Antioch, 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
Antioch, California, United States
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
18th Oct 2025
63AQILowest AQI recorded on
16th Oct 2024
16AQISame Day Analysis (26th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 26th Oct - 27th Oct 2025
Antioch, California, United States
AQI
Day
Night
.
7 AM26th Oct 2025
6 PM
6 AM27th Oct 2025
Day time
Avg. Highest Time
12PM26th Oct
55AQI
Avg. Lowest Time
7AM26th Oct
37AQI
Night time
Avg. Highest Time
1AM27th Oct
52AQI
Avg. Lowest Time
7PM26th Oct
33AQI
In the last 24 hours,
Antioch's AQI reached its highest point of 55 at 12 PM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 26th Oct and 27th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Antioch, California, United States
SepOct
27th - 28th28th - 29th29th - 30th30th - 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
Day
Night
27th Sep 2025627 AMAQI
27th Sep 2025608 AMAQI
27th Sep 2025619 AMAQI
27th Sep 20255810 AMAQI
27th Sep 20255711 AMAQI
27th Sep 20256112 PMAQI
27th Sep 2025571 PMAQI
27th Sep 2025562 PMAQI
27th Sep 2025553 PMAQI
27th Sep 2025564 PMAQI
27th Sep 2025525 PMAQI
27th Sep 2025526 PMAQI
27th Sep 2025527 PMAQI
27th Sep 2025488 PMAQI
27th Sep 2025489 PMAQI
27th Sep 20255110 PMAQI
27th Sep 20255611 PMAQI
28th Sep 20255512 AMAQI
28th Sep 2025531 AMAQI
28th Sep 2025562 AMAQI
28th Sep 2025553 AMAQI
28th Sep 2025554 AMAQI
28th Sep 2025535 AMAQI
28th Sep 2025526 AMAQI
22°C16/30°C
28th Sep 2025487 AMAQI
28th Sep 2025388 AMAQI
28th Sep 2025389 AMAQI
28th Sep 20253210 AMAQI
28th Sep 20253311 AMAQI
28th Sep 20254612 PMAQI
28th Sep 2025541 PMAQI
28th Sep 2025562 PMAQI
28th Sep 2025563 PMAQI
28th Sep 2025664 PMAQI
28th Sep 2025695 PMAQI
28th Sep 2025646 PMAQI
28th Sep 2025587 PMAQI
28th Sep 2025548 PMAQI
28th Sep 2025539 PMAQI
28th Sep 20255510 PMAQI
28th Sep 20255511 PMAQI
29th Sep 20255212 AMAQI
29th Sep 2025461 AMAQI
29th Sep 2025442 AMAQI
29th Sep 2025373 AMAQI
29th Sep 2025334 AMAQI
29th Sep 2025305 AMAQI
29th Sep 2025286 AMAQI
19°C16/24°C
29th Sep 2025307 AMAQI
29th Sep 2025338 AMAQI
29th Sep 2025329 AMAQI
29th Sep 20253910 AMAQI
29th Sep 20254011 AMAQI
29th Sep 20254712 PMAQI
29th Sep 2025361 PMAQI
29th Sep 2025372 PMAQI
29th Sep 2025343 PMAQI
29th Sep 2025414 PMAQI
29th Sep 2025475 PMAQI
29th Sep 2025486 PMAQI
29th Sep 2025507 PMAQI
29th Sep 2025468 PMAQI
29th Sep 2025349 PMAQI
29th Sep 20253410 PMAQI
29th Sep 20253611 PMAQI
30th Sep 20254012 AMAQI
30th Sep 2025361 AMAQI
30th Sep 2025392 AMAQI
30th Sep 2025373 AMAQI
30th Sep 2025424 AMAQI
30th Sep 2025465 AMAQI
30th Sep 2025496 AMAQI
21°C17/27°C
30th Sep 2025417 AMAQI
30th Sep 2025338 AMAQI
30th Sep 2025319 AMAQI
30th Sep 20252810 AMAQI
30th Sep 20253211 AMAQI
30th Sep 20253212 PMAQI
30th Sep 2025331 PMAQI
30th Sep 2025392 PMAQI
30th Sep 2025373 PMAQI
30th Sep 2025364 PMAQI
30th Sep 2025345 PMAQI
30th Sep 2025276 PMAQI
30th Sep 2025277 PMAQI
30th Sep 2025328 PMAQI
30th Sep 2025289 PMAQI
30th Sep 20252910 PMAQI
30th Sep 20252611 PMAQI
1st Oct 20252812 AMAQI
1st Oct 2025281 AMAQI
1st Oct 2025272 AMAQI
1st Oct 2025293 AMAQI
1st Oct 2025344 AMAQI
1st Oct 2025405 AMAQI
1st Oct 2025416 AMAQI
21°C16/27°C
1st Oct 2025397 AMAQI
1st Oct 2025358 AMAQI
1st Oct 2025509 AMAQI
1st Oct 20255010 AMAQI
1st Oct 20254211 AMAQI
1st Oct 20254412 PMAQI
1st Oct 2025491 PMAQI
1st Oct 2025482 PMAQI
1st Oct 2025473 PMAQI
1st Oct 2025484 PMAQI
1st Oct 2025465 PMAQI
1st Oct 2025446 PMAQI
1st Oct 2025517 PMAQI
1st Oct 2025378 PMAQI
1st Oct 2025389 PMAQI
1st Oct 20254510 PMAQI
1st Oct 20254411 PMAQI
2nd Oct 20254012 AMAQI
2nd Oct 2025451 AMAQI
2nd Oct 2025442 AMAQI
2nd Oct 2025423 AMAQI
2nd Oct 2025424 AMAQI
2nd Oct 2025505 AMAQI
2nd Oct 2025546 AMAQI
21°C18/25°C
2nd Oct 2025537 AMAQI
2nd Oct 2025418 AMAQI
2nd Oct 2025379 AMAQI
2nd Oct 20252410 AMAQI
2nd Oct 20251711 AMAQI
2nd Oct 20253912 PMAQI
2nd Oct 2025491 PMAQI
2nd Oct 2025522 PMAQI
2nd Oct 2025423 PMAQI
2nd Oct 2025524 PMAQI
2nd Oct 2025475 PMAQI
2nd Oct 2025496 PMAQI
2nd Oct 2025517 PMAQI
2nd Oct 2025548 PMAQI
2nd Oct 2025559 PMAQI
2nd Oct 20255610 PMAQI
2nd Oct 20255311 PMAQI
3rd Oct 20255512 AMAQI
3rd Oct 2025531 AMAQI
3rd Oct 2025532 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025464 AMAQI
3rd Oct 2025425 AMAQI
3rd Oct 2025556 AMAQI
19°C16/25°C
3rd Oct 2025547 AMAQI
3rd Oct 2025518 AMAQI
3rd Oct 2025569 AMAQI
3rd Oct 20256610 AMAQI
3rd Oct 20253911 AMAQI
3rd Oct 20254812 PMAQI
3rd Oct 2025481 PMAQI
3rd Oct 2025522 PMAQI
3rd Oct 2025563 PMAQI
3rd Oct 2025544 PMAQI
3rd Oct 2025555 PMAQI
3rd Oct 2025556 PMAQI
3rd Oct 2025567 PMAQI
3rd Oct 2025528 PMAQI
3rd Oct 2025569 PMAQI
3rd Oct 20255110 PMAQI
3rd Oct 20254911 PMAQI
4th Oct 20255212 AMAQI
4th Oct 2025511 AMAQI
4th Oct 2025542 AMAQI
4th Oct 2025563 AMAQI
4th Oct 2025574 AMAQI
4th Oct 2025615 AMAQI
4th Oct 2025536 AMAQI
18°C15/23°C
4th Oct 2025457 AMAQI
4th Oct 2025468 AMAQI
4th Oct 2025539 AMAQI
4th Oct 20255010 AMAQI
4th Oct 20254611 AMAQI
4th Oct 20255112 PMAQI
4th Oct 2025501 PMAQI
4th Oct 2025512 PMAQI
4th Oct 2025493 PMAQI
4th Oct 2025474 PMAQI
4th Oct 2025545 PMAQI
4th Oct 2025516 PMAQI
4th Oct 2025477 PMAQI
4th Oct 2025518 PMAQI
4th Oct 2025539 PMAQI
4th Oct 20255710 PMAQI
4th Oct 20255511 PMAQI
5th Oct 20255712 AMAQI
5th Oct 2025581 AMAQI
5th Oct 2025602 AMAQI
5th Oct 2025543 AMAQI
5th Oct 2025514 AMAQI
5th Oct 2025455 AMAQI
5th Oct 2025516 AMAQI
20°C14/29°C
5th Oct 2025497 AMAQI
5th Oct 2025458 AMAQI
5th Oct 2025489 AMAQI
5th Oct 20255710 AMAQI
5th Oct 20255811 AMAQI
5th Oct 20256012 PMAQI
5th Oct 2025581 PMAQI
5th Oct 2025552 PMAQI
5th Oct 2025513 PMAQI
5th Oct 2025554 PMAQI
5th Oct 2025535 PMAQI
5th Oct 2025516 PMAQI
5th Oct 2025527 PMAQI
5th Oct 2025538 PMAQI
5th Oct 2025559 PMAQI
5th Oct 20255710 PMAQI
5th Oct 20255911 PMAQI
6th Oct 20256312 AMAQI
6th Oct 2025591 AMAQI
6th Oct 2025582 AMAQI
6th Oct 2025563 AMAQI
6th Oct 2025554 AMAQI
6th Oct 2025645 AMAQI
6th Oct 2025436 AMAQI
21°C14/30°C
6th Oct 2025447 AMAQI
6th Oct 2025398 AMAQI
6th Oct 2025639 AMAQI
6th Oct 20251310 AMAQI
7th Oct 2025144 AMAQI
7th Oct 2025265 AMAQI
7th Oct 2025436 AMAQI
22°C15/33°C
7th Oct 2025477 AMAQI
7th Oct 2025458 AMAQI
7th Oct 2025529 AMAQI
7th Oct 20255310 AMAQI
7th Oct 20255311 AMAQI
7th Oct 20255012 PMAQI
7th Oct 2025521 PMAQI
7th Oct 2025522 PMAQI
7th Oct 2025463 PMAQI
7th Oct 2025404 PMAQI
7th Oct 2025425 PMAQI
7th Oct 2025456 PMAQI
7th Oct 2025477 PMAQI
7th Oct 2025488 PMAQI
7th Oct 2025589 PMAQI
7th Oct 20255810 PMAQI
7th Oct 20255711 PMAQI
8th Oct 20255712 AMAQI
8th Oct 2025601 AMAQI
8th Oct 2025582 AMAQI
8th Oct 2025583 AMAQI
8th Oct 2025584 AMAQI
8th Oct 2025595 AMAQI
8th Oct 2025566 AMAQI
24°C15/35°C
8th Oct 2025547 AMAQI
8th Oct 2025558 AMAQI
8th Oct 2025669 AMAQI
8th Oct 20255710 AMAQI
8th Oct 20255711 AMAQI
8th Oct 20256212 PMAQI
8th Oct 2025661 PMAQI
8th Oct 2025662 PMAQI
8th Oct 2025563 PMAQI
8th Oct 2025564 PMAQI
8th Oct 2025565 PMAQI
8th Oct 2025566 PMAQI
8th Oct 2025577 PMAQI
8th Oct 2025598 PMAQI
8th Oct 2025579 PMAQI
8th Oct 20255710 PMAQI
8th Oct 20256011 PMAQI
9th Oct 20256512 AMAQI
9th Oct 2025531 AMAQI
9th Oct 2025452 AMAQI
9th Oct 2025443 AMAQI
9th Oct 2025454 AMAQI
9th Oct 2025485 AMAQI
9th Oct 2025536 AMAQI
20°C16/26°C
9th Oct 2025567 AMAQI
9th Oct 2025588 AMAQI
9th Oct 2025569 AMAQI
9th Oct 20256610 AMAQI
9th Oct 20256211 AMAQI
9th Oct 20256212 PMAQI
9th Oct 2025591 PMAQI
9th Oct 2025572 PMAQI
9th Oct 2025553 PMAQI
9th Oct 2025554 PMAQI
9th Oct 2025545 PMAQI
9th Oct 2025556 PMAQI
9th Oct 2025507 PMAQI
9th Oct 2025508 PMAQI
9th Oct 2025529 PMAQI
9th Oct 20255910 PMAQI
9th Oct 20255911 PMAQI
10th Oct 20255612 AMAQI
10th Oct 2025531 AMAQI
10th Oct 2025452 AMAQI
10th Oct 2025543 AMAQI
10th Oct 2025584 AMAQI
10th Oct 2025665 AMAQI
10th Oct 2025616 AMAQI
18°C13/23°C
10th Oct 2025427 AMAQI
10th Oct 2025428 AMAQI
10th Oct 2025499 AMAQI
10th Oct 20254610 AMAQI
10th Oct 20254811 AMAQI
10th Oct 20255312 PMAQI
10th Oct 2025561 PMAQI
10th Oct 2025542 PMAQI
10th Oct 2025533 PMAQI
10th Oct 2025584 PMAQI
10th Oct 2025495 PMAQI
10th Oct 2025436 PMAQI
10th Oct 2025177 PMAQI
10th Oct 2025208 PMAQI
10th Oct 2025429 PMAQI
10th Oct 20254710 PMAQI
10th Oct 20255511 PMAQI
11th Oct 20256112 AMAQI
11th Oct 2025451 AMAQI
11th Oct 2025422 AMAQI
11th Oct 2025513 AMAQI
11th Oct 2025484 AMAQI
11th Oct 2025435 AMAQI
11th Oct 2025326 AMAQI
19°C13/27°C
11th Oct 2025287 AMAQI
11th Oct 2025558 AMAQI
11th Oct 2025399 AMAQI
11th Oct 20253910 AMAQI
11th Oct 20252111 AMAQI
11th Oct 20252212 PMAQI
11th Oct 2025181 PMAQI
11th Oct 2025432 PMAQI
11th Oct 2025323 PMAQI
11th Oct 2025184 PMAQI
11th Oct 2025425 PMAQI
11th Oct 2025576 PMAQI
11th Oct 2025537 PMAQI
11th Oct 2025488 PMAQI
11th Oct 2025549 PMAQI
11th Oct 20255510 PMAQI
11th Oct 20255511 PMAQI
12th Oct 20255312 AMAQI
12th Oct 2025501 AMAQI
12th Oct 2025482 AMAQI
12th Oct 2025523 AMAQI
12th Oct 2025494 AMAQI
12th Oct 2025685 AMAQI
12th Oct 2025566 AMAQI
18°C13/25°C
12th Oct 2025407 AMAQI
12th Oct 2025298 AMAQI
12th Oct 2025549 AMAQI
12th Oct 20256010 AMAQI
12th Oct 20255711 AMAQI
12th Oct 20253912 PMAQI
12th Oct 2025231 PMAQI
12th Oct 2025402 PMAQI
12th Oct 2025573 PMAQI
12th Oct 2025564 PMAQI
12th Oct 2025395 PMAQI
12th Oct 2025476 PMAQI
12th Oct 2025407 PMAQI
12th Oct 2025318 PMAQI
12th Oct 2025539 PMAQI
12th Oct 20255210 PMAQI
12th Oct 20255911 PMAQI
13th Oct 20255612 AMAQI
13th Oct 2025561 AMAQI
13th Oct 2025652 AMAQI
13th Oct 2025673 AMAQI
13th Oct 2025584 AMAQI
13th Oct 2025555 AMAQI
13th Oct 2025606 AMAQI
18°C12/26°C
13th Oct 2025547 AMAQI
13th Oct 2025478 AMAQI
13th Oct 2025489 AMAQI
13th Oct 20255310 AMAQI
13th Oct 20255211 AMAQI
13th Oct 20255312 PMAQI
13th Oct 2025581 PMAQI
13th Oct 2025582 PMAQI
13th Oct 2025503 PMAQI
13th Oct 2025454 PMAQI
13th Oct 2025485 PMAQI
13th Oct 2025546 PMAQI
13th Oct 2025547 PMAQI
13th Oct 2025548 PMAQI
13th Oct 2025549 PMAQI
13th Oct 20254510 PMAQI
13th Oct 20254311 PMAQI
14th Oct 20255412 AMAQI
14th Oct 2025561 AMAQI
14th Oct 2025422 AMAQI
14th Oct 2025483 AMAQI
14th Oct 2025554 AMAQI
14th Oct 2025585 AMAQI
14th Oct 2025566 AMAQI
15°C11/19°C
14th Oct 2025587 AMAQI
14th Oct 2025628 AMAQI
14th Oct 2025589 AMAQI
14th Oct 20256410 AMAQI
14th Oct 20254911 AMAQI
14th Oct 20255512 PMAQI
14th Oct 2025551 PMAQI
14th Oct 2025342 PMAQI
14th Oct 2025343 PMAQI
14th Oct 2025454 PMAQI
14th Oct 2025405 PMAQI
14th Oct 2025546 PMAQI
14th Oct 2025557 PMAQI
14th Oct 2025568 PMAQI
14th Oct 2025529 PMAQI
14th Oct 20255210 PMAQI
14th Oct 20254211 PMAQI
15th Oct 20254412 AMAQI
15th Oct 2025481 AMAQI
15th Oct 2025412 AMAQI
15th Oct 2025453 AMAQI
15th Oct 2025474 AMAQI
15th Oct 2025505 AMAQI
15th Oct 2025516 AMAQI
13°C11/16°C
15th Oct 2025467 AMAQI
15th Oct 2025618 AMAQI
15th Oct 2025589 AMAQI
15th Oct 20254910 AMAQI
15th Oct 20254811 AMAQI
15th Oct 20254712 PMAQI
15th Oct 2025501 PMAQI
15th Oct 2025542 PMAQI
15th Oct 2025523 PMAQI
15th Oct 2025524 PMAQI
15th Oct 2025565 PMAQI
15th Oct 2025556 PMAQI
15th Oct 2025487 PMAQI
15th Oct 2025468 PMAQI
15th Oct 2025469 PMAQI
15th Oct 20254810 PMAQI
15th Oct 20255211 PMAQI
16th Oct 20255212 AMAQI
16th Oct 2025491 AMAQI
16th Oct 2025532 AMAQI
16th Oct 2025543 AMAQI
16th Oct 2025514 AMAQI
16th Oct 2025515 AMAQI
16th Oct 2025566 AMAQI
14°C12/19°C
16th Oct 2025577 AMAQI
16th Oct 2025418 AMAQI
16th Oct 2025329 AMAQI
16th Oct 20255410 AMAQI
16th Oct 20256511 AMAQI
16th Oct 20256712 PMAQI
16th Oct 2025491 PMAQI
16th Oct 2025502 PMAQI
16th Oct 2025453 PMAQI
16th Oct 2025214 PMAQI
16th Oct 2025435 PMAQI
16th Oct 2025536 PMAQI
16th Oct 2025517 PMAQI
16th Oct 2025568 PMAQI
16th Oct 2025619 PMAQI
16th Oct 20255710 PMAQI
16th Oct 20255811 PMAQI
17th Oct 20256012 AMAQI
17th Oct 2025601 AMAQI
17th Oct 2025592 AMAQI
17th Oct 2025543 AMAQI
17th Oct 2025564 AMAQI
17th Oct 2025615 AMAQI
17th Oct 2025596 AMAQI
15°C10/22°C
17th Oct 2025567 AMAQI
17th Oct 2025548 AMAQI
17th Oct 2025519 AMAQI
17th Oct 20254410 AMAQI
17th Oct 20254911 AMAQI
17th Oct 20255212 PMAQI
17th Oct 2025581 PMAQI
17th Oct 2025592 PMAQI
17th Oct 2025613 PMAQI
17th Oct 2025564 PMAQI
17th Oct 2025535 PMAQI
17th Oct 2025536 PMAQI
17th Oct 2025577 PMAQI
17th Oct 2025568 PMAQI
17th Oct 2025639 PMAQI
17th Oct 20256110 PMAQI
17th Oct 20256111 PMAQI
18th Oct 20257112 AMAQI
18th Oct 2025691 AMAQI
18th Oct 2025592 AMAQI
18th Oct 2025623 AMAQI
18th Oct 2025624 AMAQI
18th Oct 2025595 AMAQI
18th Oct 2025656 AMAQI
17°C10/25°C
18th Oct 2025647 AMAQI
18th Oct 2025618 AMAQI
18th Oct 2025589 AMAQI
18th Oct 20255710 AMAQI
18th Oct 20255511 AMAQI
18th Oct 20256912 PMAQI
18th Oct 2025681 PMAQI
18th Oct 2025662 PMAQI
18th Oct 2025603 PMAQI
18th Oct 2025654 PMAQI
18th Oct 2025605 PMAQI
18th Oct 2025576 PMAQI
18th Oct 2025567 PMAQI
18th Oct 2025588 PMAQI
18th Oct 2025639 PMAQI
18th Oct 20256510 PMAQI
18th Oct 20257711 PMAQI
19th Oct 20258212 AMAQI
19th Oct 2025821 AMAQI
19th Oct 2025662 AMAQI
19th Oct 2025633 AMAQI
19th Oct 2025654 AMAQI
19th Oct 2025625 AMAQI
19th Oct 2025676 AMAQI
18°C11/28°C
19th Oct 2025667 AMAQI
19th Oct 2025628 AMAQI
19th Oct 2025659 AMAQI
19th Oct 20257010 AMAQI
19th Oct 20256611 AMAQI
19th Oct 20256912 PMAQI
19th Oct 2025541 PMAQI
19th Oct 2025572 PMAQI
19th Oct 2025573 PMAQI
19th Oct 2025544 PMAQI
19th Oct 2025525 PMAQI
19th Oct 2025436 PMAQI
19th Oct 2025317 PMAQI
19th Oct 2025348 PMAQI
19th Oct 2025549 PMAQI
19th Oct 20255210 PMAQI
19th Oct 20253811 PMAQI
20th Oct 20253012 AMAQI
20th Oct 2025401 AMAQI
20th Oct 2025552 AMAQI
20th Oct 2025373 AMAQI
20th Oct 2025424 AMAQI
20th Oct 2025545 AMAQI
20th Oct 2025586 AMAQI
19°C12/26°C
20th Oct 2025547 AMAQI
20th Oct 2025358 AMAQI
20th Oct 2025229 AMAQI
20th Oct 20253810 AMAQI
20th Oct 20255811 AMAQI
20th Oct 20255812 PMAQI
20th Oct 2025561 PMAQI
20th Oct 2025382 PMAQI
20th Oct 2025283 PMAQI
20th Oct 2025174 PMAQI
20th Oct 2025385 PMAQI
20th Oct 2025396 PMAQI
20th Oct 2025257 PMAQI
20th Oct 2025218 PMAQI
20th Oct 2025369 PMAQI
20th Oct 20255410 PMAQI
20th Oct 20255611 PMAQI
21st Oct 20255712 AMAQI
21st Oct 2025591 AMAQI
21st Oct 2025582 AMAQI
21st Oct 2025523 AMAQI
21st Oct 2025544 AMAQI
21st Oct 2025395 AMAQI
21st Oct 2025256 AMAQI
20°C15/29°C
21st Oct 2025407 AMAQI
21st Oct 2025448 AMAQI
21st Oct 2025439 AMAQI
21st Oct 20254210 AMAQI
21st Oct 20254211 AMAQI
21st Oct 20254012 PMAQI
21st Oct 2025451 PMAQI
21st Oct 2025542 PMAQI
21st Oct 2025523 PMAQI
21st Oct 2025484 PMAQI
21st Oct 2025425 PMAQI
21st Oct 2025426 PMAQI
21st Oct 2025497 PMAQI
21st Oct 2025528 PMAQI
21st Oct 2025559 PMAQI
21st Oct 20255810 PMAQI
21st Oct 20255911 PMAQI
22nd Oct 20255712 AMAQI
22nd Oct 2025571 AMAQI
22nd Oct 2025622 AMAQI
22nd Oct 2025613 AMAQI
22nd Oct 2025564 AMAQI
22nd Oct 2025565 AMAQI
22nd Oct 2025546 AMAQI
19°C11/29°C
22nd Oct 2025547 AMAQI
22nd Oct 2025538 AMAQI
22nd Oct 2025529 AMAQI
22nd Oct 20255210 AMAQI
22nd Oct 20255511 AMAQI
22nd Oct 20255212 PMAQI
22nd Oct 2025401 PMAQI
22nd Oct 2025372 PMAQI
22nd Oct 2025383 PMAQI
22nd Oct 2025344 PMAQI
22nd Oct 2025375 PMAQI
22nd Oct 2025446 PMAQI
22nd Oct 2025447 PMAQI
22nd Oct 2025498 PMAQI
22nd Oct 2025579 PMAQI
22nd Oct 20255410 PMAQI
22nd Oct 20255311 PMAQI
23rd Oct 20255412 AMAQI
23rd Oct 2025561 AMAQI
23rd Oct 2025592 AMAQI
23rd Oct 2025573 AMAQI
23rd Oct 2025534 AMAQI
23rd Oct 2025525 AMAQI
23rd Oct 2025536 AMAQI
17°C14/23°C
23rd Oct 2025547 AMAQI
23rd Oct 2025528 AMAQI
23rd Oct 2025489 AMAQI
23rd Oct 20254810 AMAQI
23rd Oct 20255111 AMAQI
23rd Oct 20255812 PMAQI
23rd Oct 2025601 PMAQI
23rd Oct 2025572 PMAQI
23rd Oct 2025573 PMAQI
23rd Oct 2025554 PMAQI
23rd Oct 2025605 PMAQI
23rd Oct 2025626 PMAQI
23rd Oct 2025627 PMAQI
23rd Oct 2025638 PMAQI
23rd Oct 2025659 PMAQI
23rd Oct 20256810 PMAQI
23rd Oct 20256611 PMAQI
24th Oct 20256312 AMAQI
24th Oct 2025611 AMAQI
24th Oct 2025542 AMAQI
24th Oct 2025523 AMAQI
24th Oct 2025564 AMAQI
24th Oct 2025555 AMAQI
24th Oct 2025556 AMAQI
17°C12/24°C
24th Oct 2025537 AMAQI
24th Oct 2025558 AMAQI
24th Oct 2025449 AMAQI
24th Oct 20253210 AMAQI
24th Oct 20253811 AMAQI
24th Oct 20255312 PMAQI
24th Oct 2025571 PMAQI
24th Oct 2025522 PMAQI
24th Oct 2025523 PMAQI
24th Oct 2025524 PMAQI
24th Oct 2025415 PMAQI
24th Oct 2025366 PMAQI
24th Oct 2025487 PMAQI
24th Oct 2025568 PMAQI
24th Oct 2025559 PMAQI
24th Oct 20255210 PMAQI
24th Oct 20255111 PMAQI
25th Oct 20255212 AMAQI
25th Oct 2025401 AMAQI
25th Oct 2025332 AMAQI
25th Oct 2025293 AMAQI
25th Oct 2025414 AMAQI
25th Oct 2025365 AMAQI
25th Oct 2025346 AMAQI
16°C11/23°C
25th Oct 2025427 AMAQI
25th Oct 2025388 AMAQI
25th Oct 2025339 AMAQI
25th Oct 20254410 AMAQI
25th Oct 20254511 AMAQI
25th Oct 20253712 PMAQI
25th Oct 2025431 PMAQI
25th Oct 2025492 PMAQI
25th Oct 2025453 PMAQI
25th Oct 2025374 PMAQI
25th Oct 2025305 PMAQI
25th Oct 2025226 PMAQI
25th Oct 2025257 PMAQI
25th Oct 2025358 PMAQI
25th Oct 2025349 PMAQI
25th Oct 20253710 PMAQI
25th Oct 20254111 PMAQI
26th Oct 20255212 AMAQI
26th Oct 2025531 AMAQI
26th Oct 2025472 AMAQI
26th Oct 2025493 AMAQI
26th Oct 2025514 AMAQI
26th Oct 2025505 AMAQI
26th Oct 2025476 AMAQI
16°C13/21°C
26th Oct 2025377 AMAQI
26th Oct 2025428 AMAQI
26th Oct 2025509 AMAQI
26th Oct 20255010 AMAQI
26th Oct 20255111 AMAQI
26th Oct 20255512 PMAQI
26th Oct 2025511 PMAQI
26th Oct 2025502 PMAQI
26th Oct 2025483 PMAQI
26th Oct 2025464 PMAQI
26th Oct 2025465 PMAQI
26th Oct 2025406 PMAQI
26th Oct 2025337 PMAQI
26th Oct 2025348 PMAQI
26th Oct 2025409 PMAQI
26th Oct 20254010 PMAQI
26th Oct 20254011 PMAQI
27th Oct 20255012 AMAQI
27th Oct 2025521 AMAQI
27th Oct 2025492 AMAQI
16°C13/21°C
7 AM
12 PM
6 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
12 PM - 2 PM
51AQI
3 hours / Day
90 hours / Month
Avg. Lowest Time
8 AM - 11 AM
48AQI
4 hours / Day
120 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 PM to 2 PM (Avg. 51), while the lowest AQI was between 8 AM to 11 AM (Avg. 48).
Night time
Avg. Highest Time
12 AM - 1 AM
54AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
7 PM - 8 PM
47AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 1 AM (Avg. 54), while the lowest AQI was between 7 PM to 8 PM (Avg. 47).
2025 Days Vs Air Quality
Antioch, California, United States
2025
91%
272
9%
27
Total number of days with different AQI categories in last 300 days in 2025 (65 days remaining)
Good
272 DaysModerate
27 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 300 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
Antioch, 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
58AQI
58AQI
2nd January 2025
51AQI
51AQI
3rd January 2025
44AQI
44AQI
4th January 2025
29AQI
29AQI
5th January 2025
34AQI
34AQI
6th January 2025
38AQI
38AQI
7th January 2025
22AQI
22AQI
8th January 2025
24AQI
24AQI
9th January 2025
37AQI
37AQI
10th January 2025
55AQI
55AQI
11th January 2025
32AQI
32AQI
12th January 2025
23AQI
23AQI
13th January 2025
28AQI
28AQI
14th January 2025
32AQI
32AQI
15th January 2025
49AQI
49AQI
16th January 2025
53AQI
53AQI
17th January 2025
50AQI
50AQI
18th January 2025
46AQI
46AQI
19th January 2025
54AQI
54AQI
20th January 2025
33AQI
33AQI
21st January 2025
36AQI
36AQI
22nd January 2025
44AQI
44AQI
23rd January 2025
49AQI
49AQI
24th January 2025
57AQI
57AQI
25th January 2025
43AQI
43AQI
26th January 2025
34AQI
34AQI
27th January 2025
27AQI
27AQI
28th January 2025
45AQI
45AQI
29th January 2025
39AQI
39AQI
30th January 2025
41AQI
41AQI
31st January 2025
43AQI
43AQI
1st February 2025
49AQI
49AQI
2nd February 2025
25AQI
25AQI
3rd February 2025
22AQI
22AQI
4th February 2025
21AQI
21AQI
5th February 2025
25AQI
25AQI
6th February 2025
27AQI
27AQI
7th February 2025
25AQI
25AQI
8th February 2025
23AQI
23AQI
9th February 2025
27AQI
27AQI
10th February 2025
26AQI
26AQI
11th February 2025
29AQI
29AQI
12th February 2025
25AQI
25AQI
13th February 2025
27AQI
27AQI
14th February 2025
28AQI
28AQI
15th February 2025
26AQI
26AQI
16th February 2025
29AQI
29AQI
17th February 2025
23AQI
23AQI
18th February 2025
27AQI
27AQI
19th February 2025
25AQI
25AQI
20th February 2025
24AQI
24AQI
21st February 2025
24AQI
24AQI
22nd February 2025
35AQI
35AQI
23rd February 2025
23AQI
23AQI
24th February 2025
23AQI
23AQI
25th February 2025
21AQI
21AQI
26th February 2025
26AQI
26AQI
27th February 2025
32AQI
32AQI
28th February 2025
35AQI
35AQI
1st March 2025
34AQI
34AQI
2nd March 2025
27AQI
27AQI
3rd March 2025
24AQI
24AQI
4th March 2025
23AQI
23AQI
5th March 2025
23AQI
23AQI
6th March 2025
26AQI
26AQI
7th March 2025
28AQI
28AQI
8th March 2025
27AQI
27AQI
9th March 2025
34AQI
34AQI
10th March 2025
28AQI
28AQI
11th March 2025
28AQI
28AQI
12th March 2025
26AQI
26AQI
13th March 2025
20AQI
20AQI
14th March 2025
20AQI
20AQI
15th March 2025
45AQI
45AQI
16th March 2025
35AQI
35AQI
17th March 2025
16AQI
16AQI
18th March 2025
19AQI
19AQI
19th March 2025
20AQI
20AQI
20th March 2025
16AQI
16AQI
21st March 2025
20AQI
20AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
23AQI
23AQI
24th March 2025
22AQI
22AQI
25th March 2025
32AQI
32AQI
26th March 2025
26AQI
26AQI
27th March 2025
21AQI
21AQI
28th March 2025
31AQI
31AQI
29th March 2025
23AQI
23AQI
30th March 2025
26AQI
26AQI
31st March 2025
27AQI
27AQI
1st April 2025
28AQI
28AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
27AQI
27AQI
4th April 2025
28AQI
28AQI
5th April 2025
28AQI
28AQI
6th April 2025
26AQI
26AQI
7th April 2025
18AQI
18AQI
8th April 2025
25AQI
25AQI
9th April 2025
29AQI
29AQI
10th April 2025
29AQI
29AQI
11th April 2025
23AQI
23AQI
12th April 2025
39AQI
39AQI
13th April 2025
37AQI
37AQI
14th April 2025
33AQI
33AQI
15th April 2025
37AQI
37AQI
16th April 2025
36AQI
36AQI
17th April 2025
27AQI
27AQI
18th April 2025
33AQI
33AQI
19th April 2025
38AQI
38AQI
20th April 2025
37AQI
37AQI
21st April 2025
43AQI
43AQI
22nd April 2025
44AQI
44AQI
23rd April 2025
51AQI
51AQI
24th April 2025
45AQI
45AQI
25th April 2025
27AQI
27AQI
26th April 2025
25AQI
25AQI
27th April 2025
30AQI
30AQI
28th April 2025
35AQI
35AQI
29th April 2025
40AQI
40AQI
30th April 2025
39AQI
39AQI
1st May 2025
38AQI
38AQI
2nd May 2025
31AQI
31AQI
3rd May 2025
25AQI
25AQI
4th May 2025
32AQI
32AQI
5th May 2025
30AQI
30AQI
6th May 2025
41AQI
41AQI
7th May 2025
49AQI
49AQI
8th May 2025
40AQI
40AQI
9th May 2025
37AQI
37AQI
10th May 2025
35AQI
35AQI
11th May 2025
28AQI
28AQI
12th May 2025
23AQI
23AQI
13th May 2025
22AQI
22AQI
14th May 2025
32AQI
32AQI
15th May 2025
39AQI
39AQI
16th May 2025
45AQI
45AQI
17th May 2025
33AQI
33AQI
18th May 2025
33AQI
33AQI
19th May 2025
33AQI
33AQI
20th May 2025
27AQI
27AQI
21st May 2025
39AQI
39AQI
22nd May 2025
38AQI
38AQI
23rd May 2025
29AQI
29AQI
24th May 2025
37AQI
37AQI
25th May 2025
27AQI
27AQI
26th May 2025
22AQI
22AQI
27th May 2025
31AQI
31AQI
28th May 2025
31AQI
31AQI
29th May 2025
27AQI
27AQI
30th May 2025
31AQI
31AQI
31st May 2025
44AQI
44AQI
1st June 2025
51AQI
51AQI
2nd June 2025
50AQI
50AQI
3rd June 2025
37AQI
37AQI
4th June 2025
49AQI
49AQI
5th June 2025
41AQI
41AQI
6th June 2025
27AQI
27AQI
7th June 2025
32AQI
32AQI
8th June 2025
26AQI
26AQI
9th June 2025
22AQI
22AQI
10th June 2025
28AQI
28AQI
11th June 2025
45AQI
45AQI
12th June 2025
50AQI
50AQI
13th June 2025
50AQI
50AQI
14th June 2025
48AQI
48AQI
15th June 2025
49AQI
49AQI
16th June 2025
45AQI
45AQI
17th June 2025
39AQI
39AQI
18th June 2025
36AQI
36AQI
19th June 2025
42AQI
42AQI
20th June 2025
41AQI
41AQI
21st June 2025
41AQI
41AQI
22nd June 2025
41AQI
41AQI
23rd June 2025
37AQI
37AQI
24th June 2025
30AQI
30AQI
25th June 2025
25AQI
25AQI
26th June 2025
30AQI
30AQI
27th June 2025
35AQI
35AQI
28th June 2025
37AQI
37AQI
29th June 2025
34AQI
34AQI
30th June 2025
27AQI
27AQI
1st July 2025
29AQI
29AQI
2nd July 2025
27AQI
27AQI
3rd July 2025
40AQI
40AQI
4th July 2025
35AQI
35AQI
5th July 2025
36AQI
36AQI
6th July 2025
35AQI
35AQI
7th July 2025
28AQI
28AQI
8th July 2025
23AQI
23AQI
9th July 2025
21AQI
21AQI
10th July 2025
29AQI
29AQI
11th July 2025
40AQI
40AQI
12th July 2025
40AQI
40AQI
13th July 2025
33AQI
33AQI
14th July 2025
24AQI
24AQI
15th July 2025
23AQI
23AQI
16th July 2025
24AQI
24AQI
17th July 2025
23AQI
23AQI
18th July 2025
22AQI
22AQI
19th July 2025
25AQI
25AQI
20th July 2025
24AQI
24AQI
21st July 2025
27AQI
27AQI
22nd July 2025
17AQI
17AQI
23rd July 2025
18AQI
18AQI
24th July 2025
18AQI
18AQI
25th July 2025
17AQI
17AQI
26th July 2025
17AQI
17AQI
27th July 2025
17AQI
17AQI
28th July 2025
22AQI
22AQI
29th July 2025
28AQI
28AQI
30th July 2025
30AQI
30AQI
31st July 2025
27AQI
27AQI
1st August 2025
26AQI
26AQI
2nd August 2025
26AQI
26AQI
3rd August 2025
38AQI
38AQI
4th August 2025
38AQI
38AQI
5th August 2025
32AQI
32AQI
6th August 2025
38AQI
38AQI
7th August 2025
35AQI
35AQI
8th August 2025
39AQI
39AQI
9th August 2025
39AQI
39AQI
10th August 2025
32AQI
32AQI
11th August 2025
31AQI
31AQI
12th August 2025
29AQI
29AQI
13th August 2025
25AQI
25AQI
14th August 2025
21AQI
21AQI
15th August 2025
41AQI
41AQI
16th August 2025
18AQI
18AQI
17th August 2025
16AQI
16AQI
18th August 2025
18AQI
18AQI
19th August 2025
22AQI
22AQI
20th August 2025
29AQI
29AQI
21st August 2025
43AQI
43AQI
22nd August 2025
51AQI
51AQI
23rd August 2025
36AQI
36AQI
24th August 2025
27AQI
27AQI
25th August 2025
29AQI
29AQI
26th August 2025
37AQI
37AQI
27th August 2025
42AQI
42AQI
28th August 2025
39AQI
39AQI
29th August 2025
28AQI
28AQI
30th August 2025
33AQI
33AQI
31st August 2025
33AQI
33AQI
1st September 2025
35AQI
35AQI
2nd September 2025
44AQI
44AQI
3rd September 2025
31AQI
31AQI
4th September 2025
29AQI
29AQI
5th September 2025
24AQI
24AQI
6th September 2025
30AQI
30AQI
7th September 2025
26AQI
26AQI
8th September 2025
21AQI
21AQI
9th September 2025
16AQI
16AQI
10th September 2025
18AQI
18AQI
11th September 2025
29AQI
29AQI
12th September 2025
34AQI
34AQI
13th September 2025
36AQI
36AQI
14th September 2025
24AQI
24AQI
15th September 2025
24AQI
24AQI
16th September 2025
36AQI
36AQI
17th September 2025
39AQI
39AQI
18th September 2025
41AQI
41AQI
19th September 2025
43AQI
43AQI
20th September 2025
42AQI
42AQI
21st September 2025
36AQI
36AQI
22nd September 2025
36AQI
36AQI
23rd September 2025
41AQI
41AQI
24th September 2025
50AQI
50AQI
25th September 2025
42AQI
42AQI
26th September 2025
52AQI
52AQI
27th September 2025
57AQI
57AQI
28th September 2025
53AQI
53AQI
29th September 2025
40AQI
40AQI
30th September 2025
35AQI
35AQI
1st October 2025
40AQI
40AQI
2nd October 2025
45AQI
45AQI
3rd October 2025
53AQI
53AQI
4th October 2025
52AQI
52AQI
5th October 2025
54AQI
54AQI
6th October 2025
59AQI
59AQI
7th October 2025
48AQI
48AQI
8th October 2025
58AQI
58AQI
9th October 2025
54AQI
54AQI
10th October 2025
47AQI
47AQI
11th October 2025
44AQI
44AQI
12th October 2025
48AQI
48AQI
13th October 2025
55AQI
55AQI
14th October 2025
51AQI
51AQI
15th October 2025
49AQI
49AQI
16th October 2025
52AQI
52AQI
17th October 2025
56AQI
56AQI
18th October 2025
63AQI
63AQI
19th October 2025
59AQI
59AQI
20th October 2025
41AQI
41AQI
21st October 2025
49AQI
49AQI
22nd October 2025
52AQI
52AQI
23rd October 2025
58AQI
58AQI
24th October 2025
51AQI
51AQI
25th October 2025
36AQI
36AQI
26th October 2025
48AQI
48AQI
27th October 2025
28th October 2025
29th October 2025
30th October 2025
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
40AQI
27AQI
25AQI
33AQI
33AQI
38AQI
26AQI
32AQI
35AQI
51AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202534AQI
25
6
28
31
29
1
31
29
1
31
30
1
27
3
11
15
272
27
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
March25AQI
202435AQI
16
1
2
12
28
1
30
1
31
28
28
3
26
4
18
13
220
22
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
April17AQI
202342AQI
1
2
21
10
22
12
Highest AQI recorded in
November54AQI
Lowest AQI recorded in
December41AQI
202025AQI
1
1
Highest AQI recorded in
November25AQI
Lowest AQI recorded in
November25AQI
Most & Least Polluted Years Over the Last 4 Years
Most Polluted Year Recorded
2023(Avg.)
42AQILeast Polluted Year Recorded
2020(Avg.)
25AQIAntioch's annual 2025 AQI (34) shows an average percentage change of 4.6% (worsened AQI) compared to previous years: 2020 (25), 2023 (42), 2024 (35).
