Baker City, 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
Baker City, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 26 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: 5th Aug - 6th Aug 2025
Baker City, Oregon, United States
5 AM5th Aug 2025
8 PM
4 AM6th Aug 2025
29AQI
22AQI
31AQI
21AQI
In the last 24 hours,
Baker City's AQI reached its highest point of 31 at 1 AM during the Night, while the lowest point, 21, was recorded at 10 PM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Baker City, Oregon, United States
22°C12/32°C
26°C17/36°C
22°C13/31°C
19°C11/27°C
20°C10/28°C
22°C12/32°C
24°C15/33°C
24°C15/34°C
19°C12/26°C
20°C11/29°C
22°C13/32°C
23°C13/33°C
20°C12/29°C
18°C11/26°C
16°C12/20°C
17°C8/25°C
20°C12/28°C
22°C14/32°C
21°C13/31°C
20°C12/30°C
20°C11/29°C
22°C13/32°C
24°C15/33°C
25°C15/33°C
23°C16/31°C
19°C14/25°C
21°C13/30°C
18°C12/29°C
17°C10/24°C
19°C10/28°C
--°C/°C
28AQI
28AQI
27AQI
27AQI
2025 Days Vs Air Quality
Baker City, Oregon, United States
98%
211
2%
5
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 98%
Health Risk Level:
Very Low
In 2025, 98% of 218 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
Baker City, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
38AQI
44AQI
49AQI
38AQI
36AQI
42AQI
44AQI
43AQI
51AQI
45AQI
39AQI
42AQI
44AQI
47AQI
48AQI
52AQI
50AQI
51AQI
43AQI
43AQI
48AQI
54AQI
44AQI
47AQI
40AQI
43AQI
44AQI
48AQI
49AQI
49AQI
44AQI
32AQI
36AQI
39AQI
36AQI
30AQI
35AQI
31AQI
41AQI
50AQI
44AQI
42AQI
51AQI
32AQI
33AQI
25AQI
29AQI
40AQI
43AQI
28AQI
33AQI
25AQI
29AQI
22AQI
32AQI
19AQI
28AQI
30AQI
27AQI
29AQI
25AQI
21AQI
31AQI
27AQI
24AQI
27AQI
26AQI
25AQI
24AQI
26AQI
18AQI
17AQI
26AQI
19AQI
16AQI
23AQI
20AQI
28AQI
20AQI
20AQI
16AQI
26AQI
25AQI
24AQI
21AQI
18AQI
20AQI
20AQI
25AQI
20AQI
26AQI
22AQI
26AQI
27AQI
22AQI
23AQI
20AQI
20AQI
22AQI
26AQI
21AQI
19AQI
24AQI
28AQI
25AQI
27AQI
19AQI
21AQI
22AQI
23AQI
17AQI
18AQI
20AQI
29AQI
29AQI
19AQI
26AQI
18AQI
16AQI
20AQI
19AQI
22AQI
20AQI
16AQI
19AQI
16AQI
17AQI
17AQI
20AQI
22AQI
17AQI
17AQI
16AQI
17AQI
18AQI
16AQI
18AQI
16AQI
20AQI
15AQI
16AQI
17AQI
17AQI
19AQI
21AQI
20AQI
17AQI
18AQI
20AQI
16AQI
19AQI
14AQI
15AQI
17AQI
19AQI
19AQI
21AQI
23AQI
22AQI
25AQI
29AQI
30AQI
28AQI
31AQI
22AQI
22AQI
24AQI
22AQI
20AQI
19AQI
20AQI
20AQI
19AQI
24AQI
28AQI
32AQI
25AQI
21AQI
19AQI
19AQI
20AQI
25AQI
27AQI
23AQI
21AQI
30AQI
24AQI
22AQI
26AQI
24AQI
20AQI
22AQI
25AQI
25AQI
28AQI
24AQI
24AQI
40AQI
41AQI
36AQI
36AQI
25AQI
26AQI
28AQI
29AQI
25AQI
20AQI
19AQI
20AQI
20AQI
22AQI
28AQI
36AQI
47AQI
36AQI
26AQI
45AQI
34AQI
23AQI
23AQI
18AQI
22AQI
26AQI
36AQI
No. of days
202527AQI
Highest AQI recorded in
January45AQI
Lowest AQI recorded in
May18AQI
202437AQI
Highest AQI recorded in
July78AQI
Lowest AQI recorded in
June15AQI
202331AQI
Highest AQI recorded in
November48AQI
Lowest AQI recorded in
May19AQI
202232AQI
Highest AQI recorded in
January48AQI
Lowest AQI recorded in
June14AQI
202135AQI
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
June16AQI
202034AQI
Highest AQI recorded in
September68AQI
Lowest AQI recorded in
June12AQI
Most & Least Polluted Years Over the Last 6 Years
Baker City's annual 2025 AQI (27) shows an average percentage change of -18.005% (improved AQI) compared to previous years: 2020 (34), 2021 (35), 2022 (32), 2023 (31), 2024 (37).