Chesterfield, 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
Chesterfield, Virginia, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 12 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Chesterfield, Virginia, United States
7 AM17th Oct 2025
6 PM
6 AM18th Oct 2025
21AQI
8AQI
46AQI
8AQI
In the last 24 hours,
Chesterfield's AQI reached its highest point of 46 at 5 AM during the Night, while the lowest point, 8, was recorded at 10 PM during the Night between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Chesterfield, Virginia, United States
22°C17/29°C
23°C18/32°C
22°C18/26°C
22°C19/28°C
21°C13/30°C
23°C15/33°C
25°C19/34°C
26°C21/34°C
25°C21/29°C
21°C20/22°C
21°C18/26°C
21°C17/26°C
21°C18/27°C
19°C14/24°C
15°C9/21°C
15°C8/23°C
17°C8/27°C
18°C11/28°C
19°C12/29°C
21°C14/30°C
22°C15/27°C
15°C10/21°C
14°C9/20°C
16°C11/20°C
17°C14/18°C
16°C14/19°C
15°C13/19°C
17°C11/24°C
14°C9/22°C
12°C5/21°C
--°C/°C
29AQI
24AQI
30AQI
22AQI
2025 Days Vs Air Quality
Chesterfield, Virginia, United States
89%
183
11%
22
Total number of days with different AQI categories in last 291 days in 2025 (74 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 291 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Chesterfield, Virginia, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
42AQI
48AQI
37AQI
29AQI
18AQI
26AQI
40AQI
41AQI
42AQI
36AQI
22AQI
21AQI
17AQI
23AQI
24AQI
19AQI
25AQI
38AQI
39AQI
16AQI
21AQI
40AQI
46AQI
57AQI
48AQI
49AQI
42AQI
41AQI
36AQI
39AQI
18AQI
20AQI
32AQI
47AQI
53AQI
45AQI
39AQI
26AQI
29AQI
26AQI
30AQI
39AQI
29AQI
25AQI
31AQI
31AQI
21AQI
29AQI
34AQI
53AQI
32AQI
24AQI
30AQI
27AQI
20AQI
19AQI
15AQI
18AQI
22AQI
22AQI
22AQI
16AQI
22AQI
28AQI
38AQI
35AQI
31AQI
33AQI
46AQI
47AQI
52AQI
39AQI
32AQI
32AQI
38AQI
49AQI
61AQI
50AQI
31AQI
29AQI
23AQI
29AQI
34AQI
32AQI
28AQI
43AQI
45AQI
55AQI
57AQI
59AQI
54AQI
46AQI
44AQI
45AQI
37AQI
39AQI
25AQI
33AQI
54AQI
69AQI
51AQI
33AQI
52AQI
37AQI
29AQI
42AQI
45AQI
35AQI
34AQI
23AQI
33AQI
34AQI
29AQI
25AQI
27AQI
43AQI
46AQI
59AQI
50AQI
53AQI
51AQI
46AQI
28AQI
41AQI
44AQI
39AQI
29AQI
40AQI
43AQI
46AQI
57AQI
55AQI
70AQI
67AQI
33AQI
32AQI
28AQI
21AQI
25AQI
24AQI
33AQI
41AQI
45AQI
41AQI
18AQI
20AQI
25AQI
25AQI
28AQI
29AQI
31AQI
27AQI
26AQI
32AQI
40AQI
30AQI
30AQI
24AQI
23AQI
27AQI
34AQI
49AQI
58AQI
38AQI
26AQI
25AQI
21AQI
26AQI
33AQI
38AQI
44AQI
48AQI
36AQI
21AQI
22AQI
45AQI
55AQI
50AQI
33AQI
37AQI
48AQI
44AQI
34AQI
21AQI
25AQI
24AQI
25AQI
31AQI
21AQI
12AQI
38AQI
35AQI
39AQI
17AQI
11AQI
12AQI
13AQI
15AQI
13AQI
25AQI
21AQI
17AQI
13AQI
12AQI
35AQI
33AQI
29AQI
41AQI
40AQI
35AQI
34AQI
20AQI
No. of days
202534AQI
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
October20AQI
Most & Least Polluted Years Over the Last 1 Years
Chesterfield's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .