Chester, Susanville, 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+
November Air Quality Analysis
Chester, Susanville, California, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
25th Nov 2022
75AQILowest AQI recorded on
4th Nov 2024
10AQISame Day Analysis (17th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 17th Nov - 18th Nov 2025
Chester, Susanville, California, United States
AQI
Day
Night
.
7 AM17th Nov 2025
5 PM
6 AM18th Nov 2025
Day time
Avg. Highest Time
6AM18th Nov
44AQI
Avg. Lowest Time
1PM17th Nov
11AQI
Night time
Avg. Highest Time
2AM18th Nov
64AQI
Avg. Lowest Time
5PM17th Nov
22AQI
In the last 24 hours,
Chester's AQI reached its highest point of 64 at 2 AM during the Night, while the lowest point, 11, was recorded at 1 PM during the Day between 17th Nov and 18th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Chester, Susanville, California, United States
OctNov
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th
Day
Night
19th Oct 2025577 AMAQI
19th Oct 2025598 AMAQI
19th Oct 2025599 AMAQI
19th Oct 20255910 AMAQI
19th Oct 20255911 AMAQI
19th Oct 20255412 PMAQI
19th Oct 2025541 PMAQI
19th Oct 2025372 PMAQI
19th Oct 2025173 PMAQI
19th Oct 2025204 PMAQI
19th Oct 2025145 PMAQI
19th Oct 2025546 PMAQI
19th Oct 2025207 PMAQI
19th Oct 2025668 PMAQI
19th Oct 2025609 PMAQI
19th Oct 20255410 PMAQI
19th Oct 20255611 PMAQI
20th Oct 20255712 AMAQI
20th Oct 2025611 AMAQI
20th Oct 2025592 AMAQI
20th Oct 2025453 AMAQI
20th Oct 2025424 AMAQI
20th Oct 2025395 AMAQI
20th Oct 2025516 AMAQI
12°C7/19°C
20th Oct 2025387 AMAQI
20th Oct 2025378 AMAQI
20th Oct 2025269 AMAQI
20th Oct 20255710 AMAQI
20th Oct 20253711 AMAQI
20th Oct 20251812 PMAQI
20th Oct 2025131 PMAQI
20th Oct 2025132 PMAQI
20th Oct 2025313 PMAQI
20th Oct 2025204 PMAQI
20th Oct 2025245 PMAQI
20th Oct 2025206 PMAQI
20th Oct 2025237 PMAQI
20th Oct 2025178 PMAQI
20th Oct 2025199 PMAQI
20th Oct 20252010 PMAQI
20th Oct 20251811 PMAQI
21st Oct 20251612 AMAQI
21st Oct 2025211 AMAQI
21st Oct 2025302 AMAQI
21st Oct 2025273 AMAQI
21st Oct 2025214 AMAQI
21st Oct 2025195 AMAQI
21st Oct 2025176 AMAQI
11°C4/19°C
21st Oct 2025227 AMAQI
21st Oct 2025228 AMAQI
21st Oct 2025419 AMAQI
21st Oct 20256110 AMAQI
21st Oct 20256111 AMAQI
21st Oct 20256312 PMAQI
21st Oct 2025651 PMAQI
21st Oct 2025682 PMAQI
21st Oct 2025653 PMAQI
21st Oct 2025564 PMAQI
21st Oct 2025455 PMAQI
21st Oct 2025416 PMAQI
21st Oct 2025457 PMAQI
21st Oct 2025388 PMAQI
21st Oct 2025519 PMAQI
21st Oct 20257310 PMAQI
21st Oct 20256611 PMAQI
22nd Oct 20256212 AMAQI
22nd Oct 2025581 AMAQI
22nd Oct 2025492 AMAQI
22nd Oct 2025473 AMAQI
22nd Oct 2025464 AMAQI
22nd Oct 2025405 AMAQI
22nd Oct 2025506 AMAQI
12°C4/23°C
22nd Oct 2025577 AMAQI
22nd Oct 2025548 AMAQI
22nd Oct 2025539 AMAQI
22nd Oct 20256010 AMAQI
22nd Oct 20258211 AMAQI
22nd Oct 20259612 PMAQI
22nd Oct 2025981 PMAQI
22nd Oct 2025962 PMAQI
22nd Oct 2025963 PMAQI
22nd Oct 2025854 PMAQI
22nd Oct 2025795 PMAQI
22nd Oct 2025626 PMAQI
22nd Oct 2025477 PMAQI
22nd Oct 2025708 PMAQI
22nd Oct 2025739 PMAQI
22nd Oct 20256710 PMAQI
22nd Oct 20257811 PMAQI
23rd Oct 20256912 AMAQI
23rd Oct 2025571 AMAQI
23rd Oct 2025582 AMAQI
23rd Oct 2025513 AMAQI
23rd Oct 2025444 AMAQI
23rd Oct 2025385 AMAQI
23rd Oct 2025336 AMAQI
13°C7/22°C
23rd Oct 2025287 AMAQI
23rd Oct 2025288 AMAQI
23rd Oct 2025539 AMAQI
23rd Oct 20256510 AMAQI
23rd Oct 20255311 AMAQI
23rd Oct 20255512 PMAQI
23rd Oct 2025571 PMAQI
23rd Oct 2025472 PMAQI
23rd Oct 2025283 PMAQI
23rd Oct 2025244 PMAQI
23rd Oct 2025235 PMAQI
23rd Oct 2025236 PMAQI
23rd Oct 2025347 PMAQI
23rd Oct 2025328 PMAQI
23rd Oct 2025269 PMAQI
23rd Oct 20253910 PMAQI
23rd Oct 20255911 PMAQI
24th Oct 20256912 AMAQI
24th Oct 2025571 AMAQI
24th Oct 2025442 AMAQI
24th Oct 2025503 AMAQI
24th Oct 2025564 AMAQI
24th Oct 2025565 AMAQI
24th Oct 2025446 AMAQI
12°C4/22°C
24th Oct 2025287 AMAQI
24th Oct 2025258 AMAQI
24th Oct 2025329 AMAQI
24th Oct 20254410 AMAQI
24th Oct 20255211 AMAQI
24th Oct 20255612 PMAQI
24th Oct 2025581 PMAQI
24th Oct 2025582 PMAQI
24th Oct 2025483 PMAQI
24th Oct 2025284 PMAQI
24th Oct 2025175 PMAQI
24th Oct 2025206 PMAQI
24th Oct 2025257 PMAQI
24th Oct 2025398 PMAQI
24th Oct 2025479 PMAQI
24th Oct 20253810 PMAQI
24th Oct 20256011 PMAQI
25th Oct 20257812 AMAQI
25th Oct 2025681 AMAQI
25th Oct 2025732 AMAQI
25th Oct 2025633 AMAQI
25th Oct 2025594 AMAQI
25th Oct 2025565 AMAQI
25th Oct 2025436 AMAQI
11°C4/21°C
25th Oct 2025367 AMAQI
25th Oct 2025398 AMAQI
25th Oct 2025309 AMAQI
25th Oct 20252510 AMAQI
25th Oct 20253411 AMAQI
25th Oct 20253612 PMAQI
25th Oct 2025331 PMAQI
25th Oct 2025302 PMAQI
25th Oct 2025303 PMAQI
25th Oct 2025384 PMAQI
25th Oct 2025385 PMAQI
25th Oct 2025256 PMAQI
25th Oct 2025207 PMAQI
25th Oct 2025208 PMAQI
25th Oct 2025209 PMAQI
25th Oct 20253310 PMAQI
25th Oct 20254211 PMAQI
26th Oct 20254312 AMAQI
26th Oct 2025521 AMAQI
26th Oct 2025492 AMAQI
26th Oct 2025303 AMAQI
26th Oct 2025144 AMAQI
26th Oct 2025255 AMAQI
26th Oct 2025396 AMAQI
8°C5/11°C
26th Oct 2025307 AMAQI
26th Oct 2025288 AMAQI
26th Oct 2025289 AMAQI
26th Oct 20252210 AMAQI
26th Oct 20252811 AMAQI
26th Oct 20253312 PMAQI
26th Oct 2025301 PMAQI
26th Oct 2025252 PMAQI
26th Oct 2025253 PMAQI
26th Oct 2025344 PMAQI
26th Oct 2025305 PMAQI
26th Oct 2025396 PMAQI
26th Oct 2025547 PMAQI
26th Oct 2025538 PMAQI
26th Oct 2025549 PMAQI
26th Oct 20255410 PMAQI
26th Oct 20255311 PMAQI
27th Oct 20255612 AMAQI
27th Oct 2025571 AMAQI
27th Oct 2025582 AMAQI
27th Oct 2025563 AMAQI
27th Oct 2025444 AMAQI
27th Oct 2025225 AMAQI
27th Oct 2025256 AMAQI
7°C5/10°C
27th Oct 2025427 AMAQI
27th Oct 2025388 AMAQI
27th Oct 2025379 AMAQI
27th Oct 20255410 AMAQI
27th Oct 20256111 AMAQI
27th Oct 20255512 PMAQI
27th Oct 2025551 PMAQI
27th Oct 2025532 PMAQI
27th Oct 2025313 PMAQI
27th Oct 2025114 PMAQI
27th Oct 2025165 PMAQI
27th Oct 2025286 PMAQI
27th Oct 2025337 PMAQI
27th Oct 2025288 PMAQI
27th Oct 2025499 PMAQI
27th Oct 20257610 PMAQI
27th Oct 20256611 PMAQI
28th Oct 20255812 AMAQI
28th Oct 2025551 AMAQI
28th Oct 2025522 AMAQI
28th Oct 2025523 AMAQI
28th Oct 2025564 AMAQI
28th Oct 2025535 AMAQI
28th Oct 2025526 AMAQI
8°C3/13°C
28th Oct 2025547 AMAQI
28th Oct 2025558 AMAQI
28th Oct 2025559 AMAQI
28th Oct 20256210 AMAQI
28th Oct 20255911 AMAQI
28th Oct 20255312 PMAQI
28th Oct 2025561 PMAQI
28th Oct 2025482 PMAQI
28th Oct 2025393 PMAQI
28th Oct 2025444 PMAQI
28th Oct 2025395 PMAQI
28th Oct 2025286 PMAQI
28th Oct 2025287 PMAQI
28th Oct 2025288 PMAQI
28th Oct 2025429 PMAQI
28th Oct 20255910 PMAQI
28th Oct 20257111 PMAQI
29th Oct 20256912 AMAQI
29th Oct 2025561 AMAQI
29th Oct 2025432 AMAQI
29th Oct 2025423 AMAQI
29th Oct 2025534 AMAQI
29th Oct 2025605 AMAQI
29th Oct 2025626 AMAQI
9°C3/17°C
29th Oct 2025577 AMAQI
29th Oct 2025568 AMAQI
29th Oct 2025569 AMAQI
29th Oct 20255610 AMAQI
29th Oct 20255311 AMAQI
29th Oct 20255912 PMAQI
29th Oct 2025661 PMAQI
29th Oct 2025592 PMAQI
29th Oct 2025533 PMAQI
29th Oct 2025544 PMAQI
29th Oct 2025545 PMAQI
29th Oct 2025486 PMAQI
29th Oct 2025427 PMAQI
29th Oct 2025468 PMAQI
29th Oct 2025589 PMAQI
29th Oct 20257110 PMAQI
29th Oct 20258211 PMAQI
30th Oct 20257212 AMAQI
30th Oct 2025561 AMAQI
30th Oct 2025542 AMAQI
30th Oct 2025563 AMAQI
30th Oct 2025514 AMAQI
30th Oct 2025365 AMAQI
30th Oct 2025286 AMAQI
12°C6/21°C
30th Oct 2025227 AMAQI
30th Oct 2025178 AMAQI
30th Oct 2025329 AMAQI
30th Oct 20255610 AMAQI
30th Oct 20255611 AMAQI
30th Oct 20255612 PMAQI
30th Oct 2025561 PMAQI
30th Oct 2025522 PMAQI
30th Oct 2025473 PMAQI
30th Oct 2025474 PMAQI
30th Oct 2025395 PMAQI
30th Oct 2025306 PMAQI
30th Oct 2025337 PMAQI
30th Oct 2025568 PMAQI
30th Oct 2025799 PMAQI
30th Oct 20258510 PMAQI
30th Oct 20257911 PMAQI
31st Oct 20257612 AMAQI
31st Oct 2025731 AMAQI
31st Oct 2025542 AMAQI
31st Oct 2025433 AMAQI
31st Oct 2025474 AMAQI
31st Oct 2025655 AMAQI
31st Oct 2025646 AMAQI
10°C6/17°C
31st Oct 2025647 AMAQI
31st Oct 2025618 AMAQI
31st Oct 2025579 AMAQI
31st Oct 20255610 AMAQI
31st Oct 20255311 AMAQI
31st Oct 20255712 PMAQI
31st Oct 2025661 PMAQI
31st Oct 2025582 PMAQI
31st Oct 2025473 PMAQI
31st Oct 2025334 PMAQI
31st Oct 2025375 PMAQI
31st Oct 2025376 PMAQI
31st Oct 2025257 PMAQI
31st Oct 2025348 PMAQI
31st Oct 2025549 PMAQI
31st Oct 20256310 PMAQI
31st Oct 20255911 PMAQI
1st Nov 20256012 AMAQI
1st Nov 2025521 AMAQI
1st Nov 2025522 AMAQI
1st Nov 2025553 AMAQI
1st Nov 2025564 AMAQI
1st Nov 2025585 AMAQI
1st Nov 2025576 AMAQI
11°C5/19°C
1st Nov 2025497 AMAQI
1st Nov 2025348 AMAQI
1st Nov 2025349 AMAQI
1st Nov 20254610 AMAQI
1st Nov 20255411 AMAQI
1st Nov 20255612 PMAQI
1st Nov 2025601 PMAQI
1st Nov 2025582 PMAQI
1st Nov 2025463 PMAQI
1st Nov 2025364 PMAQI
1st Nov 2025305 PMAQI
1st Nov 2025256 PMAQI
1st Nov 2025227 PMAQI
1st Nov 2025308 PMAQI
1st Nov 2025559 PMAQI
1st Nov 20257110 PMAQI
1st Nov 20256311 PMAQI
2nd Nov 20255612 AMAQI
2nd Nov 2025481 AMAQI
2nd Nov 2025382 AMAQI
2nd Nov 2025443 AMAQI
2nd Nov 2025474 AMAQI
2nd Nov 2025505 AMAQI
2nd Nov 2025396 AMAQI
12°C5/21°C
2nd Nov 2025287 AMAQI
2nd Nov 2025308 AMAQI
2nd Nov 2025359 AMAQI
2nd Nov 20254610 AMAQI
2nd Nov 20255511 AMAQI
2nd Nov 20255712 PMAQI
2nd Nov 2025541 PMAQI
2nd Nov 2025562 PMAQI
2nd Nov 2025443 PMAQI
2nd Nov 2025224 PMAQI
2nd Nov 2025115 PMAQI
2nd Nov 2025146 PMAQI
2nd Nov 2025177 PMAQI
2nd Nov 2025278 PMAQI
2nd Nov 2025369 PMAQI
2nd Nov 20254610 PMAQI
2nd Nov 20256111 PMAQI
3rd Nov 20255512 AMAQI
3rd Nov 2025541 AMAQI
3rd Nov 2025512 AMAQI
3rd Nov 2025383 AMAQI
3rd Nov 2025424 AMAQI
3rd Nov 2025395 AMAQI
3rd Nov 2025336 AMAQI
12°C7/21°C
3rd Nov 2025417 AMAQI
3rd Nov 2025388 AMAQI
3rd Nov 2025409 AMAQI
3rd Nov 20255210 AMAQI
3rd Nov 20255111 AMAQI
3rd Nov 20255712 PMAQI
3rd Nov 2025521 PMAQI
3rd Nov 2025442 PMAQI
3rd Nov 2025343 PMAQI
3rd Nov 2025224 PMAQI
3rd Nov 2025175 PMAQI
3rd Nov 2025216 PMAQI
3rd Nov 2025367 PMAQI
3rd Nov 2025468 PMAQI
3rd Nov 2025529 PMAQI
3rd Nov 20254410 PMAQI
3rd Nov 20254611 PMAQI
4th Nov 20255612 AMAQI
4th Nov 2025621 AMAQI
4th Nov 2025572 AMAQI
4th Nov 2025463 AMAQI
4th Nov 2025464 AMAQI
4th Nov 2025305 AMAQI
4th Nov 2025256 AMAQI
11°C6/18°C
4th Nov 2025317 AMAQI
4th Nov 2025368 AMAQI
4th Nov 2025509 AMAQI
4th Nov 20255510 AMAQI
4th Nov 20255511 AMAQI
4th Nov 20255212 PMAQI
4th Nov 2025471 PMAQI
4th Nov 2025422 PMAQI
4th Nov 2025303 PMAQI
4th Nov 2025224 PMAQI
4th Nov 2025365 PMAQI
4th Nov 2025506 PMAQI
4th Nov 2025427 PMAQI
4th Nov 2025388 PMAQI
4th Nov 2025429 PMAQI
4th Nov 20253210 PMAQI
4th Nov 20252211 PMAQI
5th Nov 20253512 AMAQI
5th Nov 2025411 AMAQI
5th Nov 2025282 AMAQI
5th Nov 2025513 AMAQI
5th Nov 2025524 AMAQI
5th Nov 2025505 AMAQI
5th Nov 2025546 AMAQI
9°C6/14°C
5th Nov 2025537 AMAQI
5th Nov 2025548 AMAQI
5th Nov 2025569 AMAQI
5th Nov 20255510 AMAQI
5th Nov 20254611 AMAQI
5th Nov 20253012 PMAQI
5th Nov 2025281 PMAQI
5th Nov 2025202 PMAQI
5th Nov 2025173 PMAQI
5th Nov 2025194 PMAQI
5th Nov 2025255 PMAQI
5th Nov 2025446 PMAQI
5th Nov 2025477 PMAQI
5th Nov 2025388 PMAQI
5th Nov 2025419 PMAQI
5th Nov 20255510 PMAQI
5th Nov 20254711 PMAQI
6th Nov 20254912 AMAQI
6th Nov 2025681 AMAQI
