Southwest Marshall Place, Pendleton, 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
Southwest Marshall Place, Pendleton, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (7th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Oct - 8th Oct 2025
Southwest Marshall Place, Pendleton, Oregon, United States
6 AM7th Oct 2025
6 PM
5 AM8th Oct 2025
61AQI
26AQI
54AQI
27AQI
In the last 24 hours,
Southwest Marshall Place's AQI reached its highest point of 61 at 8 AM during the Day, while the lowest point, 26, was recorded at 7 AM during the Day between 7th Oct and 8th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Southwest Marshall Place, Pendleton, Oregon, United States
23°C16/32°C
21°C15/30°C
22°C15/30°C
21°C15/28°C
21°C14/28°C
23°C15/32°C
18°C14/23°C
17°C10/25°C
20°C12/30°C
21°C14/31°C
22°C15/30°C
23°C17/32°C
24°C17/32°C
19°C13/24°C
15°C8/25°C
17°C7/27°C
20°C9/31°C
20°C11/31°C
17°C9/26°C
18°C9/29°C
19°C10/29°C
19°C13/29°C
18°C9/26°C
17°C12/24°C
14°C10/22°C
14°C8/22°C
15°C10/20°C
13°C7/20°C
12°C3/22°C
14°C5/27°C
--°C/°C
41AQI
38AQI
47AQI
38AQI
2025 Days Vs Air Quality
Southwest Marshall Place, Pendleton, Oregon, United States
88%
173
12%
23
Total number of days with different AQI categories in last 281 days in 2025 (84 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 281 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Southwest Marshall Place, Pendleton, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
18AQI
19AQI
18AQI
32AQI
16AQI
16AQI
17AQI
17AQI
21AQI
24AQI
23AQI
20AQI
14AQI
14AQI
16AQI
15AQI
16AQI
17AQI
21AQI
30AQI
24AQI
17AQI
21AQI
18AQI
17AQI
14AQI
12AQI
14AQI
22AQI
27AQI
25AQI
24AQI
16AQI
14AQI
16AQI
18AQI
19AQI
14AQI
13AQI
14AQI
16AQI
18AQI
15AQI
17AQI
20AQI
15AQI
15AQI
13AQI
14AQI
15AQI
13AQI
14AQI
11AQI
12AQI
10AQI
12AQI
16AQI
16AQI
16AQI
18AQI
15AQI
14AQI
16AQI
15AQI
14AQI
19AQI
14AQI
13AQI
15AQI
17AQI
18AQI
19AQI
20AQI
20AQI
27AQI
25AQI
25AQI
33AQI
26AQI
18AQI
24AQI
20AQI
19AQI
16AQI
16AQI
16AQI
12AQI
12AQI
18AQI
30AQI
32AQI
17AQI
14AQI
13AQI
15AQI
17AQI
21AQI
20AQI
17AQI
18AQI
22AQI
20AQI
21AQI
21AQI
16AQI
14AQI
18AQI
20AQI
22AQI
20AQI
19AQI
26AQI
35AQI
31AQI
35AQI
32AQI
41AQI
40AQI
30AQI
31AQI
19AQI
16AQI
16AQI
17AQI
20AQI
25AQI
30AQI
38AQI
49AQI
33AQI
22AQI
34AQI
24AQI
18AQI
18AQI
19AQI
23AQI
30AQI
33AQI
27AQI
20AQI
23AQI
13AQI
14AQI
18AQI
19AQI
19AQI
19AQI
25AQI
46AQI
57AQI
55AQI
57AQI
58AQI
61AQI
57AQI
56AQI
55AQI
55AQI
57AQI
59AQI
67AQI
74AQI
72AQI
58AQI
46AQI
36AQI
43AQI
55AQI
52AQI
54AQI
41AQI
21AQI
28AQI
41AQI
31AQI
40AQI
53AQI
33AQI
25AQI
51AQI
54AQI
36AQI
31AQI
39AQI
57AQI
73AQI
35AQI
25AQI
24AQI
31AQI
33AQI
30AQI
26AQI
42AQI
21AQI
19AQI
15AQI
19AQI
24AQI
34AQI
47AQI
30AQI
No. of days
202526AQI
Highest AQI recorded in
September47AQI
Lowest AQI recorded in
May15AQI
Most & Least Polluted Years Over the Last 1 Years
Southwest Marshall Place's annual 2025 AQI (26) shows an average percentage change of NaN% (improved AQI) compared to previous years: .