Country Background

Dayton, 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+

August Air Quality Analysis

Dayton, Washington, United States

2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
2nd Aug 2025
49AQI
Lowest AQI recorded on
4th Aug 2025
23AQI


Same Day Analysis (5th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 5th Aug - 6th Aug 2025

Dayton, Washington, United States

AQI
Day
Night
.

5 AM5th Aug 2025

8 PM

4 AM6th Aug 2025

Day time
Avg. Highest Time
8AM5th Aug

52AQI

Avg. Lowest Time
5AM5th Aug

46AQI

Night time
Avg. Highest Time
12AM6th Aug

46AQI

Avg. Lowest Time
10PM5th Aug

42AQI

In the last 24 hours,

Dayton's AQI reached its highest point of 52 at 8 AM during the Day, while the lowest point, 42, was recorded at 10 PM during the Night between 5th Aug and 6th Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Dayton, Washington, United States

JulAug
07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th - 20th20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th
Day
Night
7th Jul 2025465 AMAQI
7th Jul 2025486 AMAQI
7th Jul 2025477 AMAQI
7th Jul 2025478 AMAQI
7th Jul 2025469 AMAQI
7th Jul 20254610 AMAQI
7th Jul 20254611 AMAQI
7th Jul 20254712 PMAQI
7th Jul 2025461 PMAQI
7th Jul 2025472 PMAQI
7th Jul 2025473 PMAQI
7th Jul 2025464 PMAQI
7th Jul 2025455 PMAQI
7th Jul 2025416 PMAQI
7th Jul 2025467 PMAQI
7th Jul 2025458 PMAQI
7th Jul 2025399 PMAQI
7th Jul 20253910 PMAQI
7th Jul 20254111 PMAQI
8th Jul 20254012 AMAQI
8th Jul 2025381 AMAQI
8th Jul 2025402 AMAQI
8th Jul 2025383 AMAQI
8th Jul 2025374 AMAQI

25°C17/32°C

8th Jul 2025375 AMAQI
8th Jul 2025396 AMAQI
8th Jul 2025477 AMAQI
8th Jul 2025438 AMAQI
8th Jul 2025459 AMAQI
8th Jul 20254610 AMAQI
8th Jul 20254611 AMAQI
8th Jul 20254812 PMAQI
8th Jul 2025501 PMAQI
8th Jul 2025502 PMAQI
8th Jul 2025503 PMAQI
8th Jul 2025504 PMAQI
8th Jul 2025505 PMAQI
8th Jul 2025496 PMAQI
8th Jul 2025447 PMAQI
8th Jul 2025468 PMAQI
8th Jul 2025489 PMAQI
8th Jul 20254710 PMAQI
8th Jul 20254611 PMAQI
9th Jul 20254612 AMAQI
9th Jul 2025471 AMAQI
9th Jul 2025462 AMAQI
9th Jul 2025453 AMAQI
9th Jul 2025464 AMAQI

27°C20/35°C

9th Jul 2025465 AMAQI
9th Jul 2025476 AMAQI
9th Jul 2025467 AMAQI
9th Jul 2025478 AMAQI
9th Jul 2025499 AMAQI
9th Jul 20255010 AMAQI
9th Jul 20255011 AMAQI
9th Jul 20254912 PMAQI
9th Jul 2025501 PMAQI
9th Jul 2025482 PMAQI
9th Jul 2025483 PMAQI
9th Jul 2025464 PMAQI
9th Jul 2025445 PMAQI
9th Jul 2025446 PMAQI
9th Jul 2025467 PMAQI
9th Jul 2025458 PMAQI
9th Jul 2025459 PMAQI
9th Jul 20254410 PMAQI
9th Jul 20254311 PMAQI
10th Jul 20254312 AMAQI
10th Jul 2025421 AMAQI
10th Jul 2025422 AMAQI
10th Jul 2025423 AMAQI
10th Jul 2025424 AMAQI

23°C17/30°C

10th Jul 2025415 AMAQI
10th Jul 2025416 AMAQI
10th Jul 2025437 AMAQI
10th Jul 2025428 AMAQI
10th Jul 2025429 AMAQI
10th Jul 20254310 AMAQI
10th Jul 20254311 AMAQI
10th Jul 20254412 PMAQI
10th Jul 2025451 PMAQI
10th Jul 2025452 PMAQI
10th Jul 2025453 PMAQI
10th Jul 2025454 PMAQI
10th Jul 2025445 PMAQI
10th Jul 2025436 PMAQI
10th Jul 2025427 PMAQI
10th Jul 2025428 PMAQI
10th Jul 2025409 PMAQI
10th Jul 20254010 PMAQI
10th Jul 20254211 PMAQI
11th Jul 20254312 AMAQI
11th Jul 2025431 AMAQI
11th Jul 2025432 AMAQI
11th Jul 2025433 AMAQI
11th Jul 2025434 AMAQI

21°C15/28°C

11th Jul 2025435 AMAQI
11th Jul 2025436 AMAQI
11th Jul 2025447 AMAQI
11th Jul 2025448 AMAQI
11th Jul 2025469 AMAQI
11th Jul 20254610 AMAQI
11th Jul 20254511 AMAQI
11th Jul 20254612 PMAQI
11th Jul 2025451 PMAQI
11th Jul 2025452 PMAQI
11th Jul 2025453 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025447 PMAQI
11th Jul 2025448 PMAQI
11th Jul 2025449 PMAQI
11th Jul 20254310 PMAQI
11th Jul 20254411 PMAQI
12th Jul 20254412 AMAQI
12th Jul 2025441 AMAQI
12th Jul 2025422 AMAQI
12th Jul 2025403 AMAQI
12th Jul 2025414 AMAQI

22°C14/30°C

12th Jul 2025405 AMAQI
12th Jul 2025406 AMAQI
12th Jul 2025417 AMAQI
12th Jul 2025418 AMAQI
12th Jul 2025429 AMAQI
12th Jul 20254210 AMAQI
12th Jul 20254411 AMAQI
12th Jul 20254612 PMAQI
12th Jul 2025451 PMAQI
12th Jul 2025452 PMAQI
12th Jul 2025453 PMAQI
12th Jul 2025454 PMAQI
12th Jul 2025445 PMAQI
12th Jul 2025436 PMAQI
12th Jul 2025427 PMAQI
12th Jul 2025408 PMAQI
12th Jul 2025389 PMAQI
12th Jul 20253710 PMAQI
12th Jul 20253811 PMAQI
13th Jul 20253812 AMAQI
13th Jul 2025371 AMAQI
13th Jul 2025342 AMAQI
13th Jul 2025333 AMAQI
13th Jul 2025334 AMAQI

26°C17/33°C

13th Jul 2025325 AMAQI
13th Jul 2025326 AMAQI
13th Jul 2025327 AMAQI
13th Jul 2025328 AMAQI
13th Jul 2025339 AMAQI
13th Jul 20253210 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025361 PMAQI
13th Jul 2025362 PMAQI
13th Jul 2025363 PMAQI
13th Jul 2025364 PMAQI
13th Jul 2025365 PMAQI
13th Jul 2025366 PMAQI
13th Jul 2025367 PMAQI
13th Jul 2025358 PMAQI
13th Jul 2025379 PMAQI
13th Jul 20253710 PMAQI
13th Jul 20253711 PMAQI
14th Jul 20253812 AMAQI
14th Jul 2025401 AMAQI
14th Jul 2025392 AMAQI
14th Jul 2025373 AMAQI
14th Jul 2025394 AMAQI

28°C21/35°C

14th Jul 2025395 AMAQI
14th Jul 2025396 AMAQI
14th Jul 2025427 AMAQI
14th Jul 2025438 AMAQI
14th Jul 2025459 AMAQI
14th Jul 20254710 AMAQI
14th Jul 20254711 AMAQI
14th Jul 20254712 PMAQI
14th Jul 2025481 PMAQI
14th Jul 2025462 PMAQI
14th Jul 2025463 PMAQI
14th Jul 2025444 PMAQI
14th Jul 2025445 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025447 PMAQI
14th Jul 2025438 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254310 PMAQI
14th Jul 20254511 PMAQI
15th Jul 20254612 AMAQI
15th Jul 2025471 AMAQI
15th Jul 2025472 AMAQI
15th Jul 2025493 AMAQI
15th Jul 2025494 AMAQI

26°C19/33°C

15th Jul 2025495 AMAQI
15th Jul 2025496 AMAQI
15th Jul 2025507 AMAQI
15th Jul 2025498 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20254910 AMAQI
15th Jul 20255111 AMAQI
15th Jul 20254912 PMAQI
15th Jul 2025491 PMAQI
15th Jul 2025472 PMAQI
15th Jul 2025473 PMAQI
15th Jul 2025484 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025476 PMAQI
15th Jul 2025477 PMAQI
15th Jul 2025468 PMAQI
15th Jul 2025449 PMAQI
15th Jul 20254510 PMAQI
15th Jul 20254511 PMAQI
16th Jul 20254512 AMAQI
16th Jul 2025431 AMAQI
16th Jul 2025422 AMAQI
16th Jul 2025413 AMAQI
16th Jul 2025404 AMAQI

21°C13/27°C

16th Jul 2025405 AMAQI
16th Jul 2025376 AMAQI
16th Jul 2025367 AMAQI
16th Jul 2025388 AMAQI
16th Jul 2025409 AMAQI
16th Jul 20254010 AMAQI
16th Jul 20254011 AMAQI
16th Jul 20254112 PMAQI
16th Jul 2025421 PMAQI
16th Jul 2025412 PMAQI
16th Jul 2025423 PMAQI
16th Jul 2025414 PMAQI
16th Jul 2025405 PMAQI
16th Jul 2025396 PMAQI
16th Jul 2025417 PMAQI
16th Jul 2025418 PMAQI
16th Jul 2025409 PMAQI
16th Jul 20254010 PMAQI
16th Jul 20254111 PMAQI
17th Jul 20254212 AMAQI
17th Jul 2025391 AMAQI
17th Jul 2025372 AMAQI
17th Jul 2025353 AMAQI
17th Jul 2025354 AMAQI

21°C14/29°C

17th Jul 2025365 AMAQI
17th Jul 2025406 AMAQI
17th Jul 2025417 AMAQI
17th Jul 2025428 AMAQI
17th Jul 2025429 AMAQI
17th Jul 20254110 AMAQI
17th Jul 20254111 AMAQI
17th Jul 20253812 PMAQI
17th Jul 2025371 PMAQI
17th Jul 2025372 PMAQI
17th Jul 2025383 PMAQI
17th Jul 2025374 PMAQI
17th Jul 2025375 PMAQI
17th Jul 2025376 PMAQI
17th Jul 2025377 PMAQI
17th Jul 2025378 PMAQI
17th Jul 2025369 PMAQI
17th Jul 20253610 PMAQI
17th Jul 20253611 PMAQI
18th Jul 20253612 AMAQI
18th Jul 2025331 AMAQI
18th Jul 2025312 AMAQI
18th Jul 2025303 AMAQI
18th Jul 2025294 AMAQI

24°C17/32°C

18th Jul 2025295 AMAQI
18th Jul 2025306 AMAQI
18th Jul 2025317 AMAQI
18th Jul 2025318 AMAQI
18th Jul 2025319 AMAQI
18th Jul 20253110 AMAQI
18th Jul 20253211 AMAQI
18th Jul 20253312 PMAQI
18th Jul 2025351 PMAQI
18th Jul 2025362 PMAQI
18th Jul 2025353 PMAQI
18th Jul 2025364 PMAQI
18th Jul 2025365 PMAQI
18th Jul 2025336 PMAQI
18th Jul 2025337 PMAQI
18th Jul 2025328 PMAQI
18th Jul 2025319 PMAQI
18th Jul 20253210 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253112 AMAQI
19th Jul 2025311 AMAQI
19th Jul 2025312 AMAQI
19th Jul 2025383 AMAQI
19th Jul 2025324 AMAQI

24°C17/32°C

19th Jul 2025335 AMAQI
19th Jul 2025326 AMAQI
19th Jul 2025337 AMAQI
19th Jul 2025338 AMAQI
19th Jul 2025359 AMAQI
19th Jul 20253610 AMAQI
19th Jul 20253811 AMAQI
19th Jul 20253812 PMAQI
19th Jul 2025381 PMAQI
19th Jul 2025392 PMAQI
19th Jul 2025403 PMAQI
19th Jul 2025404 PMAQI
19th Jul 2025405 PMAQI
19th Jul 2025406 PMAQI
19th Jul 2025367 PMAQI
19th Jul 2025368 PMAQI
19th Jul 2025379 PMAQI
19th Jul 20253710 PMAQI
19th Jul 20253511 PMAQI
20th Jul 20253412 AMAQI
20th Jul 2025351 AMAQI
20th Jul 2025352 AMAQI
20th Jul 2025323 AMAQI
20th Jul 2025344 AMAQI

20°C14/27°C

20th Jul 2025365 AMAQI
20th Jul 2025396 AMAQI
20th Jul 2025427 AMAQI
20th Jul 2025418 AMAQI
20th Jul 2025439 AMAQI
20th Jul 20254510 AMAQI
20th Jul 20254611 AMAQI
20th Jul 20254512 PMAQI
20th Jul 2025421 PMAQI
20th Jul 2025402 PMAQI
20th Jul 2025383 PMAQI
20th Jul 2025364 PMAQI
20th Jul 2025365 PMAQI
20th Jul 2025356 PMAQI
20th Jul 2025377 PMAQI
20th Jul 2025368 PMAQI
20th Jul 2025339 PMAQI
20th Jul 20253310 PMAQI
20th Jul 20253411 PMAQI
21st Jul 20253312 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025312 AMAQI
21st Jul 2025303 AMAQI
21st Jul 2025284 AMAQI

19°C13/26°C

21st Jul 2025295 AMAQI
21st Jul 2025306 AMAQI
21st Jul 2025307 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025339 AMAQI
21st Jul 20253710 AMAQI
21st Jul 20254611 AMAQI
21st Jul 20254912 PMAQI
21st Jul 2025501 PMAQI
21st Jul 2025502 PMAQI
21st Jul 2025523 PMAQI
21st Jul 2025514 PMAQI
21st Jul 2025535 PMAQI
21st Jul 2025536 PMAQI
21st Jul 2025417 PMAQI
21st Jul 2025398 PMAQI
21st Jul 2025499 PMAQI
21st Jul 20254810 PMAQI
21st Jul 20254911 PMAQI
22nd Jul 20254812 AMAQI
22nd Jul 2025621 AMAQI
22nd Jul 2025582 AMAQI
22nd Jul 2025543 AMAQI
22nd Jul 2025524 AMAQI

19°C15/25°C

22nd Jul 2025525 AMAQI
22nd Jul 2025546 AMAQI
22nd Jul 2025567 AMAQI
22nd Jul 2025558 AMAQI
22nd Jul 2025539 AMAQI
22nd Jul 20255410 AMAQI
22nd Jul 20255411 AMAQI
22nd Jul 20255512 PMAQI
22nd Jul 2025561 PMAQI
22nd Jul 2025552 PMAQI
22nd Jul 2025533 PMAQI
22nd Jul 2025524 PMAQI
22nd Jul 2025515 PMAQI
22nd Jul 2025496 PMAQI
22nd Jul 2025497 PMAQI
22nd Jul 2025498 PMAQI
22nd Jul 2025469 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254512 AMAQI
23rd Jul 2025441 AMAQI
23rd Jul 2025452 AMAQI
23rd Jul 2025443 AMAQI
23rd Jul 2025424 AMAQI

20°C14/27°C

23rd Jul 2025435 AMAQI
23rd Jul 2025436 AMAQI
23rd Jul 2025447 AMAQI
23rd Jul 2025458 AMAQI
23rd Jul 2025469 AMAQI
23rd Jul 20254610 AMAQI
23rd Jul 20254811 AMAQI
23rd Jul 20254812 PMAQI
23rd Jul 2025491 PMAQI
23rd Jul 2025512 PMAQI
23rd Jul 2025503 PMAQI
23rd Jul 2025494 PMAQI
23rd Jul 2025485 PMAQI
23rd Jul 2025486 PMAQI
23rd Jul 2025477 PMAQI
23rd Jul 2025468 PMAQI
23rd Jul 2025479 PMAQI
23rd Jul 20254710 PMAQI
23rd Jul 20254611 PMAQI
24th Jul 20254512 AMAQI
24th Jul 2025441 AMAQI
24th Jul 2025432 AMAQI
24th Jul 2025443 AMAQI
24th Jul 2025434 AMAQI

24°C17/31°C

24th Jul 2025445 AMAQI
24th Jul 2025446 AMAQI
24th Jul 2025467 AMAQI
24th Jul 2025488 AMAQI
24th Jul 2025489 AMAQI
24th Jul 20254810 AMAQI
24th Jul 20254811 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025462 PMAQI
24th Jul 2025463 PMAQI
24th Jul 2025454 PMAQI
24th Jul 2025455 PMAQI
24th Jul 2025456 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025458 PMAQI
24th Jul 2025449 PMAQI
24th Jul 20254510 PMAQI
24th Jul 20254511 PMAQI
25th Jul 20254512 AMAQI
25th Jul 2025441 AMAQI
25th Jul 2025432 AMAQI
25th Jul 2025423 AMAQI
25th Jul 2025414 AMAQI

25°C18/32°C

25th Jul 2025405 AMAQI
25th Jul 2025406 AMAQI
25th Jul 2025417 AMAQI
25th Jul 2025418 AMAQI
25th Jul 2025429 AMAQI
25th Jul 20254210 AMAQI
25th Jul 20254311 AMAQI
25th Jul 20254312 PMAQI
25th Jul 2025431 PMAQI
25th Jul 2025432 PMAQI
25th Jul 2025443 PMAQI
25th Jul 2025444 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025436 PMAQI
25th Jul 2025437 PMAQI
25th Jul 2025428 PMAQI
25th Jul 2025419 PMAQI
25th Jul 20253610 PMAQI
25th Jul 20253511 PMAQI
26th Jul 20253512 AMAQI
26th Jul 2025341 AMAQI
26th Jul 2025332 AMAQI
26th Jul 2025323 AMAQI
26th Jul 2025344 AMAQI

23°C16/30°C

26th Jul 2025365 AMAQI
26th Jul 2025386 AMAQI
26th Jul 2025377 AMAQI
26th Jul 2025388 AMAQI
26th Jul 2025409 AMAQI
26th Jul 20254010 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025381 PMAQI
26th Jul 2025372 PMAQI
26th Jul 2025373 PMAQI
26th Jul 2025374 PMAQI
26th Jul 2025365 PMAQI
26th Jul 2025376 PMAQI
26th Jul 2025377 PMAQI
26th Jul 2025378 PMAQI
26th Jul 2025349 PMAQI
26th Jul 20253410 PMAQI
26th Jul 20253411 PMAQI
27th Jul 20253212 AMAQI
27th Jul 2025271 AMAQI
27th Jul 2025272 AMAQI
27th Jul 2025253 AMAQI
27th Jul 2025284 AMAQI

21°C13/29°C

27th Jul 2025285 AMAQI
27th Jul 2025286 AMAQI
27th Jul 2025287 AMAQI
27th Jul 2025288 AMAQI
27th Jul 2025299 AMAQI
27th Jul 20252910 AMAQI
27th Jul 20252911 AMAQI
27th Jul 20253012 PMAQI
27th Jul 2025301 PMAQI
27th Jul 2025312 PMAQI
27th Jul 2025303 PMAQI
27th Jul 2025284 PMAQI
27th Jul 2025285 PMAQI
27th Jul 2025276 PMAQI
27th Jul 2025287 PMAQI
27th Jul 2025288 PMAQI
27th Jul 2025289 PMAQI
27th Jul 20252810 PMAQI
27th Jul 20252811 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025281 AMAQI
28th Jul 2025292 AMAQI
28th Jul 2025293 AMAQI
28th Jul 2025294 AMAQI

22°C16/30°C

28th Jul 2025285 AMAQI
28th Jul 2025296 AMAQI
28th Jul 2025317 AMAQI
28th Jul 2025308 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20253311 AMAQI
28th Jul 20253412 PMAQI
28th Jul 2025341 PMAQI
28th Jul 2025332 PMAQI
28th Jul 2025333 PMAQI
28th Jul 2025344 PMAQI
28th Jul 2025355 PMAQI
28th Jul 2025346 PMAQI
28th Jul 2025327 PMAQI
28th Jul 2025328 PMAQI
28th Jul 2025349 PMAQI
28th Jul 20253510 PMAQI
28th Jul 20253611 PMAQI
29th Jul 20253512 AMAQI
29th Jul 2025361 AMAQI
29th Jul 2025362 AMAQI
29th Jul 2025363 AMAQI
29th Jul 2025364 AMAQI