6th Nov 2025512 AMAQI
6th Nov 2025423 AMAQI
6th Nov 2025534 AMAQI
6th Nov 2025585 AMAQI
6th Nov 2025606 AMAQI
7°C4/9°C
6th Nov 2025667 AMAQI
6th Nov 2025658 AMAQI
6th Nov 2025569 AMAQI
6th Nov 20254210 AMAQI
6th Nov 20254611 AMAQI
6th Nov 20255412 PMAQI
6th Nov 2025391 PMAQI
6th Nov 2025282 PMAQI
6th Nov 2025303 PMAQI
6th Nov 2025224 PMAQI
6th Nov 2025155 PMAQI
6th Nov 2025256 PMAQI
6th Nov 2025227 PMAQI
6th Nov 2025258 PMAQI
6th Nov 2025369 PMAQI
6th Nov 20253610 PMAQI
6th Nov 20253511 PMAQI
7th Nov 20254512 AMAQI
7th Nov 2025571 AMAQI
7th Nov 2025562 AMAQI
7th Nov 2025523 AMAQI
7th Nov 2025534 AMAQI
7th Nov 2025535 AMAQI
7th Nov 2025306 AMAQI
8°C3/12°C
7th Nov 2025117 AMAQI
7th Nov 2025208 AMAQI
7th Nov 2025369 AMAQI
7th Nov 20254210 AMAQI
7th Nov 20253911 AMAQI
7th Nov 20253612 PMAQI
7th Nov 2025401 PMAQI
7th Nov 2025472 PMAQI
7th Nov 2025303 PMAQI
7th Nov 2025144 PMAQI
7th Nov 2025205 PMAQI
7th Nov 2025366 PMAQI
7th Nov 2025507 PMAQI
7th Nov 2025608 PMAQI
7th Nov 2025639 PMAQI
7th Nov 20256210 PMAQI
7th Nov 20256311 PMAQI
8th Nov 20255612 AMAQI
8th Nov 2025451 AMAQI
8th Nov 2025482 AMAQI
8th Nov 2025613 AMAQI
8th Nov 2025584 AMAQI
8th Nov 2025545 AMAQI
8th Nov 2025536 AMAQI
9°C7/14°C
8th Nov 2025497 AMAQI
8th Nov 2025448 AMAQI
8th Nov 2025449 AMAQI
8th Nov 20254810 AMAQI
8th Nov 20255511 AMAQI
8th Nov 20255612 PMAQI
8th Nov 2025381 PMAQI
8th Nov 2025342 PMAQI
8th Nov 2025563 PMAQI
8th Nov 2025584 PMAQI
8th Nov 2025505 PMAQI
8th Nov 2025486 PMAQI
8th Nov 2025437 PMAQI
8th Nov 2025528 PMAQI
8th Nov 2025659 PMAQI
8th Nov 20254610 PMAQI
8th Nov 20254011 PMAQI
9th Nov 20254812 AMAQI
9th Nov 2025421 AMAQI
9th Nov 2025412 AMAQI
9th Nov 2025483 AMAQI
9th Nov 2025544 AMAQI
9th Nov 2025485 AMAQI
9th Nov 2025426 AMAQI
10°C5/18°C
9th Nov 2025387 AMAQI
9th Nov 2025258 AMAQI
9th Nov 2025209 AMAQI
9th Nov 20253810 AMAQI
9th Nov 20255711 AMAQI
9th Nov 20254712 PMAQI
9th Nov 2025251 PMAQI
9th Nov 2025282 PMAQI
9th Nov 2025423 PMAQI
9th Nov 2025364 PMAQI
9th Nov 2025215 PMAQI
9th Nov 2025296 PMAQI
9th Nov 2025477 PMAQI
9th Nov 2025548 PMAQI
9th Nov 2025439 PMAQI
9th Nov 20252910 PMAQI
9th Nov 20252811 PMAQI
10th Nov 20252412 AMAQI
10th Nov 2025421 AMAQI
10th Nov 2025342 AMAQI
10th Nov 2025243 AMAQI
10th Nov 2025374 AMAQI
10th Nov 2025425 AMAQI
10th Nov 2025386 AMAQI
12°C7/20°C
10th Nov 2025447 AMAQI
10th Nov 2025338 AMAQI
10th Nov 2025339 AMAQI
10th Nov 20253810 AMAQI
10th Nov 20254611 AMAQI
10th Nov 20255712 PMAQI
10th Nov 2025501 PMAQI
10th Nov 2025472 PMAQI
10th Nov 2025503 PMAQI
10th Nov 2025444 PMAQI
10th Nov 2025395 PMAQI
10th Nov 2025426 PMAQI
10th Nov 2025407 PMAQI
10th Nov 2025648 PMAQI
10th Nov 2025619 PMAQI
10th Nov 20254610 PMAQI
10th Nov 20254911 PMAQI
11th Nov 20256312 AMAQI
11th Nov 2025611 AMAQI
11th Nov 2025532 AMAQI
11th Nov 2025473 AMAQI
11th Nov 2025444 AMAQI
11th Nov 2025485 AMAQI
11th Nov 2025466 AMAQI
12°C7/18°C
11th Nov 2025307 AMAQI
11th Nov 2025258 AMAQI
11th Nov 2025349 AMAQI
11th Nov 20254210 AMAQI
11th Nov 20254811 AMAQI
11th Nov 20256112 PMAQI
11th Nov 2025651 PMAQI
11th Nov 2025682 PMAQI
11th Nov 2025623 PMAQI
11th Nov 2025444 PMAQI
11th Nov 2025435 PMAQI
11th Nov 2025546 PMAQI
11th Nov 2025517 PMAQI
11th Nov 2025588 PMAQI
11th Nov 2025689 PMAQI
11th Nov 20256810 PMAQI
11th Nov 20256811 PMAQI
12th Nov 20255312 AMAQI
12th Nov 2025421 AMAQI
12th Nov 2025562 AMAQI
12th Nov 2025473 AMAQI
12th Nov 2025344 AMAQI
12th Nov 2025305 AMAQI
12th Nov 2025336 AMAQI
11°C6/17°C
12th Nov 2025337 AMAQI
12th Nov 2025408 AMAQI
12th Nov 2025449 AMAQI
12th Nov 20254910 AMAQI
12th Nov 20255311 AMAQI
12th Nov 20254212 PMAQI
12th Nov 2025561 PMAQI
12th Nov 2025482 PMAQI
12th Nov 2025423 PMAQI
12th Nov 2025474 PMAQI
12th Nov 2025475 PMAQI
12th Nov 2025476 PMAQI
12th Nov 2025537 PMAQI
12th Nov 2025618 PMAQI
12th Nov 2025529 PMAQI
12th Nov 20253710 PMAQI
12th Nov 20255611 PMAQI
13th Nov 20255312 AMAQI
13th Nov 2025511 AMAQI
13th Nov 2025462 AMAQI
13th Nov 2025503 AMAQI
13th Nov 2025584 AMAQI
13th Nov 2025535 AMAQI
13th Nov 2025426 AMAQI
9°C6/15°C
13th Nov 2025337 AMAQI
13th Nov 2025428 AMAQI
13th Nov 2025479 AMAQI
13th Nov 20255410 AMAQI
13th Nov 20255311 AMAQI
13th Nov 20253612 PMAQI
13th Nov 2025221 PMAQI
13th Nov 2025222 PMAQI
13th Nov 2025203 PMAQI
13th Nov 2025234 PMAQI
13th Nov 2025425 PMAQI
13th Nov 2025446 PMAQI
13th Nov 2025477 PMAQI
13th Nov 2025578 PMAQI
13th Nov 2025589 PMAQI
13th Nov 20255610 PMAQI
13th Nov 20255811 PMAQI
14th Nov 20255712 AMAQI
14th Nov 2025541 AMAQI
14th Nov 2025532 AMAQI
14th Nov 2025403 AMAQI
14th Nov 2025224 AMAQI
14th Nov 2025305 AMAQI
14th Nov 2025446 AMAQI
9°C6/11°C
14th Nov 2025427 AMAQI
14th Nov 2025398 AMAQI
14th Nov 2025369 AMAQI
14th Nov 20255010 AMAQI
14th Nov 20255611 AMAQI
14th Nov 20254212 PMAQI
14th Nov 2025251 PMAQI
14th Nov 2025112 PMAQI
14th Nov 2025113 PMAQI
14th Nov 2025204 PMAQI
14th Nov 2025345 PMAQI
14th Nov 2025306 PMAQI
14th Nov 2025457 PMAQI
14th Nov 2025668 PMAQI
14th Nov 2025579 PMAQI
14th Nov 20255510 PMAQI
14th Nov 20255811 PMAQI
15th Nov 20256112 AMAQI
15th Nov 2025641 AMAQI
15th Nov 2025602 AMAQI
15th Nov 2025503 AMAQI
15th Nov 2025484 AMAQI
15th Nov 2025525 AMAQI
15th Nov 2025396 AMAQI
8°C4/12°C
15th Nov 2025307 AMAQI
15th Nov 2025388 AMAQI
15th Nov 2025479 AMAQI
15th Nov 20255410 AMAQI
15th Nov 20256311 AMAQI
15th Nov 20256012 PMAQI
15th Nov 2025571 PMAQI
15th Nov 2025522 PMAQI
15th Nov 2025443 PMAQI
15th Nov 2025254 PMAQI
15th Nov 2025115 PMAQI
15th Nov 2025256 PMAQI
15th Nov 2025397 PMAQI
15th Nov 2025428 PMAQI
15th Nov 2025519 PMAQI
15th Nov 20256010 PMAQI
15th Nov 20256111 PMAQI
16th Nov 20255512 AMAQI
16th Nov 2025471 AMAQI
16th Nov 2025482 AMAQI
16th Nov 2025443 AMAQI
16th Nov 2025284 AMAQI
16th Nov 2025385 AMAQI
16th Nov 2025486 AMAQI
9°C5/15°C
16th Nov 2025427 AMAQI
16th Nov 2025428 AMAQI
16th Nov 2025429 AMAQI
16th Nov 20254210 AMAQI
16th Nov 20254411 AMAQI
16th Nov 20254412 PMAQI
16th Nov 2025441 PMAQI
16th Nov 2025422 PMAQI
16th Nov 2025423 PMAQI
16th Nov 2025504 PMAQI
16th Nov 2025565 PMAQI
16th Nov 2025556 PMAQI
16th Nov 2025567 PMAQI
16th Nov 2025568 PMAQI
16th Nov 2025579 PMAQI
16th Nov 20255010 PMAQI
16th Nov 20253111 PMAQI
17th Nov 20252512 AMAQI
17th Nov 2025461 AMAQI
17th Nov 2025532 AMAQI
17th Nov 2025533 AMAQI
17th Nov 2025434 AMAQI
17th Nov 2025285 AMAQI
17th Nov 2025226 AMAQI
7°C5/8°C
17th Nov 2025167 AMAQI
17th Nov 2025148 AMAQI
17th Nov 2025289 AMAQI
17th Nov 20253910 AMAQI
17th Nov 20253011 AMAQI
17th Nov 20251612 PMAQI
17th Nov 2025111 PMAQI
17th Nov 2025162 PMAQI
17th Nov 2025203 PMAQI
17th Nov 2025144 PMAQI
17th Nov 2025225 PMAQI
17th Nov 2025426 PMAQI
17th Nov 2025477 PMAQI
17th Nov 2025388 PMAQI
17th Nov 2025389 PMAQI
17th Nov 20254210 PMAQI
17th Nov 20255211 PMAQI
18th Nov 20256112 AMAQI
18th Nov 2025571 AMAQI
18th Nov 2025642 AMAQI
18th Nov 2025563 AMAQI
18th Nov 2025564 AMAQI
18th Nov 2025565 AMAQI
18th Nov 2025446 AMAQI
4°C-1/7°C
18th Nov 2025297 AMAQI
7 AM18th Nov 2025338 AMAQI
18th Nov 2025339 AMAQI
18th Nov 20253710 AMAQI
18th Nov 20255311 AMAQI
18th Nov 20255012 PMAQI
12 PM18th Nov 2025331 PMAQI
18th Nov 2025342 PMAQI
5 PM
12 AM
6 AM
--°C/°C
Day time
Avg. Highest Time
11 AM - 12 PM
51AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
5 PM
32AQI
1 hours / Day
30 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 12 PM (Avg. 51), while the lowest AQI was between 5 PM to 5 PM (Avg. 32).
Night time
Avg. Highest Time
12 AM - 1 AM
54AQI
2 hours / Day
60 hours / Month
Avg. Lowest Time
6 PM
36AQI
1 hours / Day
30 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 6 PM to 6 PM (Avg. 36).
2025 Days Vs Air Quality
Chester, Susanville, California, United States
2025
89%
287
11%
34
Total number of days with different AQI categories in last 322 days in 2025 (43 days remaining)
Good
287 DaysModerate
34 DaysPoor
0 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 322 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
Chester, Susanville, 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
64AQI
64AQI
2nd January 2025
67AQI
67AQI
3rd January 2025
54AQI
54AQI
4th January 2025
52AQI
52AQI
5th January 2025
62AQI
62AQI
6th January 2025
52AQI
52AQI
7th January 2025
44AQI
44AQI
8th January 2025
48AQI
48AQI
9th January 2025
54AQI
54AQI
10th January 2025
52AQI
52AQI
11th January 2025
44AQI
44AQI
12th January 2025
45AQI
45AQI
13th January 2025
43AQI
43AQI
14th January 2025
71AQI
71AQI
15th January 2025
66AQI
66AQI
16th January 2025
74AQI
74AQI
17th January 2025
81AQI
81AQI
18th January 2025
66AQI
66AQI
19th January 2025
66AQI
66AQI
20th January 2025
58AQI
58AQI
21st January 2025
62AQI
62AQI
22nd January 2025
57AQI
57AQI
23rd January 2025
54AQI
54AQI
24th January 2025
71AQI
71AQI
25th January 2025
43AQI
43AQI
26th January 2025
35AQI
35AQI
27th January 2025
48AQI
48AQI
28th January 2025
55AQI
55AQI
29th January 2025
58AQI
58AQI
30th January 2025
65AQI
65AQI
31st January 2025
57AQI
57AQI
1st February 2025
50AQI
50AQI
2nd February 2025
37AQI
37AQI
3rd February 2025
33AQI
33AQI
4th February 2025
39AQI
39AQI
5th February 2025
32AQI
32AQI
6th February 2025
45AQI
45AQI
7th February 2025
30AQI
30AQI
8th February 2025
40AQI
40AQI
9th February 2025
34AQI
34AQI
10th February 2025
35AQI
35AQI
11th February 2025
44AQI
44AQI
12th February 2025
48AQI
48AQI
13th February 2025
38AQI
38AQI
14th February 2025
20AQI
20AQI
15th February 2025
20AQI
20AQI
16th February 2025
29AQI
29AQI
17th February 2025
23AQI
23AQI
18th February 2025
29AQI
29AQI
19th February 2025
38AQI
38AQI
20th February 2025
27AQI
27AQI
21st February 2025
27AQI
27AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
25AQI
25AQI
24th February 2025
25AQI
25AQI
25th February 2025
23AQI
23AQI
26th February 2025
25AQI
25AQI
27th February 2025
30AQI
30AQI
28th February 2025
25AQI
25AQI
1st March 2025
23AQI
23AQI
2nd March 2025
23AQI
23AQI
3rd March 2025
19AQI
19AQI
4th March 2025
27AQI
27AQI
5th March 2025
31AQI
31AQI
6th March 2025
23AQI
23AQI
7th March 2025
26AQI
26AQI
8th March 2025
25AQI
25AQI
9th March 2025
26AQI
26AQI
10th March 2025
26AQI
26AQI
11th March 2025
22AQI
22AQI
12th March 2025
14AQI
14AQI
13th March 2025
25AQI
25AQI
14th March 2025
24AQI
24AQI
15th March 2025
32AQI
32AQI
16th March 2025
26AQI
26AQI
17th March 2025
29AQI
29AQI
18th March 2025
28AQI
28AQI
19th March 2025
35AQI
35AQI
20th March 2025
28AQI
28AQI
21st March 2025
28AQI
28AQI
22nd March 2025
30AQI
30AQI
23rd March 2025
28AQI
28AQI
24th March 2025
36AQI
36AQI
25th March 2025
34AQI
34AQI
26th March 2025
46AQI
46AQI
27th March 2025
22AQI
22AQI
28th March 2025
30AQI
30AQI
29th March 2025
31AQI
31AQI
30th March 2025
31AQI
31AQI
31st March 2025
25AQI
25AQI
1st April 2025
34AQI
34AQI
2nd April 2025
38AQI
38AQI
3rd April 2025
31AQI
31AQI
4th April 2025
31AQI
31AQI
5th April 2025
31AQI
31AQI
6th April 2025
29AQI
29AQI
7th April 2025
22AQI
22AQI
8th April 2025
29AQI
29AQI
9th April 2025
36AQI
36AQI
10th April 2025
34AQI
34AQI
11th April 2025
30AQI
30AQI
12th April 2025
26AQI
26AQI
13th April 2025
26AQI
26AQI
14th April 2025
30AQI
30AQI
15th April 2025
34AQI
34AQI
16th April 2025
36AQI
36AQI
17th April 2025
28AQI
28AQI
18th April 2025
24AQI
24AQI
19th April 2025
27AQI
27AQI
20th April 2025
25AQI
25AQI
21st April 2025
23AQI
23AQI
22nd April 2025
28AQI
28AQI
23rd April 2025
27AQI
27AQI
24th April 2025
31AQI
31AQI
25th April 2025
29AQI
29AQI
26th April 2025
28AQI
28AQI
27th April 2025
24AQI
24AQI
28th April 2025
24AQI
24AQI
29th April 2025
23AQI
23AQI
30th April 2025
24AQI
24AQI
1st May 2025
21AQI
21AQI
2nd May 2025
23AQI
23AQI
3rd May 2025
22AQI
22AQI
4th May 2025
20AQI
20AQI
5th May 2025
20AQI
20AQI
6th May 2025
19AQI
19AQI
7th May 2025
27AQI
27AQI
8th May 2025
23AQI
23AQI
9th May 2025
25AQI
25AQI
10th May 2025
24AQI
24AQI
11th May 2025
25AQI
25AQI
12th May 2025
30AQI
30AQI
13th May 2025
23AQI
23AQI
14th May 2025
23AQI
23AQI
15th May 2025
19AQI
19AQI
16th May 2025
20AQI
20AQI
17th May 2025
19AQI
19AQI
18th May 2025
19AQI
19AQI
19th May 2025
19AQI
19AQI
20th May 2025
17AQI
17AQI
21st May 2025
19AQI
19AQI
22nd May 2025
19AQI
19AQI
23rd May 2025
20AQI
20AQI
24th May 2025
23AQI
23AQI
25th May 2025
21AQI
21AQI
26th May 2025
17AQI
17AQI
27th May 2025
19AQI
19AQI
28th May 2025
22AQI
22AQI
29th May 2025
18AQI
18AQI
30th May 2025
20AQI
20AQI
31st May 2025
19AQI
19AQI
1st June 2025
21AQI
21AQI
2nd June 2025
18AQI
18AQI
3rd June 2025
20AQI
20AQI
4th June 2025
20AQI
20AQI
5th June 2025
24AQI
24AQI
6th June 2025
24AQI
24AQI
7th June 2025
26AQI
26AQI
8th June 2025
25AQI
25AQI
9th June 2025
28AQI
28AQI
10th June 2025
23AQI
23AQI
11th June 2025
29AQI
29AQI
12th June 2025
26AQI
26AQI
13th June 2025
24AQI
24AQI
14th June 2025
24AQI
24AQI
15th June 2025
22AQI
22AQI
16th June 2025
21AQI
21AQI
17th June 2025
22AQI
22AQI
18th June 2025
20AQI
20AQI
19th June 2025
20AQI
20AQI
20th June 2025
28AQI
28AQI
21st June 2025
25AQI
25AQI
22nd June 2025
25AQI
25AQI
23rd June 2025
24AQI
24AQI
24th June 2025
24AQI
24AQI
25th June 2025
28AQI
28AQI
26th June 2025
28AQI
28AQI
27th June 2025
28AQI
28AQI
28th June 2025
25AQI
25AQI
29th June 2025
24AQI
24AQI
30th June 2025
31AQI
31AQI
1st July 2025
29AQI
29AQI
2nd July 2025
25AQI
25AQI
3rd July 2025
29AQI
29AQI
4th July 2025
25AQI
25AQI
5th July 2025
24AQI
24AQI
6th July 2025
29AQI
29AQI
7th July 2025
40AQI
40AQI
8th July 2025
26AQI
26AQI
9th July 2025
21AQI
21AQI
10th July 2025
41AQI
41AQI
11th July 2025
53AQI
53AQI
12th July 2025
55AQI
55AQI
13th July 2025
59AQI
59AQI
14th July 2025
60AQI
60AQI
15th July 2025
47AQI
47AQI
16th July 2025
39AQI
39AQI
17th July 2025
34AQI
34AQI
18th July 2025
32AQI
32AQI
19th July 2025
31AQI
31AQI
20th July 2025
33AQI
33AQI
21st July 2025
27AQI
27AQI
22nd July 2025
18AQI
18AQI
23rd July 2025
18AQI
18AQI
24th July 2025
19AQI
19AQI
25th July 2025
22AQI
22AQI
26th July 2025
21AQI
21AQI
27th July 2025
23AQI
23AQI
28th July 2025
24AQI
24AQI
29th July 2025
25AQI
25AQI
30th July 2025
26AQI
26AQI
31st July 2025
22AQI
22AQI
1st August 2025
26AQI
26AQI
2nd August 2025
25AQI
25AQI
3rd August 2025
23AQI
23AQI
4th August 2025
23AQI
23AQI
5th August 2025
23AQI
23AQI
6th August 2025
23AQI
23AQI
7th August 2025
21AQI
21AQI
8th August 2025
23AQI
23AQI
9th August 2025
21AQI
21AQI
10th August 2025
22AQI
22AQI
11th August 2025
24AQI
24AQI
12th August 2025
28AQI
28AQI
13th August 2025
28AQI
28AQI
14th August 2025
31AQI
31AQI
15th August 2025
27AQI
27AQI
16th August 2025
26AQI
26AQI
17th August 2025
19AQI
19AQI
18th August 2025
17AQI
17AQI
19th August 2025
19AQI
19AQI
20th August 2025
21AQI
21AQI
21st August 2025
24AQI
24AQI
22nd August 2025
30AQI
30AQI
23rd August 2025
28AQI
28AQI
24th August 2025
34AQI
34AQI
25th August 2025
30AQI
30AQI
26th August 2025
38AQI
38AQI
27th August 2025
38AQI
38AQI
28th August 2025
33AQI
33AQI
29th August 2025
25AQI
25AQI
30th August 2025
30AQI
30AQI
31st August 2025
35AQI
35AQI
1st September 2025
28AQI
28AQI
2nd September 2025
25AQI
25AQI
3rd September 2025
38AQI
38AQI
4th September 2025
29AQI
29AQI
5th September 2025
36AQI
36AQI
6th September 2025
34AQI
34AQI
7th September 2025
29AQI
29AQI
8th September 2025
24AQI
24AQI
9th September 2025
18AQI
18AQI
10th September 2025
20AQI
20AQI
11th September 2025
20AQI
20AQI
12th September 2025
25AQI
25AQI
13th September 2025
26AQI
26AQI
14th September 2025
28AQI
28AQI
15th September 2025
22AQI
22AQI
16th September 2025
20AQI
20AQI
17th September 2025
24AQI
24AQI
18th September 2025
26AQI
26AQI
19th September 2025
28AQI
28AQI
20th September 2025
26AQI
26AQI
21st September 2025
26AQI
26AQI
22nd September 2025
19AQI
19AQI
23rd September 2025
23AQI
23AQI
24th September 2025
20AQI
20AQI
25th September 2025
37AQI
37AQI
26th September 2025
31AQI
31AQI
27th September 2025
22AQI
22AQI
28th September 2025
31AQI
31AQI
29th September 2025
22AQI
22AQI
30th September 2025
19AQI
19AQI
1st October 2025
22AQI
22AQI
2nd October 2025
20AQI
20AQI
3rd October 2025
22AQI
22AQI
4th October 2025
26AQI
26AQI
5th October 2025
35AQI
35AQI
6th October 2025
54AQI
54AQI
7th October 2025
27AQI
27AQI
8th October 2025
44AQI
44AQI
9th October 2025
44AQI
44AQI
10th October 2025
41AQI
41AQI
11th October 2025
32AQI
32AQI
12th October 2025
37AQI
37AQI
13th October 2025
34AQI
34AQI
14th October 2025
34AQI
34AQI
15th October 2025
29AQI
29AQI
16th October 2025
45AQI
45AQI
17th October 2025
44AQI
44AQI
18th October 2025
52AQI
52AQI
19th October 2025
50AQI
50AQI
20th October 2025
35AQI
35AQI
21st October 2025
41AQI
41AQI
22nd October 2025
64AQI
64AQI
23rd October 2025
45AQI
45AQI
24th October 2025
44AQI
44AQI
25th October 2025
44AQI
44AQI
26th October 2025
39AQI
39AQI
27th October 2025
46AQI
46AQI
28th October 2025
50AQI
50AQI
29th October 2025
55AQI
55AQI
30th October 2025
52AQI
52AQI
31st October 2025
53AQI
53AQI
1st November 2025
48AQI
48AQI
2nd November 2025
40AQI
40AQI
3rd November 2025
43AQI
43AQI
4th November 2025
45AQI
45AQI
5th November 2025
41AQI
41AQI
6th November 2025
43AQI
43AQI
7th November 2025
45AQI
45AQI
8th November 2025
50AQI
50AQI
9th November 2025
39AQI
39AQI
10th November 2025
41AQI
41AQI
11th November 2025
53AQI
53AQI
12th November 2025
47AQI
47AQI
13th November 2025
46AQI
46AQI
14th November 2025
44AQI
44AQI
15th November 2025
49AQI
49AQI
16th November 2025
47AQI
47AQI
17th November 2025
35AQI
35AQI
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
57AQI
32AQI
28AQI
29AQI
21AQI
24AQI
32AQI
26AQI
26AQI
41AQI
44AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202532AQI
8
23
28
31
30
31
30
27
4
31
30
25
6
16
1
287
34
Highest AQI recorded in
January57AQI
Lowest AQI recorded in
May21AQI
202434AQI
16
10
26
3
31
29
1
31
29
24
2
1
1
3
25
2
4
30
31
18
12
11
20
301
50
5
1
3
Highest AQI recorded in
December56AQI
Lowest AQI recorded in
May15AQI
202330AQI
2
5
12
13
26
5
30
31
23
20
25
6
3
22
9
200
32
Highest AQI recorded in
January56AQI
Lowest AQI recorded in
May13AQI
202238AQI
12
6
1
1
20
2
18
2
22
1
31
23
24
2
1
21
8
26
3
16
14
10
17
3
1
225
54
4
2
Highest AQI recorded in
December66AQI
Lowest AQI recorded in
July18AQI
202158AQI
9
21
19
9
31
30
21
16
1
3
3
8
5
1
5
8
7
9
12
11
5
2
27
4
20
10
10
6
199
70
21
12
11
Highest AQI recorded in
August160AQI
Lowest AQI recorded in
May19AQI
202044AQI
13
19
1
18
28
28
3
18
5
4
4
6
11
6
4
3
26
2
2
26
3
1
15
16
197
41
13
8
3
Highest AQI recorded in
September100AQI
Lowest AQI recorded in
June19AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
58AQILeast Polluted Year Recorded
2023(Avg.)
30AQIChester's annual 2025 AQI (32) shows an average percentage change of -16.4% (improved AQI) compared to previous years: 2020 (44), 2021 (58), 2022 (38), 2023 (30), 2024 (34).
