Bend, Oregon, 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
Bend, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 44 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Bend, Oregon, United States
5 AM2nd Aug 2025
8 PM
4 AM3rd Aug 2025
46AQI
27AQI
26AQI
23AQI
In the last 24 hours,
Bend's AQI reached its highest point of 46 at 5 AM during the Day, while the lowest point, 23, was recorded at 9 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Bend, Oregon, United States
16°C12/21°C
18°C11/26°C
21°C13/30°C
25°C16/34°C
25°C18/35°C
22°C16/30°C
20°C14/28°C
20°C14/28°C
25°C17/33°C
26°C19/35°C
26°C19/35°C
21°C14/28°C
22°C14/31°C
25°C18/33°C
23°C17/32°C
22°C16/30°C
20°C15/25°C
17°C13/21°C
19°C12/25°C
23°C17/30°C
24°C18/32°C
22°C15/30°C
21°C14/29°C
21°C14/30°C
22°C15/31°C
24°C18/32°C
24°C18/32°C
22°C18/27°C
22°C17/30°C
22°C16/30°C
--°C/°C
24AQI
24AQI
23AQI
23AQI
2025 Days Vs Air Quality
Bend, Oregon, United States
100%
214
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 215 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
Bend, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
30AQI
30AQI
24AQI
23AQI
23AQI
26AQI
33AQI
48AQI
29AQI
26AQI
29AQI
32AQI
45AQI
45AQI
41AQI
35AQI
40AQI
39AQI
34AQI
35AQI
39AQI
44AQI
35AQI
27AQI
36AQI
40AQI
45AQI
43AQI
41AQI
32AQI
22AQI
21AQI
24AQI
24AQI
23AQI
27AQI
25AQI
31AQI
31AQI
27AQI
31AQI
41AQI
29AQI
24AQI
18AQI
18AQI
16AQI
18AQI
18AQI
21AQI
18AQI
16AQI
14AQI
14AQI
16AQI
21AQI
20AQI
22AQI
23AQI
15AQI
16AQI
15AQI
18AQI
12AQI
17AQI
18AQI
20AQI
18AQI
14AQI
13AQI
15AQI
16AQI
16AQI
17AQI
19AQI
20AQI
21AQI
15AQI
37AQI
16AQI
16AQI
18AQI
19AQI
19AQI
17AQI
17AQI
15AQI
26AQI
16AQI
18AQI
19AQI
26AQI
27AQI
25AQI
24AQI
16AQI
14AQI
15AQI
19AQI
16AQI
19AQI
23AQI
28AQI
25AQI
23AQI
20AQI
24AQI
22AQI
23AQI
16AQI
16AQI
20AQI
28AQI
26AQI
26AQI
26AQI
18AQI
15AQI
18AQI
21AQI
23AQI
18AQI
16AQI
17AQI
17AQI
22AQI
18AQI
24AQI
23AQI
15AQI
15AQI
15AQI
15AQI
17AQI
17AQI
14AQI
15AQI
14AQI
13AQI
17AQI
17AQI
18AQI
21AQI
20AQI
17AQI
15AQI
17AQI
16AQI
15AQI
18AQI
13AQI
17AQI
21AQI
21AQI
20AQI
21AQI
23AQI
23AQI
25AQI
29AQI
27AQI
23AQI
19AQI
25AQI
28AQI
26AQI
22AQI
17AQI
18AQI
17AQI
17AQI
16AQI
17AQI
30AQI
33AQI
19AQI
17AQI
17AQI
17AQI
18AQI
23AQI
23AQI
20AQI
18AQI
21AQI
19AQI
18AQI
25AQI
23AQI
17AQI
19AQI
21AQI
20AQI
19AQI
25AQI
40AQI
45AQI
26AQI
21AQI
18AQI
19AQI
19AQI
23AQI
24AQI
21AQI
22AQI
18AQI
18AQI
19AQI
22AQI
19AQI
37AQI
44AQI
35AQI
23AQI
18AQI
21AQI
17AQI
21AQI
22AQI
41AQI
No. of days
202523AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
May17AQI
202431AQI
Highest AQI recorded in
September57AQI
Lowest AQI recorded in
April14AQI
202329AQI
Highest AQI recorded in
August93AQI
Lowest AQI recorded in
April10AQI
202225AQI
Highest AQI recorded in
September63AQI
Lowest AQI recorded in
May11AQI
202129AQI
Highest AQI recorded in
August73AQI
Lowest AQI recorded in
October15AQI
202036AQI
Highest AQI recorded in
September132AQI
Lowest AQI recorded in
May11AQI
Most & Least Polluted Years Over the Last 6 Years
Bend's annual 2025 AQI (23) shows an average percentage change of -23.1% (improved AQI) compared to previous years: 2020 (36), 2021 (29), 2022 (25), 2023 (29), 2024 (31).