Cottonwood, Lewiston, Idaho, 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
Cottonwood, Lewiston, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 1st highest AQI at 49 of Good air quality on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Cottonwood, Lewiston, Idaho, United States
5 AM17th Aug 2026
8 PM
4 AM18th Aug 2026
71AQI
36AQI
55AQI
44AQI
In the last 24 hours,
Cottonwood's AQI reached its highest point of 71 at 3 PM during the Day, while the lowest point, 36, was recorded at 7 AM during the Day between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Cottonwood, Lewiston, Idaho, United States
20°C15/26°C
21°C15/27°C
23°C17/28°C
23°C18/31°C
23°C16/30°C
22°C16/29°C
18°C10/25°C
18°C11/25°C
19°C12/25°C
18°C11/25°C
19°C12/27°C
21°C14/29°C
21°C15/28°C
13°C7/19°C
13°C7/19°C
15°C8/24°C
19°C11/27°C
22°C14/29°C
23°C16/30°C
22°C17/28°C
20°C14/27°C
19°C13/26°C
19°C13/27°C
19°C13/25°C
18°C11/23°C
18°C13/24°C
19°C15/27°C
21°C15/27°C
21°C16/27°C
22°C15/28°C
66AQI
62AQI
62AQI
60AQI
2026 Days Vs Air Quality
Cottonwood, Lewiston, Idaho, United States
85%
192
15%
34
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 230 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
Cottonwood, Lewiston, Idaho, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI (US)
29AQI (US)
19AQI (US)
18AQI (US)
21AQI (US)
18AQI (US)
20AQI (US)
20AQI (US)
18AQI (US)
30AQI (US)
22AQI (US)
19AQI (US)
26AQI (US)
32AQI (US)
40AQI (US)
35AQI (US)
18AQI (US)
21AQI (US)
17AQI (US)
20AQI (US)
23AQI (US)
49AQI (US)
54AQI (US)
48AQI (US)
46AQI (US)
46AQI (US)
43AQI (US)
44AQI (US)
50AQI (US)
43AQI (US)
38AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
42AQI (US)
44AQI (US)
38AQI (US)
40AQI (US)
46AQI (US)
43AQI (US)
42AQI (US)
43AQI (US)
46AQI (US)
52AQI (US)
47AQI (US)
38AQI (US)
44AQI (US)
50AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
44AQI (US)
40AQI (US)
42AQI (US)
50AQI (US)
39AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
51AQI (US)
46AQI (US)
49AQI (US)
45AQI (US)
35AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
31AQI (US)
39AQI (US)
41AQI (US)
43AQI (US)
39AQI (US)
34AQI (US)
34AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
36AQI (US)
35AQI (US)
33AQI (US)
35AQI (US)
39AQI (US)
31AQI (US)
34AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
31AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
38AQI (US)
40AQI (US)
36AQI (US)
32AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
20AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
23AQI (US)
36AQI (US)
40AQI (US)
40AQI (US)
37AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
64AQI (US)
58AQI (US)
55AQI (US)
61AQI (US)
61AQI (US)
64AQI (US)
68AQI (US)
66AQI (US)
61AQI (US)
60AQI (US)
64AQI (US)
66AQI (US)
64AQI (US)
65AQI (US)
61AQI (US)
64AQI (US)
61AQI (US)
65AQI (US)
69AQI (US)
69AQI (US)
68AQI (US)
73AQI (US)
71AQI (US)
62AQI (US)
66AQI (US)
70AQI (US)
62AQI (US)
67AQI (US)
62AQI (US)
55AQI (US)
53AQI (US)
49AQI (US)
31AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
45AQI (US)
64AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August64AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
September43AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
April4AQI (US)
202310AQI (US)
Highest AQI (US) recorded in
November13AQI (US)
Lowest AQI (US) recorded in
December10AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202032AQI (US)
Highest AQI (US) recorded in
September66AQI (US)
Lowest AQI (US) recorded in
June12AQI (US)
Most & Least Polluted Years Over the Last 6 Years
Cottonwood's annual 2026 AQI (US) (37) shows an average percentage change of 69.1% (worsened AQI (US)) compared to previous years: 2020 (32), 2021 (32), 2023 (10), 2024 (33), 2025 (28).