Stayton, Oregon, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Stayton, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (27th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Sep - 28th Sep 2025
Stayton, Oregon, United States
6 AM27th Sep 2025
7 PM
5 AM28th Sep 2025
39AQI
33AQI
37AQI
28AQI
In the last 24 hours,
Stayton's AQI reached its highest point of 39 at 12 PM during the Day, while the lowest point, 28, was recorded at 2 AM during the Night between 27th Sep and 28th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Stayton, Oregon, United States
20°C12/31°C
19°C11/27°C
21°C13/30°C
18°C14/23°C
23°C13/34°C
24°C16/34°C
24°C15/36°C
23°C16/32°C
18°C13/23°C
19°C16/23°C
18°C13/23°C
19°C15/23°C
18°C15/24°C
18°C16/23°C
18°C15/23°C
18°C11/29°C
17°C13/21°C
16°C7/25°C
22°C11/36°C
19°C12/27°C
19°C12/27°C
19°C10/31°C
19°C12/29°C
16°C12/20°C
16°C7/26°C
20°C10/33°C
21°C12/32°C
18°C12/26°C
16°C7/24°C
18°C9/29°C
--°C/°C
35AQI
35AQI
37AQI
36AQI
2025 Days Vs Air Quality
Stayton, Oregon, United States
96%
258
4%
12
Total number of days with different AQI categories in last 271 days in 2025 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2025, 96% of 271 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
Stayton, Oregon, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
31AQI
22AQI
20AQI
20AQI
21AQI
27AQI
35AQI
34AQI
34AQI
20AQI
28AQI
30AQI
33AQI
42AQI
32AQI
35AQI
32AQI
47AQI
38AQI
47AQI
55AQI
58AQI
58AQI
41AQI
45AQI
53AQI
54AQI
64AQI
55AQI
37AQI
20AQI
27AQI
26AQI
34AQI
32AQI
27AQI
23AQI
26AQI
32AQI
35AQI
27AQI
34AQI
23AQI
25AQI
31AQI
23AQI
18AQI
21AQI
20AQI
20AQI
20AQI
20AQI
16AQI
20AQI
19AQI
25AQI
31AQI
32AQI
33AQI
24AQI
19AQI
21AQI
23AQI
23AQI
30AQI
34AQI
34AQI
25AQI
31AQI
21AQI
18AQI
18AQI
17AQI
16AQI
16AQI
15AQI
17AQI
14AQI
15AQI
21AQI
19AQI
19AQI
22AQI
29AQI
16AQI
16AQI
16AQI
23AQI
16AQI
18AQI
17AQI
18AQI
29AQI
28AQI
26AQI
14AQI
13AQI
15AQI
19AQI
19AQI
18AQI
24AQI
27AQI
33AQI
26AQI
28AQI
26AQI
29AQI
21AQI
14AQI
17AQI
25AQI
28AQI
27AQI
25AQI
18AQI
13AQI
17AQI
19AQI
27AQI
24AQI
14AQI
14AQI
18AQI
20AQI
24AQI
16AQI
21AQI
21AQI
14AQI
14AQI
14AQI
17AQI
18AQI
19AQI
13AQI
14AQI
15AQI
11AQI
13AQI
17AQI
16AQI
21AQI
15AQI
14AQI
16AQI
20AQI
14AQI
18AQI
22AQI
14AQI
19AQI
18AQI
16AQI
18AQI
21AQI
17AQI
24AQI
28AQI
26AQI
26AQI
25AQI
19AQI
19AQI
21AQI
23AQI
18AQI
15AQI
16AQI
15AQI
12AQI
12AQI
22AQI
38AQI
30AQI
19AQI
13AQI
14AQI
16AQI
20AQI
20AQI
15AQI
15AQI
17AQI
28AQI
20AQI
19AQI
22AQI
16AQI
14AQI
17AQI
19AQI
19AQI
16AQI
18AQI
26AQI
24AQI
25AQI
20AQI
20AQI
21AQI
23AQI
22AQI
19AQI
16AQI
16AQI
18AQI
18AQI
18AQI
20AQI
24AQI
28AQI
24AQI
21AQI
25AQI
30AQI
19AQI
17AQI
17AQI
21AQI
25AQI
31AQI
31AQI
35AQI
16AQI
14AQI
13AQI
16AQI
16AQI
19AQI
19AQI
18AQI
25AQI
40AQI
49AQI
50AQI
52AQI
44AQI
37AQI
37AQI
40AQI
43AQI
29AQI
35AQI
55AQI
63AQI
63AQI
41AQI
34AQI
35AQI
31AQI
39AQI
42AQI
28AQI
38AQI
18AQI
20AQI
23AQI
27AQI
25AQI
42AQI
40AQI
25AQI
21AQI
29AQI
52AQI
40AQI
28AQI
37AQI
38AQI
25AQI
21AQI
22AQI
17AQI
20AQI
20AQI
28AQI
36AQI
No. of days
202525AQI
Highest AQI recorded in
January38AQI
Lowest AQI recorded in
May17AQI
202423AQI
Highest AQI recorded in
December35AQI
Lowest AQI recorded in
May13AQI
202328AQI
Highest AQI recorded in
November45AQI
Lowest AQI recorded in
April16AQI
202230AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
April17AQI
202126AQI
Highest AQI recorded in
March36AQI
Lowest AQI recorded in
December18AQI
202043AQI
Highest AQI recorded in
September146AQI
Lowest AQI recorded in
June21AQI
Most & Least Polluted Years Over the Last 6 Years
Stayton's annual 2025 AQI (25) shows an average percentage change of -12.7% (improved AQI) compared to previous years: 2020 (43), 2021 (26), 2022 (30), 2023 (28), 2024 (23).