Saint Maries, Idaho, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Saint Maries, Idaho, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 86 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Saint Maries, Idaho, United States
6 AM28th Sep 2025
7 PM
5 AM29th Sep 2025
107AQI
38AQI
49AQI
32AQI
In the last 24 hours,
Saint Maries's AQI reached its highest point of 107 at 8 AM during the Day, while the lowest point, 32, was recorded at 7 PM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Saint Maries, Idaho, United States
24°C14/32°C
26°C17/35°C
28°C18/37°C
27°C17/37°C
28°C20/37°C
26°C20/33°C
24°C16/32°C
25°C19/33°C
24°C19/30°C
21°C13/28°C
21°C13/29°C
21°C13/29°C
20°C13/28°C
17°C12/24°C
19°C12/28°C
15°C10/18°C
12°C8/15°C
18°C8/28°C
21°C13/30°C
21°C12/30°C
21°C13/31°C
23°C15/29°C
18°C14/24°C
15°C7/23°C
18°C8/28°C
21°C12/31°C
21°C13/30°C
15°C8/22°C
17°C9/28°C
21°C12/31°C
--°C/°C
59AQI
57AQI
58AQI
54AQI
2025 Days Vs Air Quality
Saint Maries, Idaho, United States
86%
160
14%
27
Total number of days with different AQI categories in last 272 days in 2025 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 272 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
Saint Maries, Idaho, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
22AQI
25AQI
23AQI
29AQI
21AQI
28AQI
26AQI
36AQI
29AQI
34AQI
30AQI
34AQI
18AQI
23AQI
32AQI
22AQI
29AQI
23AQI
30AQI
33AQI
38AQI
25AQI
35AQI
35AQI
30AQI
26AQI
22AQI
24AQI
24AQI
24AQI
25AQI
26AQI
25AQI
23AQI
25AQI
26AQI
26AQI
34AQI
22AQI
24AQI
25AQI
26AQI
19AQI
29AQI
32AQI
23AQI
19AQI
21AQI
25AQI
23AQI
26AQI
17AQI
17AQI
20AQI
22AQI
23AQI
28AQI
22AQI
21AQI
26AQI
30AQI
20AQI
26AQI
28AQI
19AQI
26AQI
23AQI
21AQI
25AQI
27AQI
26AQI
31AQI
27AQI
25AQI
30AQI
33AQI
38AQI
40AQI
30AQI
24AQI
23AQI
26AQI
37AQI
31AQI
25AQI
25AQI
31AQI
28AQI
28AQI
44AQI
36AQI
29AQI
22AQI
21AQI
19AQI
25AQI
27AQI
29AQI
29AQI
26AQI
35AQI
24AQI
25AQI
28AQI
31AQI
21AQI
25AQI
29AQI
25AQI
26AQI
23AQI
26AQI
31AQI
29AQI
27AQI
27AQI
29AQI
35AQI
32AQI
33AQI
25AQI
20AQI
22AQI
24AQI
25AQI
30AQI
39AQI
43AQI
50AQI
42AQI
36AQI
33AQI
32AQI
24AQI
20AQI
23AQI
22AQI
29AQI
33AQI
47AQI
53AQI
26AQI
20AQI
15AQI
21AQI
31AQI
33AQI
25AQI
42AQI
59AQI
52AQI
55AQI
57AQI
62AQI
61AQI
55AQI
54AQI
65AQI
61AQI
61AQI
73AQI
80AQI
85AQI
97AQI
69AQI
57AQI
57AQI
68AQI
58AQI
51AQI
60AQI
49AQI
31AQI
33AQI
42AQI
42AQI
45AQI
48AQI
53AQI
32AQI
43AQI
46AQI
40AQI
64AQI
82AQI
86AQI
26AQI
28AQI
24AQI
28AQI
28AQI
39AQI
58AQI
No. of days
202534AQI
Highest AQI recorded in
September58AQI
Lowest AQI recorded in
May24AQI
Most & Least Polluted Years Over the Last 1 Years
Saint Maries's annual 2025 AQI (34) shows an average percentage change of NaN% (improved AQI) compared to previous years: .