St. George, Maine, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
St. George, Maine, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 29 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
St. George, Maine, United States
6 AM19th Oct 2025
6 PM
5 AM20th Oct 2025
45AQI
8AQI
23AQI
9AQI
In the last 24 hours,
St. George's AQI reached its highest point of 45 at 6 AM during the Day, while the lowest point, 8, was recorded at 5 PM during the Day between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
St. George, Maine, United States
13°C9/18°C
12°C5/18°C
14°C7/19°C
18°C13/25°C
16°C13/19°C
15°C13/16°C
21°C18/26°C
18°C14/23°C
19°C15/24°C
19°C13/26°C
17°C13/24°C
12°C7/17°C
11°C5/18°C
13°C6/21°C
18°C11/28°C
17°C10/24°C
19°C13/27°C
18°C15/22°C
16°C9/18°C
8°C4/14°C
8°C1/14°C
11°C7/18°C
10°C6/16°C
12°C10/14°C
12°C8/17°C
11°C6/16°C
8°C5/11°C
10°C6/17°C
9°C4/17°C
11°C6/15°C
--°C/°C
23AQI
19AQI
25AQI
17AQI
2025 Days Vs Air Quality
St. George, Maine, United States
89%
185
10%
21
0.4%
1
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 293 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
St. George, Maine, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
21AQI
19AQI
26AQI
24AQI
18AQI
17AQI
23AQI
27AQI
19AQI
14AQI
16AQI
16AQI
19AQI
20AQI
25AQI
30AQI
27AQI
25AQI
33AQI
22AQI
29AQI
29AQI
49AQI
32AQI
16AQI
26AQI
21AQI
18AQI
28AQI
29AQI
12AQI
19AQI
33AQI
21AQI
17AQI
36AQI
38AQI
24AQI
19AQI
18AQI
28AQI
26AQI
23AQI
13AQI
16AQI
20AQI
25AQI
27AQI
37AQI
36AQI
25AQI
18AQI
12AQI
12AQI
17AQI
19AQI
12AQI
12AQI
13AQI
18AQI
26AQI
30AQI
25AQI
28AQI
24AQI
17AQI
18AQI
23AQI
41AQI
60AQI
60AQI
55AQI
76AQI
76AQI
40AQI
46AQI
67AQI
40AQI
34AQI
31AQI
31AQI
27AQI
24AQI
35AQI
36AQI
44AQI
48AQI
52AQI
56AQI
52AQI
32AQI
25AQI
23AQI
33AQI
39AQI
42AQI
35AQI
49AQI
43AQI
36AQI
49AQI
54AQI
40AQI
35AQI
31AQI
27AQI
29AQI
20AQI
23AQI
36AQI
46AQI
38AQI
19AQI
26AQI
24AQI
27AQI
16AQI
25AQI
33AQI
48AQI
104AQI
74AQI
61AQI
57AQI
52AQI
71AQI
50AQI
26AQI
53AQI
80AQI
68AQI
43AQI
60AQI
37AQI
33AQI
36AQI
48AQI
61AQI
59AQI
46AQI
34AQI
30AQI
40AQI
16AQI
17AQI
18AQI
20AQI
26AQI
41AQI
35AQI
26AQI
17AQI
18AQI
20AQI
24AQI
19AQI
19AQI
29AQI
33AQI
30AQI
26AQI
29AQI
41AQI
28AQI
22AQI
20AQI
22AQI
25AQI
22AQI
23AQI
27AQI
27AQI
29AQI
28AQI
23AQI
23AQI
17AQI
19AQI
18AQI
23AQI
26AQI
17AQI
13AQI
14AQI
21AQI
15AQI
13AQI
12AQI
10AQI
14AQI
36AQI
46AQI
38AQI
45AQI
17AQI
17AQI
18AQI
20AQI
29AQI
21AQI
19AQI
14AQI
17AQI
25AQI
28AQI
29AQI
22AQI
24AQI
22AQI
41AQI
41AQI
36AQI
23AQI
24AQI
No. of days
202530AQI
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
March22AQI
Most & Least Polluted Years Over the Last 1 Years
St. George's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .