Idaho City, 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
Idaho City, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Idaho City, Idaho, United States
6 AM10th Aug 2025
9 PM
5 AM11th Aug 2025
26AQI
19AQI
26AQI
16AQI
In the last 24 hours,
Idaho City's AQI reached its highest point of 26 at 6 AM during the Day, while the lowest point, 16, was recorded at 2 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Idaho City, Idaho, United States
23°C14/29°C
25°C15/31°C
25°C17/32°C
23°C17/28°C
21°C12/27°C
23°C13/30°C
24°C16/31°C
22°C17/27°C
21°C14/26°C
18°C13/21°C
19°C12/25°C
20°C12/27°C
22°C12/29°C
23°C14/29°C
23°C14/29°C
22°C13/28°C
24°C14/31°C
23°C16/29°C
23°C13/31°C
21°C14/30°C
20°C14/26°C
21°C15/28°C
22°C14/29°C
20°C13/26°C
20°C12/26°C
21°C13/28°C
19°C15/23°C
17°C10/23°C
19°C11/26°C
21°C12/28°C
--°C/°C
31AQI
26AQI
34AQI
28AQI
2025 Days Vs Air Quality
Idaho City, Idaho, United States
100%
138
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 223 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
Idaho City, Idaho, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
25AQI
32AQI
38AQI
24AQI
20AQI
27AQI
27AQI
27AQI
32AQI
34AQI
33AQI
34AQI
35AQI
30AQI
31AQI
43AQI
43AQI
35AQI
37AQI
33AQI
32AQI
32AQI
28AQI
25AQI
30AQI
29AQI
26AQI
27AQI
32AQI
31AQI
29AQI
31AQI
35AQI
32AQI
38AQI
31AQI
37AQI
32AQI
32AQI
28AQI
28AQI
24AQI
27AQI
31AQI
30AQI
31AQI
32AQI
33AQI
25AQI
26AQI
25AQI
29AQI
31AQI
29AQI
28AQI
26AQI
25AQI
25AQI
28AQI
30AQI
30AQI
32AQI
34AQI
30AQI
37AQI
29AQI
25AQI
28AQI
20AQI
17AQI
23AQI
24AQI
29AQI
31AQI
29AQI
32AQI
31AQI
31AQI
29AQI
30AQI
31AQI
26AQI
27AQI
27AQI
33AQI
30AQI
29AQI
29AQI
26AQI
24AQI
25AQI
29AQI
34AQI
32AQI
28AQI
29AQI
28AQI
33AQI
37AQI
36AQI
36AQI
36AQI
29AQI
24AQI
29AQI
27AQI
26AQI
29AQI
32AQI
36AQI
30AQI
29AQI
31AQI
32AQI
44AQI
39AQI
31AQI
28AQI
22AQI
27AQI
29AQI
30AQI
33AQI
32AQI
27AQI
26AQI
25AQI
36AQI
38AQI
36AQI
38AQI
30AQI
24AQI
26AQI
27AQI
20AQI
21AQI
26AQI
28AQI
32AQI
29AQI
28AQI
31AQI
29AQI
No. of days
202530AQI
Highest AQI recorded in
April32AQI
Lowest AQI recorded in
March28AQI
Most & Least Polluted Years Over the Last 1 Years
Idaho City's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .