North Bend, Washington, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
North Bend, Washington, United States
AQI Trends: Highest and Lowest
Same Day Analysis (13th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Aug - 14th Aug 2025
North Bend, Washington, United States
5 AM13th Aug 2025
8 PM
4 AM14th Aug 2025
32AQI
22AQI
30AQI
16AQI
In the last 24 hours,
North Bend's AQI reached its highest point of 32 at 12 PM during the Day, while the lowest point, 16, was recorded at 3 AM during the Night between 13th Aug and 14th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
North Bend, Washington, United States
22°C14/31°C
26°C19/34°C
22°C16/30°C
18°C16/19°C
16°C14/19°C
17°C14/20°C
18°C12/23°C
19°C15/23°C
22°C16/30°C
19°C15/22°C
16°C14/17°C
17°C14/22°C
19°C14/26°C
20°C12/28°C
21°C14/30°C
22°C15/31°C
22°C15/29°C
21°C17/26°C
18°C16/20°C
17°C15/19°C
17°C15/20°C
20°C16/24°C
18°C16/21°C
18°C14/22°C
18°C11/24°C
20°C14/28°C
22°C16/31°C
22°C17/29°C
26°C19/34°C
19°C17/21°C
--°C/°C
27AQI
27AQI
28AQI
28AQI
2025 Days Vs Air Quality
North Bend, Washington, United States
100%
224
0.4%
1
Total number of days with different AQI categories in last 226 days in 2025 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 226 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
North Bend, Washington, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
23AQI
20AQI
21AQI
19AQI
21AQI
21AQI
23AQI
22AQI
21AQI
23AQI
31AQI
29AQI
30AQI
29AQI
26AQI
33AQI
41AQI
45AQI
28AQI
38AQI
44AQI
47AQI
44AQI
36AQI
35AQI
45AQI
42AQI
52AQI
50AQI
28AQI
17AQI
20AQI
21AQI
23AQI
22AQI
23AQI
26AQI
25AQI
42AQI
25AQI
24AQI
25AQI
24AQI
21AQI
22AQI
20AQI
20AQI
20AQI
19AQI
18AQI
19AQI
21AQI
16AQI
18AQI
17AQI
20AQI
22AQI
24AQI
29AQI
30AQI
23AQI
19AQI
17AQI
19AQI
21AQI
19AQI
20AQI
18AQI
18AQI
18AQI
16AQI
16AQI
16AQI
16AQI
16AQI
15AQI
16AQI
14AQI
14AQI
16AQI
16AQI
16AQI
22AQI
20AQI
16AQI
16AQI
14AQI
17AQI
17AQI
16AQI
17AQI
17AQI
19AQI
16AQI
19AQI
14AQI
15AQI
12AQI
14AQI
14AQI
17AQI
16AQI
17AQI
16AQI
16AQI
16AQI
20AQI
24AQI
16AQI
13AQI
14AQI
15AQI
21AQI
29AQI
38AQI
28AQI
18AQI
13AQI
15AQI
19AQI
20AQI
13AQI
14AQI
14AQI
18AQI
16AQI
14AQI
18AQI
22AQI
19AQI
14AQI
16AQI
17AQI
17AQI
13AQI
13AQI
12AQI
14AQI
11AQI
12AQI
14AQI
17AQI
18AQI
20AQI
15AQI
16AQI
19AQI
14AQI
17AQI
19AQI
15AQI
16AQI
17AQI
17AQI
19AQI
18AQI
19AQI
26AQI
29AQI
29AQI
33AQI
30AQI
24AQI
20AQI
22AQI
23AQI
19AQI
15AQI
16AQI
15AQI
11AQI
12AQI
20AQI
42AQI
38AQI
16AQI
14AQI
14AQI
19AQI
23AQI
22AQI
15AQI
16AQI
17AQI
38AQI
22AQI
21AQI
22AQI
17AQI
16AQI
21AQI
21AQI
22AQI
20AQI
23AQI
26AQI
31AQI
33AQI
24AQI
28AQI
27AQI
27AQI
31AQI
30AQI
20AQI
25AQI
25AQI
25AQI
26AQI
29AQI
26AQI
25AQI
29AQI
31AQI
49AQI
43AQI
22AQI
17AQI
20AQI
22AQI
29AQI
29AQI
29AQI
28AQI
32AQI
22AQI
18AQI
18AQI
16AQI
21AQI
24AQI
29AQI
No. of days
202522AQI
Highest AQI recorded in
January32AQI
Lowest AQI recorded in
May16AQI
202418AQI
Highest AQI recorded in
September25AQI
Lowest AQI recorded in
January7AQI
202317AQI
Highest AQI recorded in
August28AQI
Lowest AQI recorded in
February8AQI
202222AQI
Highest AQI recorded in
October64AQI
Lowest AQI recorded in
March9AQI
202117AQI
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
November7AQI
202025AQI
Highest AQI recorded in
September70AQI
Lowest AQI recorded in
December9AQI
Most & Least Polluted Years Over the Last 6 Years
North Bend's annual 2025 AQI (22) shows an average percentage change of 14.5% (worsened AQI) compared to previous years: 2020 (25), 2021 (17), 2022 (22), 2023 (17), 2024 (18).