Pentagon City, 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!
October Air Quality Analysis
Pentagon City, Arlington, Virginia, United States
AQI Trends: Highest and Lowest
Same Day Analysis (23rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 17 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Oct - 24th Oct 2025
Pentagon City, Arlington, Virginia, United States
7 AM23rd Oct 2025
6 PM
6 AM24th Oct 2025
22AQI
11AQI
22AQI
11AQI
In the last 24 hours,
Pentagon City's AQI reached its highest point of 22 at 6 PM during the Day, while the lowest point, 11, was recorded at 5 AM during the Night between 23rd Oct and 24th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Pentagon City, Arlington, Virginia, United States
24°C19/31°C
24°C21/31°C
24°C19/31°C
22°C19/27°C
24°C19/31°C
23°C17/31°C
22°C19/30°C
20°C16/26°C
17°C10/23°C
17°C10/26°C
19°C10/29°C
19°C10/30°C
21°C13/31°C
22°C15/30°C
20°C14/22°C
14°C10/20°C
13°C7/19°C
15°C9/22°C
17°C15/19°C
15°C14/16°C
16°C13/24°C
18°C12/27°C
14°C8/21°C
13°C7/21°C
15°C7/25°C
19°C11/28°C
15°C10/21°C
14°C5/23°C
15°C10/21°C
14°C9/21°C
--°C/°C
27AQI
23AQI
27AQI
19AQI
2025 Days Vs Air Quality
Pentagon City, Arlington, Virginia, United States
91%
191
9%
20
Total number of days with different AQI categories in last 297 days in 2025 (68 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 297 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
Pentagon City, Arlington, Virginia, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
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
42AQI
45AQI
53AQI
56AQI
57AQI
49AQI
38AQI
28AQI
43AQI
41AQI
46AQI
28AQI
38AQI
53AQI
85AQI
56AQI
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
57AQI
67AQI
70AQI
63AQI
49AQI
31AQI
34AQI
44AQI
31AQI
29AQI
28AQI
45AQI
48AQI
48AQI
32AQI
20AQI
27AQI
20AQI
24AQI
29AQI
28AQI
25AQI
20AQI
20AQI
34AQI
28AQI
19AQI
30AQI
33AQI
21AQI
29AQI
30AQI
36AQI
53AQI
36AQI
25AQI
27AQI
22AQI
24AQI
36AQI
42AQI
46AQI
43AQI
34AQI
22AQI
21AQI
34AQI
36AQI
29AQI
23AQI
32AQI
44AQI
37AQI
21AQI
27AQI
25AQI
25AQI
24AQI
25AQI
28AQI
12AQI
27AQI
38AQI
36AQI
16AQI
14AQI
11AQI
14AQI
19AQI
21AQI
27AQI
22AQI
18AQI
12AQI
13AQI
38AQI
32AQI
25AQI
31AQI
21AQI
17AQI
33AQI
28AQI
25AQI
41AQI
40AQI
36AQI
31AQI
22AQI
No. of days
202532AQI
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
October22AQI
Most & Least Polluted Years Over the Last 1 Years
Pentagon City's annual 2025 AQI (32) shows an average percentage change of NaN% (improved AQI) compared to previous years: .