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!
August Air Quality Analysis
Southwest Marshall Place, Pendleton, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 66 of Moderate air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Southwest Marshall Place, Pendleton, Oregon, United States
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
72AQI
53AQI
71AQI
65AQI
In the last 24 hours,
Southwest Marshall Place's AQI reached its highest point of 72 at 10 AM during the Day, while the lowest point, 53, was recorded at 2 PM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Southwest Marshall Place, Pendleton, Oregon, United States
25°C16/33°C
24°C15/33°C
25°C14/34°C
24°C18/32°C
27°C16/37°C
31°C20/40°C
29°C21/37°C
28°C18/37°C
26°C19/34°C
23°C14/31°C
24°C14/33°C
24°C15/32°C
23°C15/31°C
24°C14/33°C
26°C16/35°C
24°C18/31°C
20°C11/28°C
19°C10/28°C
21°C9/32°C
24°C12/35°C
26°C14/37°C
28°C18/38°C
27°C17/36°C
25°C16/34°C
25°C15/33°C
25°C15/33°C
24°C16/32°C
23°C15/31°C
24°C17/32°C
23°C17/30°C
89AQI
76AQI
92AQI
81AQI
2026 Days Vs Air Quality
Southwest Marshall Place, Pendleton, Oregon, United States
85%
190
12%
27
2%
5
0.4%
1
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 227 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
50AQI (US)
41AQI (US)
36AQI (US)
25AQI (US)
29AQI (US)
33AQI (US)
9AQI (US)
10AQI (US)
13AQI (US)
64AQI (US)
48AQI (US)
41AQI (US)
42AQI (US)
37AQI (US)
47AQI (US)
23AQI (US)
19AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
27AQI (US)
37AQI (US)
38AQI (US)
34AQI (US)
37AQI (US)
37AQI (US)
27AQI (US)
31AQI (US)
37AQI (US)
49AQI (US)
27AQI (US)
42AQI (US)
47AQI (US)
42AQI (US)
36AQI (US)
40AQI (US)
29AQI (US)
28AQI (US)
39AQI (US)
44AQI (US)
37AQI (US)
32AQI (US)
24AQI (US)
23AQI (US)
29AQI (US)
29AQI (US)
43AQI (US)
39AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
34AQI (US)
31AQI (US)
45AQI (US)
38AQI (US)
30AQI (US)
33AQI (US)
30AQI (US)
32AQI (US)
45AQI (US)
29AQI (US)
40AQI (US)
37AQI (US)
28AQI (US)
37AQI (US)
52AQI (US)
30AQI (US)
32AQI (US)
39AQI (US)
48AQI (US)
41AQI (US)
34AQI (US)
28AQI (US)
21AQI (US)
27AQI (US)
32AQI (US)
26AQI (US)
39AQI (US)
35AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
30AQI (US)
19AQI (US)
16AQI (US)
21AQI (US)
12AQI (US)
32AQI (US)
20AQI (US)
23AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
29AQI (US)
24AQI (US)
41AQI (US)
29AQI (US)
32AQI (US)
28AQI (US)
19AQI (US)
18AQI (US)
28AQI (US)
41AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
28AQI (US)
17AQI (US)
26AQI (US)
19AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
33AQI (US)
33AQI (US)
53AQI (US)
22AQI (US)
44AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
62AQI (US)
23AQI (US)
42AQI (US)
48AQI (US)
55AQI (US)
48AQI (US)
45AQI (US)
46AQI (US)
38AQI (US)
39AQI (US)
46AQI (US)
42AQI (US)
45AQI (US)
19AQI (US)
16AQI (US)
26AQI (US)
34AQI (US)
16AQI (US)
20AQI (US)
21AQI (US)
14AQI (US)
24AQI (US)
16AQI (US)
28AQI (US)
17AQI (US)
21AQI (US)
22AQI (US)
42AQI (US)
26AQI (US)
20AQI (US)
24AQI (US)
14AQI (US)
18AQI (US)
26AQI (US)
52AQI (US)
26AQI (US)
21AQI (US)
30AQI (US)
34AQI (US)
17AQI (US)
25AQI (US)
37AQI (US)
27AQI (US)
34AQI (US)
37AQI (US)
24AQI (US)
31AQI (US)
29AQI (US)
16AQI (US)
15AQI (US)
15AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
28AQI (US)
22AQI (US)
20AQI (US)
18AQI (US)
23AQI (US)
37AQI (US)
24AQI (US)
21AQI (US)
34AQI (US)
34AQI (US)
40AQI (US)
90AQI (US)
53AQI (US)
47AQI (US)
91AQI (US)
114AQI (US)
117AQI (US)
97AQI (US)
64AQI (US)
66AQI (US)
65AQI (US)
75AQI (US)
79AQI (US)
56AQI (US)
75AQI (US)
69AQI (US)
72AQI (US)
50AQI (US)
95AQI (US)
146AQI (US)
154AQI (US)
150AQI (US)
124AQI (US)
82AQI (US)
63AQI (US)
66AQI (US)
71AQI (US)
69AQI (US)
76AQI (US)
66AQI (US)
33AQI (US)
35AQI (US)
31AQI (US)
26AQI (US)
35AQI (US)
26AQI (US)
50AQI (US)
92AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August92AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
September47AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Southwest Marshall Place's annual 2026 AQI (US) (37) shows an average percentage change of 27.5% (worsened AQI (US)) compared to previous years: 2025 (29).