Dayton, Ohio, 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, Ohio, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
1st Aug 2021
77AQILowest AQI recorded on
7th Aug 2023
16AQISame Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 44 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Dayton, Ohio, United States
AQI
Day
Night
.
6 AM4th Aug 2025
9 PM
5 AM5th Aug 2025
Day time
Avg. Highest Time
10AM4th Aug
46AQI
Avg. Lowest Time
5PM4th Aug
35AQI
Night time
Avg. Highest Time
4AM5th Aug
47AQI
Avg. Lowest Time
9PM4th Aug
42AQI
In the last 24 hours,
Dayton's AQI reached its highest point of 47 at 4 AM during the Night, while the lowest point, 35, was recorded at 5 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dayton, Ohio, United States
JulAug
06th - 07th07th - 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
Day
Night
6th Jul 2025526 AMAQI
6th Jul 2025547 AMAQI
6th Jul 2025528 AMAQI
6th Jul 2025529 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255311 AMAQI
6th Jul 20255412 PMAQI
6th Jul 2025541 PMAQI
6th Jul 2025542 PMAQI
6th Jul 2025533 PMAQI
6th Jul 2025534 PMAQI
6th Jul 2025525 PMAQI
6th Jul 2025516 PMAQI
6th Jul 2025527 PMAQI
6th Jul 2025548 PMAQI
6th Jul 2025499 PMAQI
6th Jul 20255010 PMAQI
6th Jul 20255011 PMAQI
7th Jul 20254912 AMAQI
7th Jul 2025481 AMAQI
7th Jul 2025472 AMAQI
7th Jul 2025483 AMAQI
7th Jul 2025474 AMAQI
7th Jul 2025465 AMAQI
--°C/°C
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
8th Jul 2025375 AMAQI
26°C22/31°C
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
9th Jul 2025465 AMAQI
26°C22/32°C
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
10th Jul 2025415 AMAQI
25°C20/31°C
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
11th Jul 2025435 AMAQI
26°C20/31°C
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
12th Jul 2025405 AMAQI
28°C21/36°C
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
13th Jul 2025325 AMAQI
27°C22/33°C
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
14th Jul 2025395 AMAQI
27°C20/31°C
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
15th Jul 2025495 AMAQI
27°C22/33°C
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
16th Jul 2025405 AMAQI
27°C20/33°C
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
17th Jul 2025365 AMAQI
26°C22/30°C
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
18th Jul 2025295 AMAQI
27°C20/32°C
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
19th Jul 2025335 AMAQI
24°C21/28°C
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
20th Jul 2025365 AMAQI
24°C19/31°C
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
21st Jul 2025295 AMAQI
26°C22/33°C
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
22nd Jul 2025525 AMAQI
24°C21/31°C
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
23rd Jul 2025435 AMAQI
23°C15/32°C
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
24th Jul 2025445 AMAQI
26°C17/34°C
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
25th Jul 2025405 AMAQI
28°C20/35°C
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
26th Jul 2025365 AMAQI
29°C25/35°C
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
27th Jul 2025285 AMAQI
29°C23/36°C
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
28th Jul 2025285 AMAQI
27°C23/32°C
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
29th Jul 2025355 AMAQI
28°C23/34°C
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
30th Jul 2025425 AMAQI
27°C21/32°C
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
31st Jul 2025455 AMAQI
29°C21/36°C
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
1st Aug 2025605 AMAQI
23°C21/26°C
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
2nd Aug 2025525 AMAQI
21°C14/28°C
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
3rd Aug 2025445 AMAQI
20°C14/28°C
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
4th Aug 2025415 AMAQI
21°C12/31°C
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
5th Aug 2025465 AMAQI
22°C15/28°C
5th Aug 2025496 AMAQI
6 AM5th 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
1 PM5th 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 2025508 PMAQI
9 PM
1 AM
5 AM
24°C18/30°C
Day time
Avg. Highest Time
6 AM - 9 PM
43AQI
16 hours / Day
480 hours / Month
Avg. Lowest Time
6 AM - 9 PM
43AQI
16 hours / Day
480 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 9 PM (Avg. 43), while the lowest AQI was between 6 AM to 9 PM (Avg. 43).
Night time
Avg. Highest Time
12 AM - 11 PM
42AQI
8 hours / Day
240 hours / Month
Avg. Lowest Time
12 AM - 11 PM
42AQI
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. 42), while the lowest AQI was between 12 AM to 11 PM (Avg. 42).
2025 Days Vs Air Quality
Dayton, Ohio, United States
2025
81%
175
19%
40
0.4%
1
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Good
175 DaysModerate
40 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 218 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
Dayton, Ohio, 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 January 2025
20AQI
20AQI
2nd January 2025
23AQI
23AQI
3rd January 2025
27AQI
27AQI
4th January 2025
25AQI
25AQI
5th January 2025
24AQI
24AQI
6th January 2025
24AQI
24AQI
7th January 2025
23AQI
23AQI
8th January 2025
40AQI
40AQI
9th January 2025
61AQI
61AQI
10th January 2025
56AQI
56AQI
11th January 2025
53AQI
53AQI
12th January 2025
46AQI
46AQI
13th January 2025
26AQI
26AQI
14th January 2025
28AQI
28AQI
15th January 2025
49AQI
49AQI
16th January 2025
47AQI
47AQI
17th January 2025
43AQI
43AQI
18th January 2025
25AQI
25AQI
19th January 2025
19AQI
19AQI
20th January 2025
23AQI
23AQI
21st January 2025
29AQI
29AQI
22nd January 2025
35AQI
35AQI
23rd January 2025
38AQI
38AQI
24th January 2025
47AQI
47AQI
25th January 2025
44AQI
44AQI
26th January 2025
31AQI
31AQI
27th January 2025
31AQI
31AQI
28th January 2025
27AQI
27AQI
29th January 2025
24AQI
24AQI
30th January 2025
33AQI
33AQI
31st January 2025
25AQI
25AQI
1st February 2025
23AQI
23AQI
2nd February 2025
33AQI
33AQI
3rd February 2025
38AQI
38AQI
4th February 2025
34AQI
34AQI
5th February 2025
29AQI
29AQI
6th February 2025
29AQI
29AQI
7th February 2025
25AQI
25AQI
8th February 2025
29AQI
29AQI
9th February 2025
37AQI
37AQI
10th February 2025
37AQI
37AQI
11th February 2025
43AQI
43AQI
12th February 2025
55AQI
55AQI
13th February 2025
36AQI
36AQI
14th February 2025
27AQI
27AQI
15th February 2025
23AQI
23AQI
16th February 2025
24AQI
24AQI
17th February 2025
22AQI
22AQI
18th February 2025
25AQI
25AQI
19th February 2025
24AQI
24AQI
20th February 2025
26AQI
26AQI
21st February 2025
42AQI
42AQI
22nd February 2025
54AQI
54AQI
23rd February 2025
50AQI
50AQI
24th February 2025
41AQI
41AQI
25th February 2025
37AQI
37AQI
26th February 2025
47AQI
47AQI
27th February 2025
41AQI
41AQI
28th February 2025
28AQI
28AQI
1st March 2025
26AQI
26AQI
2nd March 2025
26AQI
26AQI
3rd March 2025
30AQI
30AQI
4th March 2025
33AQI
33AQI
5th March 2025
26AQI
26AQI
6th March 2025
26AQI
26AQI
7th March 2025
27AQI
27AQI
8th March 2025
35AQI
35AQI
9th March 2025
35AQI
35AQI
10th March 2025
36AQI
36AQI
11th March 2025
46AQI
46AQI
12th March 2025
36AQI
36AQI
13th March 2025
47AQI
47AQI
14th March 2025
52AQI
52AQI
15th March 2025
29AQI
29AQI
16th March 2025
18AQI
18AQI
17th March 2025
18AQI
18AQI
18th March 2025
24AQI
24AQI
19th March 2025
35AQI
35AQI
20th March 2025
24AQI
24AQI
21st March 2025
21AQI
21AQI
22nd March 2025
21AQI
21AQI
23rd March 2025
28AQI
28AQI
24th March 2025
18AQI
18AQI
25th March 2025
21AQI
21AQI
26th March 2025
35AQI
35AQI
27th March 2025
37AQI
37AQI
28th March 2025
39AQI
39AQI
29th March 2025
59AQI
59AQI
30th March 2025
42AQI
42AQI
31st March 2025
18AQI
18AQI
1st April 2025
26AQI
26AQI
2nd April 2025
29AQI
29AQI
3rd April 2025
24AQI
24AQI
4th April 2025
24AQI
24AQI
5th April 2025
18AQI
18AQI
6th April 2025
21AQI
21AQI
7th April 2025
30AQI
30AQI
8th April 2025
16AQI
16AQI
9th April 2025
28AQI
28AQI
10th April 2025
33AQI
33AQI
11th April 2025
44AQI
44AQI
12th April 2025
45AQI
45AQI
13th April 2025
39AQI
39AQI
14th April 2025
42AQI
42AQI
15th April 2025
23AQI
23AQI
16th April 2025
24AQI
24AQI
17th April 2025
38AQI
38AQI
18th April 2025
50AQI
50AQI
19th April 2025
40AQI
40AQI
20th April 2025
37AQI
37AQI
21st April 2025
38AQI
38AQI
22nd April 2025
24AQI
24AQI
23rd April 2025
40AQI
40AQI
24th April 2025
43AQI
43AQI
25th April 2025
27AQI
27AQI
26th April 2025
27AQI
27AQI
27th April 2025
21AQI
21AQI
28th April 2025
25AQI
25AQI
29th April 2025
44AQI
44AQI
30th April 2025
22AQI
22AQI
1st May 2025
34AQI
34AQI
2nd May 2025
34AQI
34AQI
3rd May 2025
22AQI
22AQI
4th May 2025
21AQI
21AQI
5th May 2025
17AQI
17AQI
6th May 2025
21AQI
21AQI
7th May 2025
32AQI
32AQI
8th May 2025
33AQI
33AQI
9th May 2025
29AQI
29AQI
10th May 2025
41AQI
41AQI
11th May 2025
41AQI
41AQI
12th May 2025
30AQI
30AQI
13th May 2025
23AQI
23AQI
14th May 2025
34AQI
34AQI
15th May 2025
43AQI
43AQI
16th May 2025
54AQI
54AQI
17th May 2025
25AQI
25AQI
18th May 2025
18AQI
18AQI
19th May 2025
24AQI
24AQI
20th May 2025
24AQI
24AQI
21st May 2025
23AQI
23AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
16AQI
16AQI
24th May 2025
18AQI
18AQI
25th May 2025
30AQI
30AQI
26th May 2025
23AQI
23AQI
27th May 2025
21AQI
21AQI
28th May 2025
19AQI
19AQI
29th May 2025
32AQI
32AQI
30th May 2025
36AQI
36AQI
31st May 2025
44AQI
44AQI
1st June 2025
30AQI
30AQI
2nd June 2025
46AQI
46AQI
3rd June 2025
57AQI
57AQI
4th June 2025
75AQI
75AQI
5th June 2025
63AQI
63AQI
6th June 2025
45AQI
45AQI
7th June 2025
64AQI
64AQI
8th June 2025
58AQI
58AQI
9th June 2025
53AQI
53AQI
10th June 2025
57AQI
57AQI
11th June 2025
62AQI
62AQI
12th June 2025
73AQI
73AQI
13th June 2025
82AQI
82AQI
14th June 2025
46AQI
46AQI
15th June 2025
40AQI
40AQI
16th June 2025
43AQI
43AQI
17th June 2025
34AQI
34AQI
18th June 2025
40AQI
40AQI
19th June 2025
27AQI
27AQI
20th June 2025
38AQI
38AQI
21st June 2025
51AQI
51AQI
22nd June 2025
52AQI
52AQI
23rd June 2025
61AQI
61AQI
24th June 2025
62AQI
62AQI
25th June 2025
60AQI
60AQI
26th June 2025
53AQI
53AQI
27th June 2025
48AQI
48AQI
28th June 2025
43AQI
43AQI
29th June 2025
40AQI
40AQI
30th June 2025
33AQI
33AQI
1st July 2025
31AQI
31AQI
2nd July 2025
43AQI
43AQI
3rd July 2025
52AQI
52AQI
4th July 2025
64AQI
64AQI
5th July 2025
118AQI
118AQI
6th July 2025
67AQI
67AQI
7th July 2025
52AQI
52AQI
8th July 2025
52AQI
52AQI
9th July 2025
63AQI
63AQI
10th July 2025
53AQI
53AQI
11th July 2025
53AQI
53AQI
12th July 2025
52AQI
52AQI
13th July 2025
42AQI
42AQI
14th July 2025
57AQI
57AQI
15th July 2025
62AQI
62AQI
16th July 2025
41AQI
41AQI
17th July 2025
30AQI
30AQI
18th July 2025
24AQI
24AQI
19th July 2025
33AQI
33AQI
20th July 2025
34AQI
34AQI
21st July 2025
45AQI
45AQI
22nd July 2025
71AQI
71AQI
23rd July 2025
60AQI
60AQI
24th July 2025
59AQI
59AQI
25th July 2025
54AQI
54AQI
26th July 2025
44AQI
44AQI
27th July 2025
27AQI
27AQI
28th July 2025
28AQI
28AQI
29th July 2025
36AQI
36AQI
30th July 2025
48AQI
48AQI
31st July 2025
50AQI
50AQI
1st August 2025
76AQI
76AQI
2nd August 2025
48AQI
48AQI
3rd August 2025
39AQI
39AQI
4th August 2025
44AQI
44AQI
34AQI
34AQI
31AQI
31AQI
28AQI
51AQI
50AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202537AQI
28
3
26
2
29
2
30
30
1
14
16
15
15
1
3
1
175
40
1
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
May28AQI
202432AQI
30
1
23
6
30
1
29
1
31
23
6
28
2
26
5
30
28
3
29
1
30
1
337
27
Highest AQI recorded in
February39AQI
Lowest AQI recorded in
April25AQI
202341AQI
25
6
23
5
29
2
24
6
25
6
8
17
3
2
21
8
2
19
12
30
31
26
3
24
7
285
72
5
2
Highest AQI recorded in
June74AQI
Lowest AQI recorded in
October28AQI
202237AQI
22
9
19
2
26
5
30
27
1
23
7
17
6
2
25
4
26
5
22
8
23
8
262
55
Highest AQI recorded in
July44AQI
Lowest AQI recorded in
April30AQI
202141AQI
23
7
18
10
26
5
25
5
24
7
23
7
14
17
18
13
26
4
25
6
21
8
28
3
271
92
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
September36AQI
202041AQI
10
3
11
4
15
23
7
24
7
27
4
25
5
27
3
18
12
15
16
195
61
Highest AQI recorded in
December50AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2021(Avg.)
41AQILeast Polluted Year Recorded
2024(Avg.)
32AQIDayton's annual 2025 AQI (37) shows an average percentage change of -1.1% (improved AQI) compared to previous years: 2020 (41), 2021 (41), 2022 (37), 2023 (41), 2024 (32).
