Arlington, Virginia, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Arlington, Virginia, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Arlington, Virginia, United States
6 AM4th Aug 2025
8 PM
5 AM5th Aug 2025
55AQI
41AQI
59AQI
50AQI
In the last 24 hours,
Arlington's AQI reached its highest point of 59 at 4 AM during the Night, while the lowest point, 41, was recorded at 12 PM during the Day between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Arlington, Virginia, United States
27°C19/34°C
29°C25/37°C
30°C25/39°C
28°C21/36°C
26°C24/28°C
27°C22/32°C
29°C24/34°C
28°C24/35°C
27°C24/32°C
28°C23/33°C
26°C24/32°C
30°C23/38°C
28°C25/33°C
27°C24/32°C
29°C24/36°C
27°C23/33°C
27°C20/33°C
26°C22/32°C
28°C22/35°C
31°C23/40°C
31°C24/37°C
30°C25/36°C
31°C24/38°C
31°C24/39°C
32°C26/38°C
29°C22/34°C
22°C19/23°C
23°C18/28°C
24°C17/29°C
25°C16/33°C
--°C/°C
42AQI
42AQI
40AQI
40AQI
2025 Days Vs Air Quality
Arlington, Virginia, United States
91%
197
9%
19
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 217 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
Arlington, Virginia, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
21AQI
23AQI
20AQI
27AQI
32AQI
18AQI
22AQI
19AQI
29AQI
34AQI
46AQI
37AQI
21AQI
28AQI
34AQI
34AQI
34AQI
51AQI
21AQI
27AQI
37AQI
52AQI
54AQI
50AQI
38AQI
40AQI
23AQI
21AQI
21AQI
32AQI
22AQI
22AQI
31AQI
30AQI
22AQI
28AQI
28AQI
27AQI
28AQI
32AQI
34AQI
49AQI
23AQI
22AQI
23AQI
21AQI
19AQI
20AQI
24AQI
24AQI
23AQI
35AQI
31AQI
30AQI
31AQI
31AQI
42AQI
23AQI
23AQI
22AQI
31AQI
29AQI
21AQI
16AQI
20AQI
21AQI
23AQI
24AQI
28AQI
25AQI
38AQI
46AQI
36AQI
28AQI
21AQI
17AQI
20AQI
29AQI
16AQI
20AQI
19AQI
32AQI
20AQI
19AQI
19AQI
32AQI
55AQI
35AQI
25AQI
19AQI
21AQI
32AQI
28AQI
38AQI
37AQI
20AQI
22AQI
18AQI
20AQI
22AQI
17AQI
19AQI
31AQI
34AQI
15AQI
18AQI
35AQI
49AQI
41AQI
28AQI
37AQI
30AQI
45AQI
30AQI
35AQI
12AQI
17AQI
29AQI
31AQI
40AQI
42AQI
37AQI
23AQI
25AQI
23AQI
19AQI
29AQI
22AQI
20AQI
28AQI
32AQI
21AQI
30AQI
33AQI
46AQI
29AQI
18AQI
20AQI
19AQI
17AQI
14AQI
14AQI
14AQI
16AQI
20AQI
26AQI
16AQI
20AQI
31AQI
31AQI
20AQI
23AQI
27AQI
45AQI
51AQI
47AQI
32AQI
41AQI
36AQI
39AQI
55AQI
61AQI
64AQI
49AQI
40AQI
24AQI
25AQI
37AQI
29AQI
23AQI
41AQI
45AQI
53AQI
56AQI
57AQI
49AQI
38AQI
28AQI
43AQI
40AQI
46AQI
28AQI
38AQI
53AQI
85AQI
57AQI
37AQI
41AQI
32AQI
31AQI
35AQI
38AQI
30AQI
30AQI
27AQI
29AQI
29AQI
29AQI
31AQI
27AQI
28AQI
53AQI
51AQI
36AQI
47AQI
41AQI
54AQI
34AQI
50AQI
52AQI
46AQI
28AQI
42AQI
48AQI
56AQI
31AQI
28AQI
26AQI
28AQI
25AQI
41AQI
40AQI
44AQI
No. of days
202531AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
May25AQI
202428AQI
Highest AQI recorded in
August35AQI
Lowest AQI recorded in
March22AQI
202337AQI
Highest AQI recorded in
June72AQI
Lowest AQI recorded in
October25AQI
202232AQI
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
April25AQI
202134AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
May26AQI
202030AQI
Highest AQI recorded in
July36AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 6 Years
Arlington's annual 2025 AQI (31) shows an average percentage change of -1.2% (improved AQI) compared to previous years: 2020 (30), 2021 (34), 2022 (32), 2023 (37), 2024 (28).