Ashburn, Virginia, 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
Ashburn, Virginia, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
17th Aug 2023
94AQILowest AQI recorded on
31st Aug 2023
15AQISame Day Analysis (9th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Ashburn, Virginia, United States
AQI
Day
Night
.
6 AM8th Aug 2025
8 PM
5 AM9th Aug 2025
Day time
Avg. Highest Time
6AM8th Aug
72AQI
Avg. Lowest Time
2PM8th Aug
52AQI
Night time
Avg. Highest Time
10PM8th Aug
58AQI
Avg. Lowest Time
4AM9th Aug
28AQI
In the last 24 hours,
Ashburn's AQI reached its highest point of 72 at 6 AM during the Day, while the lowest point, 28, was recorded at 4 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ashburn, Virginia, United States
JulAug
10th - 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 - 07th07th - 08th08th - 09th09th
Day
Night
10th Jul 2025336 AMAQI
10th Jul 2025337 AMAQI
10th Jul 2025358 AMAQI
10th Jul 2025369 AMAQI
10th Jul 20253810 AMAQI
10th Jul 20253911 AMAQI
10th Jul 20253812 PMAQI
10th Jul 2025391 PMAQI
10th Jul 2025392 PMAQI
10th Jul 2025383 PMAQI
10th Jul 2025384 PMAQI
10th Jul 2025365 PMAQI
10th Jul 2025376 PMAQI
10th Jul 2025347 PMAQI
10th Jul 2025368 PMAQI
10th Jul 2025369 PMAQI
10th Jul 20253610 PMAQI
10th Jul 20253711 PMAQI
11th Jul 20253812 AMAQI
11th Jul 2025391 AMAQI
11th Jul 2025392 AMAQI
11th Jul 2025413 AMAQI
11th Jul 2025424 AMAQI
11th Jul 2025405 AMAQI
--°C/°C
11th Jul 2025426 AMAQI
11th Jul 2025407 AMAQI
11th Jul 2025408 AMAQI
11th Jul 2025409 AMAQI
11th Jul 20254010 AMAQI
11th Jul 20254011 AMAQI
11th Jul 20254312 PMAQI
11th Jul 2025431 PMAQI
11th Jul 2025442 PMAQI
11th Jul 2025443 PMAQI
11th Jul 2025444 PMAQI
11th Jul 2025445 PMAQI
11th Jul 2025446 PMAQI
11th Jul 2025417 PMAQI
11th Jul 2025408 PMAQI
11th Jul 2025409 PMAQI
11th Jul 20254010 PMAQI
11th Jul 20254211 PMAQI
12th Jul 20254312 AMAQI
12th Jul 2025421 AMAQI
12th Jul 2025412 AMAQI
12th Jul 2025403 AMAQI
12th Jul 2025404 AMAQI
12th Jul 2025425 AMAQI
27°C22/33°C
12th Jul 2025406 AMAQI
12th Jul 2025417 AMAQI
12th Jul 2025408 AMAQI
12th Jul 2025409 AMAQI
12th Jul 20254010 AMAQI
12th Jul 20254211 AMAQI
12th Jul 20254412 PMAQI
12th Jul 2025431 PMAQI
12th Jul 2025422 PMAQI
12th Jul 2025423 PMAQI
12th Jul 2025404 PMAQI
12th Jul 2025395 PMAQI
12th Jul 2025426 PMAQI
12th Jul 2025417 PMAQI
12th Jul 2025418 PMAQI
12th Jul 2025359 PMAQI
12th Jul 20253410 PMAQI
12th Jul 20253411 PMAQI
13th Jul 20253412 AMAQI
13th Jul 2025311 AMAQI
13th Jul 2025322 AMAQI
13th Jul 2025333 AMAQI
13th Jul 2025354 AMAQI
13th Jul 2025335 AMAQI
29°C24/36°C
13th Jul 2025326 AMAQI
13th Jul 2025337 AMAQI
13th Jul 2025348 AMAQI
13th Jul 2025349 AMAQI
13th Jul 20253610 AMAQI
13th Jul 20253411 AMAQI
13th Jul 20253512 PMAQI
13th Jul 2025351 PMAQI
13th Jul 2025332 PMAQI
13th Jul 2025343 PMAQI
13th Jul 2025324 PMAQI
13th Jul 2025325 PMAQI
13th Jul 2025316 PMAQI
13th Jul 2025347 PMAQI
13th Jul 2025348 PMAQI
13th Jul 2025329 PMAQI
13th Jul 20253210 PMAQI
13th Jul 20253211 PMAQI
14th Jul 20253212 AMAQI
14th Jul 2025281 AMAQI
14th Jul 2025302 AMAQI
14th Jul 2025293 AMAQI
14th Jul 2025284 AMAQI
14th Jul 2025265 AMAQI
