Enterprise, La Grande, 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
Enterprise, La Grande, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Enterprise, La Grande, Oregon, United States
5 AM12th Aug 2025
8 PM
4 AM13th Aug 2025
32AQI
20AQI
28AQI
24AQI
In the last 24 hours,
Enterprise's AQI reached its highest point of 32 at 11 AM during the Day, while the lowest point, 20, was recorded at 6 PM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Enterprise, La Grande, Oregon, United States
22°C11/30°C
16°C7/23°C
17°C7/24°C
20°C11/27°C
21°C14/29°C
17°C11/24°C
16°C6/24°C
15°C12/18°C
16°C10/21°C
18°C12/25°C
19°C11/27°C
18°C9/27°C
17°C8/26°C
17°C8/25°C
20°C12/27°C
22°C14/29°C
23°C16/30°C
21°C13/27°C
17°C11/22°C
18°C10/26°C
15°C8/22°C
13°C6/21°C
16°C7/23°C
15°C8/23°C
12°C4/18°C
12°C3/22°C
17°C8/25°C
20°C10/27°C
23°C15/30°C
24°C13/31°C
--°C/°C
26AQI
26AQI
25AQI
25AQI
2025 Days Vs Air Quality
Enterprise, La Grande, Oregon, United States
99%
221
1%
3
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 225 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
Enterprise, La Grande, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
27AQI
31AQI
29AQI
39AQI
32AQI
27AQI
29AQI
40AQI
27AQI
23AQI
23AQI
28AQI
32AQI
42AQI
45AQI
30AQI
32AQI
29AQI
29AQI
39AQI
43AQI
35AQI
37AQI
38AQI
36AQI
39AQI
43AQI
50AQI
52AQI
51AQI
25AQI
32AQI
31AQI
31AQI
24AQI
32AQI
32AQI
33AQI
37AQI
33AQI
43AQI
52AQI
43AQI
32AQI
16AQI
16AQI
27AQI
22AQI
22AQI
21AQI
16AQI
19AQI
15AQI
13AQI
14AQI
18AQI
23AQI
22AQI
26AQI
20AQI
20AQI
20AQI
15AQI
19AQI
16AQI
16AQI
26AQI
15AQI
17AQI
14AQI
15AQI
18AQI
16AQI
16AQI
18AQI
28AQI
20AQI
15AQI
17AQI
16AQI
20AQI
16AQI
20AQI
22AQI
17AQI
18AQI
16AQI
20AQI
16AQI
18AQI
25AQI
21AQI
24AQI
26AQI
25AQI
18AQI
15AQI
18AQI
24AQI
18AQI
17AQI
19AQI
30AQI
25AQI
24AQI
17AQI
19AQI
21AQI
21AQI
13AQI
14AQI
20AQI
24AQI
29AQI
20AQI
25AQI
19AQI
17AQI
17AQI
21AQI
25AQI
21AQI
14AQI
17AQI
16AQI
17AQI
16AQI
27AQI
21AQI
18AQI
15AQI
14AQI
15AQI
16AQI
14AQI
15AQI
14AQI
17AQI
12AQI
14AQI
18AQI
17AQI
19AQI
20AQI
19AQI
15AQI
17AQI
17AQI
14AQI
17AQI
13AQI
14AQI
16AQI
16AQI
18AQI
20AQI
21AQI
21AQI
23AQI
24AQI
27AQI
29AQI
23AQI
21AQI
20AQI
21AQI
22AQI
19AQI
18AQI
17AQI
17AQI
17AQI
22AQI
32AQI
31AQI
24AQI
18AQI
17AQI
17AQI
18AQI
22AQI
26AQI
22AQI
19AQI
26AQI
20AQI
19AQI
22AQI
21AQI
19AQI
20AQI
23AQI
23AQI
25AQI
23AQI
25AQI
31AQI
33AQI
34AQI
33AQI
22AQI
23AQI
27AQI
29AQI
27AQI
18AQI
19AQI
19AQI
20AQI
23AQI
30AQI
31AQI
42AQI
39AQI
24AQI
22AQI
25AQI
19AQI
16AQI
16AQI
18AQI
20AQI
26AQI
35AQI
27AQI
18AQI
21AQI
17AQI
21AQI
24AQI
25AQI
No. of days
202523AQI
Highest AQI recorded in
January35AQI
Lowest AQI recorded in
May17AQI
202424AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May10AQI
202323AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
April15AQI
202229AQI
Highest AQI recorded in
September74AQI
Lowest AQI recorded in
May13AQI
202129AQI
Highest AQI recorded in
July60AQI
Lowest AQI recorded in
May14AQI
202031AQI
Highest AQI recorded in
September69AQI
Lowest AQI recorded in
June13AQI
Most & Least Polluted Years Over the Last 6 Years
Enterprise's annual 2025 AQI (23) shows an average percentage change of -13.9% (improved AQI) compared to previous years: 2020 (31), 2021 (29), 2022 (29), 2023 (23), 2024 (24).