Grangeville, 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
Grangeville, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 1st highest AQI at 60 of Moderate air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Grangeville, Idaho, United States
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
73AQI
42AQI
54AQI
40AQI
In the last 24 hours,
Grangeville's AQI reached its highest point of 73 at 6 AM during the Day, while the lowest point, 40, was recorded at 4 AM during the Night between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Grangeville, Idaho, United States
24°C18/29°C
23°C16/29°C
22°C13/28°C
22°C15/30°C
23°C15/31°C
25°C16/32°C
25°C19/33°C
24°C16/32°C
23°C17/31°C
21°C13/29°C
21°C12/29°C
22°C13/30°C
21°C12/30°C
22°C14/31°C
24°C14/34°C
24°C17/32°C
18°C11/24°C
16°C10/24°C
17°C8/27°C
21°C10/31°C
23°C13/33°C
25°C15/34°C
24°C16/32°C
23°C14/31°C
22°C15/30°C
22°C13/30°C
22°C14/29°C
21°C15/27°C
22°C16/28°C
20°C14/31°C
67AQI
64AQI
63AQI
63AQI
2026 Days Vs Air Quality
Grangeville, Idaho, United States
85%
189
15%
34
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% 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
Grangeville, Idaho, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI (US)
16AQI (US)
18AQI (US)
15AQI (US)
19AQI (US)
16AQI (US)
18AQI (US)
18AQI (US)
17AQI (US)
32AQI (US)
22AQI (US)
20AQI (US)
26AQI (US)
32AQI (US)
35AQI (US)
36AQI (US)
18AQI (US)
21AQI (US)
16AQI (US)
19AQI (US)
20AQI (US)
48AQI (US)
53AQI (US)
47AQI (US)
44AQI (US)
44AQI (US)
43AQI (US)
45AQI (US)
51AQI (US)
46AQI (US)
43AQI (US)
47AQI (US)
48AQI (US)
47AQI (US)
46AQI (US)
47AQI (US)
39AQI (US)
40AQI (US)
45AQI (US)
45AQI (US)
46AQI (US)
45AQI (US)
46AQI (US)
53AQI (US)
47AQI (US)
39AQI (US)
42AQI (US)
51AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
43AQI (US)
40AQI (US)
42AQI (US)
50AQI (US)
40AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
52AQI (US)
45AQI (US)
48AQI (US)
46AQI (US)
35AQI (US)
39AQI (US)
40AQI (US)
39AQI (US)
34AQI (US)
41AQI (US)
41AQI (US)
43AQI (US)
38AQI (US)
35AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
38AQI (US)
36AQI (US)
35AQI (US)
39AQI (US)
43AQI (US)
33AQI (US)
36AQI (US)
34AQI (US)
37AQI (US)
40AQI (US)
32AQI (US)
30AQI (US)
35AQI (US)
35AQI (US)
30AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
32AQI (US)
32AQI (US)
33AQI (US)
39AQI (US)
39AQI (US)
35AQI (US)
32AQI (US)
31AQI (US)
32AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
33AQI (US)
31AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
39AQI (US)
40AQI (US)
40AQI (US)
37AQI (US)
33AQI (US)
30AQI (US)
31AQI (US)
35AQI (US)
34AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
25AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
64AQI (US)
56AQI (US)
53AQI (US)
59AQI (US)
61AQI (US)
66AQI (US)
70AQI (US)
66AQI (US)
63AQI (US)
61AQI (US)
67AQI (US)
68AQI (US)
68AQI (US)
66AQI (US)
64AQI (US)
66AQI (US)
61AQI (US)
68AQI (US)
72AQI (US)
81AQI (US)
70AQI (US)
75AQI (US)
72AQI (US)
63AQI (US)
67AQI (US)
71AQI (US)
60AQI (US)
68AQI (US)
60AQI (US)
30AQI (US)
44AQI (US)
38AQI (US)
31AQI (US)
30AQI (US)
27AQI (US)
46AQI (US)
68AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
August68AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202528AQI (US)
Highest AQI (US) recorded in
September43AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Grangeville's annual 2026 AQI (US) (37) shows an average percentage change of 32.1% (worsened AQI (US)) compared to previous years: 2025 (28).