Gunpowder, Maryland, 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
Gunpowder, Maryland, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Gunpowder, Maryland, United States
7 AM14th Oct 2025
6 PM
6 AM15th Oct 2025
30AQI
23AQI
38AQI
14AQI
In the last 24 hours,
Gunpowder's AQI reached its highest point of 38 at 5 AM during the Night, while the lowest point, undefined, was recorded at 6 AM during the Night between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gunpowder, Maryland, United States
21°C15/27°C
19°C16/23°C
18°C17/19°C
23°C18/30°C
23°C14/32°C
20°C16/25°C
20°C17/26°C
20°C15/25°C
23°C17/30°C
22°C18/30°C
24°C21/28°C
23°C19/30°C
21°C17/29°C
22°C19/29°C
22°C18/28°C
22°C18/28°C
18°C13/24°C
15°C9/22°C
15°C10/21°C
17°C10/26°C
18°C12/27°C
19°C13/28°C
21°C15/28°C
19°C12/21°C
13°C9/19°C
12°C5/18°C
14°C8/20°C
17°C15/19°C
14°C13/15°C
15°C13/21°C
--°C/°C
34AQI
29AQI
34AQI
29AQI
2025 Days Vs Air Quality
Gunpowder, Maryland, United States
89%
180
11%
22
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 288 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
Gunpowder, Maryland, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
35AQI
54AQI
44AQI
24AQI
20AQI
24AQI
30AQI
27AQI
26AQI
34AQI
21AQI
25AQI
24AQI
23AQI
19AQI
17AQI
18AQI
30AQI
32AQI
15AQI
22AQI
33AQI
51AQI
30AQI
26AQI
29AQI
27AQI
46AQI
27AQI
31AQI
13AQI
17AQI
28AQI
32AQI
32AQI
45AQI
37AQI
22AQI
19AQI
17AQI
17AQI
27AQI
17AQI
19AQI
37AQI
36AQI
19AQI
23AQI
21AQI
36AQI
23AQI
17AQI
18AQI
17AQI
16AQI
13AQI
14AQI
16AQI
17AQI
17AQI
29AQI
15AQI
15AQI
20AQI
25AQI
18AQI
24AQI
28AQI
44AQI
42AQI
38AQI
26AQI
26AQI
29AQI
35AQI
52AQI
61AQI
66AQI
72AQI
42AQI
30AQI
27AQI
26AQI
26AQI
26AQI
45AQI
48AQI
55AQI
59AQI
57AQI
46AQI
40AQI
27AQI
43AQI
44AQI
40AQI
28AQI
45AQI
54AQI
71AQI
54AQI
35AQI
37AQI
36AQI
35AQI
37AQI
29AQI
24AQI
29AQI
23AQI
29AQI
24AQI
33AQI
35AQI
30AQI
30AQI
55AQI
48AQI
36AQI
50AQI
43AQI
63AQI
42AQI
52AQI
56AQI
45AQI
30AQI
41AQI
49AQI
56AQI
69AQI
71AQI
60AQI
44AQI
29AQI
38AQI
37AQI
26AQI
25AQI
25AQI
39AQI
37AQI
42AQI
28AQI
18AQI
20AQI
14AQI
24AQI
30AQI
26AQI
25AQI
22AQI
22AQI
32AQI
32AQI
21AQI
28AQI
29AQI
19AQI
25AQI
29AQI
39AQI
50AQI
40AQI
28AQI
28AQI
22AQI
22AQI
31AQI
42AQI
45AQI
37AQI
35AQI
21AQI
20AQI
28AQI
30AQI
26AQI
22AQI
23AQI
35AQI
31AQI
22AQI
24AQI
21AQI
43AQI
42AQI
31AQI
28AQI
33AQI
45AQI
56AQI
55AQI
31AQI
30AQI
40AQI
41AQI
41AQI
22AQI
27AQI
26AQI
36AQI
27AQI
22AQI
40AQI
40AQI
34AQI
30AQI
36AQI
No. of days
202533AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Gunpowder's annual 2025 AQI (33) shows an average percentage change of NaN% (improved AQI) compared to previous years: .