Alexandria, Virginia, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Alexandria, Virginia, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 43 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Alexandria, Virginia, United States
7 AM19th Oct 2025
6 PM
6 AM20th Oct 2025
62AQI
37AQI
77AQI
37AQI
In the last 24 hours,
Alexandria's AQI reached its highest point of 77 at 12 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Alexandria, Virginia, United States
21°C18/23°C
22°C19/25°C
22°C16/29°C
24°C17/34°C
25°C18/33°C
25°C22/31°C
25°C20/31°C
22°C19/29°C
24°C19/31°C
23°C17/31°C
23°C19/30°C
20°C15/26°C
17°C10/23°C
17°C9/26°C
19°C9/29°C
20°C10/30°C
22°C15/31°C
23°C16/30°C
20°C14/22°C
15°C10/19°C
14°C7/19°C
15°C9/24°C
18°C15/19°C
15°C14/18°C
16°C13/24°C
18°C12/27°C
14°C9/21°C
13°C6/21°C
15°C7/25°C
19°C12/28°C
--°C/°C
36AQI
36AQI
40AQI
36AQI
2025 Days Vs Air Quality
Alexandria, Virginia, United States
91%
189
9%
18
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 293 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
Alexandria, Virginia, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
30AQI
56AQI
35AQI
26AQI
21AQI
22AQI
33AQI
30AQI
38AQI
41AQI
22AQI
25AQI
18AQI
20AQI
25AQI
18AQI
19AQI
32AQI
34AQI
14AQI
18AQI
32AQI
51AQI
43AQI
28AQI
37AQI
28AQI
48AQI
29AQI
35AQI
13AQI
16AQI
27AQI
30AQI
38AQI
42AQI
34AQI
24AQI
23AQI
22AQI
18AQI
26AQI
21AQI
20AQI
25AQI
28AQI
19AQI
28AQI
30AQI
46AQI
30AQI
16AQI
20AQI
18AQI
16AQI
15AQI
14AQI
14AQI
16AQI
18AQI
24AQI
17AQI
20AQI
30AQI
33AQI
20AQI
22AQI
24AQI
44AQI
52AQI
47AQI
33AQI
44AQI
37AQI
37AQI
57AQI
62AQI
64AQI
42AQI
40AQI
21AQI
24AQI
37AQI
27AQI
23AQI
39AQI
42AQI
50AQI
55AQI
54AQI
46AQI
33AQI
26AQI
38AQI
35AQI
45AQI
27AQI
38AQI
54AQI
96AQI
53AQI
34AQI
41AQI
32AQI
32AQI
35AQI
38AQI
30AQI
31AQI
29AQI
29AQI
30AQI
27AQI
25AQI
24AQI
28AQI
50AQI
52AQI
38AQI
48AQI
40AQI
43AQI
34AQI
45AQI
50AQI
43AQI
28AQI
41AQI
44AQI
52AQI
66AQI
68AQI
67AQI
51AQI
30AQI
32AQI
34AQI
24AQI
25AQI
24AQI
35AQI
43AQI
45AQI
34AQI
18AQI
22AQI
19AQI
22AQI
26AQI
26AQI
24AQI
20AQI
19AQI
25AQI
27AQI
19AQI
27AQI
26AQI
21AQI
25AQI
29AQI
34AQI
53AQI
34AQI
21AQI
23AQI
22AQI
21AQI
29AQI
36AQI
44AQI
46AQI
36AQI
24AQI
22AQI
36AQI
36AQI
32AQI
23AQI
32AQI
45AQI
37AQI
21AQI
26AQI
24AQI
26AQI
23AQI
28AQI
27AQI
12AQI
27AQI
36AQI
36AQI
15AQI
13AQI
10AQI
14AQI
18AQI
21AQI
27AQI
21AQI
18AQI
12AQI
13AQI
37AQI
43AQI
33AQI
28AQI
24AQI
39AQI
39AQI
33AQI
30AQI
23AQI
No. of days
202532AQI
Highest AQI recorded in
July39AQI
Lowest AQI recorded in
October23AQI
Most & Least Polluted Years Over the Last 1 Years
Alexandria's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .