Cottage Grove, 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
Cottage Grove, Oregon, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 55 of Moderate air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Cottage Grove, Oregon, United States
6 AM14th Aug 2026
8 PM
5 AM15th Aug 2026
47AQI
41AQI
58AQI
34AQI
In the last 24 hours,
Cottage Grove's AQI reached its highest point of 58 at 4 AM during the Night, while the lowest point, 34, was recorded at 3 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Cottage Grove, Oregon, United States
20°C9/30°C
22°C12/31°C
24°C14/33°C
26°C18/37°C
29°C19/39°C
26°C19/36°C
22°C16/31°C
22°C14/32°C
20°C13/29°C
21°C14/30°C
21°C12/32°C
22°C15/30°C
21°C14/30°C
21°C12/30°C
23°C13/33°C
19°C15/26°C
19°C11/27°C
21°C11/31°C
25°C14/36°C
26°C16/37°C
26°C15/37°C
25°C14/36°C
25°C15/34°C
23°C14/33°C
22°C13/31°C
23°C14/32°C
22°C15/30°C
22°C14/30°C
21°C14/31°C
20°C12/29°C
59AQI
45AQI
59AQI
52AQI
2026 Days Vs Air Quality
Cottage Grove, Oregon, United States
84%
188
16%
36
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% 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
Cottage Grove, Oregon, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI (US)
51AQI (US)
24AQI (US)
14AQI (US)
28AQI (US)
32AQI (US)
20AQI (US)
28AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
37AQI (US)
42AQI (US)
47AQI (US)
40AQI (US)
44AQI (US)
52AQI (US)
58AQI (US)
60AQI (US)
61AQI (US)
66AQI (US)
56AQI (US)
55AQI (US)
48AQI (US)
49AQI (US)
47AQI (US)
37AQI (US)
42AQI (US)
51AQI (US)
57AQI (US)
42AQI (US)
47AQI (US)
48AQI (US)
49AQI (US)
44AQI (US)
49AQI (US)
42AQI (US)
41AQI (US)
45AQI (US)
45AQI (US)
45AQI (US)
40AQI (US)
41AQI (US)
49AQI (US)
48AQI (US)
37AQI (US)
45AQI (US)
44AQI (US)
40AQI (US)
42AQI (US)
38AQI (US)
34AQI (US)
38AQI (US)
40AQI (US)
47AQI (US)
43AQI (US)
35AQI (US)
37AQI (US)
36AQI (US)
41AQI (US)
61AQI (US)
45AQI (US)
49AQI (US)
39AQI (US)
31AQI (US)
42AQI (US)
40AQI (US)
36AQI (US)
35AQI (US)
42AQI (US)
39AQI (US)
42AQI (US)
34AQI (US)
33AQI (US)
38AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
47AQI (US)
38AQI (US)
36AQI (US)
38AQI (US)
38AQI (US)
32AQI (US)
28AQI (US)
29AQI (US)
30AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
34AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
25AQI (US)
30AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
24AQI (US)
35AQI (US)
36AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
27AQI (US)
23AQI (US)
48AQI (US)
51AQI (US)
58AQI (US)
57AQI (US)
56AQI (US)
51AQI (US)
41AQI (US)
49AQI (US)
49AQI (US)
46AQI (US)
43AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
44AQI (US)
42AQI (US)
45AQI (US)
48AQI (US)
60AQI (US)
56AQI (US)
58AQI (US)
49AQI (US)
52AQI (US)
54AQI (US)
50AQI (US)
53AQI (US)
49AQI (US)
59AQI (US)
52AQI (US)
52AQI (US)
49AQI (US)
54AQI (US)
69AQI (US)
71AQI (US)
70AQI (US)
70AQI (US)
55AQI (US)
67AQI (US)
55AQI (US)
52AQI (US)
47AQI (US)
47AQI (US)
44AQI (US)
55AQI (US)
43AQI (US)
42AQI (US)
37AQI (US)
29AQI (US)
36AQI (US)
26AQI (US)
39AQI (US)
57AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
January50AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202427AQI (US)
Highest AQI (US) recorded in
December41AQI (US)
Lowest AQI (US) recorded in
May14AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
August62AQI (US)
Lowest AQI (US) recorded in
June11AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
October106AQI (US)
Lowest AQI (US) recorded in
May12AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
August55AQI (US)
Lowest AQI (US) recorded in
May15AQI (US)
202041AQI (US)
Highest AQI (US) recorded in
September135AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Cottage Grove's annual 2026 AQI (US) (38) shows an average percentage change of 17.8% (worsened AQI (US)) compared to previous years: 2020 (41), 2021 (30), 2022 (39), 2023 (29), 2024 (27), 2025 (32).