Frenchtown, Montana, 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
Frenchtown, Montana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 27 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Frenchtown, Montana, United States
6 AM12th Aug 2025
9 PM
5 AM13th Aug 2025
46AQI
21AQI
35AQI
17AQI
In the last 24 hours,
Frenchtown's AQI reached its highest point of 46 at 3 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Frenchtown, Montana, United States
24°C15/33°C
14°C9/17°C
16°C5/26°C
21°C10/30°C
21°C10/30°C
20°C13/28°C
18°C9/26°C
15°C10/19°C
15°C7/23°C
17°C8/27°C
20°C9/30°C
22°C12/31°C
21°C11/31°C
20°C11/30°C
21°C12/31°C
22°C12/32°C
22°C12/31°C
22°C12/32°C
19°C11/29°C
18°C12/26°C
20°C10/29°C
19°C11/27°C
18°C10/26°C
19°C11/28°C
14°C9/21°C
12°C4/21°C
17°C9/25°C
20°C11/29°C
22°C12/30°C
23°C13/33°C
--°C/°C
30AQI
30AQI
32AQI
28AQI
2025 Days Vs Air Quality
Frenchtown, Montana, United States
99%
138
0.7%
1
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 225 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
Frenchtown, Montana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
25AQI
18AQI
15AQI
16AQI
17AQI
16AQI
18AQI
17AQI
22AQI
20AQI
26AQI
33AQI
13AQI
14AQI
28AQI
28AQI
16AQI
18AQI
25AQI
26AQI
25AQI
18AQI
20AQI
23AQI
16AQI
13AQI
14AQI
18AQI
24AQI
20AQI
29AQI
34AQI
21AQI
18AQI
17AQI
23AQI
31AQI
39AQI
20AQI
18AQI
19AQI
17AQI
21AQI
27AQI
37AQI
23AQI
18AQI
15AQI
16AQI
16AQI
17AQI
17AQI
14AQI
17AQI
15AQI
15AQI
19AQI
16AQI
19AQI
22AQI
24AQI
26AQI
27AQI
31AQI
23AQI
28AQI
27AQI
19AQI
24AQI
24AQI
25AQI
33AQI
32AQI
51AQI
47AQI
38AQI
41AQI
47AQI
28AQI
24AQI
24AQI
30AQI
28AQI
36AQI
29AQI
26AQI
22AQI
21AQI
21AQI
37AQI
35AQI
31AQI
25AQI
20AQI
21AQI
26AQI
34AQI
36AQI
31AQI
27AQI
33AQI
23AQI
27AQI
29AQI
33AQI
28AQI
25AQI
32AQI
28AQI
29AQI
28AQI
40AQI
37AQI
37AQI
33AQI
28AQI
32AQI
23AQI
27AQI
33AQI
31AQI
27AQI
29AQI
25AQI
24AQI
33AQI
29AQI
31AQI
32AQI
37AQI
45AQI
33AQI
38AQI
26AQI
17AQI
22AQI
27AQI
27AQI
21AQI
21AQI
22AQI
30AQI
30AQI
30AQI
No. of days
202526AQI
Highest AQI recorded in
August30AQI
Lowest AQI recorded in
March21AQI
Most & Least Polluted Years Over the Last 1 Years
Frenchtown's annual 2025 AQI (26) shows an average percentage change of NaN% (improved AQI) compared to previous years: .