North Hall Street, 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!
October Air Quality Analysis
North Hall Street, La Grande, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (21st October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
North Hall Street, La Grande, Oregon, United States
6 AM21st Oct 2025
6 PM
5 AM22nd Oct 2025
26AQI
11AQI
42AQI
11AQI
In the last 24 hours,
North Hall Street's AQI reached its highest point of 42 at 6 AM during the Night, while the lowest point, 11, was recorded at 8 PM during the Night between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
North Hall Street, La Grande, Oregon, United States
13°C6/22°C
15°C3/27°C
18°C5/29°C
17°C6/29°C
15°C7/23°C
15°C3/27°C
18°C6/30°C
20°C13/27°C
16°C11/22°C
15°C11/20°C
13°C9/20°C
13°C9/18°C
11°C7/15°C
10°C2/17°C
9°C-2/18°C
11°C-1/21°C
15°C6/24°C
17°C8/26°C
15°C5/26°C
9°C7/12°C
8°C5/10°C
8°C4/13°C
9°C6/13°C
8°C5/14°C
8°C-1/17°C
11°C6/18°C
8°C-1/18°C
11°C6/13°C
8°C3/15°C
10°C3/18°C
--°C/°C
34AQI
26AQI
33AQI
27AQI
2025 Days Vs Air Quality
North Hall Street, La Grande, Oregon, United States
92%
193
8%
17
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 295 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 Hall Street, La Grande, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
22AQI
23AQI
23AQI
27AQI
23AQI
26AQI
24AQI
25AQI
26AQI
30AQI
28AQI
23AQI
24AQI
25AQI
28AQI
25AQI
25AQI
26AQI
26AQI
28AQI
27AQI
25AQI
31AQI
26AQI
24AQI
18AQI
18AQI
19AQI
35AQI
36AQI
25AQI
30AQI
21AQI
18AQI
19AQI
23AQI
26AQI
20AQI
17AQI
19AQI
18AQI
18AQI
18AQI
21AQI
23AQI
20AQI
19AQI
17AQI
17AQI
20AQI
16AQI
20AQI
16AQI
18AQI
15AQI
16AQI
18AQI
19AQI
24AQI
25AQI
20AQI
18AQI
22AQI
22AQI
19AQI
23AQI
25AQI
19AQI
20AQI
20AQI
20AQI
23AQI
22AQI
25AQI
26AQI
31AQI
31AQI
37AQI
37AQI
24AQI
24AQI
24AQI
27AQI
22AQI
22AQI
24AQI
19AQI
18AQI
25AQI
36AQI
34AQI
23AQI
21AQI
19AQI
19AQI
21AQI
27AQI
27AQI
25AQI
24AQI
37AQI
25AQI
23AQI
27AQI
26AQI
24AQI
24AQI
30AQI
31AQI
26AQI
21AQI
25AQI
35AQI
35AQI
37AQI
36AQI
30AQI
31AQI
29AQI
33AQI
24AQI
21AQI
21AQI
20AQI
22AQI
26AQI
30AQI
35AQI
47AQI
38AQI
25AQI
25AQI
32AQI
19AQI
16AQI
18AQI
21AQI
24AQI
37AQI
32AQI
28AQI
33AQI
24AQI
17AQI
22AQI
25AQI
26AQI
24AQI
34AQI
53AQI
65AQI
60AQI
60AQI
57AQI
62AQI
58AQI
60AQI
56AQI
56AQI
56AQI
56AQI
61AQI
79AQI
66AQI
55AQI
53AQI
43AQI
50AQI
46AQI
39AQI
44AQI
27AQI
20AQI
25AQI
26AQI
29AQI
35AQI
47AQI
30AQI
21AQI
46AQI
34AQI
31AQI
33AQI
28AQI
39AQI
42AQI
35AQI
18AQI
16AQI
19AQI
21AQI
32AQI
21AQI
26AQI
30AQI
39AQI
38AQI
36AQI
23AQI
29AQI
25AQI
34AQI
38AQI
34AQI
38AQI
22AQI
27AQI
22AQI
24AQI
25AQI
20AQI
25AQI
27AQI
37AQI
42AQI
28AQI
No. of days
202529AQI
Highest AQI recorded in
September42AQI
Lowest AQI recorded in
May20AQI
Most & Least Polluted Years Over the Last 1 Years
North Hall Street's annual 2025 AQI (29) shows an average percentage change of NaN% (improved AQI) compared to previous years: .