Bremerton, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Bremerton, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 20 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Bremerton, Washington, United States
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
39AQI
11AQI
38AQI
12AQI
In the last 24 hours,
Bremerton's AQI reached its highest point of 39 at 3 PM during the Day, while the lowest point, 11, was recorded at 8 AM during the Day between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Bremerton, Washington, United States
20°C16/24°C
19°C14/25°C
20°C17/24°C
20°C16/29°C
23°C16/32°C
22°C17/30°C
22°C16/29°C
20°C16/28°C
18°C16/20°C
19°C16/25°C
18°C14/22°C
19°C15/24°C
17°C14/22°C
18°C15/22°C
19°C14/26°C
17°C15/21°C
17°C13/24°C
22°C13/33°C
21°C16/25°C
17°C13/24°C
18°C12/25°C
18°C13/24°C
16°C14/19°C
16°C10/24°C
17°C10/26°C
17°C10/26°C
14°C10/21°C
15°C10/23°C
19°C13/28°C
17°C10/24°C
--°C/°C
33AQI
29AQI
37AQI
32AQI
2025 Days Vs Air Quality
Bremerton, Washington, United States
98%
183
2%
4
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 272 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
Bremerton, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
16AQI
17AQI
18AQI
19AQI
19AQI
17AQI
20AQI
21AQI
23AQI
23AQI
23AQI
14AQI
13AQI
13AQI
18AQI
17AQI
17AQI
19AQI
18AQI
19AQI
21AQI
20AQI
20AQI
24AQI
17AQI
16AQI
14AQI
18AQI
18AQI
21AQI
22AQI
19AQI
23AQI
36AQI
31AQI
23AQI
25AQI
14AQI
17AQI
16AQI
18AQI
21AQI
19AQI
18AQI
19AQI
15AQI
17AQI
21AQI
22AQI
22AQI
17AQI
14AQI
14AQI
18AQI
12AQI
12AQI
15AQI
18AQI
18AQI
17AQI
14AQI
16AQI
19AQI
17AQI
22AQI
21AQI
25AQI
21AQI
22AQI
20AQI
19AQI
22AQI
23AQI
28AQI
28AQI
41AQI
41AQI
37AQI
29AQI
24AQI
25AQI
21AQI
18AQI
16AQI
15AQI
16AQI
18AQI
18AQI
21AQI
33AQI
25AQI
15AQI
14AQI
21AQI
20AQI
21AQI
24AQI
16AQI
17AQI
20AQI
34AQI
22AQI
20AQI
23AQI
19AQI
20AQI
25AQI
21AQI
29AQI
23AQI
22AQI
26AQI
40AQI
34AQI
25AQI
21AQI
25AQI
19AQI
22AQI
21AQI
18AQI
22AQI
25AQI
22AQI
23AQI
24AQI
22AQI
19AQI
22AQI
24AQI
48AQI
32AQI
20AQI
16AQI
20AQI
21AQI
24AQI
28AQI
30AQI
34AQI
23AQI
14AQI
13AQI
17AQI
20AQI
21AQI
21AQI
22AQI
28AQI
35AQI
46AQI
54AQI
53AQI
47AQI
33AQI
47AQI
34AQI
45AQI
38AQI
39AQI
57AQI
44AQI
57AQI
44AQI
26AQI
29AQI
29AQI
38AQI
38AQI
21AQI
31AQI
20AQI
22AQI
28AQI
36AQI
23AQI
27AQI
38AQI
23AQI
27AQI
36AQI
44AQI
22AQI
25AQI
22AQI
20AQI
18AQI
20AQI
18AQI
23AQI
23AQI
29AQI
32AQI
No. of days
202524AQI
Highest AQI recorded in
September32AQI
Lowest AQI recorded in
May18AQI
Most & Least Polluted Years Over the Last 1 Years
Bremerton's annual 2025 AQI (24) shows an average percentage change of NaN% (improved AQI) compared to previous years: .