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HistoryAQIPM2.5PM10COSO2NO2O3

Wilmington, Delaware, 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

Wilmington, Delaware, United States

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
6th Aug 2023
64AQI
Lowest AQI recorded on
20th Aug 2024
19AQI

Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2024 and 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025

Wilmington, Delaware, United States

AQI
Day
Night
.

5 AM1st Aug 2025

8 PM

4 AM2nd Aug 2025

Day time
Avg. Highest Time
2PM1st Aug

62AQI

Avg. Lowest Time
11AM1st Aug

53AQI

Night time
Avg. Highest Time
4AM2nd Aug

63AQI

Avg. Lowest Time
10PM1st Aug

55AQI

In the last 24 hours,

Wilmington's AQI reached its highest point of 63 at 4 AM during the Night, while the lowest point, 53, was recorded at 11 AM during the Day between 1st Aug and 2nd Aug 2025.

Day & Night AQI Trend : Jul - Aug 2025

Wilmington, Delaware, United States

JulAug
03rd - 04th04th - 05th05th - 06th06th - 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
Day
Night
3rd Jul 2025465 AMAQI
3rd Jul 2025496 AMAQI
3rd Jul 2025487 AMAQI
3rd Jul 2025478 AMAQI
3rd Jul 2025489 AMAQI
3rd Jul 20254810 AMAQI
3rd Jul 20255111 AMAQI
3rd Jul 20255312 PMAQI
3rd Jul 2025521 PMAQI
3rd Jul 2025492 PMAQI
3rd Jul 2025503 PMAQI
3rd Jul 2025494 PMAQI
3rd Jul 2025495 PMAQI
3rd Jul 2025496 PMAQI
3rd Jul 2025477 PMAQI
3rd Jul 2025488 PMAQI
3rd Jul 2025499 PMAQI
3rd Jul 20254910 PMAQI
3rd Jul 20254911 PMAQI
4th Jul 20254912 AMAQI
4th Jul 2025481 AMAQI
4th Jul 2025442 AMAQI
4th Jul 2025433 AMAQI
4th Jul 2025434 AMAQI

27°C20/35°C

4th Jul 2025435 AMAQI
4th Jul 2025446 AMAQI
4th Jul 2025467 AMAQI
4th Jul 2025458 AMAQI
4th Jul 2025469 AMAQI
4th Jul 20254410 AMAQI
4th Jul 20254411 AMAQI
4th Jul 20254212 PMAQI
4th Jul 2025411 PMAQI
4th Jul 2025402 PMAQI
4th Jul 2025443 PMAQI
4th Jul 2025434 PMAQI
4th Jul 2025445 PMAQI
4th Jul 2025446 PMAQI
4th Jul 2025437 PMAQI
4th Jul 2025438 PMAQI
4th Jul 2025439 PMAQI
4th Jul 20254410 PMAQI
4th Jul 20254811 PMAQI
5th Jul 20255212 AMAQI
5th Jul 2025541 AMAQI
5th Jul 2025562 AMAQI
5th Jul 2025543 AMAQI
5th Jul 2025524 AMAQI

24°C17/31°C

5th Jul 2025505 AMAQI
5th Jul 2025536 AMAQI
5th Jul 2025537 AMAQI
5th Jul 2025578 AMAQI
5th Jul 2025569 AMAQI
5th Jul 20255510 AMAQI
5th Jul 20255311 AMAQI
5th Jul 20255012 PMAQI
5th Jul 2025491 PMAQI
5th Jul 2025492 PMAQI
5th Jul 2025523 PMAQI
5th Jul 2025514 PMAQI
5th Jul 2025515 PMAQI
5th Jul 2025516 PMAQI
5th Jul 2025527 PMAQI
5th Jul 2025528 PMAQI
5th Jul 2025549 PMAQI
5th Jul 20255410 PMAQI
5th Jul 20255711 PMAQI
6th Jul 20255712 AMAQI
6th Jul 2025581 AMAQI
6th Jul 2025622 AMAQI
6th Jul 2025583 AMAQI
6th Jul 2025554 AMAQI

24°C16/33°C

6th Jul 2025545 AMAQI
6th Jul 2025536 AMAQI
6th Jul 2025557 AMAQI
6th Jul 2025548 AMAQI
6th Jul 2025539 AMAQI
6th Jul 20255310 AMAQI
6th Jul 20255111 AMAQI
6th Jul 20254912 PMAQI
6th Jul 2025481 PMAQI
6th Jul 2025482 PMAQI
6th Jul 2025523 PMAQI
6th Jul 2025514 PMAQI
6th Jul 2025515 PMAQI
6th Jul 2025516 PMAQI
6th Jul 2025547 PMAQI
6th Jul 2025538 PMAQI
6th Jul 2025519 PMAQI
6th Jul 20255110 PMAQI
6th Jul 20255111 PMAQI
7th Jul 20255112 AMAQI
7th Jul 2025441 AMAQI
7th Jul 2025432 AMAQI
7th Jul 2025433 AMAQI
7th Jul 2025454 AMAQI

25°C18/33°C

7th Jul 2025455 AMAQI
7th Jul 2025466 AMAQI
7th Jul 2025467 AMAQI
7th Jul 2025468 AMAQI
7th Jul 2025479 AMAQI
7th Jul 20254610 AMAQI
7th Jul 20254711 AMAQI
7th Jul 20254912 PMAQI
7th Jul 2025491 PMAQI
7th Jul 2025482 PMAQI
7th Jul 2025483 PMAQI
7th Jul 2025484 PMAQI
7th Jul 2025475 PMAQI
7th Jul 2025466 PMAQI
7th Jul 2025467 PMAQI
7th Jul 2025468 PMAQI
7th Jul 2025449 PMAQI
7th Jul 20254410 PMAQI
7th Jul 20254411 PMAQI
8th Jul 20254312 AMAQI
8th Jul 2025441 AMAQI
8th Jul 2025402 AMAQI
8th Jul 2025403 AMAQI
8th Jul 2025414 AMAQI

27°C23/32°C

8th Jul 2025395 AMAQI
8th Jul 2025406 AMAQI
8th Jul 2025417 AMAQI
8th Jul 2025418 AMAQI
8th Jul 2025429 AMAQI
8th Jul 20254110 AMAQI
8th Jul 20254211 AMAQI
8th Jul 20254412 PMAQI
8th Jul 2025431 PMAQI
8th Jul 2025442 PMAQI
8th Jul 2025453 PMAQI
8th Jul 2025444 PMAQI
8th Jul 2025445 PMAQI
8th Jul 2025436 PMAQI
8th Jul 2025417 PMAQI
8th Jul 2025418 PMAQI
8th Jul 2025419 PMAQI
8th Jul 20254010 PMAQI
8th Jul 20254211 PMAQI
9th Jul 20254212 AMAQI
9th Jul 2025401 AMAQI
9th Jul 2025342 AMAQI
9th Jul 2025323 AMAQI
9th Jul 2025294 AMAQI

29°C23/38°C

9th Jul 2025315 AMAQI
9th Jul 2025346 AMAQI
9th Jul 2025347 AMAQI
9th Jul 2025328 AMAQI
9th Jul 2025329 AMAQI
9th Jul 20253610 AMAQI
9th Jul 20253511 AMAQI
9th Jul 20253712 PMAQI
9th Jul 2025361 PMAQI
9th Jul 2025372 PMAQI
9th Jul 2025373 PMAQI
9th Jul 2025374 PMAQI
9th Jul 2025375 PMAQI
9th Jul 2025376 PMAQI
9th Jul 2025387 PMAQI
9th Jul 2025378 PMAQI
9th Jul 2025379 PMAQI
9th Jul 20253910 PMAQI
9th Jul 20253911 PMAQI
10th Jul 20253912 AMAQI
10th Jul 2025391 AMAQI
10th Jul 2025392 AMAQI
10th Jul 2025383 AMAQI
10th Jul 2025384 AMAQI

27°C22/35°C

10th Jul 2025395 AMAQI
10th Jul 2025386 AMAQI
10th Jul 2025387 AMAQI
10th Jul 2025388 AMAQI
10th Jul 2025389 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253811 AMAQI
10th Jul 20253712 PMAQI
10th Jul 2025361 PMAQI
10th Jul 2025372 PMAQI
10th Jul 2025393 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025375 PMAQI
10th Jul 2025376 PMAQI
10th Jul 2025377 PMAQI
10th Jul 2025388 PMAQI
10th Jul 2025369 PMAQI
10th Jul 20253610 PMAQI
10th Jul 20253711 PMAQI
11th Jul 20253512 AMAQI
11th Jul 2025331 AMAQI
11th Jul 2025312 AMAQI
11th Jul 2025323 AMAQI
11th Jul 2025314 AMAQI

24°C21/27°C

11th Jul 2025325 AMAQI
11th Jul 2025336 AMAQI
11th Jul 2025347 AMAQI
11th Jul 2025338 AMAQI
11th Jul 2025359 AMAQI
11th Jul 20253510 AMAQI
11th Jul 20253711 AMAQI
11th Jul 20253712 PMAQI
11th Jul 2025391 PMAQI
11th Jul 2025392 PMAQI
11th Jul 2025393 PMAQI
11th Jul 2025394 PMAQI
11th Jul 2025385 PMAQI
11th Jul 2025376 PMAQI
11th Jul 2025367 PMAQI
11th Jul 2025378 PMAQI
11th Jul 2025389 PMAQI
11th Jul 20253810 PMAQI
11th Jul 20253911 PMAQI
12th Jul 20253912 AMAQI
12th Jul 2025351 AMAQI
12th Jul 2025312 AMAQI
12th Jul 2025303 AMAQI
12th Jul 2025324 AMAQI

26°C22/31°C

12th Jul 2025355 AMAQI
12th Jul 2025346 AMAQI
12th Jul 2025327 AMAQI
12th Jul 2025358 AMAQI
12th Jul 2025319 AMAQI
12th Jul 20253110 AMAQI
12th Jul 20253211 AMAQI
12th Jul 20253212 PMAQI
12th Jul 2025331 PMAQI
12th Jul 2025342 PMAQI
12th Jul 2025343 PMAQI
12th Jul 2025344 PMAQI
12th Jul 2025345 PMAQI
12th Jul 2025356 PMAQI
12th Jul 2025327 PMAQI
12th Jul 2025348 PMAQI
12th Jul 2025339 PMAQI
12th Jul 20253310 PMAQI
12th Jul 20253511 PMAQI
13th Jul 20253612 AMAQI
13th Jul 2025351 AMAQI
13th Jul 2025362 AMAQI
13th Jul 2025383 AMAQI
13th Jul 2025424 AMAQI

27°C22/33°C

13th Jul 2025425 AMAQI
13th Jul 2025406 AMAQI
13th Jul 2025437 AMAQI
13th Jul 2025438 AMAQI
13th Jul 2025409 AMAQI
13th Jul 20254010 AMAQI
13th Jul 20253911 AMAQI
13th Jul 20254012 PMAQI
13th Jul 2025401 PMAQI
13th Jul 2025422 PMAQI
13th Jul 2025413 PMAQI
13th Jul 2025404 PMAQI
13th Jul 2025405 PMAQI
13th Jul 2025406 PMAQI
13th Jul 2025407 PMAQI
13th Jul 2025408 PMAQI
13th Jul 2025389 PMAQI
13th Jul 20253710 PMAQI
13th Jul 20253911 PMAQI
14th Jul 20253712 AMAQI
14th Jul 2025381 AMAQI
14th Jul 2025402 AMAQI
14th Jul 2025403 AMAQI
14th Jul 2025404 AMAQI

26°C21/32°C

14th Jul 2025395 AMAQI
14th Jul 2025386 AMAQI
14th Jul 2025417 AMAQI
14th Jul 2025428 AMAQI
14th Jul 2025429 AMAQI
14th Jul 20254210 AMAQI
14th Jul 20254011 AMAQI
14th Jul 20254412 PMAQI
14th Jul 2025451 PMAQI
14th Jul 2025482 PMAQI
14th Jul 2025483 PMAQI
14th Jul 2025474 PMAQI
14th Jul 2025435 PMAQI
14th Jul 2025436 PMAQI
14th Jul 2025427 PMAQI
14th Jul 2025428 PMAQI
14th Jul 2025429 PMAQI
14th Jul 20254210 PMAQI
14th Jul 20254311 PMAQI
15th Jul 20254212 AMAQI
15th Jul 2025421 AMAQI
15th Jul 2025422 AMAQI
15th Jul 2025433 AMAQI
15th Jul 2025464 AMAQI

25°C22/29°C

15th Jul 2025495 AMAQI
15th Jul 2025496 AMAQI
15th Jul 2025487 AMAQI
15th Jul 2025488 AMAQI
15th Jul 2025489 AMAQI
15th Jul 20254910 AMAQI
15th Jul 20254911 AMAQI
15th Jul 20254812 PMAQI
15th Jul 2025471 PMAQI
15th Jul 2025462 PMAQI
15th Jul 2025493 PMAQI
15th Jul 2025494 PMAQI
15th Jul 2025485 PMAQI
15th Jul 2025486 PMAQI
15th Jul 2025487 PMAQI
15th Jul 2025488 PMAQI
15th Jul 2025489 PMAQI
15th Jul 20254810 PMAQI
15th Jul 20254811 PMAQI
16th Jul 20254712 AMAQI
16th Jul 2025471 AMAQI
16th Jul 2025432 AMAQI
16th Jul 2025413 AMAQI
16th Jul 2025424 AMAQI

27°C22/32°C

16th Jul 2025445 AMAQI
16th Jul 2025446 AMAQI
16th Jul 2025477 AMAQI
16th Jul 2025468 AMAQI
16th Jul 2025459 AMAQI
16th Jul 20254510 AMAQI
16th Jul 20254411 AMAQI
16th Jul 20254412 PMAQI
16th Jul 2025431 PMAQI
16th Jul 2025442 PMAQI
16th Jul 2025443 PMAQI
16th Jul 2025444 PMAQI
16th Jul 2025425 PMAQI
16th Jul 2025426 PMAQI
16th Jul 2025467 PMAQI
16th Jul 2025448 PMAQI
16th Jul 2025429 PMAQI
16th Jul 20254210 PMAQI
16th Jul 20254011 PMAQI
17th Jul 20253912 AMAQI
17th Jul 2025411 AMAQI
17th Jul 2025292 AMAQI
17th Jul 2025283 AMAQI
17th Jul 2025254 AMAQI

27°C23/31°C

17th Jul 2025265 AMAQI
17th Jul 2025286 AMAQI
17th Jul 2025267 AMAQI
17th Jul 2025278 AMAQI
17th Jul 2025279 AMAQI
17th Jul 20252910 AMAQI
17th Jul 20252711 AMAQI
17th Jul 20252712 PMAQI
17th Jul 2025271 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025283 PMAQI
17th Jul 2025284 PMAQI
17th Jul 2025275 PMAQI
17th Jul 2025276 PMAQI
17th Jul 2025277 PMAQI
17th Jul 2025298 PMAQI
17th Jul 2025269 PMAQI
17th Jul 20252510 PMAQI
17th Jul 20252511 PMAQI
18th Jul 20252412 AMAQI
18th Jul 2025231 AMAQI
18th Jul 2025212 AMAQI
18th Jul 2025203 AMAQI
18th Jul 2025204 AMAQI

29°C23/37°C

18th Jul 2025205 AMAQI
18th Jul 2025206 AMAQI
18th Jul 2025227 AMAQI
18th Jul 2025198 AMAQI
18th Jul 2025209 AMAQI
18th Jul 20252110 AMAQI
18th Jul 20252111 AMAQI
18th Jul 20252112 PMAQI
18th Jul 2025221 PMAQI
18th Jul 2025212 PMAQI
18th Jul 2025223 PMAQI
18th Jul 2025214 PMAQI
18th Jul 2025225 PMAQI
18th Jul 2025226 PMAQI
18th Jul 2025207 PMAQI
18th Jul 2025218 PMAQI
18th Jul 2025229 PMAQI
18th Jul 20252310 PMAQI
18th Jul 20252411 PMAQI
19th Jul 20252312 AMAQI
19th Jul 2025241 AMAQI
19th Jul 2025252 AMAQI
19th Jul 2025253 AMAQI
19th Jul 2025244 AMAQI

27°C22/32°C

19th Jul 2025265 AMAQI
19th Jul 2025266 AMAQI
19th Jul 2025267 AMAQI
19th Jul 2025268 AMAQI
19th Jul 2025269 AMAQI
19th Jul 20252510 AMAQI
19th Jul 20252511 AMAQI
19th Jul 20252612 PMAQI
19th Jul 2025281 PMAQI
19th Jul 2025302 PMAQI
19th Jul 2025303 PMAQI
19th Jul 2025264 PMAQI
19th Jul 2025275 PMAQI
19th Jul 2025306 PMAQI
19th Jul 2025277 PMAQI
19th Jul 2025268 PMAQI
19th Jul 2025289 PMAQI
19th Jul 20252810 PMAQI
19th Jul 20252811 PMAQI
20th Jul 20252812 AMAQI
20th Jul 2025251 AMAQI
20th Jul 2025212 AMAQI
20th Jul 2025213 AMAQI
20th Jul 2025224 AMAQI

26°C23/29°C

20th Jul 2025235 AMAQI
20th Jul 2025246 AMAQI
20th Jul 2025237 AMAQI
20th Jul 2025238 AMAQI
20th Jul 2025249 AMAQI
20th Jul 20252410 AMAQI
20th Jul 20252411 AMAQI
20th Jul 20252512 PMAQI
20th Jul 2025271 PMAQI
20th Jul 2025262 PMAQI
20th Jul 2025273 PMAQI
20th Jul 2025284 PMAQI
20th Jul 2025285 PMAQI
20th Jul 2025286 PMAQI
20th Jul 2025257 PMAQI
20th Jul 2025258 PMAQI
20th Jul 2025309 PMAQI
20th Jul 20253210 PMAQI
20th Jul 20253311 PMAQI
21st Jul 20253212 AMAQI
21st Jul 2025321 AMAQI
21st Jul 2025332 AMAQI
21st Jul 2025333 AMAQI
21st Jul 2025364 AMAQI

27°C23/33°C

21st Jul 2025395 AMAQI
21st Jul 2025426 AMAQI
21st Jul 2025407 AMAQI
21st Jul 2025398 AMAQI
21st Jul 2025379 AMAQI
21st Jul 20253610 AMAQI
21st Jul 20253511 AMAQI
21st Jul 20253412 PMAQI
21st Jul 2025341 PMAQI
21st Jul 2025352 PMAQI
21st Jul 2025353 PMAQI
21st Jul 2025384 PMAQI
21st Jul 2025375 PMAQI
21st Jul 2025366 PMAQI
21st Jul 2025357 PMAQI
21st Jul 2025358 PMAQI
21st Jul 2025359 PMAQI
21st Jul 20253610 PMAQI
21st Jul 20253711 PMAQI
22nd Jul 20253712 AMAQI
22nd Jul 2025431 AMAQI
22nd Jul 2025462 AMAQI
22nd Jul 2025463 AMAQI
22nd Jul 2025434 AMAQI

26°C20/32°C

22nd Jul 2025415 AMAQI
22nd Jul 2025416 AMAQI
22nd Jul 2025467 AMAQI
22nd Jul 2025458 AMAQI
22nd Jul 2025459 AMAQI
22nd Jul 20254610 AMAQI
22nd Jul 20254611 AMAQI
22nd Jul 20254812 PMAQI
22nd Jul 2025481 PMAQI
22nd Jul 2025482 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025475 PMAQI
22nd Jul 2025466 PMAQI
22nd Jul 2025467 PMAQI
22nd Jul 2025468 PMAQI
22nd Jul 2025459 PMAQI
22nd Jul 20254610 PMAQI
22nd Jul 20254611 PMAQI
23rd Jul 20254412 AMAQI
23rd Jul 2025401 AMAQI
23rd Jul 2025392 AMAQI
23rd Jul 2025383 AMAQI
23rd Jul 2025384 AMAQI

23°C18/29°C

23rd Jul 2025385 AMAQI
23rd Jul 2025396 AMAQI
23rd Jul 2025427 AMAQI
23rd Jul 2025398 AMAQI
23rd Jul 2025399 AMAQI
23rd Jul 20253910 AMAQI
23rd Jul 20253911 AMAQI
23rd Jul 20254012 PMAQI
23rd Jul 2025381 PMAQI
23rd Jul 2025392 PMAQI
23rd Jul 2025413 PMAQI
23rd Jul 2025414 PMAQI
23rd Jul 2025415 PMAQI
23rd Jul 2025416 PMAQI
23rd Jul 2025407 PMAQI
23rd Jul 2025408 PMAQI
23rd Jul 2025409 PMAQI
23rd Jul 20254010 PMAQI
23rd Jul 20254011 PMAQI
24th Jul 20254112 AMAQI
24th Jul 2025381 AMAQI
24th Jul 2025372 AMAQI
24th Jul 2025373 AMAQI
24th Jul 2025394 AMAQI

23°C20/28°C

24th Jul 2025415 AMAQI
24th Jul 2025416 AMAQI
24th Jul 2025437 AMAQI
24th Jul 2025428 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254511 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025452 PMAQI
24th Jul 2025453 PMAQI
24th Jul 2025454 PMAQI
24th Jul 2025445 PMAQI
24th Jul 2025446 PMAQI
24th Jul 2025447 PMAQI
24th Jul 2025448 PMAQI
24th Jul 2025439 PMAQI
24th Jul 20254310 PMAQI
24th Jul 20254311 PMAQI
25th Jul 20254312 AMAQI
25th Jul 2025431 AMAQI
25th Jul 2025392 AMAQI
25th Jul 2025383 AMAQI
25th Jul 2025394 AMAQI

26°C19/34°C

25th Jul 2025385 AMAQI
25th Jul 2025386 AMAQI
25th Jul 2025377 AMAQI
25th Jul 2025368 AMAQI
25th Jul 2025369 AMAQI
25th Jul 20253710 AMAQI
25th Jul 20254011 AMAQI
25th Jul 20254012 PMAQI
25th Jul 2025401 PMAQI
25th Jul 2025412 PMAQI
25th Jul 2025423 PMAQI
25th Jul 2025424 PMAQI
25th Jul 2025445 PMAQI
25th Jul 2025466 PMAQI
25th Jul 2025427 PMAQI
25th Jul 2025408 PMAQI
25th Jul 2025409 PMAQI
25th Jul 20253910 PMAQI
25th Jul 20254111 PMAQI
26th Jul 20254212 AMAQI
26th Jul 2025571 AMAQI
26th Jul 2025652 AMAQI
26th Jul 2025623 AMAQI
26th Jul 2025554 AMAQI

29°C22/39°C

26th Jul 2025445 AMAQI
26th Jul 2025466 AMAQI
26th Jul 2025487 AMAQI
26th Jul 2025508 AMAQI
26th Jul 2025529 AMAQI
26th Jul 20255110 AMAQI
26th Jul 20255011 AMAQI
26th Jul 20255512 PMAQI
26th Jul 2025671 PMAQI
26th Jul 2025532 PMAQI
26th Jul 2025503 PMAQI
26th Jul 2025514 PMAQI
26th Jul 2025495 PMAQI
26th Jul 2025496 PMAQI
26th Jul 2025517 PMAQI
26th Jul 2025528 PMAQI
26th Jul 2025509 PMAQI
26th Jul 20255010 PMAQI
26th Jul 20255011 PMAQI
27th Jul 20255312 AMAQI
27th Jul 2025711 AMAQI
27th Jul 2025702 AMAQI
27th Jul 2025703 AMAQI
27th Jul 2025664 AMAQI

