PMAQI
17th Oct 2025703 PMAQI
17th Oct 2025634 PMAQI
17th Oct 2025635 PMAQI
17th Oct 2025796 PMAQI
17th Oct 2025847 PMAQI
17th Oct 2025818 PMAQI
17th Oct 2025889 PMAQI
17th Oct 202510110 PMAQI
17th Oct 202510811 PMAQI
18th Oct 202511212 AMAQI
18th Oct 20251141 AMAQI
18th Oct 20251032 AMAQI
18th Oct 2025953 AMAQI
18th Oct 2025794 AMAQI
18th Oct 2025755 AMAQI
18th Oct 2025746 AMAQI
16°C9/25°C
18th Oct 2025677 AMAQI
18th Oct 2025728 AMAQI
18th Oct 2025549 AMAQI
18th Oct 20255410 AMAQI
18th Oct 20256511 AMAQI
18th Oct 20257812 PMAQI
18th Oct 2025741 PMAQI
18th Oct 2025722 PMAQI
18th Oct 2025753 PMAQI
18th Oct 2025624 PMAQI
18th Oct 2025695 PMAQI
18th Oct 2025796 PMAQI
18th Oct 2025727 PMAQI
18th Oct 2025678 PMAQI
18th Oct 2025659 PMAQI
18th Oct 20256810 PMAQI
18th Oct 20257511 PMAQI
19th Oct 20258812 AMAQI
19th Oct 2025891 AMAQI
19th Oct 2025862 AMAQI
19th Oct 2025783 AMAQI
19th Oct 2025614 AMAQI
19th Oct 2025755 AMAQI
19th Oct 20251176 AMAQI
18°C10/28°C
19th Oct 2025977 AMAQI
19th Oct 2025548 AMAQI
19th Oct 2025759 AMAQI
19th Oct 20258110 AMAQI
19th Oct 20258211 AMAQI
19th Oct 202510212 PMAQI
19th Oct 2025811 PMAQI
19th Oct 2025632 PMAQI
19th Oct 2025753 PMAQI
19th Oct 2025724 PMAQI
19th Oct 2025745 PMAQI
19th Oct 2025726 PMAQI
19th Oct 2025827 PMAQI
19th Oct 2025888 PMAQI
19th Oct 2025939 PMAQI
19th Oct 202510010 PMAQI
19th Oct 202510111 PMAQI
20th Oct 20259312 AMAQI
20th Oct 2025791 AMAQI
20th Oct 2025712 AMAQI
20th Oct 2025653 AMAQI
20th Oct 2025754 AMAQI
20th Oct 2025825 AMAQI
20th Oct 2025626 AMAQI
19°C10/30°C
20th Oct 2025737 AMAQI
20th Oct 2025928 AMAQI
20th Oct 2025909 AMAQI
20th Oct 20258710 AMAQI
20th Oct 20259211 AMAQI
20th Oct 20257812 PMAQI
20th Oct 2025581 PMAQI
20th Oct 2025592 PMAQI
20th Oct 2025693 PMAQI
20th Oct 2025774 PMAQI
20th Oct 2025775 PMAQI
20th Oct 2025776 PMAQI
20th Oct 2025757 PMAQI
20th Oct 2025698 PMAQI
20th Oct 2025729 PMAQI
20th Oct 20258210 PMAQI
20th Oct 20259011 PMAQI
21st Oct 20259712 AMAQI
21st Oct 2025901 AMAQI
21st Oct 2025802 AMAQI
21st Oct 2025793 AMAQI
21st Oct 2025754 AMAQI
21st Oct 2025725 AMAQI
21st Oct 2025696 AMAQI
19°C12/29°C
21st Oct 2025737 AMAQI
21st Oct 2025768 AMAQI
21st Oct 2025709 AMAQI
21st Oct 20256210 AMAQI
21st Oct 20256611 AMAQI
21st Oct 20257212 PMAQI
21st Oct 2025891 PMAQI
21st Oct 2025982 PMAQI
21st Oct 2025883 PMAQI
21st Oct 2025784 PMAQI
21st Oct 2025795 PMAQI
21st Oct 2025826 PMAQI
21st Oct 2025857 PMAQI
21st Oct 2025838 PMAQI
21st Oct 2025849 PMAQI
21st Oct 20259510 PMAQI
21st Oct 202510111 PMAQI
22nd Oct 202511312 AMAQI
22nd Oct 20251141 AMAQI
22nd Oct 20251022 AMAQI
22nd Oct 2025973 AMAQI
22nd Oct 2025904 AMAQI
22nd Oct 2025565 AMAQI
22nd Oct 2025286 AMAQI
20°C11/30°C
22nd Oct 2025287 AMAQI
22nd Oct 2025328 AMAQI
22nd Oct 2025419 AMAQI
22nd Oct 20254110 AMAQI
22nd Oct 20253611 AMAQI
22nd Oct 20252612 PMAQI
22nd Oct 2025231 PMAQI
22nd Oct 2025332 PMAQI
22nd Oct 2025393 PMAQI
22nd Oct 2025414 PMAQI
22nd Oct 2025495 PMAQI
22nd Oct 2025586 PMAQI
22nd Oct 2025617 PMAQI
22nd Oct 2025558 PMAQI
22nd Oct 2025569 PMAQI
22nd Oct 20256310 PMAQI
22nd Oct 20256211 PMAQI
23rd Oct 20255712 AMAQI
23rd Oct 2025571 AMAQI
23rd Oct 2025622 AMAQI
23rd Oct 2025603 AMAQI
23rd Oct 2025604 AMAQI
23rd Oct 2025565 AMAQI
23rd Oct 2025566 AMAQI
19°C14/25°C
23rd Oct 2025547 AMAQI
23rd Oct 2025538 AMAQI
23rd Oct 2025549 AMAQI
23rd Oct 20255610 AMAQI
23rd Oct 20255611 AMAQI
23rd Oct 20255812 PMAQI
23rd Oct 2025601 PMAQI
23rd Oct 2025562 PMAQI
23rd Oct 2025543 PMAQI
23rd Oct 2025534 PMAQI
23rd Oct 2025575 PMAQI
23rd Oct 2025606 PMAQI
23rd Oct 2025587 PMAQI
23rd Oct 2025578 PMAQI
23rd Oct 2025599 PMAQI
23rd Oct 20256210 PMAQI
23rd Oct 20256311 PMAQI
24th Oct 20256012 AMAQI
24th Oct 2025561 AMAQI
24th Oct 2025552 AMAQI
24th Oct 2025603 AMAQI
24th Oct 2025604 AMAQI
24th Oct 2025505 AMAQI
24th Oct 2025426 AMAQI
17°C11/23°C
24th Oct 2025427 AMAQI
24th Oct 2025448 AMAQI
24th Oct 2025409 AMAQI
24th Oct 20253510 AMAQI
24th Oct 20254711 AMAQI
24th Oct 20255612 PMAQI
24th Oct 2025601 PMAQI
24th Oct 2025612 PMAQI
24th Oct 2025583 PMAQI
24th Oct 2025604 PMAQI
24th Oct 2025625 PMAQI
24th Oct 2025626 PMAQI
24th Oct 2025597 PMAQI
24th Oct 2025578 PMAQI
24th Oct 2025509 PMAQI
24th Oct 20255210 PMAQI
24th Oct 20256511 PMAQI
25th Oct 20256612 AMAQI
25th Oct 2025691 AMAQI
25th Oct 2025632 AMAQI
25th Oct 2025563 AMAQI
25th Oct 2025564 AMAQI
25th Oct 2025535 AMAQI
25th Oct 2025536 AMAQI
17°C11/28°C
25th Oct 2025547 AMAQI
25th Oct 2025578 AMAQI
25th Oct 2025529 AMAQI
25th Oct 20254410 AMAQI
25th Oct 20254611 AMAQI
25th Oct 20255312 PMAQI
25th Oct 2025531 PMAQI
25th Oct 2025592 PMAQI
25th Oct 2025663 PMAQI
25th Oct 2025674 PMAQI
25th Oct 2025745 PMAQI
25th Oct 2025776 PMAQI
25th Oct 2025747 PMAQI
25th Oct 2025728 PMAQI
25th Oct 2025669 PMAQI
25th Oct 20257210 PMAQI
25th Oct 20258311 PMAQI
26th Oct 20258812 AMAQI
26th Oct 2025811 AMAQI
26th Oct 2025762 AMAQI
26th Oct 2025753 AMAQI
26th Oct 2025774 AMAQI
26th Oct 2025755 AMAQI
26th Oct 2025696 AMAQI
18°C10/27°C
26th Oct 2025667 AMAQI
26th Oct 2025648 AMAQI
26th Oct 2025639 AMAQI
26th Oct 20255910 AMAQI
26th Oct 20255611 AMAQI
26th Oct 20255712 PMAQI
26th Oct 2025521 PMAQI
26th Oct 2025422 PMAQI
26th Oct 2025283 PMAQI
26th Oct 2025254 PMAQI
26th Oct 2025285 PMAQI
26th Oct 2025256 PMAQI
26th Oct 2025227 PMAQI
26th Oct 2025418 PMAQI
26th Oct 2025529 PMAQI
