Neah Bay, 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
Neah Bay, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 18 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Neah Bay, Washington, United States
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
20AQI
17AQI
22AQI
16AQI
In the last 24 hours,
Neah Bay's AQI reached its highest point of 22 at 11 PM during the Night, while the lowest point, 16, was recorded at 6 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Neah Bay, Washington, United States
17°C15/21°C
15°C12/20°C
14°C13/16°C
13°C12/16°C
14°C12/15°C
14°C13/16°C
14°C13/15°C
14°C13/14°C
13°C12/14°C
14°C13/15°C
14°C12/16°C
13°C13/14°C
13°C13/14°C
14°C12/15°C
14°C13/15°C
15°C14/15°C
14°C14/15°C
14°C13/15°C
13°C12/15°C
13°C12/14°C
14°C13/16°C
14°C12/16°C
13°C13/14°C
12°C10/14°C
15°C10/19°C
13°C12/14°C
11°C10/13°C
11°C9/12°C
12°C11/14°C
14°C12/16°C
--°C/°C
27AQI
24AQI
27AQI
24AQI
2025 Days Vs Air Quality
Neah Bay, Washington, United States
100%
180
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 265 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
Neah Bay, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
16AQI
16AQI
14AQI
21AQI
16AQI
19AQI
18AQI
19AQI
23AQI
24AQI
18AQI
15AQI
14AQI
14AQI
16AQI
16AQI
16AQI
19AQI
18AQI
18AQI
21AQI
25AQI
20AQI
18AQI
15AQI
14AQI
19AQI
15AQI
17AQI
21AQI
18AQI
17AQI
13AQI
13AQI
14AQI
17AQI
19AQI
14AQI
15AQI
14AQI
16AQI
14AQI
14AQI
14AQI
15AQI
15AQI
14AQI
16AQI
15AQI
16AQI
15AQI
13AQI
13AQI
13AQI
12AQI
13AQI
13AQI
12AQI
12AQI
13AQI
13AQI
14AQI
14AQI
13AQI
14AQI
14AQI
16AQI
17AQI
17AQI
14AQI
15AQI
17AQI
19AQI
19AQI
22AQI
24AQI
24AQI
22AQI
17AQI
17AQI
16AQI
16AQI
16AQI
14AQI
15AQI
15AQI
16AQI
17AQI
16AQI
19AQI
18AQI
15AQI
13AQI
13AQI
15AQI
16AQI
16AQI
14AQI
14AQI
16AQI
17AQI
17AQI
18AQI
18AQI
15AQI
16AQI
17AQI
18AQI
19AQI
17AQI
20AQI
24AQI
24AQI
22AQI
19AQI
19AQI
20AQI
18AQI
17AQI
17AQI
16AQI
18AQI
19AQI
19AQI
20AQI
18AQI
17AQI
18AQI
17AQI
22AQI
27AQI
26AQI
22AQI
17AQI
18AQI
19AQI
20AQI
25AQI
26AQI
21AQI
21AQI
16AQI
14AQI
17AQI
19AQI
19AQI
18AQI
21AQI
23AQI
28AQI
33AQI
35AQI
27AQI
25AQI
25AQI
30AQI
27AQI
29AQI
28AQI
27AQI
36AQI
25AQI
36AQI
28AQI
26AQI
24AQI
27AQI
27AQI
25AQI
18AQI
20AQI
20AQI
19AQI
23AQI
28AQI
22AQI
20AQI
20AQI
18AQI
17AQI
18AQI
14AQI
17AQI
18AQI
23AQI
25AQI
No. of days
202519AQI
Highest AQI recorded in
September25AQI
Lowest AQI recorded in
May14AQI
Most & Least Polluted Years Over the Last 1 Years
Neah Bay's annual 2025 AQI (19) shows an average percentage change of NaN% (improved AQI) compared to previous years: .