27°C23/31°C

27th Jul 2025695 AMAQI
27th Jul 2025656 AMAQI
27th Jul 2025667 AMAQI
27th Jul 2025648 AMAQI
27th Jul 2025619 AMAQI
27th Jul 20255610 AMAQI
27th Jul 20255211 AMAQI
27th Jul 20255212 PMAQI
27th Jul 2025501 PMAQI
27th Jul 2025512 PMAQI
27th Jul 2025563 PMAQI
27th Jul 2025554 PMAQI
27th Jul 2025555 PMAQI
27th Jul 2025536 PMAQI
27th Jul 2025607 PMAQI
27th Jul 2025608 PMAQI
27th Jul 2025529 PMAQI
27th Jul 20255210 PMAQI
27th Jul 20255111 PMAQI
28th Jul 20255112 AMAQI
28th Jul 2025351 AMAQI
28th Jul 2025322 AMAQI
28th Jul 2025353 AMAQI
28th Jul 2025364 AMAQI

26°C22/32°C

28th Jul 2025365 AMAQI
28th Jul 2025386 AMAQI
28th Jul 2025407 AMAQI
28th Jul 2025398 AMAQI
28th Jul 2025399 AMAQI
28th Jul 20253910 AMAQI
28th Jul 20254011 AMAQI
28th Jul 20254012 PMAQI
28th Jul 2025411 PMAQI
28th Jul 2025432 PMAQI
28th Jul 2025433 PMAQI
28th Jul 2025434 PMAQI
28th Jul 2025425 PMAQI
28th Jul 2025426 PMAQI
28th Jul 2025417 PMAQI
28th Jul 2025418 PMAQI
28th Jul 2025419 PMAQI
28th Jul 20254110 PMAQI
28th Jul 20254111 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025421 AMAQI
29th Jul 2025422 AMAQI
29th Jul 2025423 AMAQI
29th Jul 2025424 AMAQI

29°C23/35°C

29th Jul 2025415 AMAQI
29th Jul 2025426 AMAQI
29th Jul 2025427 AMAQI
29th Jul 2025418 AMAQI
29th Jul 2025409 AMAQI
29th Jul 20254010 AMAQI
29th Jul 20254011 AMAQI
29th Jul 20254112 PMAQI
29th Jul 2025401 PMAQI
29th Jul 2025412 PMAQI
29th Jul 2025423 PMAQI
29th Jul 2025414 PMAQI
29th Jul 2025425 PMAQI
29th Jul 2025436 PMAQI
29th Jul 2025447 PMAQI
29th Jul 2025448 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254410 PMAQI
29th Jul 20254511 PMAQI
30th Jul 20254712 AMAQI
30th Jul 2025471 AMAQI
30th Jul 2025472 AMAQI
30th Jul 2025483 AMAQI
30th Jul 2025504 AMAQI

29°C22/36°C

30th Jul 2025475 AMAQI
30th Jul 2025466 AMAQI
30th Jul 2025487 AMAQI
30th Jul 2025508 AMAQI
30th Jul 2025519 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20254811 AMAQI
30th Jul 20254812 PMAQI
30th Jul 2025501 PMAQI
30th Jul 2025492 PMAQI
30th Jul 2025493 PMAQI
30th Jul 2025494 PMAQI
30th Jul 2025495 PMAQI
30th Jul 2025496 PMAQI
30th Jul 2025497 PMAQI
30th Jul 2025498 PMAQI
30th Jul 2025519 PMAQI
30th Jul 20255210 PMAQI
30th Jul 20255511 PMAQI
31st Jul 20255412 AMAQI
31st Jul 2025521 AMAQI
31st Jul 2025572 AMAQI
31st Jul 2025553 AMAQI
31st Jul 2025564 AMAQI

29°C22/35°C

31st Jul 2025575 AMAQI
31st Jul 2025626 AMAQI
31st Jul 2025707 AMAQI
31st Jul 2025738 AMAQI
31st Jul 2025739 AMAQI
31st Jul 20257810 AMAQI
31st Jul 20258011 AMAQI
31st Jul 20258212 PMAQI
31st Jul 2025851 PMAQI
31st Jul 2025882 PMAQI
31st Jul 2025733 PMAQI
31st Jul 2025594 PMAQI
31st Jul 2025675 PMAQI
31st Jul 2025716 PMAQI
31st Jul 2025657 PMAQI
31st Jul 2025698 PMAQI
31st Jul 2025769 PMAQI
31st Jul 20257610 PMAQI
31st Jul 20257411 PMAQI
1st Aug 20256912 AMAQI
1st Aug 2025691 AMAQI
1st Aug 2025702 AMAQI
1st Aug 2025633 AMAQI
1st Aug 2025604 AMAQI

27°C19/36°C

1st Aug 2025555 AMAQI
1st Aug 2025586 AMAQI
1st Aug 2025537 AMAQI
1st Aug 2025608 AMAQI
1st Aug 2025599 AMAQI
1st Aug 20255810 AMAQI
1st Aug 20255311 AMAQI
1st Aug 20255712 PMAQI
1st Aug 2025571 PMAQI
1st Aug 2025622 PMAQI
1st Aug 2025593 PMAQI
1st Aug 2025604 PMAQI
1st Aug 2025595 PMAQI
1st Aug 2025596 PMAQI
1st Aug 2025627 PMAQI
1st Aug 2025608 PMAQI
1st Aug 2025579 PMAQI
1st Aug 20255510 PMAQI
1st Aug 20255711 PMAQI
2nd Aug 20256012 AMAQI
2nd Aug 2025591 AMAQI
2nd Aug 2025582 AMAQI
2nd Aug 2025613 AMAQI
2nd Aug 2025634 AMAQI

20°C18/24°C

2nd Aug 2025605 AMAQI
5 AM
2nd Aug 2025596 AMAQI
2nd Aug 2025607 AMAQI
2nd Aug 2025638 AMAQI
2nd Aug 2025609 AMAQI
2nd Aug 20255810 AMAQI
2nd Aug 20255611 AMAQI
2nd Aug 20255512 PMAQI
12 PM
2nd Aug 2025571 PMAQI
2nd Aug 2025602 PMAQI
2nd Aug 2025623 PMAQI
2nd Aug 2025634 PMAQI
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

43AQI

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

43AQI

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. 43), while the lowest AQI was between 12 AM to 11 PM (Avg. 43).

2025 Days Vs Air Quality

Wilmington, Delaware, United States

2025

91%

194

9%

19

Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)

Good
194 Days
Moderate
19 Days
Poor
0 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 91%

Health Risk Level:

Very Low

In 2025, 91% of 214 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

Wilmington, Delaware, 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
26AQI
2nd January 2025
21AQI
3rd January 2025
31AQI
4th January 2025
21AQI
5th January 2025
33AQI
6th January 2025
40AQI
7th January 2025
21AQI
8th January 2025
24AQI
9th January 2025
26AQI
10th January 2025
29AQI
11th January 2025
46AQI
12th January 2025
57AQI
13th January 2025
46AQI
14th January 2025
25AQI
15th January 2025
26AQI
16th January 2025
41AQI
17th January 2025
47AQI
18th January 2025
38AQI
19th January 2025
45AQI
20th January 2025
25AQI
21st January 2025
34AQI
22nd January 2025
51AQI
23rd January 2025
64AQI
24th January 2025
67AQI
25th January 2025
60AQI
26th January 2025
51AQI
27th January 2025
44AQI
28th January 2025
36AQI
29th January 2025
29AQI
30th January 2025
27AQI
31st January 2025
37AQI
1st February 2025
29AQI
2nd February 2025
23AQI
3rd February 2025
36AQI
4th February 2025
35AQI
5th February 2025
27AQI
6th February 2025
31AQI
7th February 2025
32AQI
8th February 2025
29AQI
9th February 2025
31AQI
10th February 2025
32AQI
11th February 2025
36AQI
12th February 2025
44AQI
13th February 2025
25AQI
14th February 2025
28AQI
15th February 2025
30AQI
16th February 2025
24AQI
17th February 2025
28AQI
18th February 2025
25AQI
19th February 2025
23AQI
20th February 2025
24AQI
21st February 2025
24AQI
22nd February 2025
39AQI
23rd February 2025
48AQI
24th February 2025
49AQI
25th February 2025
40AQI
26th February 2025
41AQI
27th February 2025
46AQI
28th February 2025
29AQI
1st March 2025
28AQI
2nd March 2025
27AQI
3rd March 2025
28AQI
4th March 2025
36AQI
5th March 2025
26AQI
6th March 2025
22AQI
7th March 2025
29AQI
8th March 2025
28AQI
9th March 2025
27AQI
10th March 2025
30AQI
11th March 2025
34AQI
12th March 2025
31AQI
13th March 2025
34AQI
14th March 2025
46AQI
15th March 2025
26AQI
16th March 2025
28AQI
17th March 2025
21AQI
18th March 2025
18AQI
19th March 2025
28AQI
20th March 2025
25AQI
21st March 2025
18AQI
22nd March 2025
24AQI
23rd March 2025
17AQI
24th March 2025
31AQI
25th March 2025
26AQI
26th March 2025
20AQI
27th March 2025
20AQI
28th March 2025
32AQI
29th March 2025
57AQI
30th March 2025
50AQI
31st March 2025
26AQI
1st April 2025
18AQI
2nd April 2025
18AQI
3rd April 2025
30AQI
4th April 2025
25AQI
5th April 2025
25AQI
6th April 2025
36AQI
7th April 2025
21AQI
8th April 2025
28AQI
9th April 2025
20AQI
10th April 2025
23AQI
11th April 2025
21AQI
12th April 2025
14AQI
13th April 2025
18AQI
14th April 2025
26AQI
15th April 2025
31AQI
16th April 2025
14AQI
17th April 2025
22AQI
18th April 2025
31AQI
19th April 2025
49AQI
20th April 2025
27AQI
21st April 2025
21AQI
22nd April 2025
31AQI
23rd April 2025
24AQI
24th April 2025
47AQI
25th April 2025
27AQI
26th April 2025
29AQI
27th April 2025
11AQI
28th April 2025
16AQI
29th April 2025
26AQI
30th April 2025
29AQI
1st May 2025
25AQI
2nd May 2025
42AQI
3rd May 2025
38AQI
4th May 2025
24AQI
5th May 2025
23AQI
6th May 2025
21AQI
7th May 2025
17AQI
8th May 2025
24AQI
9th May 2025
20AQI
10th May 2025
19AQI
11th May 2025
32AQI
12th May 2025
30AQI
13th May 2025
21AQI
14th May 2025
24AQI
15th May 2025
25AQI
16th May 2025
34AQI
17th May 2025
27AQI
18th May 2025
18AQI
19th May 2025
18AQI
20th May 2025
17AQI
21st May 2025
15AQI
22nd May 2025
13AQI
23rd May 2025
15AQI
24th May 2025
13AQI
25th May 2025
14AQI
26th May 2025
16AQI
27th May 2025
22AQI
28th May 2025
16AQI
29th May 2025
17AQI
30th May 2025
29AQI
31st May 2025
30AQI
1st June 2025
18AQI
2nd June 2025
23AQI
3rd June 2025
27AQI
4th June 2025
44AQI
5th June 2025
46AQI
6th June 2025
47AQI
7th June 2025
32AQI
8th June 2025
24AQI
9th June 2025
26AQI
10th June 2025
34AQI
11th June 2025
52AQI
12th June 2025
63AQI
13th June 2025
72AQI
14th June 2025
89AQI
15th June 2025
36AQI
16th June 2025
32AQI
17th June 2025
27AQI
18th June 2025
24AQI
19th June 2025
23AQI
20th June 2025
22AQI
21st June 2025
39AQI
22nd June 2025
42AQI
23rd June 2025
51AQI
24th June 2025
55AQI
25th June 2025
55AQI
26th June 2025
40AQI
27th June 2025
38AQI
28th June 2025
30AQI
29th June 2025
40AQI
30th June 2025
39AQI
1st July 2025
30AQI
2nd July 2025
26AQI
3rd July 2025
40AQI
4th July 2025
49AQI
5th July 2025
63AQI
6th July 2025
57AQI
7th July 2025
33AQI
8th July 2025
31AQI
9th July 2025
32AQI
10th July 2025
31AQI
11th July 2025
31AQI
12th July 2025
27AQI
13th July 2025
21AQI
14th July 2025
22AQI
15th July 2025
20AQI
16th July 2025
26AQI
17th July 2025
25AQI
18th July 2025
23AQI
19th July 2025
24AQI
20th July 2025
25AQI
21st July 2025
28AQI
22nd July 2025
51AQI
23rd July 2025
37AQI
24th July 2025
30AQI
25th July 2025
38AQI
26th July 2025
31AQI
27th July 2025
83AQI
28th July 2025
37AQI
29th July 2025
45AQI
30th July 2025
51AQI
31st July 2025
48AQI
1st August 2025
35AQI