26th Oct 20255010 PMAQI
26th Oct 20255611 PMAQI
27th Oct 20256212 AMAQI
27th Oct 2025661 AMAQI
27th Oct 2025652 AMAQI
27th Oct 2025603 AMAQI
27th Oct 2025564 AMAQI
27th Oct 2025575 AMAQI
27th Oct 2025576 AMAQI
17°C12/25°C
27th Oct 2025567 AMAQI
27th Oct 2025588 AMAQI
27th Oct 2025579 AMAQI
27th Oct 20255410 AMAQI
27th Oct 20255211 AMAQI
27th Oct 20255512 PMAQI
27th Oct 2025551 PMAQI
27th Oct 2025502 PMAQI
27th Oct 2025423 PMAQI
27th Oct 2025344 PMAQI
27th Oct 2025285 PMAQI
27th Oct 2025376 PMAQI
27th Oct 2025447 PMAQI
27th Oct 2025428 PMAQI
27th Oct 2025449 PMAQI
27th Oct 20254410 PMAQI
27th Oct 20253811 PMAQI
28th Oct 20254412 AMAQI
28th Oct 2025551 AMAQI
28th Oct 2025502 AMAQI
28th Oct 2025483 AMAQI
28th Oct 2025524 AMAQI
28th Oct 2025545 AMAQI
28th Oct 2025586 AMAQI
14°C10/18°C
28th Oct 2025517 AMAQI
28th Oct 2025448 AMAQI
28th Oct 2025469 AMAQI
28th Oct 20255210 AMAQI
28th Oct 20255411 AMAQI
28th Oct 20255412 PMAQI
28th Oct 2025531 PMAQI
28th Oct 2025532 PMAQI
28th Oct 2025603 PMAQI
28th Oct 2025614 PMAQI
28th Oct 2025555 PMAQI
28th Oct 2025576 PMAQI
28th Oct 2025587 PMAQI
28th Oct 2025658 PMAQI
28th Oct 2025719 PMAQI
28th Oct 20257210 PMAQI
28th Oct 20257811 PMAQI
29th Oct 20258112 AMAQI
29th Oct 2025731 AMAQI
29th Oct 2025662 AMAQI
29th Oct 2025623 AMAQI
29th Oct 2025624 AMAQI
29th Oct 2025605 AMAQI
29th Oct 2025556 AMAQI
14°C9/23°C
29th Oct 2025527 AMAQI
29th Oct 2025448 AMAQI
29th Oct 2025479 AMAQI
29th Oct 20255310 AMAQI
29th Oct 20255411 AMAQI
29th Oct 20256312 PMAQI
29th Oct 2025691 PMAQI
29th Oct 2025652 PMAQI
29th Oct 2025593 PMAQI
29th Oct 2025594 PMAQI
29th Oct 2025575 PMAQI
29th Oct 2025596 PMAQI
29th Oct 2025627 PMAQI
29th Oct 2025708 PMAQI
29th Oct 2025789 PMAQI
29th Oct 20257310 PMAQI
29th Oct 20257911 PMAQI
30th Oct 20258312 AMAQI
30th Oct 2025741 AMAQI
30th Oct 2025702 AMAQI
30th Oct 2025643 AMAQI
30th Oct 2025604 AMAQI
30th Oct 2025615 AMAQI
30th Oct 2025596 AMAQI
18°C9/28°C
30th Oct 2025607 AMAQI
7 AM30th Oct 2025598 AMAQI
30th Oct 2025549 AMAQI
30th Oct 20255510 AMAQI
30th Oct 20255811 AMAQI
30th Oct 20256312 PMAQI
12 PM30th Oct 2025641 PMAQI
30th Oct 2025632 PMAQI
30th Oct 2025663 PMAQI
30th Oct 2025674 PMAQI
30th Oct 2025685 PMAQI
30th Oct 2025716 PMAQI
6 PM30th Oct 2025727 PMAQI
30th Oct 2025728 PMAQI
12 AM
6 AM
21°C16/30°C
Day time
Avg. Highest Time
12 PM - 6 PM
54AQI
7 hours / Day
210 hours / Month
Avg. Lowest Time
8 AM - 9 AM
48AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 6 PM (Avg. 54), while the lowest AQI was between 8 AM to 9 AM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 1 AM
64AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 AM - 9 PM
53AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 64), while the lowest AQI was between 6 AM to 9 PM (Avg. 53).
2025 Days Vs Air Quality
Porterville, California, United States
2025
71%
216
29%
87
Total number of days with different AQI categories in last 304 days in 2025 (61 days remaining)
Good
216 DaysModerate
87 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 304 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
Porterville, California, United States
AQI levels in 2025
AQI
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 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
66AQI
66AQI
2nd January 2025
62AQI
62AQI
3rd January 2025
49AQI
49AQI
4th January 2025
30AQI
30AQI
5th January 2025
31AQI
31AQI
6th January 2025
35AQI
35AQI
7th January 2025
59AQI
59AQI
8th January 2025
58AQI
58AQI
9th January 2025
55AQI
55AQI
10th January 2025
44AQI
44AQI
11th January 2025
52AQI
52AQI
12th January 2025
46AQI
46AQI
13th January 2025
37AQI
37AQI
14th January 2025
44AQI
44AQI
15th January 2025
42AQI
42AQI
16th January 2025
40AQI
40AQI
17th January 2025
48AQI
48AQI
18th January 2025
63AQI
63AQI
19th January 2025
70AQI
70AQI
20th January 2025
74AQI
74AQI
21st January 2025
66AQI
66AQI
22nd January 2025
65AQI
65AQI
23rd January 2025
67AQI
67AQI
24th January 2025
56AQI
56AQI
25th January 2025
45AQI
45AQI
26th January 2025
35AQI
35AQI
27th January 2025
33AQI
33AQI
28th January 2025
35AQI
35AQI
29th January 2025
45AQI
45AQI
30th January 2025
57AQI
57AQI
31st January 2025
67AQI
67AQI
1st February 2025
62AQI
62AQI
2nd February 2025
36AQI
36AQI
3rd February 2025
32AQI
32AQI
4th February 2025
29AQI
29AQI
5th February 2025
24AQI
24AQI
6th February 2025
24AQI
24AQI
7th February 2025
25AQI
25AQI
8th February 2025
30AQI
30AQI
9th February 2025
42AQI
42AQI
10th February 2025
39AQI
39AQI
11th February 2025
39AQI
39AQI
12th February 2025
30AQI
30AQI
13th February 2025
23AQI
23AQI
14th February 2025
26AQI
26AQI
15th February 2025
28AQI
28AQI
16th February 2025
34AQI
34AQI
17th February 2025
36AQI
36AQI
18th February 2025
33AQI
33AQI
19th February 2025
34AQI
34AQI
20th February 2025
34AQI
34AQI
21st February 2025
38AQI
38AQI
22nd February 2025
43AQI
43AQI
23rd February 2025
41AQI
41AQI
24th February 2025
42AQI
42AQI
25th February 2025
36AQI
36AQI
26th February 2025
38AQI
38AQI
27th February 2025
40AQI
40AQI
28th February 2025
36AQI
36AQI
1st March 2025
39AQI
39AQI
2nd March 2025
30AQI
30AQI
3rd March 2025
23AQI
23AQI
4th March 2025
26AQI
26AQI
5th March 2025
29AQI
29AQI
6th March 2025
25AQI
25AQI
7th March 2025
27AQI
27AQI
8th March 2025
27AQI
27AQI
9th March 2025
29AQI
29AQI
10th March 2025
28AQI
28AQI
11th March 2025
29AQI
29AQI
12th March 2025
26AQI
26AQI
13th March 2025
20AQI
20AQI
14th March 2025
20AQI
20AQI
15th March 2025
27AQI
27AQI
16th March 2025
28AQI
28AQI
17th March 2025
21AQI
21AQI
18th March 2025
18AQI
18AQI
19th March 2025
22AQI
22AQI
20th March 2025
25AQI
25AQI
21st March 2025
26AQI
26AQI
22nd March 2025
28AQI
28AQI
23rd March 2025
32AQI
32AQI
24th March 2025
42AQI
42AQI
25th March 2025
50AQI
50AQI
26th March 2025
30AQI
30AQI
27th March 2025
22AQI
22AQI
28th March 2025
32AQI
32AQI
29th March 2025
30AQI
30AQI
30th March 2025
30AQI
30AQI
31st March 2025
21AQI
21AQI
1st April 2025
24AQI
24AQI
2nd April 2025
21AQI
21AQI
3rd April 2025
23AQI
23AQI
4th April 2025
28AQI
28AQI
5th April 2025
31AQI
31AQI
6th April 2025
30AQI
30AQI
7th April 2025
35AQI
35AQI
8th April 2025
38AQI
38AQI
9th April 2025
25AQI
25AQI
10th April 2025
23AQI
23AQI
11th April 2025
28AQI
28AQI
12th April 2025
50AQI
50AQI
13th April 2025
48AQI
48AQI
14th April 2025
53AQI
53AQI
15th April 2025
44AQI
44AQI
16th April 2025
48AQI
48AQI
17th April 2025
38AQI
38AQI
18th April 2025
42AQI
42AQI
19th April 2025
44AQI
44AQI
20th April 2025
45AQI
45AQI
21st April 2025
50AQI
50AQI
22nd April 2025
45AQI
45AQI
23rd April 2025
37AQI
37AQI
24th April 2025
42AQI
42AQI
25th April 2025
41AQI
41AQI
26th April 2025
27AQI
27AQI
27th April 2025
23AQI
23AQI
28th April 2025
32AQI
32AQI
29th April 2025
46AQI
46AQI
30th April 2025
48AQI
48AQI
1st May 2025
42AQI
42AQI
2nd May 2025
44AQI
44AQI
3rd May 2025
35AQI
35AQI
4th May 2025
36AQI
36AQI
5th May 2025
40AQI
40AQI
6th May 2025
41AQI
41AQI
7th May 2025
38AQI
38AQI
8th May 2025
52AQI
52AQI
9th May 2025
52AQI
52AQI
10th May 2025
47AQI
47AQI
11th May 2025
41AQI
41AQI
12th May 2025
30AQI
30AQI
13th May 2025
26AQI
26AQI
14th May 2025
28AQI
28AQI
15th May 2025
35AQI
35AQI
16th May 2025
41AQI
41AQI
17th May 2025
36AQI
36AQI
18th May 2025
28AQI
28AQI
19th May 2025
42AQI
42AQI
20th May 2025
40AQI
40AQI
21st May 2025
43AQI
43AQI
22nd May 2025
48AQI
48AQI
23rd May 2025
35AQI
35AQI
24th May 2025
41AQI
41AQI
25th May 2025
40AQI
40AQI
26th May 2025
31AQI
31AQI
27th May 2025
34AQI
34AQI
28th May 2025
43AQI
43AQI
29th May 2025
39AQI
39AQI
30th May 2025
52AQI
52AQI
31st May 2025
56AQI
56AQI
1st June 2025
43AQI
43AQI
2nd June 2025
43AQI
43AQI
3rd June 2025
42AQI
42AQI
4th June 2025
53AQI
53AQI
5th June 2025
48AQI
48AQI
6th June 2025
46AQI
46AQI
7th June 2025
53AQI
53AQI
8th June 2025
43AQI
43AQI
9th June 2025
51AQI
51AQI
10th June 2025
54AQI
54AQI
11th June 2025
49AQI
49AQI
12th June 2025
49AQI
49AQI
13th June 2025
48AQI
48AQI
14th June 2025
42AQI
42AQI
15th June 2025
43AQI
43AQI
16th June 2025
46AQI
46AQI
17th June 2025
43AQI
43AQI
18th June 2025