28°C23/35°C
14th Jul 2025296 AMAQI
14th Jul 2025307 AMAQI
14th Jul 2025308 AMAQI
14th Jul 2025329 AMAQI
14th Jul 20253210 AMAQI
14th Jul 20253311 AMAQI
14th Jul 20253412 PMAQI
14th Jul 2025331 PMAQI
14th Jul 2025332 PMAQI
14th Jul 2025343 PMAQI
14th Jul 2025344 PMAQI
14th Jul 2025355 PMAQI
14th Jul 2025336 PMAQI
14th Jul 2025387 PMAQI
14th Jul 2025318 PMAQI
14th Jul 2025289 PMAQI
14th Jul 20252710 PMAQI
14th Jul 20252811 PMAQI
15th Jul 20252612 AMAQI
15th Jul 2025241 AMAQI
15th Jul 2025232 AMAQI
15th Jul 2025253 AMAQI
15th Jul 2025274 AMAQI
15th Jul 2025285 AMAQI
27°C24/33°C
15th Jul 2025296 AMAQI
15th Jul 2025287 AMAQI
15th Jul 2025278 AMAQI
15th Jul 2025249 AMAQI
15th Jul 20252410 AMAQI
15th Jul 20252411 AMAQI
15th Jul 20252412 PMAQI
15th Jul 2025241 PMAQI
15th Jul 2025272 PMAQI
15th Jul 2025263 PMAQI
15th Jul 2025264 PMAQI
15th Jul 2025275 PMAQI
15th Jul 2025266 PMAQI
15th Jul 2025277 PMAQI
15th Jul 2025268 PMAQI
15th Jul 2025299 PMAQI
15th Jul 20252910 PMAQI
15th Jul 20252911 PMAQI
16th Jul 20252812 AMAQI
16th Jul 2025261 AMAQI
16th Jul 2025242 AMAQI
16th Jul 2025253 AMAQI
16th Jul 2025254 AMAQI
16th Jul 2025265 AMAQI
27°C22/33°C
16th Jul 2025266 AMAQI
16th Jul 2025297 AMAQI
16th Jul 2025278 AMAQI
16th Jul 2025289 AMAQI
16th Jul 20252910 AMAQI
16th Jul 20253011 AMAQI
16th Jul 20253112 PMAQI
16th Jul 2025321 PMAQI
16th Jul 2025322 PMAQI
16th Jul 2025323 PMAQI
16th Jul 2025324 PMAQI
16th Jul 2025325 PMAQI
16th Jul 2025316 PMAQI
16th Jul 2025327 PMAQI
16th Jul 2025308 PMAQI
16th Jul 2025309 PMAQI
16th Jul 20252610 PMAQI
16th Jul 20252411 PMAQI
17th Jul 20252412 AMAQI
17th Jul 2025181 AMAQI
17th Jul 2025182 AMAQI
17th Jul 2025183 AMAQI
17th Jul 2025204 AMAQI
17th Jul 2025235 AMAQI
26°C23/32°C
17th Jul 2025266 AMAQI
17th Jul 2025277 AMAQI
17th Jul 2025288 AMAQI
17th Jul 2025289 AMAQI
17th Jul 20252810 AMAQI
17th Jul 20252911 AMAQI
17th Jul 20252912 PMAQI
17th Jul 2025291 PMAQI
17th Jul 2025282 PMAQI
17th Jul 2025293 PMAQI
17th Jul 2025304 PMAQI
17th Jul 2025305 PMAQI
17th Jul 2025296 PMAQI
17th Jul 2025297 PMAQI
17th Jul 2025308 PMAQI
17th Jul 2025289 PMAQI
17th Jul 20252810 PMAQI
17th Jul 20252811 PMAQI
18th Jul 20252712 AMAQI
18th Jul 2025271 AMAQI
18th Jul 2025252 AMAQI
18th Jul 2025243 AMAQI
18th Jul 2025244 AMAQI
18th Jul 2025255 AMAQI
30°C23/38°C
18th Jul 2025266 AMAQI
18th Jul 2025277 AMAQI
18th Jul 2025288 AMAQI
18th Jul 2025289 AMAQI
18th Jul 20252610 AMAQI
18th Jul 20252411 AMAQI
18th Jul 20252412 PMAQI
18th Jul 2025261 PMAQI
18th Jul 2025272 PMAQI
18th Jul 2025283 PMAQI
18th Jul 2025284 PMAQI
18th Jul 2025285 PMAQI
18th Jul 2025286 PMAQI
18th Jul 2025277 PMAQI
18th Jul 2025298 PMAQI
18th Jul 2025309 PMAQI
18th Jul 20253010 PMAQI
18th Jul 20253211 PMAQI
19th Jul 20253212 AMAQI
19th Jul 2025311 AMAQI
19th Jul 2025322 AMAQI
19th Jul 2025353 AMAQI
19th Jul 2025374 AMAQI
19th Jul 2025365 AMAQI
28°C24/32°C
19th Jul 2025366 AMAQI
19th Jul 2025367 AMAQI
19th Jul 2025358 AMAQI
19th Jul 2025339 AMAQI
19th Jul 20253310 AMAQI
19th Jul 20253411 AMAQI
19th Jul 20253412 PMAQI
19th Jul 2025341 PMAQI
19th Jul 2025352 PMAQI
19th Jul 2025343 PMAQI
19th Jul 2025354 PMAQI
19th Jul 2025345 PMAQI
19th Jul 2025356 PMAQI
19th Jul 2025357 PMAQI
19th Jul 2025338 PMAQI
19th Jul 2025349 PMAQI
19th Jul 20253410 PMAQI
19th Jul 20253411 PMAQI
20th Jul 20253212 AMAQI
20th Jul 2025281 AMAQI
20th Jul 2025282 AMAQI
20th Jul 2025293 AMAQI
20th Jul 2025324 AMAQI
20th Jul 2025325 AMAQI
27°C23/31°C
20th Jul 2025296 AMAQI
20th Jul 2025297 AMAQI
20th Jul 2025308 AMAQI
20th Jul 2025329 AMAQI
20th Jul 20253010 AMAQI
20th Jul 20252711 AMAQI
20th Jul 20252612 PMAQI
20th Jul 2025261 PMAQI
20th Jul 2025252 PMAQI
20th Jul 2025283 PMAQI
20th Jul 2025264 PMAQI
20th Jul 2025275 PMAQI
20th Jul 2025276 PMAQI
20th Jul 2025287 PMAQI
20th Jul 2025308 PMAQI
20th Jul 2025279 PMAQI
20th Jul 20252810 PMAQI
20th Jul 20252911 PMAQI
21st Jul 20253012 AMAQI
21st Jul 2025301 AMAQI
21st Jul 2025292 AMAQI
21st Jul 2025273 AMAQI
21st Jul 2025264 AMAQI
21st Jul 2025285 AMAQI
29°C24/36°C
21st Jul 2025286 AMAQI
21st Jul 2025287 AMAQI
21st Jul 2025308 AMAQI
21st Jul 2025309 AMAQI
21st Jul 20253010 AMAQI
21st Jul 20253011 AMAQI
21st Jul 20252912 PMAQI
21st Jul 2025271 PMAQI
21st Jul 2025242 PMAQI
21st Jul 2025253 PMAQI
21st Jul 2025304 PMAQI
21st Jul 2025285 PMAQI
21st Jul 2025306 PMAQI
21st Jul 2025307 PMAQI
21st Jul 2025308 PMAQI
21st Jul 2025319 PMAQI
21st Jul 20253110 PMAQI
21st Jul 20253411 PMAQI
22nd Jul 20252812 AMAQI
22nd Jul 2025221 AMAQI
22nd Jul 2025192 AMAQI
22nd Jul 2025183 AMAQI
22nd Jul 2025174 AMAQI
22nd Jul 2025195 AMAQI
27°C22/32°C
22nd Jul 2025226 AMAQI
22nd Jul 2025337 AMAQI
22nd Jul 2025328 AMAQI
22nd Jul 2025249 AMAQI
22nd Jul 20252410 AMAQI
22nd Jul 20252411 AMAQI
22nd Jul 20253112 PMAQI
22nd Jul 2025521 PMAQI
22nd Jul 2025532 PMAQI
22nd Jul 2025483 PMAQI
22nd Jul 2025484 PMAQI
22nd Jul 2025495 PMAQI
22nd Jul 2025476 PMAQI
22nd Jul 2025377 PMAQI
22nd Jul 2025368 PMAQI
22nd Jul 2025479 PMAQI
22nd Jul 20255010 PMAQI
22nd Jul 20255211 PMAQI
23rd Jul 20255312 AMAQI
23rd Jul 2025611 AMAQI
23rd Jul 2025592 AMAQI
23rd Jul 2025573 AMAQI
23rd Jul 2025564 AMAQI
23rd Jul 2025575 AMAQI
26°C18/33°C
23rd Jul 2025576 AMAQI
23rd Jul 2025587 AMAQI
23rd Jul 2025558 AMAQI
23rd Jul 2025559 AMAQI
23rd Jul 20255510 AMAQI
23rd Jul 20255211 AMAQI
23rd Jul 20255412 PMAQI
23rd Jul 2025581 PMAQI
23rd Jul 2025572 PMAQI
23rd Jul 2025583 PMAQI
23rd Jul 2025584 PMAQI
23rd Jul 2025585 PMAQI
23rd Jul 2025576 PMAQI
23rd Jul 2025567 PMAQI
23rd Jul 2025578 PMAQI
23rd Jul 2025579 PMAQI
23rd Jul 20255610 PMAQI
23rd Jul 20255611 PMAQI
24th Jul 20255612 AMAQI
24th Jul 2025481 AMAQI
24th Jul 2025452 AMAQI
24th Jul 2025433 AMAQI
24th Jul 2025404 AMAQI
24th Jul 2025405 AMAQI
26°C22/31°C
24th Jul 2025416 AMAQI
24th Jul 2025447 AMAQI
24th Jul 2025468 AMAQI
24th Jul 2025449 AMAQI
24th Jul 20254410 AMAQI
24th Jul 20254411 AMAQI
24th Jul 20254612 PMAQI
24th Jul 2025461 PMAQI
24th Jul 2025472 PMAQI
24th Jul 2025483 PMAQI
24th Jul 2025484 PMAQI
24th Jul 2025465 PMAQI
24th Jul 2025476 PMAQI
24th Jul 2025467 PMAQI
24th Jul 2025478 PMAQI
24th Jul 2025489 PMAQI
24th Jul 20254810 PMAQI
24th Jul 20254711 PMAQI
25th Jul 20254812 AMAQI
25th Jul 2025491 AMAQI
25th Jul 2025482 AMAQI
25th Jul 2025503 AMAQI
25th Jul 2025504 AMAQI
25th Jul 2025495 AMAQI
27°C21/35°C
25th Jul 2025506 AMAQI
25th Jul 2025507 AMAQI
25th Jul 2025518 AMAQI
25th Jul 2025529 AMAQI
25th Jul 20255010 AMAQI
25th Jul 20255111 AMAQI
25th Jul 20255212 PMAQI
25th Jul 2025531 PMAQI
25th Jul 2025532 PMAQI
25th Jul 2025523 PMAQI
25th Jul 2025534 PMAQI
25th Jul 2025515 PMAQI
25th Jul 2025476 PMAQI
25th Jul 2025507 PMAQI
25th Jul 2025498 PMAQI
25th Jul 2025449 PMAQI
25th Jul 20254410 PMAQI
25th Jul 20254411 PMAQI
26th Jul 20254012 AMAQI
26th Jul 2025351 AMAQI
26th Jul 2025362 AMAQI
26th Jul 2025363 AMAQI
26th Jul 2025364 AMAQI
26th Jul 2025395 AMAQI
31°C23/39°C
26th Jul 2025396 AMAQI
26th Jul 2025407 AMAQI
26th Jul 2025428 AMAQI
26th Jul 2025439 AMAQI
26th Jul 20254110 AMAQI
26th Jul 20254011 AMAQI
26th Jul 20254012 PMAQI
26th Jul 2025391 PMAQI
26th Jul 2025392 PMAQI
26th Jul 2025383 PMAQI
26th Jul 2025384 PMAQI
26th Jul 2025385 PMAQI
26th Jul 2025386 PMAQI
26th Jul 2025387 PMAQI
26th Jul 2025388 PMAQI
26th Jul 2025389 PMAQI
26th Jul 20253810 PMAQI
26th Jul 20253811 PMAQI
27th Jul 20253812 AMAQI
27th Jul 2025381 AMAQI
27th Jul 2025362 AMAQI
27th Jul 2025343 AMAQI
27th Jul 2025364 AMAQI
27th Jul 2025355 AMAQI
31°C23/38°C
27th Jul 2025396 AMAQI
27th Jul 2025387 AMAQI
27th Jul 2025398 AMAQI
27th Jul 2025389 AMAQI
27th Jul 20254010 AMAQI
27th Jul 20253811 AMAQI
27th Jul 20253712 PMAQI
27th Jul 2025361 PMAQI
27th Jul 2025342 PMAQI
27th Jul 2025343 PMAQI
27th Jul 2025314 PMAQI
27th Jul 2025345 PMAQI
27th Jul 2025326 PMAQI
27th Jul 2025367 PMAQI
27th Jul 2025378 PMAQI
27th Jul 2025339 PMAQI
27th Jul 20253410 PMAQI
27th Jul 20253311 PMAQI
28th Jul 20252812 AMAQI
28th Jul 2025221 AMAQI
28th Jul 2025252 AMAQI
28th Jul 2025263 AMAQI
28th Jul 2025274 AMAQI
28th Jul 2025285 AMAQI
29°C26/36°C
28th Jul 2025316 AMAQI
28th Jul 2025327 AMAQI
28th Jul 2025338 AMAQI
28th Jul 2025329 AMAQI
28th Jul 20253310 AMAQI
28th Jul 20253411 AMAQI
28th Jul 20253612 PMAQI
28th Jul 2025361 PMAQI
28th Jul 2025342 PMAQI
28th Jul 2025363 PMAQI
28th Jul 2025364 PMAQI
28th Jul 2025365 PMAQI
28th Jul 2025366 PMAQI
28th Jul 2025337 PMAQI
28th Jul 2025358 PMAQI
28th Jul 2025369 PMAQI
28th Jul 20253610 PMAQI
28th Jul 20253811 PMAQI
29th Jul 20254212 AMAQI
29th Jul 2025391 AMAQI
29th Jul 2025402 AMAQI
29th Jul 2025383 AMAQI
29th Jul 2025394 AMAQI
29th Jul 2025435 AMAQI
30°C23/37°C
29th Jul 2025476 AMAQI
29th Jul 2025527 AMAQI
29th Jul 2025518 AMAQI
29th Jul 2025479 AMAQI
29th Jul 20254610 AMAQI
29th Jul 20254611 AMAQI
29th Jul 20254612 PMAQI
29th Jul 2025441 PMAQI
29th Jul 2025452 PMAQI
29th Jul 2025463 PMAQI
29th Jul 2025484 PMAQI
29th Jul 2025475 PMAQI
29th Jul 2025476 PMAQI
29th Jul 2025477 PMAQI
29th Jul 2025458 PMAQI
29th Jul 2025439 PMAQI
29th Jul 20254510 PMAQI
29th Jul 20254511 PMAQI
30th Jul 20254612 AMAQI
30th Jul 2025451 AMAQI
30th Jul 2025442 AMAQI
30th Jul 2025443 AMAQI
30th Jul 2025454 AMAQI
30th Jul 2025445 AMAQI
31°C23/38°C
30th Jul 2025456 AMAQI
30th Jul 2025467 AMAQI
30th Jul 2025468 AMAQI
30th Jul 2025469 AMAQI
30th Jul 20254810 AMAQI
30th Jul 20254911 AMAQI
30th Jul 20255112 PMAQI
30th Jul 2025521 PMAQI
30th Jul 2025602 PMAQI
30th Jul 2025603 PMAQI
30th Jul 2025604 PMAQI
30th Jul 2025605 PMAQI
30th Jul 2025606 PMAQI
30th Jul 2025607 PMAQI
30th Jul 2025608 PMAQI
30th Jul 2025509 PMAQI
30th Jul 20255010 PMAQI
30th Jul 20255011 PMAQI
31st Jul 20254812 AMAQI
31st Jul 2025411 AMAQI
31st Jul 2025402 AMAQI
31st Jul 2025423 AMAQI
31st Jul 2025424 AMAQI
31st Jul 2025435 AMAQI
31°C25/38°C
31st Jul 2025466 AMAQI
31st Jul 2025517 AMAQI
31st Jul 2025508 AMAQI
31st Jul 2025519 AMAQI
31st Jul 20255210 AMAQI
31st Jul 20255211 AMAQI
31st Jul 20255212 PMAQI
31st Jul 2025531 PMAQI
31st Jul 2025512 PMAQI
31st Jul 2025503 PMAQI
31st Jul 2025444 PMAQI
31st Jul 2025365 PMAQI
31st Jul 2025326 PMAQI
31st Jul 2025507 PMAQI
31st Jul 2025408 PMAQI
31st Jul 2025269 PMAQI
31st Jul 20253010 PMAQI
31st Jul 20253811 PMAQI
1st Aug 20254612 AMAQI
1st Aug 2025471 AMAQI
1st Aug 2025502 AMAQI
1st Aug 2025463 AMAQI
1st Aug 2025384 AMAQI
1st Aug 2025325 AMAQI
29°C21/34°C
1st Aug 2025276 AMAQI
1st Aug 2025257 AMAQI
1st Aug 2025258 AMAQI
1st Aug 2025259 AMAQI
1st Aug 20252510 AMAQI
1st Aug 20252611 AMAQI
1st Aug 20253012 PMAQI
1st Aug 2025301 PMAQI
1st Aug 2025302 PMAQI
1st Aug 2025303 PMAQI
1st Aug 2025314 PMAQI
1st Aug 2025315 PMAQI
1st Aug 2025346 PMAQI
1st Aug 2025307 PMAQI
1st Aug 2025308 PMAQI
1st Aug 2025319 PMAQI
1st Aug 20252910 PMAQI
1st Aug 20253011 PMAQI
2nd Aug 20253312 AMAQI
2nd Aug 2025311 AMAQI
2nd Aug 2025322 AMAQI
2nd Aug 2025333 AMAQI
2nd Aug 2025354 AMAQI
2nd Aug 2025375 AMAQI
21°C18/22°C
2nd Aug 2025346 AMAQI
2nd Aug 2025367 AMAQI
2nd Aug 2025368 AMAQI
2nd Aug 2025369 AMAQI
2nd Aug 20253310 AMAQI
2nd Aug 20253311 AMAQI
2nd Aug 20253412 PMAQI
2nd Aug 2025341 PMAQI
2nd Aug 2025362 PMAQI
2nd Aug 2025333 PMAQI
2nd Aug 2025334 PMAQI
2nd Aug 2025335 PMAQI
2nd Aug 2025336 PMAQI
2nd Aug 2025347 PMAQI
2nd Aug 2025368 PMAQI
2nd Aug 2025389 PMAQI
2nd Aug 20253910 PMAQI
2nd Aug 20254211 PMAQI
3rd Aug 20254412 AMAQI
3rd Aug 2025421 AMAQI
3rd Aug 2025412 AMAQI
3rd Aug 2025413 AMAQI
3rd Aug 2025404 AMAQI
3rd Aug 2025415 AMAQI
22°C16/27°C
3rd Aug 2025406 AMAQI
3rd Aug 2025407 AMAQI
3rd Aug 2025388 AMAQI
3rd Aug 2025369 AMAQI
3rd Aug 20253810 AMAQI
3rd Aug 20253811 AMAQI
3rd Aug 20253712 PMAQI
3rd Aug 2025361 PMAQI
3rd Aug 2025382 PMAQI
3rd Aug 2025363 PMAQI
3rd Aug 2025344 PMAQI
3rd Aug 2025365 PMAQI
3rd Aug 2025346 PMAQI
3rd Aug 2025397 PMAQI
3rd Aug 2025388 PMAQI
3rd Aug 2025389 PMAQI
3rd Aug 20253810 PMAQI
3rd Aug 20253911 PMAQI
4th Aug 20254112 AMAQI
4th Aug 2025411 AMAQI
4th Aug 2025422 AMAQI
4th Aug 2025403 AMAQI
4th Aug 2025404 AMAQI
4th Aug 2025415 AMAQI
23°C15/29°C
4th Aug 2025436 AMAQI
4th Aug 2025447 AMAQI
4th Aug 2025438 AMAQI
4th Aug 2025439 AMAQI
4th Aug 20254410 AMAQI
4th Aug 20254611 AMAQI
4th Aug 20255112 PMAQI
4th Aug 2025541 PMAQI
4th Aug 2025562 PMAQI
4th Aug 2025573 PMAQI
4th Aug 2025594 PMAQI
4th Aug 2025615 PMAQI
4th Aug 2025616 PMAQI
4th Aug 2025497 PMAQI
4th Aug 2025578 PMAQI
4th Aug 2025649 PMAQI
4th Aug 20256310 PMAQI
4th Aug 20256411 PMAQI
5th Aug 20256212 AMAQI
5th Aug 2025631 AMAQI
5th Aug 2025632 AMAQI
5th Aug 2025643 AMAQI
5th Aug 2025644 AMAQI
5th Aug 2025625 AMAQI
24°C14/33°C
5th Aug 2025666 AMAQI