25°C16/33°C

29th Jul 2025355 AMAQI
29th Jul 2025366 AMAQI
29th Jul 2025357 AMAQI
29th Jul 2025368 AMAQI
29th Jul 2025369 AMAQI
29th Jul 20253610 AMAQI
29th Jul 20253811 AMAQI
29th Jul 20253812 PMAQI
29th Jul 2025391 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025413 PMAQI
29th Jul 2025404 PMAQI
29th Jul 2025405 PMAQI
29th Jul 2025396 PMAQI
29th Jul 2025387 PMAQI
29th Jul 2025408 PMAQI
29th Jul 2025409 PMAQI
29th Jul 20254010 PMAQI
29th Jul 20253911 PMAQI
30th Jul 20254012 AMAQI
30th Jul 2025401 AMAQI
30th Jul 2025402 AMAQI
30th Jul 2025413 AMAQI
30th Jul 2025414 AMAQI

27°C18/35°C

30th Jul 2025425 AMAQI
30th Jul 2025436 AMAQI
30th Jul 2025427 AMAQI
30th Jul 2025448 AMAQI
30th Jul 2025459 AMAQI
30th Jul 20254510 AMAQI
30th Jul 20254611 AMAQI
30th Jul 20254712 PMAQI
30th Jul 2025471 PMAQI
30th Jul 2025482 PMAQI
30th Jul 2025483 PMAQI
30th Jul 2025484 PMAQI
30th Jul 2025485 PMAQI
30th Jul 2025486 PMAQI
30th Jul 2025487 PMAQI
30th Jul 2025488 PMAQI
30th Jul 2025479 PMAQI
30th Jul 20254710 PMAQI
30th Jul 20254711 PMAQI
31st Jul 20254712 AMAQI
31st Jul 2025461 AMAQI
31st Jul 2025452 AMAQI
31st Jul 2025453 AMAQI
31st Jul 2025454 AMAQI

28°C19/36°C

31st Jul 2025455 AMAQI
31st Jul 2025436 AMAQI
31st Jul 2025437 AMAQI
31st Jul 2025448 AMAQI
31st Jul 2025469 AMAQI
31st Jul 20254510 AMAQI
31st Jul 20254511 AMAQI
31st Jul 20254512 PMAQI
31st Jul 2025461 PMAQI
31st Jul 2025432 PMAQI
31st Jul 2025433 PMAQI
31st Jul 2025444 PMAQI
31st Jul 2025425 PMAQI
31st Jul 2025416 PMAQI
31st Jul 2025477 PMAQI
31st Jul 2025498 PMAQI
31st Jul 2025519 PMAQI
31st Jul 20255310 PMAQI
31st Jul 20255211 PMAQI
1st Aug 20255712 AMAQI
1st Aug 2025591 AMAQI
1st Aug 2025612 AMAQI
1st Aug 2025603 AMAQI
1st Aug 2025604 AMAQI

26°C19/33°C

1st Aug 2025605 AMAQI
1st Aug 2025606 AMAQI
1st Aug 2025607 AMAQI
1st Aug 2025628 AMAQI
1st Aug 2025609 AMAQI
1st Aug 20256310 AMAQI
1st Aug 20256311 AMAQI
1st Aug 20256112 PMAQI
1st Aug 2025621 PMAQI
1st Aug 2025632 PMAQI
1st Aug 2025653 PMAQI
1st Aug 2025654 PMAQI
1st Aug 2025665 PMAQI
1st Aug 2025646 PMAQI
1st Aug 2025607 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025619 PMAQI
1st Aug 20256110 PMAQI
1st Aug 20256111 PMAQI
2nd Aug 20255912 AMAQI
2nd Aug 2025581 AMAQI
2nd Aug 2025592 AMAQI
2nd Aug 2025573 AMAQI
2nd Aug 2025544 AMAQI

22°C20/26°C

2nd Aug 2025525 AMAQI
2nd Aug 2025516 AMAQI
2nd Aug 2025507 AMAQI
2nd Aug 2025488 AMAQI
2nd Aug 2025489 AMAQI
2nd Aug 20254510 AMAQI
2nd Aug 20254411 AMAQI
2nd Aug 20254312 PMAQI
2nd Aug 2025431 PMAQI
2nd Aug 2025442 PMAQI
2nd Aug 2025433 PMAQI
2nd Aug 2025414 PMAQI
2nd Aug 2025385 PMAQI
2nd Aug 2025386 PMAQI
2nd Aug 2025487 PMAQI
2nd Aug 2025468 PMAQI
2nd Aug 2025399 PMAQI
2nd Aug 20253910 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20254212 AMAQI
3rd Aug 2025421 AMAQI
3rd Aug 2025412 AMAQI
3rd Aug 2025423 AMAQI
3rd Aug 2025424 AMAQI

24°C18/31°C

3rd Aug 2025445 AMAQI
3rd Aug 2025436 AMAQI
3rd Aug 2025457 AMAQI
3rd Aug 2025448 AMAQI
3rd Aug 2025449 AMAQI
3rd Aug 20254410 AMAQI
3rd Aug 20254211 AMAQI
3rd Aug 20254112 PMAQI
3rd Aug 2025401 PMAQI
3rd Aug 2025402 PMAQI
3rd Aug 2025403 PMAQI
3rd Aug 2025394 PMAQI
3rd Aug 2025395 PMAQI
3rd Aug 2025396 PMAQI
3rd Aug 2025417 PMAQI
3rd Aug 2025418 PMAQI
3rd Aug 2025399 PMAQI
3rd Aug 20253910 PMAQI
3rd Aug 20253811 PMAQI
4th Aug 20253812 AMAQI
4th Aug 2025381 AMAQI
4th Aug 2025412 AMAQI
4th Aug 2025423 AMAQI
4th Aug 2025424 AMAQI

22°C15/31°C

4th Aug 2025415 AMAQI
4th Aug 2025416 AMAQI
4th Aug 2025427 AMAQI
4th Aug 2025428 AMAQI
4th Aug 2025439 AMAQI
4th Aug 20254610 AMAQI
4th Aug 20254511 AMAQI
4th Aug 20254312 PMAQI
4th Aug 2025391 PMAQI
4th Aug 2025382 PMAQI
4th Aug 2025363 PMAQI
4th Aug 2025354 PMAQI
4th Aug 2025355 PMAQI
4th Aug 2025366 PMAQI
4th Aug 2025427 PMAQI
4th Aug 2025418 PMAQI
4th Aug 2025429 PMAQI
4th Aug 20254610 PMAQI
4th Aug 20254311 PMAQI
5th Aug 20254512 AMAQI
5th Aug 2025451 AMAQI
5th Aug 2025462 AMAQI
5th Aug 2025463 AMAQI
5th Aug 2025474 AMAQI

19°C13/26°C

5th Aug 2025465 AMAQI
5th Aug 2025496 AMAQI
5th Aug 2025497 AMAQI
5th Aug 2025528 AMAQI
5th Aug 2025519 AMAQI
5th Aug 20255210 AMAQI
5th Aug 20255011 AMAQI
5th Aug 20255112 PMAQI
5th Aug 2025501 PMAQI
5th Aug 2025502 PMAQI
5th Aug 2025503 PMAQI
5th Aug 2025494 PMAQI
5th Aug 2025485 PMAQI
5th Aug 2025476 PMAQI
5th Aug 2025487 PMAQI
5th Aug 2025478 PMAQI
5th Aug 2025449 PMAQI
5th Aug 20254210 PMAQI
5th Aug 20254411 PMAQI
6th Aug 20254612 AMAQI
6th Aug 2025441 AMAQI
6th Aug 2025432 AMAQI
6th Aug 2025443 AMAQI
6th Aug 2025434 AMAQI

20°C12/29°C

6th Aug 2025455 AMAQI
5 AM
12 PM
8 PM
12 AM
4 AM

--°C/°C

Day time
Avg. Highest Time
5 AM - 8 PM

43AQI

16 hours / Day
480 hours / Month
Avg. Lowest Time
5 AM - 8 PM

43AQI

16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 5 AM to 8 PM (Avg. 43), while the lowest AQI was between 5 AM to 8 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM

41AQI

8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM

41AQI

8 hours / Day
240 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 41), while the lowest AQI was between 12 AM to 11 PM (Avg. 41).

2025 Days Vs Air Quality

Dayton, Washington, United States

2025

100%

133

Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)

Good
133 Days
Moderate
0 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days



Under WHO’s Safe Air Quality Limits: 100%

Health Risk Level:

Very Low

In 2025, 100% of 218 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.

Annual Air Quality Insights

Dayton, 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.