51AQI
51AQI
19th June 2025
54AQI
54AQI
20th June 2025
49AQI
49AQI
21st June 2025
43AQI
43AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
41AQI
41AQI
24th June 2025
44AQI
44AQI
25th June 2025
47AQI
47AQI
26th June 2025
52AQI
52AQI
27th June 2025
51AQI
51AQI
28th June 2025
49AQI
49AQI
29th June 2025
41AQI
41AQI
30th June 2025
37AQI
37AQI
1st July 2025
39AQI
39AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
48AQI
48AQI
4th July 2025
47AQI
47AQI
5th July 2025
53AQI
53AQI
6th July 2025
48AQI
48AQI
7th July 2025
46AQI
46AQI
8th July 2025
41AQI
41AQI
9th July 2025
43AQI
43AQI
10th July 2025
47AQI
47AQI
11th July 2025
54AQI
54AQI
12th July 2025
55AQI
55AQI
13th July 2025
50AQI
50AQI
14th July 2025
57AQI
57AQI
15th July 2025
55AQI
55AQI
16th July 2025
43AQI
43AQI
17th July 2025
39AQI
39AQI
18th July 2025
44AQI
44AQI
19th July 2025
50AQI
50AQI
20th July 2025
49AQI
49AQI
21st July 2025
35AQI
35AQI
22nd July 2025
28AQI
28AQI
23rd July 2025
28AQI
28AQI
24th July 2025
25AQI
25AQI
25th July 2025
25AQI
25AQI
26th July 2025
30AQI
30AQI
27th July 2025
30AQI
30AQI
28th July 2025
35AQI
35AQI
29th July 2025
40AQI
40AQI
30th July 2025
36AQI
36AQI
31st July 2025
38AQI
38AQI
1st August 2025
45AQI
45AQI
2nd August 2025
46AQI
46AQI
3rd August 2025
44AQI
44AQI
4th August 2025
42AQI
42AQI
5th August 2025
39AQI
39AQI
6th August 2025
44AQI
44AQI
7th August 2025
47AQI
47AQI
8th August 2025
46AQI
46AQI
9th August 2025
54AQI
54AQI
10th August 2025
54AQI
54AQI
11th August 2025
57AQI
57AQI
12th August 2025
56AQI
56AQI
13th August 2025
53AQI
53AQI
14th August 2025
51AQI
51AQI
15th August 2025
52AQI
52AQI
16th August 2025
38AQI
38AQI
17th August 2025
23AQI
23AQI
18th August 2025
35AQI
35AQI
19th August 2025
46AQI
46AQI
20th August 2025
48AQI
48AQI
21st August 2025
52AQI
52AQI
22nd August 2025
58AQI
58AQI
23rd August 2025
62AQI
62AQI
24th August 2025
63AQI
63AQI
25th August 2025
52AQI
52AQI
26th August 2025
49AQI
49AQI
27th August 2025
53AQI
53AQI
28th August 2025
50AQI
50AQI
29th August 2025
57AQI
57AQI
30th August 2025
54AQI
54AQI
31st August 2025
57AQI
57AQI
1st September 2025
53AQI
53AQI
2nd September 2025
57AQI
57AQI
3rd September 2025
57AQI
57AQI
4th September 2025
57AQI
57AQI
5th September 2025
58AQI
58AQI
6th September 2025
56AQI
56AQI
7th September 2025
44AQI
44AQI
8th September 2025
43AQI
43AQI
9th September 2025
38AQI
38AQI
10th September 2025
28AQI
28AQI
11th September 2025
31AQI
31AQI
12th September 2025
44AQI
44AQI
13th September 2025
53AQI
53AQI
14th September 2025
57AQI
57AQI
15th September 2025
52AQI
52AQI
16th September 2025
53AQI
53AQI
17th September 2025
52AQI
52AQI
18th September 2025
52AQI
52AQI
19th September 2025
53AQI
53AQI
20th September 2025
58AQI
58AQI
21st September 2025
57AQI
57AQI
22nd September 2025
50AQI
50AQI
23rd September 2025
50AQI
50AQI
24th September 2025
45AQI
45AQI
25th September 2025
44AQI
44AQI
26th September 2025
46AQI
46AQI
27th September 2025
42AQI
42AQI
28th September 2025
33AQI
33AQI
29th September 2025
41AQI
41AQI
30th September 2025
43AQI
43AQI
1st October 2025
39AQI
39AQI
2nd October 2025
54AQI
54AQI
3rd October 2025
42AQI
42AQI
4th October 2025
36AQI
36AQI
5th October 2025
44AQI
44AQI
6th October 2025
53AQI
53AQI
7th October 2025
53AQI
53AQI
8th October 2025
57AQI
57AQI
9th October 2025
52AQI
52AQI
10th October 2025
63AQI
63AQI
11th October 2025
51AQI
51AQI
12th October 2025
43AQI
43AQI
13th October 2025
47AQI
47AQI
14th October 2025
32AQI
32AQI
15th October 2025
33AQI
33AQI
16th October 2025
53AQI
53AQI
17th October 2025
71AQI
71AQI
18th October 2025
80AQI
80AQI
19th October 2025
83AQI
83AQI
20th October 2025
77AQI
77AQI
21st October 2025
82AQI
82AQI
22nd October 2025
65AQI
65AQI
23rd October 2025
58AQI
58AQI
24th October 2025
55AQI
55AQI
25th October 2025
63AQI
63AQI
26th October 2025
57AQI
57AQI
27th October 2025
51AQI
51AQI
28th October 2025
56AQI
56AQI
29th October 2025
64AQI
64AQI
30th October 2025
67AQI
67AQI
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
51AQI
35AQI
28AQI
37AQI
40AQI
47AQI
42AQI
49AQI
48AQI
56AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202543AQI
16
15
27
1
31
29
1
27
4
22
8
26
5
15
16
15
15
8
22
216
87
Highest AQI recorded in
October56AQI
Lowest AQI recorded in
March28AQI
202446AQI
24
7
29
31
21
9
26
5
19
10
9
22
14
17
14
16
12
19
16
14
19
8
4
234
127
4
Highest AQI recorded in
July56AQI
Lowest AQI recorded in
March29AQI
202343AQI
24
7
20
8
30
1
22
3
27
4
22
8
14
17
18
13
19
11
24
7
24
5
15
16
259
100
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
March31AQI
202246AQI
11
17
2
16
6
30
1
20
10
27
4
25
5
14
7
2
16
13
23
8
12
17
1
19
12
213
102
3
Highest AQI recorded in
August71AQI
Lowest AQI recorded in
March34AQI
202157AQI
11
15
4
14
14
28
2
27
3
27
4
21
9
13
18
4
21
6
10
15
3
2
16
8
3
2
2
4
20
6
21
7
3
196
136
25
4
2
Highest AQI recorded in
November75AQI
Lowest AQI recorded in
March36AQI
202065AQI
13
20
13
5
17
13
9
22
4
20
4
2
1
15
11
4
6
18
4
2
8
18
4
7
20
4
97
131
27
8
1
Highest AQI recorded in
September102AQI
Lowest AQI recorded in
March34AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2020(Avg.)
65AQILeast Polluted Year Recorded
2023(Avg.)
43AQIPorterville's annual 2025 AQI (43) shows an average percentage change of -13.7% (improved AQI) compared to previous years: 2020 (65), 2021 (57), 2022 (46), 2023 (43), 2024 (46).
