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+
November Air Quality Analysis
Ashburn, Virginia, United States
2021
2022
2023
2024
2025
AQI
.
Days
AQI Trends: Highest and Lowest
Highest AQI recorded on
24th Nov 2022
68AQILowest AQI recorded on
12th Nov 2024
12AQISame Day Analysis (18th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 28 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
Day & Night AQI Trend: 18th Nov - 19th Nov 2025
Ashburn, Virginia, United States
AQI
Day
Night
.
6 AM18th Nov 2025
5 PM
5 AM19th Nov 2025
Day time
Avg. Highest Time
11AM18th Nov
22AQI
Avg. Lowest Time
8AM18th Nov
17AQI
Night time
Avg. Highest Time
10PM18th Nov
28AQI
Avg. Lowest Time
8PM18th Nov
22AQI
In the last 24 hours,
Ashburn's AQI reached its highest point of 28 at 10 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 18th Nov and 19th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Ashburn, Virginia, United States
OctNov
20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th
Day
Night
20th Oct 2025226 AMAQI
20th Oct 2025227 AMAQI
20th Oct 2025218 AMAQI
20th Oct 2025229 AMAQI
20th Oct 20252310 AMAQI
20th Oct 20252211 AMAQI
20th Oct 20252312 PMAQI
20th Oct 2025251 PMAQI
20th Oct 2025242 PMAQI
20th Oct 2025253 PMAQI
20th Oct 2025264 PMAQI
20th Oct 2025255 PMAQI
20th Oct 2025316 PMAQI
20th Oct 2025257 PMAQI
20th Oct 2025218 PMAQI
20th Oct 2025199 PMAQI
20th Oct 20253010 PMAQI
20th Oct 20256411 PMAQI
21st Oct 20257412 AMAQI
21st Oct 2025761 AMAQI
21st Oct 2025732 AMAQI
21st Oct 2025643 AMAQI
21st Oct 2025994 AMAQI
21st Oct 20251115 AMAQI
14°C9/20°C
21st Oct 20251056 AMAQI
21st Oct 2025937 AMAQI
21st Oct 2025878 AMAQI
21st Oct 2025759 AMAQI
21st Oct 20256310 AMAQI
21st Oct 20255811 AMAQI
21st Oct 20255312 PMAQI
21st Oct 2025381 PMAQI
21st Oct 2025252 PMAQI
21st Oct 2025223 PMAQI
21st Oct 2025184 PMAQI
21st Oct 2025175 PMAQI
21st Oct 2025176 PMAQI
21st Oct 2025217 PMAQI
21st Oct 2025228 PMAQI
21st Oct 2025229 PMAQI
21st Oct 20252610 PMAQI
21st Oct 20252811 PMAQI
22nd Oct 20253212 AMAQI
22nd Oct 2025291 AMAQI
22nd Oct 2025282 AMAQI
22nd Oct 2025283 AMAQI
22nd Oct 2025244 AMAQI
22nd Oct 2025225 AMAQI
13°C5/22°C
22nd Oct 2025226 AMAQI
22nd Oct 2025227 AMAQI
22nd Oct 2025228 AMAQI
22nd Oct 2025229 AMAQI
22nd Oct 20252210 AMAQI
22nd Oct 20252211 AMAQI
22nd Oct 20252212 PMAQI
22nd Oct 2025181 PMAQI
22nd Oct 2025172 PMAQI
22nd Oct 2025123 PMAQI
22nd Oct 2025114 PMAQI
22nd Oct 2025115 PMAQI
22nd Oct 2025116 PMAQI
22nd Oct 2025117 PMAQI
22nd Oct 2025168 PMAQI
22nd Oct 2025179 PMAQI
22nd Oct 20252110 PMAQI
22nd Oct 20253511 PMAQI
23rd Oct 20252712 AMAQI
23rd Oct 2025221 AMAQI
23rd Oct 2025182 AMAQI
23rd Oct 2025173 AMAQI
23rd Oct 2025174 AMAQI
23rd Oct 2025175 AMAQI
13°C9/19°C
23rd Oct 2025176 AMAQI
23rd Oct 2025177 AMAQI
23rd Oct 2025178 AMAQI
23rd Oct 2025179 AMAQI
23rd Oct 20251710 AMAQI
23rd Oct 20251711 AMAQI
23rd Oct 20251212 PMAQI
23rd Oct 2025111 PMAQI
23rd Oct 2025112 PMAQI
23rd Oct 2025113 PMAQI
23rd Oct 2025114 PMAQI
23rd Oct 2025115 PMAQI
23rd Oct 2025166 PMAQI
23rd Oct 2025197 PMAQI
23rd Oct 2025268 PMAQI
23rd Oct 2025389 PMAQI
23rd Oct 20256610 PMAQI
23rd Oct 20257111 PMAQI
24th Oct 20256212 AMAQI
24th Oct 2025511 AMAQI
24th Oct 2025192 AMAQI
24th Oct 2025113 AMAQI
24th Oct 2025114 AMAQI
24th Oct 2025115 AMAQI
13°C7/20°C
24th Oct 2025116 AMAQI
24th Oct 2025117 AMAQI
24th Oct 2025118 AMAQI
24th Oct 2025119 AMAQI
24th Oct 20251110 AMAQI
24th Oct 20252011 AMAQI
24th Oct 20251812 PMAQI
24th Oct 2025171 PMAQI
24th Oct 2025262 PMAQI
24th Oct 2025233 PMAQI
24th Oct 2025184 PMAQI
24th Oct 2025175 PMAQI
24th Oct 2025176 PMAQI
24th Oct 2025127 PMAQI
24th Oct 2025118 PMAQI
24th Oct 2025169 PMAQI
24th Oct 20251710 PMAQI
24th Oct 20252111 PMAQI
25th Oct 20252212 AMAQI
25th Oct 2025221 AMAQI
25th Oct 2025222 AMAQI
25th Oct 2025223 AMAQI
25th Oct 2025224 AMAQI
25th Oct 2025225 AMAQI
9°C2/16°C
25th Oct 2025186 AMAQI
25th Oct 2025177 AMAQI
25th Oct 2025178 AMAQI
25th Oct 2025219 AMAQI
25th Oct 20251810 AMAQI
25th Oct 20251711 AMAQI
25th Oct 20251712 PMAQI
25th Oct 2025211 PMAQI
25th Oct 2025182 PMAQI
25th Oct 2025173 PMAQI
25th Oct 2025124 PMAQI
25th Oct 2025115 PMAQI
25th Oct 2025116 PMAQI
25th Oct 2025117 PMAQI
25th Oct 2025168 PMAQI
25th Oct 2025309 PMAQI
25th Oct 20253310 PMAQI
25th Oct 20254811 PMAQI
26th Oct 20254712 AMAQI
26th Oct 2025511 AMAQI
26th Oct 2025512 AMAQI
26th Oct 2025413 AMAQI
26th Oct 2025344 AMAQI
26th Oct 2025335 AMAQI
9°C2/16°C
26th Oct 2025336 AMAQI
26th Oct 2025297 AMAQI
26th Oct 2025328 AMAQI
26th Oct 2025339 AMAQI
26th Oct 20253810 AMAQI
26th Oct 20254411 AMAQI
26th Oct 20255012 PMAQI
26th Oct 2025451 PMAQI
26th Oct 2025352 PMAQI
26th Oct 2025203 PMAQI
26th Oct 2025174 PMAQI
26th Oct 2025175 PMAQI
26th Oct 2025176 PMAQI
26th Oct 2025177 PMAQI
26th Oct 2025178 PMAQI
26th Oct 2025419 PMAQI
26th Oct 20256110 PMAQI
26th Oct 20254411 PMAQI
27th Oct 20253912 AMAQI
27th Oct 2025481 AMAQI
27th Oct 2025522 AMAQI
27th Oct 2025463 AMAQI
27th Oct 2025404 AMAQI
27th Oct 2025395 AMAQI
10°C3/19°C
27th Oct 2025436 AMAQI
27th Oct 2025407 AMAQI
27th Oct 2025438 AMAQI
27th Oct 2025409 AMAQI
27th Oct 20254310 AMAQI
27th Oct 20254011 AMAQI
27th Oct 20253912 PMAQI
27th Oct 2025341 PMAQI
27th Oct 2025332 PMAQI
27th Oct 2025243 PMAQI
27th Oct 2025224 PMAQI
27th Oct 2025225 PMAQI
27th Oct 2025226 PMAQI
27th Oct 2025227 PMAQI
27th Oct 2025228 PMAQI
27th Oct 2025229 PMAQI
27th Oct 20252210 PMAQI
27th Oct 20252211 PMAQI
28th Oct 20252712 AMAQI
28th Oct 2025231 AMAQI
28th Oct 2025272 AMAQI
28th Oct 2025233 AMAQI
28th Oct 2025224 AMAQI
28th Oct 2025275 AMAQI
9°C2/17°C
28th Oct 2025236 AMAQI
28th Oct 2025277 AMAQI
28th Oct 2025328 AMAQI
28th Oct 2025389 AMAQI
28th Oct 20254810 AMAQI
28th Oct 20254511 AMAQI
28th Oct 20253512 PMAQI
28th Oct 2025241 PMAQI
28th Oct 2025182 PMAQI
28th Oct 2025173 PMAQI
28th Oct 2025174 PMAQI
28th Oct 2025175 PMAQI
28th Oct 2025176 PMAQI
28th Oct 2025177 PMAQI
28th Oct 2025178 PMAQI
28th Oct 2025179 PMAQI
28th Oct 20251710 PMAQI
28th Oct 20252111 PMAQI
29th Oct 20251812 AMAQI
29th Oct 2025171 AMAQI
29th Oct 2025172 AMAQI
29th Oct 2025173 AMAQI
29th Oct 2025174 AMAQI
29th Oct 2025175 AMAQI
10°C4/16°C
29th Oct 2025176 AMAQI
29th Oct 2025177 AMAQI
29th Oct 2025178 AMAQI
29th Oct 2025219 AMAQI
29th Oct 20252210 AMAQI
29th Oct 20252211 AMAQI
29th Oct 20252212 PMAQI
29th Oct 2025181 PMAQI
29th Oct 2025172 PMAQI
29th Oct 2025173 PMAQI
29th Oct 2025174 PMAQI
29th Oct 2025175 PMAQI
29th Oct 2025176 PMAQI
29th Oct 2025177 PMAQI
29th Oct 2025218 PMAQI
29th Oct 2025229 PMAQI
29th Oct 20252210 PMAQI
29th Oct 20252211 PMAQI
30th Oct 20252212 AMAQI
30th Oct 2025221 AMAQI
30th Oct 2025182 AMAQI
30th Oct 2025123 AMAQI
30th Oct 2025114 AMAQI
30th Oct 2025115 AMAQI
9°C6/12°C
30th Oct 2025146 AMAQI
30th Oct 2025137 AMAQI
30th Oct 2025128 AMAQI
30th Oct 2025169 AMAQI
30th Oct 20251510 AMAQI
30th Oct 20251911 AMAQI
30th Oct 20251312 PMAQI
30th Oct 2025111 PMAQI
30th Oct 2025112 PMAQI
30th Oct 2025163 PMAQI
30th Oct 2025214 PMAQI
30th Oct 2025225 PMAQI
30th Oct 2025226 PMAQI
30th Oct 2025187 PMAQI
30th Oct 2025138 PMAQI
30th Oct 2025119 PMAQI
30th Oct 20251110 PMAQI
30th Oct 20251611 PMAQI
31st Oct 20251712 AMAQI
31st Oct 2025121 AMAQI
31st Oct 2025112 AMAQI
31st Oct 2025113 AMAQI
31st Oct 2025154 AMAQI
31st Oct 2025125 AMAQI
10°C9/12°C
31st Oct 2025156 AMAQI
31st Oct 2025127 AMAQI
31st Oct 2025248 AMAQI
31st Oct 2025109 AMAQI
31st Oct 20251110 AMAQI
31st Oct 20251611 AMAQI
31st Oct 20251712 PMAQI
31st Oct 2025171 PMAQI
31st Oct 2025172 PMAQI
31st Oct 2025173 PMAQI
31st Oct 2025174 PMAQI
31st Oct 2025175 PMAQI
31st Oct 2025176 PMAQI
31st Oct 2025127 PMAQI
31st Oct 2025118 PMAQI
31st Oct 2025169 PMAQI
31st Oct 20251710 PMAQI
31st Oct 20251711 PMAQI
1st Nov 20251212 AMAQI
1st Nov 2025111 AMAQI
1st Nov 2025162 AMAQI
1st Nov 2025173 AMAQI
1st Nov 2025174 AMAQI
1st Nov 2025215 AMAQI
11°C7/15°C
1st Nov 2025186 AMAQI
1st Nov 2025217 AMAQI
1st Nov 2025228 AMAQI
1st Nov 2025229 AMAQI
1st Nov 20252210 AMAQI
1st Nov 20252211 AMAQI
1st Nov 20252612 PMAQI
1st Nov 2025321 PMAQI