38AQI

32AQI

29AQI

25AQI

23AQI

40AQI

36AQI

35AQI

No. of days

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

202532AQI

25
6
28
30
1
30
31
23
7
26
5
1
194
19

Highest AQI recorded in

June

40AQI

Lowest AQI recorded in

May

23AQI

202434AQI

23
8
24
5
30
1
27
3
29
2
29
30
1
24
7
30
27
4
30
28
3
331
34

Highest AQI recorded in

January

38AQI

Lowest AQI recorded in

November

28AQI

202342AQI

25
6
20
8
28
3
25
3
26
5
13
13
1
1
2
19
12
23
8
27
3
27
3
20
4
26
5
279
73
1
1
2

Highest AQI recorded in

June

72AQI

Lowest AQI recorded in

September

33AQI

202237AQI

19
12
16
5
23
6
23
1
28
3
29
1
20
3
1
25
1
30
1
25
2
26
5
265
40

Highest AQI recorded in

January

44AQI

Lowest AQI recorded in

September

30AQI

202140AQI

25
5
19
9
25
3
24
2
29
2
27
3
16
13
2
27
3
25
5
30
1
25
5
19
12
291
63
2

Highest AQI recorded in

July

53AQI

Lowest AQI recorded in

October

33AQI

202037AQI

12
20
1
14
1
30
25
6
29
2
27
2
26
22
8
18
7
223
27

Highest AQI recorded in

November

43AQI

Lowest AQI recorded in

September

31AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
42AQI
Least Polluted Year Recorded
2025(Avg.)
32AQI

Wilmington's annual 2025 AQI (32) shows an average percentage change of -15.3% (improved AQI) compared to previous years: 2020 (37), 2021 (40), 2022 (37), 2023 (42), 2024 (34).