5th Aug 2025647 AMAQI
5th Aug 2025648 AMAQI
5th Aug 2025659 AMAQI
5th Aug 20256410 AMAQI
5th Aug 20256511 AMAQI
5th Aug 20256412 PMAQI
5th Aug 2025641 PMAQI
5th Aug 2025682 PMAQI
5th Aug 2025733 PMAQI
5th Aug 2025764 PMAQI
5th Aug 2025775 PMAQI
5th Aug 2025746 PMAQI
5th Aug 2025657 PMAQI
5th Aug 2025698 PMAQI
5th Aug 2025709 PMAQI
5th Aug 20257210 PMAQI
5th Aug 20257111 PMAQI
6th Aug 20257012 AMAQI
6th Aug 2025711 AMAQI
6th Aug 2025702 AMAQI
6th Aug 2025713 AMAQI
6th Aug 2025704 AMAQI
6th Aug 2025675 AMAQI
24°C18/29°C
6th Aug 2025706 AMAQI
6th Aug 2025717 AMAQI
6th Aug 2025728 AMAQI
6th Aug 2025709 AMAQI
6th Aug 20257210 AMAQI
6th Aug 20256911 AMAQI
6th Aug 20256812 PMAQI
6th Aug 2025661 PMAQI
6th Aug 2025672 PMAQI
6th Aug 2025623 PMAQI
6th Aug 2025634 PMAQI
6th Aug 2025635 PMAQI
6th Aug 2025646 PMAQI
6th Aug 2025707 PMAQI
6th Aug 2025698 PMAQI
6th Aug 2025669 PMAQI
6th Aug 20256910 PMAQI
6th Aug 20257811 PMAQI
7th Aug 20257712 AMAQI
7th Aug 2025781 AMAQI
7th Aug 2025792 AMAQI
7th Aug 2025793 AMAQI
7th Aug 2025784 AMAQI
7th Aug 2025725 AMAQI
23°C22/26°C
7th Aug 2025756 AMAQI
7th Aug 2025727 AMAQI
7th Aug 2025648 AMAQI
7th Aug 2025609 AMAQI
7th Aug 20256010 AMAQI
7th Aug 20256411 AMAQI
7th Aug 20256712 PMAQI
7th Aug 2025701 PMAQI
7th Aug 2025722 PMAQI
7th Aug 2025753 PMAQI
7th Aug 2025764 PMAQI
7th Aug 2025785 PMAQI
7th Aug 2025826 PMAQI
7th Aug 2025757 PMAQI
7th Aug 2025748 PMAQI
7th Aug 2025769 PMAQI
7th Aug 20257510 PMAQI
7th Aug 20257611 PMAQI
8th Aug 20257712 AMAQI
8th Aug 2025781 AMAQI
8th Aug 2025782 AMAQI
8th Aug 2025763 AMAQI
8th Aug 2025794 AMAQI
8th Aug 2025755 AMAQI
24°C19/28°C
8th Aug 2025726 AMAQI
8th Aug 2025707 AMAQI
8th Aug 2025668 AMAQI
8th Aug 2025619 AMAQI
8th Aug 20255510 AMAQI
8th Aug 20255411 AMAQI
8th Aug 20255412 PMAQI
8th Aug 2025531 PMAQI
8th Aug 2025522 PMAQI
8th Aug 2025573 PMAQI
8th Aug 2025574 PMAQI
8th Aug 2025585 PMAQI
8th Aug 2025586 PMAQI
8th Aug 2025657 PMAQI
8th Aug 2025638 PMAQI
8th Aug 2025579 PMAQI
8th Aug 20255810 PMAQI
8th Aug 20255711 PMAQI
9th Aug 20254612 AMAQI
9th Aug 2025321 AMAQI
9th Aug 2025342 AMAQI
9th Aug 2025303 AMAQI
9th Aug 2025284 AMAQI
9th Aug 2025295 AMAQI
23°C18/31°C
9th Aug 2025306 AMAQI
6 AM9th Aug 2025347 AMAQI
9th Aug 2025328 AMAQI
9th Aug 2025349 AMAQI
9th Aug 20253210 AMAQI
9th Aug 20253111 AMAQI
9th Aug 20253112 PMAQI
9th Aug 2025321 PMAQI
1 PM9th Aug 2025342 PMAQI
9th Aug 2025363 PMAQI
9th Aug 2025334 PMAQI
9th Aug 2025345 PMAQI
9th Aug 2025336 PMAQI
9th Aug 2025337 PMAQI
9th Aug 2025338 PMAQI
8 PM9th Aug 2025329 PMAQI
9th Aug 20253210 PMAQI
9th Aug 20253311 PMAQI
1 AM
5 AM
24°C16/32°C
Day time
Avg. Highest Time
6 AM - 8 PM
41AQI
15 hours / Day
450 hours / Month
Avg. Lowest Time
6 AM - 8 PM
41AQI
15 hours / Day
450 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 PM (Avg. 41), while the lowest AQI was between 6 AM to 8 PM (Avg. 41).
Night time
Avg. Highest Time
12 AM - 11 PM
40AQI
9 hours / Day
270 hours / Month
Avg. Lowest Time
12 AM - 5 AM
40AQI
6 hours / Day
180 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 11 PM (Avg. 40), while the lowest AQI was between 12 AM to 5 AM (Avg. 40).