1st Nov 2025292 PMAQI
1st Nov 2025283 PMAQI
1st Nov 2025234 PMAQI
1st Nov 2025225 PMAQI
1st Nov 2025226 PMAQI
1st Nov 2025227 PMAQI
1st Nov 2025188 PMAQI
1st Nov 2025219 PMAQI
1st Nov 20252710 PMAQI
1st Nov 20253211 PMAQI
2nd Nov 20253312 AMAQI
2nd Nov 2025481 AMAQI
2nd Nov 2025592 AMAQI
2nd Nov 2025613 AMAQI
2nd Nov 2025524 AMAQI
2nd Nov 2025455 AMAQI
12°C6/20°C
2nd Nov 2025446 AMAQI
2nd Nov 2025447 AMAQI
2nd Nov 2025448 AMAQI
2nd Nov 2025409 AMAQI
2nd Nov 20253910 AMAQI
2nd Nov 20254311 AMAQI
2nd Nov 20254012 PMAQI
2nd Nov 2025341 PMAQI
2nd Nov 2025242 PMAQI
2nd Nov 2025223 PMAQI
2nd Nov 2025224 PMAQI
2nd Nov 2025225 PMAQI
2nd Nov 2025226 PMAQI
2nd Nov 2025227 PMAQI
2nd Nov 2025228 PMAQI
2nd Nov 2025229 PMAQI
2nd Nov 20252210 PMAQI
2nd Nov 20253111 PMAQI
3rd Nov 20253812 AMAQI
3rd Nov 2025341 AMAQI
3rd Nov 2025352 AMAQI
3rd Nov 2025393 AMAQI
3rd Nov 2025394 AMAQI
3rd Nov 2025395 AMAQI
12°C5/21°C
3rd Nov 2025396 AMAQI
3rd Nov 2025437 AMAQI
3rd Nov 2025448 AMAQI
3rd Nov 2025449 AMAQI
3rd Nov 20254410 AMAQI
3rd Nov 20254811 AMAQI
3rd Nov 20255412 PMAQI
3rd Nov 2025511 PMAQI
3rd Nov 2025412 PMAQI
3rd Nov 2025343 PMAQI
3rd Nov 2025294 PMAQI
3rd Nov 2025325 PMAQI
3rd Nov 2025296 PMAQI
3rd Nov 2025237 PMAQI
3rd Nov 2025228 PMAQI
3rd Nov 2025229 PMAQI
3rd Nov 20252210 PMAQI
3rd Nov 20252211 PMAQI
4th Nov 20252212 AMAQI
4th Nov 2025221 AMAQI
4th Nov 2025222 AMAQI
4th Nov 2025223 AMAQI
4th Nov 2025224 AMAQI
4th Nov 2025185 AMAQI
13°C8/22°C
4th Nov 2025176 AMAQI
4th Nov 2025177 AMAQI
4th Nov 2025178 AMAQI
4th Nov 2025179 AMAQI
4th Nov 20251710 AMAQI
4th Nov 20251711 AMAQI
4th Nov 20251712 PMAQI
4th Nov 2025131 PMAQI
4th Nov 2025112 PMAQI
4th Nov 2025113 PMAQI
4th Nov 2025114 PMAQI
4th Nov 2025115 PMAQI
4th Nov 2025116 PMAQI
4th Nov 2025117 PMAQI
4th Nov 2025168 PMAQI
4th Nov 2025179 PMAQI
4th Nov 20251710 PMAQI
4th Nov 20251211 PMAQI
5th Nov 20251612 AMAQI
5th Nov 2025171 AMAQI
5th Nov 2025172 AMAQI
5th Nov 2025173 AMAQI
5th Nov 2025174 AMAQI
5th Nov 2025175 AMAQI
12°C6/20°C
5th Nov 2025176 AMAQI
5th Nov 2025217 AMAQI
5th Nov 2025228 AMAQI
5th Nov 2025229 AMAQI
5th Nov 20253010 AMAQI
5th Nov 20253311 AMAQI
5th Nov 20252612 PMAQI
5th Nov 2025221 PMAQI
5th Nov 2025222 PMAQI
5th Nov 2025223 PMAQI
5th Nov 2025274 PMAQI
5th Nov 2025325 PMAQI
5th Nov 2025336 PMAQI
5th Nov 2025297 PMAQI
5th Nov 2025328 PMAQI
5th Nov 2025339 PMAQI
5th Nov 20253310 PMAQI
5th Nov 20253811 PMAQI
6th Nov 20254312 AMAQI
6th Nov 2025401 AMAQI
6th Nov 2025432 AMAQI
6th Nov 2025343 AMAQI
6th Nov 2025254 AMAQI
6th Nov 2025185 AMAQI
14°C4/26°C
6th Nov 2025106 AMAQI
6th Nov 2025107 AMAQI
6th Nov 2025208 AMAQI
6th Nov 2025129 AMAQI
6th Nov 20251710 AMAQI
6th Nov 20251711 AMAQI
6th Nov 20251212 PMAQI
6th Nov 2025111 PMAQI
6th Nov 2025112 PMAQI
6th Nov 2025113 PMAQI
6th Nov 2025114 PMAQI
6th Nov 2025115 PMAQI
6th Nov 2025116 PMAQI
6th Nov 2025117 PMAQI
6th Nov 2025168 PMAQI
6th Nov 2025179 PMAQI
6th Nov 20252310 PMAQI
6th Nov 20253111 PMAQI
7th Nov 20254812 AMAQI
7th Nov 2025421 AMAQI
7th Nov 2025262 AMAQI
7th Nov 2025223 AMAQI
7th Nov 2025314 AMAQI
7th Nov 2025445 AMAQI
12°C6/18°C
7th Nov 2025546 AMAQI
7th Nov 2025407 AMAQI
7th Nov 2025338 AMAQI
7th Nov 2025339 AMAQI
7th Nov 20253310 AMAQI
7th Nov 20253311 AMAQI
7th Nov 20252512 PMAQI
7th Nov 2025221 PMAQI
7th Nov 2025262 PMAQI
7th Nov 2025323 PMAQI
7th Nov 2025384 PMAQI
7th Nov 2025435 PMAQI
7th Nov 2025446 PMAQI
7th Nov 2025447 PMAQI
7th Nov 2025518 PMAQI
7th Nov 2025559 PMAQI
7th Nov 20255410 PMAQI
7th Nov 20255111 PMAQI
8th Nov 20255212 AMAQI
8th Nov 2025551 AMAQI
8th Nov 2025552 AMAQI
8th Nov 2025553 AMAQI
8th Nov 2025554 AMAQI
8th Nov 2025565 AMAQI
11°C0/21°C
8th Nov 2025576 AMAQI
8th Nov 2025577 AMAQI
8th Nov 2025568 AMAQI
8th Nov 2025569 AMAQI
8th Nov 20255810 AMAQI
8th Nov 20255611 AMAQI
8th Nov 20255112 PMAQI
8th Nov 2025421 PMAQI
8th Nov 2025342 PMAQI
8th Nov 2025293 PMAQI
8th Nov 2025284 PMAQI
8th Nov 2025265 PMAQI
8th Nov 2025226 PMAQI
8th Nov 2025227 PMAQI
8th Nov 2025228 PMAQI
8th Nov 2025269 PMAQI
8th Nov 20253210 PMAQI
8th Nov 20253811 PMAQI
9th Nov 20253912 AMAQI
9th Nov 2025471 AMAQI
9th Nov 2025542 AMAQI
9th Nov 2025563 AMAQI
9th Nov 2025554 AMAQI
9th Nov 2025565 AMAQI
16°C11/24°C
9th Nov 2025556 AMAQI
9th Nov 2025567 AMAQI
9th Nov 2025568 AMAQI
9th Nov 2025579 AMAQI
9th Nov 20255710 AMAQI
9th Nov 20255611 AMAQI
9th Nov 20256012 PMAQI
9th Nov 2025671 PMAQI
9th Nov 2025692 PMAQI
9th Nov 2025643 PMAQI
9th Nov 2025644 PMAQI
9th Nov 2025645 PMAQI
9th Nov 2025636 PMAQI
9th Nov 2025647 PMAQI
9th Nov 2025688 PMAQI
9th Nov 2025629 PMAQI
9th Nov 20253510 PMAQI
9th Nov 20252211 PMAQI
10th Nov 20252612 AMAQI
10th Nov 2025281 AMAQI
10th Nov 2025282 AMAQI
10th Nov 2025203 AMAQI
10th Nov 2025124 AMAQI
10th Nov 202585 AMAQI
14°C7/23°C
10th Nov 2025106 AMAQI
10th Nov 202597 AMAQI
10th Nov 202598 AMAQI
10th Nov 2025159 AMAQI
10th Nov 20251610 AMAQI
10th Nov 20251411 AMAQI
10th Nov 20251412 PMAQI
10th Nov 2025251 PMAQI
10th Nov 2025202 PMAQI
10th Nov 2025123 PMAQI
10th Nov 2025114 PMAQI
10th Nov 2025105 PMAQI
10th Nov 2025106 PMAQI
10th Nov 2025117 PMAQI
10th Nov 2025158 PMAQI
10th Nov 2025119 PMAQI
10th Nov 20251110 PMAQI
10th Nov 20251111 PMAQI
11th Nov 20251112 AMAQI
11th Nov 2025161 AMAQI
11th Nov 2025172 AMAQI
11th Nov 2025123 AMAQI
11th Nov 2025114 AMAQI
11th Nov 2025115 AMAQI
7°C2/11°C
11th Nov 2025116 AMAQI
11th Nov 2025117 AMAQI
