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!
June Air Quality Analysis
Pendleton, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 24 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Pendleton, Oregon, United States
5 AM2nd Jun 2026
8 PM
4 AM3rd Jun 2026
20AQI
10AQI
26AQI
14AQI
In the last 24 hours,
Pendleton's AQI reached its highest point of 26 at 1 AM during the Night, while the lowest point, 10, was recorded at 5 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Pendleton, Oregon, United States
21°C12/28°C
20°C11/29°C
19°C11/27°C
17°C9/26°C
18°C9/27°C
18°C9/27°C
18°C8/27°C
21°C8/30°C
15°C10/19°C
14°C7/22°C
13°C6/20°C
11°C7/15°C
12°C6/20°C
15°C6/23°C
15°C8/24°C
15°C7/21°C
18°C8/27°C
20°C8/29°C
21°C11/30°C
21°C11/30°C
21°C12/30°C
13°C10/18°C
19°C10/28°C
23°C13/32°C
18°C12/25°C
16°C9/23°C
15°C8/24°C
19°C8/28°C
20°C9/30°C
21°C12/28°C
46AQI
25AQI
34AQI
25AQI
2026 Days Vs Air Quality
Pendleton, Oregon, United States
97%
146
3%
5
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 154 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
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)
28AQI (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)
28AQI (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)
28AQI (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)
26AQI (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)
24AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
33AQI (US)
33AQI (US)
52AQI (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)
40AQI (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)
33AQI (US)
34AQI (US)
31AQI (US)
26AQI (US)
35AQI (US)
20AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
May35AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
September47AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
July36AQI (US)
Lowest AQI (US) recorded in
May9AQI (US)
202323AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
April11AQI (US)
202227AQI (US)
Highest AQI (US) recorded in
September44AQI (US)
Lowest AQI (US) recorded in
May10AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
August52AQI (US)
Lowest AQI (US) recorded in
May12AQI (US)
202037AQI (US)
Highest AQI (US) recorded in
September109AQI (US)
Lowest AQI (US) recorded in
April16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Pendleton's annual 2026 AQI (US) (32) shows an average percentage change of 20.2% (worsened AQI (US)) compared to previous years: 2020 (37), 2021 (25), 2022 (27), 2023 (23), 2024 (23), 2025 (29).