2025 Days Vs Air Quality
Ashburn, Virginia, United States
2025
90%
199
10%
21
0.4%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Good
199 DaysModerate
21 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 222 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
Ashburn, Virginia, 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
22AQI
22AQI
2nd January 2025
21AQI
21AQI
3rd January 2025
25AQI
25AQI
4th January 2025
21AQI
21AQI
5th January 2025
28AQI
28AQI
6th January 2025
33AQI
33AQI
7th January 2025
17AQI
17AQI
8th January 2025
22AQI
22AQI
9th January 2025
19AQI
19AQI
10th January 2025
36AQI
36AQI
11th January 2025
39AQI
39AQI
12th January 2025
41AQI
41AQI
13th January 2025
39AQI
39AQI
14th January 2025
29AQI
29AQI
15th January 2025
28AQI
28AQI
16th January 2025
37AQI
37AQI
17th January 2025
31AQI
31AQI
18th January 2025
39AQI
39AQI
19th January 2025
47AQI
47AQI
20th January 2025
22AQI
22AQI
21st January 2025
28AQI
28AQI
22nd January 2025
37AQI
37AQI
23rd January 2025
54AQI
54AQI
24th January 2025
54AQI
54AQI
25th January 2025
48AQI
48AQI
26th January 2025
32AQI
32AQI
27th January 2025
33AQI
33AQI
28th January 2025
23AQI
23AQI
29th January 2025
21AQI
21AQI
30th January 2025
24AQI
24AQI
31st January 2025
32AQI
32AQI
1st February 2025
22AQI
22AQI
2nd February 2025
21AQI
21AQI
3rd February 2025
34AQI
34AQI
4th February 2025
30AQI
30AQI
5th February 2025
23AQI
23AQI
6th February 2025
28AQI
28AQI
7th February 2025
23AQI
23AQI
8th February 2025
27AQI
27AQI
9th February 2025
27AQI
27AQI
10th February 2025
33AQI
33AQI
11th February 2025
35AQI
35AQI
12th February 2025
50AQI
50AQI
13th February 2025
24AQI
24AQI
14th February 2025
22AQI
22AQI
15th February 2025
23AQI
23AQI
16th February 2025
19AQI
19AQI
17th February 2025
19AQI
19AQI
18th February 2025
20AQI
20AQI
19th February 2025
31AQI
31AQI
20th February 2025
28AQI
28AQI
21st February 2025
24AQI
24AQI
22nd February 2025
33AQI
33AQI
23rd February 2025
32AQI
32AQI
24th February 2025
37AQI
37AQI
25th February 2025
30AQI
30AQI
26th February 2025
29AQI
29AQI
27th February 2025
37AQI
37AQI
28th February 2025
22AQI
22AQI
1st March 2025
22AQI
22AQI
2nd March 2025
21AQI
21AQI
3rd March 2025
31AQI
31AQI
4th March 2025
35AQI
35AQI
5th March 2025
20AQI
20AQI
6th March 2025
17AQI
17AQI
7th March 2025
23AQI
23AQI
8th March 2025
22AQI
22AQI
9th March 2025
24AQI
24AQI
10th March 2025
24AQI
24AQI
11th March 2025
30AQI
30AQI
12th March 2025
25AQI
25AQI
13th March 2025
38AQI
38AQI
14th March 2025
52AQI
52AQI
15th March 2025
46AQI
46AQI
16th March 2025
26AQI
26AQI
17th March 2025
19AQI
19AQI
18th March 2025
18AQI
18AQI
19th March 2025
25AQI
25AQI
20th March 2025
29AQI
29AQI
21st March 2025
16AQI
16AQI
22nd March 2025
20AQI
20AQI
23rd March 2025
19AQI
19AQI
24th March 2025
26AQI
26AQI
25th March 2025
18AQI
18AQI
26th March 2025
19AQI
19AQI
27th March 2025
21AQI
21AQI
28th March 2025
32AQI
32AQI
29th March 2025
57AQI
57AQI
30th March 2025
37AQI
37AQI
31st March 2025
26AQI
26AQI
1st April 2025
21AQI
21AQI
2nd April 2025
23AQI
23AQI
3rd April 2025
33AQI
33AQI
4th April 2025
27AQI
27AQI
5th April 2025
39AQI
39AQI
6th April 2025
41AQI
41AQI
7th April 2025
22AQI
22AQI
8th April 2025
24AQI
24AQI
9th April 2025
18AQI
18AQI
10th April 2025
22AQI
22AQI
11th April 2025
30AQI
30AQI
12th April 2025
28AQI
28AQI
13th April 2025
23AQI
23AQI
14th April 2025
31AQI
31AQI
15th April 2025
26AQI
26AQI
16th April 2025
17AQI
17AQI
17th April 2025
21AQI
21AQI
18th April 2025
37AQI
37AQI
19th April 2025
55AQI
55AQI
20th April 2025
40AQI
40AQI
21st April 2025
32AQI
32AQI
22nd April 2025
37AQI
37AQI
23rd April 2025
28AQI
28AQI
24th April 2025
57AQI
57AQI
25th April 2025
39AQI
39AQI
26th April 2025
39AQI
39AQI
27th April 2025
13AQI
13AQI
28th April 2025
17AQI
17AQI
29th April 2025
32AQI
32AQI
30th April 2025
29AQI
29AQI
1st May 2025
38AQI
38AQI
2nd May 2025
40AQI
40AQI
3rd May 2025
35AQI
35AQI
4th May 2025
23AQI
23AQI
5th May 2025
25AQI
25AQI
6th May 2025
21AQI
21AQI
7th May 2025
20AQI
20AQI
8th May 2025
31AQI
31AQI
9th May 2025
20AQI
20AQI
10th May 2025
19AQI
19AQI
11th May 2025
28AQI
28AQI
12th May 2025
32AQI
32AQI
13th May 2025
18AQI
18AQI
14th May 2025
24AQI
24AQI
15th May 2025
29AQI
29AQI
16th May 2025
47AQI
47AQI
17th May 2025
27AQI
27AQI
18th May 2025
16AQI
16AQI
19th May 2025
20AQI
20AQI
20th May 2025
19AQI
19AQI
21st May 2025
17AQI
17AQI
22nd May 2025
15AQI
15AQI
23rd May 2025
14AQI
14AQI
24th May 2025
14AQI
14AQI
25th May 2025
16AQI
16AQI
26th May 2025
19AQI
19AQI
27th May 2025
25AQI
25AQI
28th May 2025
18AQI
18AQI
29th May 2025
19AQI
19AQI
30th May 2025
29AQI
29AQI
31st May 2025
34AQI
34AQI
1st June 2025
19AQI
19AQI
2nd June 2025
23AQI
23AQI
3rd June 2025
26AQI
26AQI
4th June 2025
48AQI
48AQI
5th June 2025
58AQI
58AQI
6th June 2025
53AQI
53AQI
7th June 2025
38AQI
38AQI
8th June 2025
48AQI
48AQI
9th June 2025
43AQI
43AQI
10th June 2025
43AQI
43AQI
11th June 2025
58AQI
58AQI
12th June 2025
66AQI
66AQI
13th June 2025
69AQI
69AQI
14th June 2025
45AQI
45AQI
15th June 2025
40AQI
40AQI
16th June 2025
22AQI
22AQI
17th June 2025
22AQI
22AQI
18th June 2025
34AQI
34AQI
19th June 2025
25AQI
25AQI
20th June 2025
23AQI
23AQI
21st June 2025
36AQI
36AQI
22nd June 2025
39AQI
39AQI
23rd June 2025
51AQI
51AQI
24th June 2025
56AQI
56AQI
25th June 2025
55AQI
55AQI
26th June 2025
48AQI
48AQI
27th June 2025
38AQI
38AQI
28th June 2025
25AQI
25AQI
29th June 2025
33AQI
33AQI
30th June 2025
36AQI
36AQI
1st July 2025
45AQI
45AQI
2nd July 2025
28AQI
28AQI
3rd July 2025
40AQI
40AQI
4th July 2025
56AQI
56AQI
5th July 2025
102AQI
102AQI
6th July 2025
56AQI
56AQI
7th July 2025
37AQI
37AQI
8th July 2025
42AQI
42AQI
9th July 2025
34AQI
34AQI
10th July 2025
33AQI
33AQI
11th July 2025
41AQI
41AQI
12th July 2025
40AQI
40AQI
13th July 2025
33AQI
33AQI
14th July 2025
31AQI
31AQI
15th July 2025
26AQI
26AQI
16th July 2025
28AQI
28AQI
17th July 2025
26AQI
26AQI
18th July 2025
27AQI
27AQI
19th July 2025
34AQI
34AQI
20th July 2025
29AQI
29AQI
21st July 2025
29AQI
29AQI
22nd July 2025
34AQI
34AQI
23rd July 2025
57AQI
57AQI
24th July 2025
46AQI
46AQI
25th July 2025
49AQI
49AQI
26th July 2025
38AQI
38AQI
27th July 2025
36AQI
36AQI
28th July 2025
32AQI
32AQI
29th July 2025
44AQI
44AQI
30th July 2025
50AQI
50AQI
31st July 2025
43AQI
43AQI
1st August 2025
34AQI
34AQI
2nd August 2025
35AQI
35AQI
3rd August 2025
39AQI
39AQI
4th August 2025
50AQI
50AQI
5th August 2025
67AQI
67AQI
6th August 2025
69AQI
69AQI
7th August 2025
74AQI
74AQI
8th August 2025
65AQI
65AQI
9th August 2025
32AQI
32AQI
32AQI
28AQI
27AQI
30AQI
24AQI
41AQI
40AQI
52AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202533AQI
29
2
28
29
2
28
2
31
22
8
27
3
1
5
4
199
21
1
Highest AQI recorded in
August52AQI
Lowest AQI recorded in
May24AQI
202431AQI
27
4
24
5
31
27
3
31
26
3
30
1
25
6
30
31
30
28
3
340
25
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
November24AQI
202338AQI
30
1
24
4
29
2
27
3
23
8
12
13
2
2
1
22
8
1
26
5
29
1
30
1
25
4
23
8
300
58
3
2
1
Highest AQI recorded in
June71AQI
Lowest AQI recorded in
October25AQI
202232AQI
26
5
20
1
29
2
17
28
3
29
1
21
1
1
29
31
29
1
23
8
283
22
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
March29AQI
202134AQI
26
4
22
6
29
2
30
31
28
2
19
12
25
6
27
3
30
1
28
2
28
3
323
41
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
May26AQI
202030AQI
12
1
20
18
30
26
5
31
30
31
27
3
27
4
252
13
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 6 Years
Most Polluted Year Recorded
2023(Avg.)
38AQILeast Polluted Year Recorded
2020(Avg.)
30AQIAshburn's annual 2025 AQI (33) shows an average percentage change of -0.3% (improved AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (32), 2023 (38), 2024 (31).
