Hood River, 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
Hood River, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Oct - 18th Oct 2025
Hood River, Oregon, United States
7 AM17th Oct 2025
6 PM
6 AM18th Oct 2025
54AQI
27AQI
47AQI
29AQI
In the last 24 hours,
Hood River's AQI reached its highest point of 54 at 7 AM during the Day, while the lowest point, 27, was recorded at 6 PM during the Day between 17th Oct and 18th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Hood River, Oregon, United States
--°C/°C
21°C13/30°C
20°C14/27°C
16°C14/20°C
17°C10/26°C
19°C11/27°C
22°C14/31°C
19°C14/23°C
18°C11/25°C
20°C12/28°C
20°C14/27°C
17°C13/22°C
15°C10/21°C
14°C11/19°C
13°C8/19°C
15°C10/20°C
15°C12/20°C
15°C10/21°C
14°C7/22°C
16°C9/24°C
15°C10/20°C
15°C11/22°C
13°C11/17°C
10°C9/13°C
9°C7/10°C
8°C4/11°C
9°C4/14°C
10°C4/16°C
12°C7/18°C
12°C10/15°C
11°C5/17°C
34AQI
29AQI
37AQI
31AQI
2025 Days Vs Air Quality
Hood River, Oregon, United States
96%
280
4%
11
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 292 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
Hood River, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
32AQI
28AQI
25AQI
26AQI
23AQI
26AQI
32AQI
32AQI
26AQI
22AQI
26AQI
32AQI
35AQI
41AQI
32AQI
28AQI
32AQI
39AQI
33AQI
40AQI
48AQI
54AQI
47AQI
37AQI
37AQI
39AQI
47AQI
57AQI
60AQI
49AQI
24AQI
27AQI
26AQI
26AQI
27AQI
31AQI
26AQI
29AQI
31AQI
27AQI
25AQI
33AQI
26AQI
26AQI
28AQI
34AQI
30AQI
30AQI
25AQI
22AQI
22AQI
26AQI
24AQI
24AQI
21AQI
24AQI
28AQI
28AQI
28AQI
24AQI
20AQI
23AQI
20AQI
19AQI
23AQI
24AQI
25AQI
18AQI
19AQI
19AQI
17AQI
21AQI
18AQI
16AQI
17AQI
17AQI
19AQI
16AQI
16AQI
17AQI
17AQI
17AQI
23AQI
21AQI
17AQI
16AQI
16AQI
25AQI
17AQI
17AQI
17AQI
17AQI
20AQI
22AQI
28AQI
21AQI
15AQI
16AQI
19AQI
17AQI
19AQI
19AQI
24AQI
23AQI
23AQI
21AQI
24AQI
23AQI
20AQI
15AQI
15AQI
18AQI
24AQI
26AQI
26AQI
21AQI
17AQI
16AQI
17AQI
21AQI
21AQI
15AQI
14AQI
16AQI
18AQI
19AQI
16AQI
19AQI
21AQI
16AQI
15AQI
14AQI
18AQI
17AQI
16AQI
14AQI
13AQI
16AQI
12AQI
13AQI
17AQI
17AQI
17AQI
19AQI
16AQI
15AQI
17AQI
17AQI
17AQI
23AQI
15AQI
17AQI
19AQI
18AQI
18AQI
20AQI
20AQI
22AQI
27AQI
25AQI
29AQI
30AQI
21AQI
21AQI
21AQI
22AQI
20AQI
17AQI
16AQI
17AQI
13AQI
13AQI
21AQI
35AQI
29AQI
19AQI
15AQI
14AQI
16AQI
18AQI
21AQI
19AQI
17AQI
17AQI
25AQI
19AQI
19AQI
23AQI
16AQI
15AQI
18AQI
22AQI
21AQI
19AQI
20AQI
23AQI
26AQI
25AQI
21AQI
22AQI
23AQI
24AQI
26AQI
24AQI
19AQI
17AQI
18AQI
19AQI
19AQI
25AQI
27AQI
30AQI
26AQI
23AQI
27AQI
38AQI
22AQI
16AQI
17AQI
19AQI
25AQI
27AQI
26AQI
28AQI
18AQI
17AQI
13AQI
16AQI
18AQI
19AQI
18AQI
18AQI
24AQI
30AQI
49AQI
51AQI
52AQI
52AQI
47AQI
44AQI
49AQI
37AQI
37AQI
44AQI
51AQI
58AQI
62AQI
54AQI
38AQI
33AQI
26AQI
34AQI
47AQI
35AQI
39AQI
26AQI
19AQI
25AQI
29AQI
27AQI
36AQI
43AQI
28AQI
21AQI
47AQI
54AQI
32AQI
24AQI
17AQI
36AQI
48AQI
18AQI
17AQI
26AQI
30AQI
38AQI
34AQI
39AQI
33AQI
30AQI
34AQI
35AQI
28AQI
27AQI
29AQI
37AQI
30AQI
46AQI
47AQI
46AQI
36AQI
27AQI
20AQI
20AQI
17AQI
20AQI
21AQI
29AQI
36AQI
34AQI
No. of days
202526AQI
Highest AQI recorded in
September36AQI
Lowest AQI recorded in
May17AQI
202424AQI
Highest AQI recorded in
September31AQI
Lowest AQI recorded in
April4AQI
202320AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
December18AQI
2020136AQI
Highest AQI recorded in
September148AQI
Lowest AQI recorded in
October24AQI
Most & Least Polluted Years Over the Last 4 Years
Hood River's annual 2025 AQI (26) shows an average percentage change of -16.5% (improved AQI) compared to previous years: 2020 (136), 2023 (20), 2024 (24).