Country Background

Chelan, Washington, 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

Chelan, Washington, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
20th Oct 2022
96AQI
Lowest AQI recorded on
28th Oct 2024
2AQI


Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2022 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 18th Oct - 19th Oct 2025

Chelan, Washington, United States

AQI
Day
Night
.

7 AM18th Oct 2025

6 PM

6 AM19th Oct 2025

Day time
Avg. Highest Time
8AM18th Oct

99AQI

Avg. Lowest Time
10AM18th Oct

44AQI

Night time
Avg. Highest Time
7PM18th Oct

57AQI

Avg. Lowest Time
11PM18th Oct

40AQI

In the last 24 hours,

Chelan's AQI reached its highest point of 99 at 8 AM during the Day, while the lowest point, 40, was recorded at 11 PM during the Night between 18th Oct and 19th Oct 2025.

Day & Night AQI Trend : Sep - Oct 2025

Chelan, Washington, United States

SepOct
19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
Day
Night
19th Sep 2025607 AMAQI
19th Sep 2025608 AMAQI
19th Sep 2025629 AMAQI
19th Sep 20256210 AMAQI
19th Sep 20256211 AMAQI
19th Sep 20256012 PMAQI
19th Sep 2025621 PMAQI
19th Sep 2025602 PMAQI
19th Sep 2025613 PMAQI
19th Sep 2025584 PMAQI
19th Sep 2025605 PMAQI
19th Sep 2025606 PMAQI
19th Sep 2025587 PMAQI
19th Sep 2025568 PMAQI
19th Sep 2025589 PMAQI
19th Sep 20255810 PMAQI
19th Sep 20255811 PMAQI
20th Sep 20256212 AMAQI
20th Sep 2025601 AMAQI
20th Sep 2025622 AMAQI
20th Sep 2025643 AMAQI
20th Sep 2025654 AMAQI
20th Sep 2025665 AMAQI
20th Sep 2025636 AMAQI

--°C/°C

20th Sep 2025617 AMAQI
20th Sep 2025628 AMAQI
20th Sep 2025619 AMAQI
20th Sep 20256210 AMAQI
20th Sep 20256411 AMAQI
20th Sep 20256212 PMAQI
20th Sep 2025621 PMAQI
20th Sep 2025612 PMAQI
20th Sep 2025623 PMAQI
20th Sep 2025614 PMAQI
20th Sep 2025605 PMAQI
20th Sep 2025636 PMAQI
20th Sep 2025617 PMAQI
20th Sep 2025618 PMAQI
20th Sep 2025599 PMAQI
20th Sep 20256210 PMAQI
20th Sep 20256011 PMAQI
21st Sep 20256212 AMAQI
21st Sep 2025591 AMAQI
21st Sep 2025482 AMAQI
21st Sep 2025483 AMAQI
21st Sep 2025424 AMAQI
21st Sep 2025405 AMAQI
21st Sep 2025446 AMAQI

21°C13/31°C

21st Sep 2025467 AMAQI
21st Sep 2025478 AMAQI
21st Sep 2025449 AMAQI
21st Sep 20254210 AMAQI
21st Sep 20254611 AMAQI
21st Sep 20254612 PMAQI
21st Sep 2025501 PMAQI
21st Sep 2025422 PMAQI
21st Sep 2025473 PMAQI
21st Sep 2025444 PMAQI
21st Sep 2025435 PMAQI
21st Sep 2025416 PMAQI
21st Sep 2025467 PMAQI
21st Sep 2025468 PMAQI
21st Sep 2025419 PMAQI
21st Sep 20253710 PMAQI
21st Sep 20253711 PMAQI
22nd Sep 20253612 AMAQI
22nd Sep 2025371 AMAQI
22nd Sep 2025182 AMAQI
22nd Sep 2025203 AMAQI
22nd Sep 2025214 AMAQI
22nd Sep 2025195 AMAQI
22nd Sep 2025206 AMAQI

17°C7/22°C

22nd Sep 2025207 AMAQI
22nd Sep 2025228 AMAQI
22nd Sep 2025289 AMAQI
22nd Sep 20253710 AMAQI
22nd Sep 20254811 AMAQI
22nd Sep 20255212 PMAQI
22nd Sep 2025491 PMAQI
22nd Sep 2025382 PMAQI
22nd Sep 2025323 PMAQI
22nd Sep 2025354 PMAQI
22nd Sep 2025355 PMAQI
22nd Sep 2025326 PMAQI
22nd Sep 2025297 PMAQI
22nd Sep 2025298 PMAQI
22nd Sep 2025359 PMAQI
22nd Sep 20254310 PMAQI
22nd Sep 20254511 PMAQI
23rd Sep 20254112 AMAQI
23rd Sep 2025431 AMAQI
23rd Sep 2025562 AMAQI
23rd Sep 2025563 AMAQI
23rd Sep 2025554 AMAQI
23rd Sep 2025575 AMAQI
23rd Sep 2025576 AMAQI

16°C10/24°C

23rd Sep 2025567 AMAQI
23rd Sep 2025588 AMAQI
23rd Sep 2025589 AMAQI
23rd Sep 20256210 AMAQI
23rd Sep 20256411 AMAQI
23rd Sep 20256612 PMAQI
23rd Sep 2025641 PMAQI
23rd Sep 2025622 PMAQI
23rd Sep 2025563 PMAQI
23rd Sep 2025564 PMAQI
23rd Sep 2025565 PMAQI
23rd Sep 2025556 PMAQI
23rd Sep 2025577 PMAQI
23rd Sep 2025588 PMAQI
23rd Sep 2025569 PMAQI
23rd Sep 20255510 PMAQI
23rd Sep 20255411 PMAQI
24th Sep 20255412 AMAQI
24th Sep 2025561 AMAQI
24th Sep 2025612 AMAQI
24th Sep 2025623 AMAQI
24th Sep 2025644 AMAQI
24th Sep 2025625 AMAQI
24th Sep 2025606 AMAQI

18°C11/26°C

24th Sep 2025567 AMAQI
24th Sep 2025568 AMAQI
24th Sep 2025589 AMAQI
24th Sep 20255810 AMAQI
24th Sep 20255911 AMAQI
24th Sep 20256212 PMAQI
24th Sep 2025621 PMAQI
24th Sep 2025582 PMAQI
24th Sep 2025583 PMAQI
24th Sep 2025584 PMAQI
24th Sep 2025605 PMAQI
24th Sep 2025606 PMAQI
24th Sep 2025577 PMAQI
24th Sep 2025578 PMAQI
24th Sep 2025579 PMAQI
24th Sep 20255810 PMAQI
24th Sep 20255911 PMAQI
25th Sep 202512612 AMAQI
25th Sep 20251661 AMAQI
25th Sep 20251652 AMAQI
25th Sep 20251653 AMAQI
25th Sep 20251624 AMAQI
25th Sep 20251605 AMAQI
25th Sep 20251596 AMAQI

20°C13/29°C

25th Sep 20251707 AMAQI
25th Sep 20251748 AMAQI
25th Sep 20251809 AMAQI
25th Sep 202517610 AMAQI
25th Sep 202516511 AMAQI
25th Sep 202515212 PMAQI
25th Sep 20251361 PMAQI
25th Sep 20251332 PMAQI
25th Sep 20251283 PMAQI
25th Sep 20251104 PMAQI
25th Sep 20251105 PMAQI
25th Sep 20251116 PMAQI
25th Sep 20251107 PMAQI
25th Sep 2025428 PMAQI
25th Sep 2025319 PMAQI
25th Sep 20253210 PMAQI
25th Sep 20253211 PMAQI
26th Sep 20253012 AMAQI
26th Sep 2025281 AMAQI
26th Sep 2025272 AMAQI
26th Sep 2025283 AMAQI
26th Sep 2025264 AMAQI
26th Sep 2025245 AMAQI
26th Sep 2025236 AMAQI

19°C13/27°C

26th Sep 2025217 AMAQI
26th Sep 2025198 AMAQI
26th Sep 2025349 AMAQI
26th Sep 20254510 AMAQI
26th Sep 20254711 AMAQI
26th Sep 20256012 PMAQI
26th Sep 2025681 PMAQI
26th Sep 2025832 PMAQI
26th Sep 20251313 PMAQI
26th Sep 20251084 PMAQI
26th Sep 2025545 PMAQI
26th Sep 2025606 PMAQI
26th Sep 20251007 PMAQI
26th Sep 2025968 PMAQI
26th Sep 2025909 PMAQI
26th Sep 20258410 PMAQI
26th Sep 20257311 PMAQI
27th Sep 20256812 AMAQI
27th Sep 2025681 AMAQI
27th Sep 2025662 AMAQI
27th Sep 2025573 AMAQI
27th Sep 2025574 AMAQI
27th Sep 2025705 AMAQI
27th Sep 2025696 AMAQI

17°C11/25°C

27th Sep 2025697 AMAQI
27th Sep 2025708 AMAQI
27th Sep 2025689 AMAQI
27th Sep 20256010 AMAQI
27th Sep 20257211 AMAQI
27th Sep 20257412 PMAQI
27th Sep 2025701 PMAQI
27th Sep 2025602 PMAQI
27th Sep 2025643 PMAQI
27th Sep 2025644 PMAQI
27th Sep 2025715 PMAQI
27th Sep 2025846 PMAQI
27th Sep 2025887 PMAQI
27th Sep 2025898 PMAQI
27th Sep 2025969 PMAQI
27th Sep 20259710 PMAQI
27th Sep 20259811 PMAQI
28th Sep 20259412 AMAQI
28th Sep 2025911 AMAQI
28th Sep 2025912 AMAQI
28th Sep 2025913 AMAQI
28th Sep 2025964 AMAQI
28th Sep 2025935 AMAQI
28th Sep 2025936 AMAQI

18°C13/25°C

28th Sep 2025887 AMAQI
28th Sep 2025908 AMAQI
28th Sep 2025899 AMAQI
28th Sep 20258310 AMAQI
28th Sep 20258011 AMAQI
28th Sep 20258912 PMAQI
28th Sep 20251001 PMAQI
28th Sep 20251032 PMAQI
28th Sep 2025933 PMAQI
28th Sep 2025904 PMAQI
28th Sep 20251035 PMAQI
28th Sep 2025956 PMAQI
28th Sep 2025947 PMAQI
28th Sep 2025898 PMAQI
28th Sep 2025799 PMAQI
28th Sep 20257710 PMAQI
28th Sep 20258011 PMAQI
29th Sep 20257912 AMAQI
29th Sep 2025771 AMAQI
29th Sep 2025842 AMAQI
29th Sep 2025823 AMAQI
29th Sep 2025864 AMAQI
29th Sep 2025895 AMAQI
29th Sep 2025966 AMAQI

19°C12/27°C

29th Sep 2025927 AMAQI
29th Sep 2025848 AMAQI
29th Sep 2025869 AMAQI
29th Sep 20258510 AMAQI
29th Sep 20257811 AMAQI
29th Sep 20257912 PMAQI
29th Sep 2025841 PMAQI
29th Sep 2025782 PMAQI
29th Sep 2025853 PMAQI
29th Sep 2025834 PMAQI
29th Sep 2025825 PMAQI
29th Sep 2025876 PMAQI
29th Sep 2025997 PMAQI
29th Sep 20251088 PMAQI
29th Sep 2025999 PMAQI
29th Sep 20257610 PMAQI
29th Sep 20257511 PMAQI
30th Sep 20256912 AMAQI
30th Sep 2025711 AMAQI
30th Sep 2025762 AMAQI
30th Sep 2025743 AMAQI
30th Sep 2025704 AMAQI
30th Sep 2025615 AMAQI
30th Sep 2025476 AMAQI

19°C15/24°C

30th Sep 2025237 AMAQI
30th Sep 2025248 AMAQI
30th Sep 2025349 AMAQI
30th Sep 20255110 AMAQI
30th Sep 20254611 AMAQI
30th Sep 20255712 PMAQI
30th Sep 2025551 PMAQI
30th Sep 2025522 PMAQI
30th Sep 2025443 PMAQI
30th Sep 2025484 PMAQI
30th Sep 2025405 PMAQI
30th Sep 2025486 PMAQI
30th Sep 2025527 PMAQI
30th Sep 2025398 PMAQI
30th Sep 2025199 PMAQI
30th Sep 20251210 PMAQI
30th Sep 20251111 PMAQI
1st Oct 20251112 AMAQI
1st Oct 2025121 AMAQI
1st Oct 2025112 AMAQI
1st Oct 2025113 AMAQI
1st Oct 2025114 AMAQI
1st Oct 2025245 AMAQI
1st Oct 2025436 AMAQI

16°C11/21°C

1st Oct 2025587 AMAQI
1st Oct 2025688 AMAQI
1st Oct 2025719 AMAQI
1st Oct 20257610 AMAQI
1st Oct 20257611 AMAQI
1st Oct 20257612 PMAQI
1st Oct 2025731 PMAQI
1st Oct 2025722 PMAQI
1st Oct 2025613 PMAQI
1st Oct 2025574 PMAQI
1st Oct 2025405 PMAQI
1st Oct 2025246 PMAQI
1st Oct 2025227 PMAQI
1st Oct 2025228 PMAQI
1st Oct 2025199 PMAQI
1st Oct 20253210 PMAQI
1st Oct 20253711 PMAQI
2nd Oct 20255512 AMAQI
2nd Oct 2025461 AMAQI
2nd Oct 2025392 AMAQI
2nd Oct 2025443 AMAQI
2nd Oct 2025514 AMAQI
2nd Oct 2025555 AMAQI
2nd Oct 2025576 AMAQI

14°C10/19°C

2nd Oct 2025587 AMAQI
2nd Oct 2025568 AMAQI
2nd Oct 2025479 AMAQI
2nd Oct 20254110 AMAQI
2nd Oct 20254811 AMAQI
2nd Oct 20254112 PMAQI
2nd Oct 2025351 PMAQI
2nd Oct 2025382 PMAQI
2nd Oct 2025373 PMAQI
2nd Oct 2025404 PMAQI
2nd Oct 2025425 PMAQI
2nd Oct 2025366 PMAQI
2nd Oct 2025367 PMAQI
2nd Oct 2025388 PMAQI
2nd Oct 2025389 PMAQI
2nd Oct 20254110 PMAQI
2nd Oct 20253811 PMAQI
3rd Oct 20254112 AMAQI
3rd Oct 2025471 AMAQI
3rd Oct 2025512 AMAQI
3rd Oct 2025543 AMAQI
3rd Oct 2025464 AMAQI
3rd Oct 2025545 AMAQI
3rd Oct 2025576 AMAQI

13°C8/20°C

3rd Oct 2025547 AMAQI
3rd Oct 2025528 AMAQI
3rd Oct 2025549 AMAQI
3rd Oct 20255610 AMAQI
3rd Oct 20255811 AMAQI
3rd Oct 20256012 PMAQI
3rd Oct 2025631 PMAQI
3rd Oct 2025522 PMAQI
3rd Oct 2025413 PMAQI
3rd Oct 2025394 PMAQI
3rd Oct 2025465 PMAQI
3rd Oct 2025386 PMAQI
3rd Oct 2025407 PMAQI
3rd Oct 2025558 PMAQI
3rd Oct 2025439 PMAQI
3rd Oct 20253010 PMAQI
3rd Oct 20252811 PMAQI
4th Oct 20253012 AMAQI
4th Oct 2025201 AMAQI
4th Oct 2025222 AMAQI
4th Oct 2025213 AMAQI
4th Oct 2025274 AMAQI
4th Oct 2025315 AMAQI
4th Oct 2025296 AMAQI

14°C8/22°C

4th Oct 2025237 AMAQI
4th Oct 2025318 AMAQI
4th Oct 2025479 AMAQI
4th Oct 20255710 AMAQI
4th Oct 20255711 AMAQI
4th Oct 20257312 PMAQI
4th Oct 2025591 PMAQI
4th Oct 2025482 PMAQI
4th Oct 2025413 PMAQI
4th Oct 2025284 PMAQI
4th Oct 2025345 PMAQI
4th Oct 2025586 PMAQI
4th Oct 2025597 PMAQI
4th Oct 2025598 PMAQI
4th Oct 2025459 PMAQI
4th Oct 20254110 PMAQI
4th Oct 20254011 PMAQI
5th Oct 20253712 AMAQI
5th Oct 2025361 AMAQI
5th Oct 2025312 AMAQI
5th Oct 2025393 AMAQI
5th Oct 2025594 AMAQI
5th Oct 2025605 AMAQI
5th Oct 2025626 AMAQI

15°C10/20°C

5th Oct 2025597 AMAQI
5th Oct 2025618 AMAQI
5th Oct 2025649 AMAQI
5th Oct 20256810 AMAQI
5th Oct 20258711 AMAQI
5th Oct 20255612 PMAQI
5th Oct 2025551 PMAQI
5th Oct 2025612 PMAQI
5th Oct 2025353 PMAQI
5th Oct 2025244 PMAQI
5th Oct 2025255 PMAQI
5th Oct 2025186 PMAQI
5th Oct 2025237 PMAQI
5th Oct 2025258 PMAQI
5th Oct 2025309 PMAQI
5th Oct 20252610 PMAQI
5th Oct 20252711 PMAQI
6th Oct 20253712 AMAQI
6th Oct 2025731 AMAQI
6th Oct 2025722 AMAQI
6th Oct 2025703 AMAQI
6th Oct 2025724 AMAQI
6th Oct 2025755 AMAQI
6th Oct 2025726 AMAQI

13°C7/19°C

6th Oct 2025647 AMAQI
6th Oct 2025668 AMAQI
6th Oct 2025699 AMAQI
6th Oct 20257410 AMAQI
7th Oct 2025744 AMAQI
7th Oct 2025735 AMAQI
7th Oct 2025776 AMAQI

14°C7/22°C

7th Oct 2025797 AMAQI
7th Oct 2025798 AMAQI
7th Oct 2025799 AMAQI
7th Oct 20257910 AMAQI
7th Oct 20257211 AMAQI
7th Oct 20255912 PMAQI
7th Oct 2025611 PMAQI
7th Oct 2025652 PMAQI
7th Oct 2025623 PMAQI
7th Oct 2025584 PMAQI
7th Oct 2025545 PMAQI
7th Oct 2025476 PMAQI
7th Oct 2025557 PMAQI
7th Oct 2025608 PMAQI
7th Oct 2025579 PMAQI
7th Oct 20254310 PMAQI
7th Oct 20253911 PMAQI
8th Oct 20254312 AMAQI
8th Oct 2025431 AMAQI
8th Oct 2025482 AMAQI
8th Oct 2025533 AMAQI
8th Oct 2025624 AMAQI
8th Oct 2025655 AMAQI
8th Oct 2025666 AMAQI

15°C9/22°C

8th Oct 2025657 AMAQI
8th Oct 2025568 AMAQI
8th Oct 2025539 AMAQI
8th Oct 20255110 AMAQI
8th Oct 20255011 AMAQI
8th Oct 20254612 PMAQI
8th Oct 2025471 PMAQI
8th Oct 2025412 PMAQI
8th Oct 2025563 PMAQI
8th Oct 2025424 PMAQI
8th Oct 2025485 PMAQI
8th Oct 2025566 PMAQI
8th Oct 2025427 PMAQI
8th Oct 2025388 PMAQI
8th Oct 2025409 PMAQI
8th Oct 20256210 PMAQI
8th Oct 20256611 PMAQI
9th Oct 20256712 AMAQI
9th Oct 2025641 AMAQI
9th Oct 2025612 AMAQI
9th Oct 2025623 AMAQI
9th Oct 2025614 AMAQI
9th Oct 2025455 AMAQI
9th Oct 2025406 AMAQI

15°C8/22°C

9th Oct 2025387 AMAQI
9th Oct 2025518 AMAQI
9th Oct 2025579 AMAQI
9th Oct 20255710 AMAQI
9th Oct 20256611 AMAQI
9th Oct 20256012 PMAQI
9th Oct 2025551 PMAQI
9th Oct 2025552 PMAQI
9th Oct 2025583 PMAQI
9th Oct 2025604 PMAQI
9th Oct 2025585 PMAQI
9th Oct 2025516 PMAQI
9th Oct 2025467 PMAQI
9th Oct 2025498 PMAQI
9th Oct 2025549 PMAQI
9th Oct 20254310 PMAQI
9th Oct 20254111 PMAQI
10th Oct 20253812 AMAQI
10th Oct 2025421 AMAQI
10th Oct 2025622 AMAQI
10th Oct 2025613 AMAQI
10th Oct 2025594 AMAQI
10th Oct 2025595 AMAQI
10th Oct 20251266 AMAQI

18°C13/25°C

10th Oct 20251677 AMAQI
10th Oct 20251668 AMAQI
10th Oct 20251769 AMAQI
10th Oct 20257810 AMAQI
10th Oct 202514611 AMAQI
10th Oct 202515212 PMAQI
10th Oct 20251501 PMAQI
10th Oct 20251392 PMAQI
10th Oct 20251373 PMAQI
10th Oct 2025504 PMAQI
10th Oct 2025505 PMAQI
10th Oct 2025546 PMAQI
10th Oct 2025517 PMAQI
10th Oct 2025488 PMAQI
10th Oct 2025419 PMAQI
10th Oct 20255510 PMAQI
10th Oct 20255111 PMAQI
11th Oct 20252712 AMAQI
11th Oct 2025211 AMAQI
11th Oct 2025182 AMAQI
11th Oct 2025383 AMAQI
11th Oct 2025544 AMAQI
11th Oct 2025575 AMAQI
11th Oct 2025746 AMAQI

17°C11/23°C

11th Oct 2025607 AMAQI
11th Oct 2025778 AMAQI
11th Oct 2025519 AMAQI
11th Oct 20252510 AMAQI
11th Oct 20253611 AMAQI
11th Oct 20254612 PMAQI
11th Oct 2025521 PMAQI
11th Oct 2025402 PMAQI
11th Oct 2025743 PMAQI
11th Oct 20251024 PMAQI
11th Oct 2025765 PMAQI
11th Oct 2025716 PMAQI
11th Oct 2025697 PMAQI
11th Oct 2025838 PMAQI
11th Oct 2025909 PMAQI
11th Oct 20256610 PMAQI
11th Oct 20256011 PMAQI
12th Oct 20256112 AMAQI
12th Oct 2025561 AMAQI
12th Oct 2025542 AMAQI
12th Oct 2025513 AMAQI
12th Oct 2025544 AMAQI
12th Oct 2025535 AMAQI
12th Oct 2025536 AMAQI

12°C10/17°C

12th Oct 2025337 AMAQI
12th Oct 2025488 AMAQI
12th Oct 2025579 AMAQI
12th Oct 20256110 AMAQI
12th Oct 20255711 AMAQI
12th Oct 20255012 PMAQI
12th Oct 2025601 PMAQI
12th Oct 2025702 PMAQI
12th Oct 2025703 PMAQI
12th Oct 2025894 PMAQI
12th Oct 2025815 PMAQI
12th Oct 2025986 PMAQI
12th Oct 2025897 PMAQI
12th Oct 2025688 PMAQI
12th Oct 2025529 PMAQI
12th Oct 20255110 PMAQI
12th Oct 20253411 PMAQI
13th Oct 20252612 AMAQI
13th Oct 2025261 AMAQI
13th Oct 2025242 AMAQI
13th Oct 2025263 AMAQI
13th Oct 2025274 AMAQI
13th Oct 2025245 AMAQI
13th Oct 2025276 AMAQI

8°C4/11°C

13th Oct 2025277 AMAQI
13th Oct 2025308 AMAQI
13th Oct 2025309 AMAQI
13th Oct 20253310 AMAQI
13th Oct 20253811 AMAQI
13th Oct 20254612 PMAQI
13th Oct 2025381 PMAQI
13th Oct 2025432 PMAQI
13th Oct 2025393 PMAQI
13th Oct 2025564 PMAQI
13th Oct 2025595 PMAQI
13th Oct 2025276 PMAQI
13th Oct 2025207 PMAQI
13th Oct 2025188 PMAQI
13th Oct 2025229 PMAQI
13th Oct 20253810 PMAQI
13th Oct 20254311 PMAQI
14th Oct 20255212 AMAQI
14th Oct 2025551 AMAQI
14th Oct 2025582 AMAQI
14th Oct 2025593 AMAQI
14th Oct 2025584 AMAQI
14th Oct 2025595 AMAQI
14th Oct 2025596 AMAQI

8°C4/14°C

14th Oct 2025687 AMAQI
14th Oct 2025598 AMAQI
14th Oct 2025569 AMAQI
14th Oct 20256010 AMAQI
14th Oct 20256411 AMAQI
14th Oct 20256212 PMAQI
14th Oct 2025581 PMAQI
14th Oct 2025582 PMAQI
14th Oct 2025573 PMAQI
14th Oct 2025394 PMAQI
14th Oct 2025285 PMAQI
14th Oct 2025246 PMAQI
14th Oct 2025177 PMAQI
14th Oct 2025288 PMAQI
14th Oct 2025369 PMAQI
14th Oct 20252010 PMAQI
14th Oct 20252211 PMAQI
15th Oct 20252212 AMAQI
15th Oct 2025221 AMAQI
15th Oct 2025482 AMAQI
15th Oct 2025613 AMAQI
15th Oct 2025594 AMAQI
15th Oct 2025595 AMAQI
15th Oct 2025576 AMAQI

8°C2/15°C

15th Oct 2025547 AMAQI
15th Oct 2025558 AMAQI
15th Oct 2025549 AMAQI
15th Oct 20255710 AMAQI
15th Oct 20256311 AMAQI
15th Oct 20257112 PMAQI
15th Oct 2025691 PMAQI
15th Oct 2025642 PMAQI
15th Oct 2025633 PMAQI
15th Oct 2025594 PMAQI
15th Oct 2025555 PMAQI
15th Oct 2025516 PMAQI
15th Oct 2025407 PMAQI
15th Oct 2025468 PMAQI
15th Oct 2025449 PMAQI
15th Oct 20254710 PMAQI
15th Oct 20255111 PMAQI
16th Oct 20255312 AMAQI
16th Oct 2025541 AMAQI
16th Oct 2025572 AMAQI
16th Oct 2025593 AMAQI
16th Oct 2025604 AMAQI
16th Oct 2025615 AMAQI
16th Oct 2025596 AMAQI

9°C2/16°C

16th Oct 2025617 AMAQI
16th Oct 2025598 AMAQI
16th Oct 2025609 AMAQI
16th Oct 20255910 AMAQI
16th Oct 20255811 AMAQI
16th Oct 20257112 PMAQI
16th Oct 2025761 PMAQI
16th Oct 2025692 PMAQI
16th Oct 2025613 PMAQI
16th Oct 2025574 PMAQI
16th Oct 2025545 PMAQI
16th Oct 2025546 PMAQI
16th Oct 2025547 PMAQI
16th Oct 2025438 PMAQI
16th Oct 2025379 PMAQI
16th Oct 20254310 PMAQI
16th Oct 20254011 PMAQI
17th Oct 20254012 AMAQI
17th Oct 2025481 AMAQI
17th Oct 2025462 AMAQI
17th Oct 2025413 AMAQI
17th Oct 2025414 AMAQI
17th Oct 2025555 AMAQI
17th Oct 2025586 AMAQI

11°C5/18°C

17th Oct 2025707 AMAQI
17th Oct 2025808 AMAQI
17th Oct 2025859 AMAQI
17th Oct 20258110 AMAQI
17th Oct 20257711 AMAQI
17th Oct 20258412 PMAQI
17th Oct 2025661 PMAQI
17th Oct 2025522 PMAQI
17th Oct 2025313 PMAQI
17th Oct 2025314 PMAQI
17th Oct 2025265 PMAQI
17th Oct 2025226 PMAQI
17th Oct 2025227 PMAQI
17th Oct 2025178 PMAQI
17th Oct 2025289 PMAQI
17th Oct 20252110 PMAQI
17th Oct 20252511 PMAQI
18th Oct 20254012 AMAQI
18th Oct 2025351 AMAQI
18th Oct 2025412 AMAQI
18th Oct 2025473 AMAQI
18th Oct 2025554 AMAQI
18th Oct 2025545 AMAQI
18th Oct 2025566 AMAQI

12°C7/18°C

18th Oct 2025937 AMAQI
18th Oct 2025998 AMAQI
18th Oct 2025649 AMAQI
18th Oct 20254410 AMAQI
18th Oct 20254911 AMAQI
18th Oct 20254612 PMAQI
18th Oct 2025451 PMAQI
18th Oct 2025452 PMAQI
18th Oct 2025473 PMAQI
18th Oct 2025524 PMAQI
18th Oct 2025475 PMAQI
18th Oct 2025526 PMAQI
18th Oct 2025577 PMAQI
18th Oct 2025538 PMAQI
18th Oct 2025469 PMAQI
18th Oct 20254810 PMAQI
18th Oct 20254011 PMAQI
19th Oct 20254412 AMAQI
19th Oct 2025451 AMAQI
19th Oct 2025462 AMAQI
19th Oct 2025493 AMAQI
19th Oct 2025414 AMAQI
19th Oct 2025465 AMAQI
19th Oct 2025426 AMAQI

9°C4/15°C

19th Oct 2025397 AMAQI
7 AM
19th Oct 2025578 AMAQI
19th Oct 2025609 AMAQI
19th Oct 20255910 AMAQI
19th Oct 20255711 AMAQI
19th Oct 20255912 PMAQI
12 PM
19th Oct 2025561 PMAQI
19th Oct 2025292 PMAQI
19th Oct 2025333 PMAQI
19th Oct 2025304 PMAQI
19th Oct 2025225 PMAQI
19th Oct 2025226 PMAQI
6 PM
19th Oct 2025217 PMAQI
19th Oct 2025228 PMAQI
19th Oct 2025229 PMAQI
19th Oct 20252210 PMAQI
19th Oct 20252411 PMAQI
12 AM
6 AM

8°C6/11°C

Day time
Avg. Highest Time
11 AM - 1 PM

66AQI

3 hours / Day
90 hours / Month
Avg. Lowest Time
5 PM - 6 PM

54AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 11 AM to 1 PM (Avg. 66), while the lowest AQI was between 5 PM to 6 PM (Avg. 54).
Night time
Avg. Highest Time
6 AM

61AQI

1 hours / Day
30 hours / Month
Avg. Lowest Time
10 PM - 11 PM

47AQI

2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 61), while the lowest AQI was between 10 PM to 11 PM (Avg. 47).

2025 Days Vs Air Quality

Chelan, Washington, United States

2025

87%

255

12%

34

1%

3

Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)

Good
255 Days
Moderate
34 Days
Poor
3 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 87%

Health Risk Level:

Low

In 2025, 87% of 293 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

Chelan, Washington, 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
33AQI
2nd January 2025
31AQI
3rd January 2025
26AQI
4th January 2025
23AQI
5th January 2025
22AQI
6th January 2025
23AQI
7th January 2025
25AQI
8th January 2025
23AQI
9th January 2025
24AQI
10th January 2025
26AQI
11th January 2025
23AQI
12th January 2025
26AQI
13th January 2025
27AQI
14th January 2025
32AQI
15th January 2025
35AQI
16th January 2025
30AQI
17th January 2025
28AQI
18th January 2025
30AQI
19th January 2025
28AQI
20th January 2025
30AQI
21st January 2025
30AQI
22nd January 2025
37AQI
23rd January 2025
39AQI
24th January 2025
37AQI
25th January 2025
25AQI
26th January 2025
31AQI
27th January 2025
31AQI
28th January 2025
37AQI
29th January 2025
41AQI
30th January 2025
47AQI
31st January 2025
52AQI
1st February 2025
26AQI
2nd February 2025
20AQI
3rd February 2025
22AQI
4th February 2025
21AQI
5th February 2025
21AQI
6th February 2025
31AQI
7th February 2025
26AQI
8th February 2025
28AQI
9th February 2025
29AQI
10th February 2025
24AQI
11th February 2025
23AQI
12th February 2025
29AQI
13th February 2025
27AQI
14th February 2025
24AQI
15th February 2025
25AQI
16th February 2025
28AQI
17th February 2025
27AQI
18th February 2025
26AQI
19th February 2025
28AQI
20th February 2025
24AQI
21st February 2025
23AQI
22nd February 2025
36AQI
23rd February 2025
27AQI
24th February 2025
19AQI
25th February 2025
19AQI
26th February 2025
20AQI
27th February 2025
21AQI
28th February 2025
25AQI
1st March 2025
24AQI
2nd March 2025
24AQI
3rd March 2025
20AQI
4th March 2025
19AQI
5th March 2025
18AQI
6th March 2025
17AQI
7th March 2025
18AQI
8th March 2025
22AQI
9th March 2025
21AQI
10th March 2025
16AQI
11th March 2025
18AQI
12th March 2025
19AQI
13th March 2025
18AQI
14th March 2025
16AQI
15th March 2025
16AQI
16th March 2025
15AQI
17th March 2025
16AQI
18th March 2025
14AQI
19th March 2025
18AQI
20th March 2025
16AQI
21st March 2025
14AQI
22nd March 2025
15AQI
23rd March 2025
15AQI
24th March 2025
15AQI
25th March 2025
21AQI
26th March 2025
19AQI
27th March 2025
17AQI
28th March 2025
16AQI
29th March 2025
14AQI
30th March 2025
16AQI
31st March 2025
16AQI
1st April 2025
16AQI
2nd April 2025
16AQI
3rd April 2025
16AQI
4th April 2025
17AQI
5th April 2025
18AQI
6th April 2025
22AQI
7th April 2025
20AQI
8th April 2025
12AQI
9th April 2025
13AQI
10th April 2025
15AQI
11th April 2025
14AQI
12th April 2025
16AQI
13th April 2025
17AQI
14th April 2025
20AQI
15th April 2025
33AQI
16th April 2025
21AQI
17th April 2025
18AQI
18th April 2025
19AQI
19th April 2025
20AQI
20th April 2025
15AQI
21st April 2025
13AQI
22nd April 2025
12AQI
23rd April 2025
25AQI
24th April 2025
37AQI
25th April 2025
29AQI
26th April 2025
27AQI
27th April 2025
26AQI
28th April 2025
18AQI
29th April 2025
14AQI
30th April 2025
13AQI
1st May 2025
17AQI
2nd May 2025
19AQI
3rd May 2025
17AQI
4th May 2025
13AQI
5th May 2025
13AQI
6th May 2025
16AQI
7th May 2025
17AQI
8th May 2025
14AQI
9th May 2025
16AQI
10th May 2025
19AQI
11th May 2025
14AQI
12th May 2025
13AQI
13th May 2025
13AQI
14th May 2025
14AQI
15th May 2025
14AQI
16th May 2025
12AQI
17th May 2025
12AQI
18th May 2025
12AQI
19th May 2025
14AQI
20th May 2025
10AQI
21st May 2025
11AQI
22nd May 2025
14AQI
23rd May 2025
14AQI
24th May 2025
17AQI
25th May 2025
19AQI
26th May 2025
15AQI
27th May 2025
14AQI
28th May 2025
15AQI
29th May 2025
15AQI
30th May 2025
13AQI
31st May 2025
18AQI
1st June 2025
11AQI
2nd June 2025
13AQI
3rd June 2025
15AQI
4th June 2025
15AQI
5th June 2025
17AQI
6th June 2025
17AQI
7th June 2025
17AQI
8th June 2025
19AQI
9th June 2025
25AQI
10th June 2025
22AQI
11th June 2025
24AQI
12th June 2025
27AQI
13th June 2025
19AQI
14th June 2025
17AQI
15th June 2025
18AQI
16th June 2025
24AQI
17th June 2025
30AQI
18th June 2025
16AQI
19th June 2025
18AQI
20th June 2025
16AQI
21st June 2025
11AQI
22nd June 2025
13AQI
23rd June 2025
40AQI
24th June 2025
53AQI
25th June 2025
47AQI
26th June 2025
18AQI
27th June 2025
13AQI
28th June 2025
12AQI
29th June 2025
15AQI
30th June 2025
17AQI
1st July 2025
23AQI
2nd July 2025
21AQI
3rd July 2025
18AQI
4th July 2025
17AQI
5th July 2025
19AQI
6th July 2025
19AQI
7th July 2025
21AQI
8th July 2025
22AQI
9th July 2025
18AQI
10th July 2025
14AQI
11th July 2025
17AQI
12th July 2025
18AQI
13th July 2025
17AQI
14th July 2025
18AQI
15th July 2025
24AQI
16th July 2025
24AQI
17th July 2025
27AQI
18th July 2025
27AQI
19th July 2025
23AQI
20th July 2025
20AQI
21st July 2025
22AQI
22nd July 2025
25AQI
23rd July 2025
26AQI
24th July 2025
29AQI
25th July 2025
17AQI
26th July 2025
16AQI
27th July 2025
18AQI
28th July 2025
18AQI
29th July 2025
18AQI
30th July 2025
23AQI
31st July 2025
23AQI
1st August 2025
30AQI
2nd August 2025
28AQI
3rd August 2025
30AQI
4th August 2025
26AQI
5th August 2025
28AQI
6th August 2025
24AQI
7th August 2025
17AQI
8th August 2025
18AQI
9th August 2025
18AQI
10th August 2025
25AQI
11th August 2025
22AQI
12th August 2025
22AQI
13th August 2025
29AQI
14th August 2025
34AQI
15th August 2025
33AQI
16th August 2025
14AQI
17th August 2025
14AQI
18th August 2025
17AQI
19th August 2025
19AQI
20th August 2025
17AQI
21st August 2025
18AQI
22nd August 2025
23AQI
23rd August 2025
27AQI
24th August 2025
37AQI
25th August 2025
40AQI
26th August 2025
48AQI
27th August 2025
52AQI
28th August 2025
53AQI
29th August 2025
53AQI
30th August 2025
52AQI
31st August 2025
47AQI
1st September 2025
58AQI
2nd September 2025
65AQI
3rd September 2025
70AQI
4th September 2025
78AQI
5th September 2025
110AQI
6th September 2025
123AQI
7th September 2025
96AQI
8th September 2025
56AQI
9th September 2025
57AQI
10th September 2025
56AQI
11th September 2025
61AQI
12th September 2025
64AQI
13th September 2025
65AQI
14th September 2025
53AQI
15th September 2025
25AQI
16th September 2025
36AQI
17th September 2025
40AQI
18th September 2025
49AQI
19th September 2025
58AQI
20th September 2025
62AQI
21st September 2025
45AQI
22nd September 2025
32AQI
23rd September 2025
56AQI
24th September 2025
59AQI
25th September 2025
126AQI
26th September 2025
55AQI
27th September 2025
74AQI
28th September 2025
91AQI
29th September 2025
86AQI
30th September 2025
49AQI
1st October 2025
35AQI
2nd October 2025
44AQI
3rd October 2025
48AQI
4th October 2025
40AQI
5th October 2025
46AQI
6th October 2025
64AQI
7th October 2025
63AQI
8th October 2025
51AQI
9th October 2025
55AQI
10th October 2025
79AQI
11th October 2025
53AQI
12th October 2025
61AQI
13th October 2025
31AQI
14th October 2025
47AQI
15th October 2025
50AQI
16th October 2025
55AQI
17th October 2025
45AQI
18th October 2025
50AQI
19th October 2025
46AQI
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
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

31AQI

25AQI

18AQI

19AQI

15AQI

21AQI

21AQI

30AQI

65AQI

51AQI


No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202528AQI

30
1
28
31
30
31
29
1
31
27
4
7
20
3
11
8
255
34
3

Highest AQI recorded in

September

65AQI


Lowest AQI recorded in

May

15AQI


202422AQI

31
29
31
30
31
28
1
11
17
3
25
6
27
3
31
28
2
31
333
29
3

Highest AQI recorded in

July

61AQI


Lowest AQI recorded in

May

8AQI


202323AQI

31
28
31
30
29
2
30
31
16
10
3
1
1
26
4
31
27
2
31
341
18
3
1
1

Highest AQI recorded in

August

60AQI


Lowest AQI recorded in

April

11AQI


202223AQI

30
22
31
29
26
1
30
24
2
16
12
1
14
17
27
3
31
282
32
1
1

Highest AQI recorded in

October

48AQI


Lowest AQI recorded in

June

10AQI


202119AQI

30
28
31
27
2
1
31
30
30
1
24
2
3
2
27
3
31
30
31
350
8
4
2

Highest AQI recorded in

August

48AQI


Lowest AQI recorded in

May

9AQI


202028AQI

13
20
18
30
31
31
17
2
6
2
3
27
3
30
31
248
5
6
2
3

Highest AQI recorded in

September

102AQI


Lowest AQI recorded in

June

9AQI


Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2025(Avg.)
28AQI
Least Polluted Year Recorded
2021(Avg.)
19AQI


Chelan's annual 2025 AQI (28) shows an average percentage change of 26.8% (worsened AQI) compared to previous years: 2020 (28), 2021 (19), 2022 (23), 2023 (23), 2024 (22).