1st March 2025
19AQI
2nd March 2025
17AQI
3rd March 2025
17AQI
4th March 2025
14AQI
5th March 2025
15AQI
6th March 2025
16AQI
1st April 2025
16AQI
2nd April 2025
19AQI
3rd April 2025
16AQI
4th April 2025
17AQI
5th April 2025
18AQI
6th April 2025
17AQI
7th April 2025
18AQI
8th April 2025
13AQI
9th April 2025
12AQI
10th April 2025
15AQI
11th April 2025
15AQI
12th April 2025
16AQI
13th April 2025
19AQI
14th April 2025
19AQI
15th April 2025
22AQI
16th April 2025
21AQI
17th April 2025
16AQI
18th April 2025
17AQI
19th April 2025
18AQI
20th April 2025
18AQI
21st April 2025
13AQI
22nd April 2025
13AQI
23rd April 2025
15AQI
24th April 2025
23AQI
25th April 2025
21AQI
26th April 2025
24AQI
27th April 2025
26AQI
28th April 2025
17AQI
29th April 2025
14AQI
30th April 2025
16AQI
1st May 2025
16AQI
2nd May 2025
19AQI
3rd May 2025
15AQI
4th May 2025
13AQI
5th May 2025
13AQI
6th May 2025
15AQI
7th May 2025
15AQI
8th May 2025
15AQI
9th May 2025
16AQI
10th May 2025
17AQI
11th May 2025
16AQI
12th May 2025
14AQI
13th May 2025
13AQI
14th May 2025
15AQI
15th May 2025
16AQI
16th May 2025
12AQI
17th May 2025
13AQI
18th May 2025
12AQI
19th May 2025
13AQI
20th May 2025
12AQI
21st May 2025
12AQI
22nd May 2025
16AQI
23rd May 2025
16AQI
24th May 2025
16AQI
25th May 2025
18AQI
26th May 2025
17AQI
27th May 2025
14AQI
28th May 2025
15AQI
29th May 2025
15AQI
30th May 2025
14AQI
31st May 2025
17AQI
1st June 2025
14AQI
2nd June 2025
13AQI
3rd June 2025
15AQI
4th June 2025
17AQI
5th June 2025
18AQI
6th June 2025
18AQI
7th June 2025
19AQI
8th June 2025
21AQI
9th June 2025
22AQI
10th June 2025
24AQI
11th June 2025
24AQI
12th June 2025
32AQI
13th June 2025
22AQI
14th June 2025
18AQI
15th June 2025
19AQI
16th June 2025
20AQI
17th June 2025
21AQI
18th June 2025
16AQI
19th June 2025
16AQI
20th June 2025
16AQI
21st June 2025
13AQI
22nd June 2025
13AQI
23rd June 2025
19AQI
24th June 2025
31AQI
25th June 2025
32AQI
26th June 2025
18AQI
27th June 2025
14AQI
28th June 2025
14AQI
29th June 2025
14AQI
30th June 2025
17AQI
1st July 2025
21AQI
2nd July 2025
23AQI
3rd July 2025
18AQI
4th July 2025
17AQI
5th July 2025
22AQI
6th July 2025
18AQI
7th July 2025
19AQI
8th July 2025
20AQI
9th July 2025
18AQI
10th July 2025
15AQI
11th July 2025
17AQI
12th July 2025
19AQI
13th July 2025
19AQI
14th July 2025
20AQI
15th July 2025
19AQI
16th July 2025
25AQI
17th July 2025
35AQI
18th July 2025
27AQI
19th July 2025
31AQI
20th July 2025
34AQI
21st July 2025
27AQI
22nd July 2025
27AQI
23rd July 2025
27AQI
24th July 2025
27AQI
25th July 2025
20AQI
26th July 2025
16AQI
27th July 2025
16AQI
28th July 2025
17AQI
29th July 2025
19AQI
30th July 2025
21AQI
31st July 2025
28AQI
1st August 2025
41AQI
2nd August 2025
49AQI
3rd August 2025
35AQI
4th August 2025
23AQI
5th August 2025
29AQI

16AQI

17AQI

15AQI

19AQI

22AQI

35AQI


No. of days

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

202519AQI

6
30
31
30
31
5
133

Highest AQI recorded in

August

35AQI


Lowest AQI recorded in

May

15AQI


Most & Least Polluted Years Over the Last 1 Years

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


Dayton's annual 2025 AQI (19) shows an average percentage change of NaN% (improved AQI) compared to previous years: .