Madawaska, 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
Madawaska, Maine, United States
AQI Trends: Highest and Lowest
Same Day Analysis (18th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 30 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Oct - 19th Oct 2025
Madawaska, Maine, United States
6 AM18th Oct 2025
6 PM
5 AM19th Oct 2025
40AQI
17AQI
66AQI
27AQI
In the last 24 hours,
Madawaska's AQI reached its highest point of 66 at 7 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 18th Oct and 19th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Madawaska, Maine, United States
12°C6/14°C
9°C2/16°C
10°C2/19°C
14°C5/23°C
16°C12/21°C
13°C8/18°C
13°C8/19°C
15°C10/19°C
11°C7/18°C
13°C6/22°C
16°C10/23°C
10°C6/13°C
8°C4/12°C
8°C1/17°C
12°C3/22°C
14°C10/19°C
16°C6/28°C
20°C14/29°C
20°C13/28°C
10°C4/11°C
4°C1/7°C
6°C0/15°C
9°C1/17°C
8°C1/16°C
8°C1/17°C
8°C2/17°C
8°C5/9°C
6°C4/8°C
7°C4/12°C
7°C3/12°C
--°C/°C
32AQI
21AQI
27AQI
24AQI
2025 Days Vs Air Quality
Madawaska, Maine, United States
87%
180
13%
26
Total number of days with different AQI categories in last 292 days in 2025 (73 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 292 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
Madawaska, Maine, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
22AQI
22AQI
30AQI
17AQI
26AQI
27AQI
20AQI
26AQI
19AQI
13AQI
24AQI
35AQI
24AQI
31AQI
29AQI
32AQI
21AQI
22AQI
25AQI
21AQI
28AQI
23AQI
18AQI
17AQI
15AQI
13AQI
16AQI
32AQI
25AQI
15AQI
12AQI
29AQI
28AQI
19AQI
20AQI
25AQI
19AQI
23AQI
25AQI
23AQI
17AQI
14AQI
13AQI
13AQI
18AQI
23AQI
24AQI
31AQI
34AQI
32AQI
17AQI
13AQI
12AQI
12AQI
18AQI
14AQI
12AQI
11AQI
14AQI
21AQI
31AQI
39AQI
37AQI
23AQI
21AQI
12AQI
14AQI
20AQI
44AQI
56AQI
89AQI
99AQI
62AQI
55AQI
53AQI
40AQI
51AQI
20AQI
24AQI
32AQI
32AQI
36AQI
26AQI
26AQI
21AQI
21AQI
22AQI
33AQI
41AQI
41AQI
22AQI
22AQI
23AQI
18AQI
33AQI
40AQI
35AQI
49AQI
35AQI
28AQI
33AQI
54AQI
26AQI
29AQI
35AQI
31AQI
34AQI
36AQI
25AQI
61AQI
70AQI
62AQI
23AQI
44AQI
51AQI
32AQI
22AQI
33AQI
30AQI
42AQI
60AQI
56AQI
63AQI
62AQI
63AQI
53AQI
22AQI
45AQI
95AQI
63AQI
27AQI
31AQI
34AQI
40AQI
61AQI
65AQI
58AQI
59AQI
55AQI
35AQI
27AQI
26AQI
31AQI
14AQI
17AQI
19AQI
24AQI
30AQI
31AQI
33AQI
20AQI
19AQI
16AQI
20AQI
26AQI
20AQI
24AQI
31AQI
33AQI
33AQI
24AQI
22AQI
25AQI
25AQI
18AQI
26AQI
22AQI
27AQI
19AQI
20AQI
26AQI
23AQI
29AQI
35AQI
29AQI
17AQI
16AQI
20AQI
18AQI
19AQI
20AQI
17AQI
18AQI
24AQI
21AQI
20AQI
20AQI
19AQI
28AQI
31AQI
32AQI
41AQI
57AQI
44AQI
11AQI
12AQI
26AQI
23AQI
40AQI
39AQI
39AQI
31AQI
23AQI
25AQI
30AQI
23AQI
23AQI
21AQI
36AQI
42AQI
35AQI
23AQI
31AQI
No. of days
202530AQI
Highest AQI recorded in
July42AQI
Lowest AQI recorded in
May21AQI
Most & Least Polluted Years Over the Last 1 Years
Madawaska's annual 2025 AQI (30) shows an average percentage change of NaN% (improved AQI) compared to previous years: .