Gresham, 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
Gresham, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd June):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 29 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
Gresham, Oregon, United States
5 AM2nd Jun 2026
8 PM
4 AM3rd Jun 2026
35AQI
29AQI
33AQI
27AQI
In the last 24 hours,
Gresham's AQI reached its highest point of 35 at 9 AM during the Day, while the lowest point, 27, was recorded at 4 AM during the Night between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Gresham, Oregon, United States
16°C12/21°C
15°C12/19°C
15°C10/23°C
15°C10/21°C
17°C9/28°C
16°C12/20°C
18°C9/28°C
21°C15/30°C
14°C11/18°C
13°C10/18°C
11°C9/13°C
10°C7/13°C
11°C6/17°C
14°C8/22°C
13°C9/20°C
13°C7/20°C
19°C9/29°C
19°C12/28°C
16°C11/24°C
17°C9/27°C
14°C10/20°C
13°C9/18°C
17°C10/27°C
20°C14/29°C
14°C10/17°C
13°C6/19°C
14°C8/22°C
19°C9/29°C
23°C15/32°C
19°C14/24°C
47AQI
30AQI
38AQI
29AQI
2026 Days Vs Air Quality
Gresham, Oregon, United States
94%
142
6%
9
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% 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
Gresham, Oregon, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
18AQI (US)
27AQI (US)
12AQI (US)
20AQI (US)
28AQI (US)
11AQI (US)
11AQI (US)
14AQI (US)
49AQI (US)
48AQI (US)
43AQI (US)
60AQI (US)
61AQI (US)
41AQI (US)
17AQI (US)
20AQI (US)
26AQI (US)
20AQI (US)
27AQI (US)
26AQI (US)
48AQI (US)
54AQI (US)
48AQI (US)
45AQI (US)
46AQI (US)
44AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
45AQI (US)
48AQI (US)
49AQI (US)
49AQI (US)
48AQI (US)
47AQI (US)
39AQI (US)
40AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
40AQI (US)
42AQI (US)
48AQI (US)
48AQI (US)
39AQI (US)
44AQI (US)
46AQI (US)
40AQI (US)
41AQI (US)
38AQI (US)
34AQI (US)
37AQI (US)
40AQI (US)
46AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
39AQI (US)
40AQI (US)
55AQI (US)
46AQI (US)
46AQI (US)
41AQI (US)
38AQI (US)
40AQI (US)
40AQI (US)
40AQI (US)
35AQI (US)
43AQI (US)
42AQI (US)
40AQI (US)
35AQI (US)
36AQI (US)
36AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
37AQI (US)
37AQI (US)
39AQI (US)
37AQI (US)
31AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
31AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
26AQI (US)
33AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
23AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
34AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
47AQI (US)
52AQI (US)
58AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
41AQI (US)
49AQI (US)
49AQI (US)
47AQI (US)
43AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
35AQI (US)
43AQI (US)
37AQI (US)
28AQI (US)
36AQI (US)
30AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
April28AQI (US)
202527AQI (US)
Highest AQI (US) recorded in
November40AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Gresham's annual 2026 AQI (US) (36) shows an average percentage change of 33.3% (worsened AQI (US)) compared to previous years: 2025 (27).