11th Nov 2025118 AMAQI
11th Nov 2025119 AMAQI
11th Nov 20251110 AMAQI
11th Nov 20251111 AMAQI
11th Nov 20251112 PMAQI
11th Nov 2025161 PMAQI
11th Nov 2025172 PMAQI
11th Nov 2025123 PMAQI
11th Nov 2025114 PMAQI
11th Nov 2025115 PMAQI
11th Nov 2025116 PMAQI
11th Nov 2025117 PMAQI
11th Nov 2025118 PMAQI
11th Nov 2025199 PMAQI
11th Nov 20252610 PMAQI
11th Nov 20253211 PMAQI
12th Nov 20252512 AMAQI
12th Nov 2025221 AMAQI
12th Nov 2025182 AMAQI
12th Nov 2025173 AMAQI
12th Nov 2025294 AMAQI
12th Nov 2025335 AMAQI
2°C-3/8°C
12th Nov 2025296 AMAQI
12th Nov 2025207 AMAQI
12th Nov 2025178 AMAQI
12th Nov 2025179 AMAQI
12th Nov 20251710 AMAQI
12th Nov 20252111 AMAQI
12th Nov 20252212 PMAQI
12th Nov 2025221 PMAQI
12th Nov 2025222 PMAQI
12th Nov 2025223 PMAQI
12th Nov 2025184 PMAQI
12th Nov 2025175 PMAQI
12th Nov 2025176 PMAQI
12th Nov 2025217 PMAQI
12th Nov 2025228 PMAQI
12th Nov 2025229 PMAQI
12th Nov 20252210 PMAQI
12th Nov 20252211 PMAQI
13th Nov 20252212 AMAQI
13th Nov 2025181 AMAQI
13th Nov 2025172 AMAQI
13th Nov 2025173 AMAQI
13th Nov 2025174 AMAQI
13th Nov 2025175 AMAQI
9°C1/19°C
13th Nov 2025176 AMAQI
13th Nov 2025177 AMAQI
13th Nov 2025178 AMAQI
13th Nov 2025179 AMAQI
13th Nov 20251710 AMAQI
13th Nov 20251711 AMAQI
13th Nov 20251612 PMAQI
13th Nov 2025171 PMAQI
13th Nov 2025172 PMAQI
13th Nov 2025173 PMAQI
13th Nov 2025174 PMAQI
13th Nov 2025125 PMAQI
13th Nov 2025116 PMAQI
13th Nov 2025117 PMAQI
13th Nov 2025118 PMAQI
13th Nov 2025169 PMAQI
13th Nov 20251710 PMAQI
13th Nov 20252111 PMAQI
14th Nov 20251812 AMAQI
14th Nov 2025121 AMAQI
14th Nov 2025162 AMAQI
14th Nov 2025173 AMAQI
14th Nov 2025174 AMAQI
14th Nov 2025175 AMAQI
9°C3/17°C
14th Nov 2025176 AMAQI
14th Nov 2025177 AMAQI
14th Nov 2025178 AMAQI
14th Nov 2025219 AMAQI
14th Nov 20251810 AMAQI
14th Nov 20251711 AMAQI
14th Nov 20252112 PMAQI
14th Nov 2025221 PMAQI
14th Nov 2025222 PMAQI
14th Nov 2025223 PMAQI
14th Nov 2025224 PMAQI
14th Nov 2025225 PMAQI
14th Nov 2025186 PMAQI
14th Nov 2025207 PMAQI
14th Nov 2025228 PMAQI
14th Nov 2025319 PMAQI
14th Nov 20254110 PMAQI
14th Nov 20254011 PMAQI
15th Nov 20253912 AMAQI
15th Nov 2025341 AMAQI
15th Nov 2025382 AMAQI
15th Nov 2025393 AMAQI
15th Nov 2025394 AMAQI
15th Nov 2025345 AMAQI
8°C0/16°C
15th Nov 2025336 AMAQI
15th Nov 2025387 AMAQI
15th Nov 2025398 AMAQI
15th Nov 2025399 AMAQI
15th Nov 20253910 AMAQI
15th Nov 20253911 AMAQI
15th Nov 20254312 PMAQI
15th Nov 2025441 PMAQI
15th Nov 2025442 PMAQI
15th Nov 2025353 PMAQI
15th Nov 2025384 PMAQI
15th Nov 2025345 PMAQI
15th Nov 2025336 PMAQI
15th Nov 2025387 PMAQI
15th Nov 2025398 PMAQI
15th Nov 2025489 PMAQI
15th Nov 20255410 PMAQI
15th Nov 20255611 PMAQI
16th Nov 20255412 AMAQI
16th Nov 2025511 AMAQI
16th Nov 2025462 AMAQI
16th Nov 2025443 AMAQI
16th Nov 2025444 AMAQI
16th Nov 2025445 AMAQI
12°C4/20°C
16th Nov 2025406 AMAQI
16th Nov 2025347 AMAQI
16th Nov 2025338 AMAQI
16th Nov 2025339 AMAQI
16th Nov 20252910 AMAQI
16th Nov 20252011 AMAQI
16th Nov 20251712 PMAQI
16th Nov 2025171 PMAQI
16th Nov 2025172 PMAQI
16th Nov 2025173 PMAQI
16th Nov 2025174 PMAQI
16th Nov 2025175 PMAQI
16th Nov 2025176 PMAQI
16th Nov 2025177 PMAQI
16th Nov 2025178 PMAQI
16th Nov 2025179 PMAQI
16th Nov 20251210 PMAQI
16th Nov 20251111 PMAQI
17th Nov 20251112 AMAQI
17th Nov 2025111 AMAQI
17th Nov 2025112 AMAQI
17th Nov 2025113 AMAQI
17th Nov 2025114 AMAQI
17th Nov 2025115 AMAQI
13°C4/17°C
17th Nov 2025116 AMAQI
17th Nov 2025117 AMAQI
17th Nov 2025118 AMAQI
17th Nov 2025169 AMAQI
17th Nov 20251710 AMAQI
17th Nov 20251711 AMAQI
17th Nov 20251712 PMAQI
17th Nov 2025121 PMAQI
17th Nov 2025112 PMAQI
17th Nov 2025113 PMAQI
17th Nov 2025114 PMAQI
17th Nov 2025115 PMAQI
17th Nov 2025136 PMAQI
17th Nov 2025147 PMAQI
17th Nov 2025318 PMAQI
17th Nov 2025409 PMAQI
17th Nov 20256210 PMAQI
17th Nov 20257811 PMAQI
18th Nov 20257712 AMAQI
18th Nov 2025541 AMAQI
18th Nov 2025322 AMAQI
18th Nov 2025233 AMAQI
18th Nov 2025184 AMAQI
18th Nov 2025175 AMAQI
7°C3/13°C
18th Nov 2025176 AMAQI
18th Nov 2025177 AMAQI
18th Nov 2025178 AMAQI
18th Nov 2025189 AMAQI
18th Nov 20252110 AMAQI
18th Nov 20252211 AMAQI
18th Nov 20252212 PMAQI
18th Nov 2025221 PMAQI
18th Nov 2025222 PMAQI
18th Nov 2025223 PMAQI
18th Nov 2025224 PMAQI
18th Nov 2025225 PMAQI
18th Nov 2025226 PMAQI
18th Nov 2025227 PMAQI
18th Nov 2025228 PMAQI
18th Nov 2025279 PMAQI
18th Nov 20252810 PMAQI
18th Nov 20252811 PMAQI
19th Nov 20252812 AMAQI
5°C-3/12°C
6 AM
11 AM
5 PM
11 PM
5 AM
--°C/°C
Day time
Avg. Highest Time
6 AM
28AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
3 PM - 5 PM
21AQI
3 hours / Day
90 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 6 AM to 6 AM (Avg. 28), while the lowest AQI was between 3 PM to 5 PM (Avg. 21).
Night time
Avg. Highest Time
12 AM
33AQI
1 hours / Day
30 hours / Month
Avg. Lowest Time
6 PM - 7 PM
21AQI
2 hours / Day
60 hours / Month
In the last 30 days, during the daytime, the highest AQI was between 12 AM to 12 AM (Avg. 33), while the lowest AQI was between 6 PM to 7 PM (Avg. 21).
2025 Days Vs Air Quality
Ashburn, Virginia, United States
2025
92%
296
8%
25
0.3%
1
Total number of days with different AQI categories in last 323 days in 2025 (42 days remaining)
Good
296 DaysModerate
25 DaysPoor
1 DaysUnhealthy
0 DaysSevere
0 DaysHazardous
0 DaysUnder WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 323 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.
-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
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
33AQI
33AQI
10th August 2025
32AQI
32AQI
11th August 2025
36AQI
36AQI
12th August 2025
27AQI
27AQI
13th August 2025
24AQI
24AQI
14th August 2025
25AQI
25AQI
15th August 2025
41AQI
41AQI
16th August 2025
46AQI
46AQI
17th August 2025
47AQI
47AQI
18th August 2025
31AQI
31AQI
19th August 2025
22AQI
22AQI
20th August 2025
19AQI
19AQI
21st August 2025
21AQI
21AQI
22nd August 2025
22AQI
22AQI
23rd August 2025
28AQI
28AQI
24th August 2025
29AQI
29AQI
25th August 2025
25AQI
25AQI
26th August 2025
19AQI
19AQI
27th August 2025
21AQI
21AQI
28th August 2025
23AQI
23AQI
29th August 2025
26AQI
26AQI
30th August 2025
19AQI
19AQI
31st August 2025
26AQI
26AQI
1st September 2025
26AQI
26AQI
2nd September 2025
23AQI
23AQI
3rd September 2025
33AQI
33AQI
4th September 2025
32AQI
32AQI
5th September 2025
37AQI
37AQI
6th September 2025
51AQI
51AQI
7th September 2025
33AQI
33AQI
8th September 2025
21AQI
21AQI
9th September 2025
22AQI
22AQI
10th September 2025
22AQI
22AQI
11th September 2025
22AQI
22AQI
12th September 2025
29AQI
29AQI
13th September 2025
37AQI
37AQI
14th September 2025
45AQI
45AQI
15th September 2025
51AQI
51AQI
16th September 2025
38AQI
38AQI
17th September 2025
25AQI
25AQI
18th September 2025
28AQI
28AQI
19th September 2025
41AQI
41AQI
20th September 2025
37AQI
37AQI
21st September 2025
34AQI
34AQI
22nd September 2025
27AQI
27AQI
23rd September 2025
42AQI
42AQI
24th September 2025
39AQI
39AQI
25th September 2025
41AQI
41AQI
26th September 2025
25AQI
25AQI
27th September 2025
33AQI
33AQI
28th September 2025
32AQI
32AQI
29th September 2025
26AQI
26AQI
30th September 2025
30AQI
30AQI
1st October 2025
40AQI
40AQI
2nd October 2025
32AQI
32AQI
3rd October 2025
24AQI
24AQI
4th October 2025
34AQI
34AQI
5th October 2025
46AQI
46AQI
6th October 2025
44AQI
44AQI
7th October 2025
26AQI
26AQI
8th October 2025
19AQI
19AQI
9th October 2025
22AQI
22AQI
10th October 2025
18AQI
18AQI
11th October 2025
19AQI
19AQI
12th October 2025
24AQI
24AQI
13th October 2025
26AQI
26AQI
14th October 2025
18AQI
18AQI
15th October 2025
24AQI
24AQI
16th October 2025
21AQI
21AQI
17th October 2025
20AQI
20AQI
18th October 2025
40AQI
40AQI
19th October 2025
38AQI
38AQI
20th October 2025
26AQI
26AQI
21st October 2025
53AQI
53AQI
22nd October 2025
21AQI
21AQI
23rd October 2025
23AQI
23AQI
24th October 2025
19AQI
19AQI
25th October 2025
21AQI
21AQI
26th October 2025
36AQI
36AQI
27th October 2025
34AQI
34AQI
28th October 2025
24AQI
24AQI
29th October 2025
19AQI
19AQI
30th October 2025
15AQI
15AQI
31st October 2025
15AQI
15AQI
1st November 2025
22AQI
22AQI
2nd November 2025
36AQI
36AQI
3rd November 2025
35AQI
35AQI
4th November 2025
17AQI
17AQI
5th November 2025
25AQI
25AQI
6th November 2025
21AQI
21AQI
7th November 2025
39AQI
39AQI
8th November 2025
43AQI
43AQI
9th November 2025
56AQI
56AQI
10th November 2025
15AQI
15AQI
11th November 2025
14AQI
14AQI
12th November 2025
22AQI
22AQI
13th November 2025
16AQI
16AQI
14th November 2025
21AQI
21AQI
15th November 2025
40AQI
40AQI
16th November 2025
28AQI
28AQI
17th November 2025
20AQI
20AQI
18th November 2025
28AQI
28AQI
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025
32AQI
28AQI
27AQI
30AQI
24AQI
41AQI
40AQI
35AQI
33AQI
27AQI
28AQI
No. of days
Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days
202531AQI
29
2
28
29
2
28
2
31
22
8
27
3
1
27
4
28
2
30
1
17
1
296
25
1
Highest AQI recorded in
June41AQI
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 (31) shows an average percentage change of -3.6% (improved AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (32), 2023 (38), 2024 (31).
