Potosi, Wisconsin, 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
Potosi, Wisconsin, United States
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Potosi, Wisconsin, United States
6 AM2nd Oct 2025
7 PM
5 AM3rd Oct 2025
66AQI
42AQI
67AQI
53AQI
In the last 24 hours,
Potosi's AQI reached its highest point of 67 at 3 AM during the Night, while the lowest point, 42, was recorded at 9 AM during the Day between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Potosi, Wisconsin, United States
16°C11/20°C
11°C1/18°C
13°C9/17°C
11°C5/18°C
11°C3/18°C
13°C5/22°C
16°C8/23°C
17°C10/23°C
18°C11/26°C
19°C11/28°C
23°C18/30°C
22°C18/30°C
22°C16/29°C
22°C15/30°C
21°C15/28°C
20°C15/27°C
19°C16/23°C
18°C16/22°C
19°C14/24°C
20°C15/26°C
19°C15/25°C
17°C13/21°C
17°C8/25°C
20°C11/30°C
21°C12/30°C
19°C9/29°C
22°C12/31°C
22°C14/31°C
21°C14/28°C
21°C13/30°C
--°C/°C
46AQI
42AQI
45AQI
43AQI
2025 Days Vs Air Quality
Potosi, Wisconsin, United States
75%
142
24%
46
1%
2
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 276 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
Potosi, Wisconsin, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI
38AQI
24AQI
21AQI
20AQI
23AQI
30AQI
23AQI
29AQI
30AQI
30AQI
26AQI
19AQI
40AQI
48AQI
48AQI
57AQI
49AQI
29AQI
18AQI
25AQI
45AQI
44AQI
30AQI
36AQI
16AQI
30AQI
31AQI
26AQI
20AQI
19AQI
28AQI
35AQI
25AQI
29AQI
25AQI
18AQI
18AQI
25AQI
21AQI
31AQI
36AQI
19AQI
30AQI
38AQI
27AQI
37AQI
35AQI
37AQI
46AQI
31AQI
17AQI
20AQI
19AQI
20AQI
17AQI
16AQI
17AQI
20AQI
24AQI
23AQI
21AQI
26AQI
29AQI
38AQI
41AQI
45AQI
50AQI
56AQI
91AQI
75AQI
75AQI
74AQI
81AQI
68AQI
67AQI
74AQI
84AQI
61AQI
55AQI
54AQI
46AQI
28AQI
24AQI
31AQI
33AQI
43AQI
45AQI
53AQI
24AQI
27AQI
32AQI
18AQI
22AQI
31AQI
21AQI
36AQI
50AQI
45AQI
43AQI
54AQI
35AQI
56AQI
53AQI
38AQI
44AQI
33AQI
32AQI
63AQI
70AQI
65AQI
42AQI
20AQI
22AQI
25AQI
28AQI
66AQI
62AQI
50AQI
28AQI
26AQI
35AQI
25AQI
28AQI
37AQI
52AQI
150AQI
121AQI
99AQI
97AQI
98AQI
72AQI
79AQI
56AQI
54AQI
53AQI
43AQI
33AQI
35AQI
55AQI
54AQI
57AQI
43AQI
35AQI
25AQI
22AQI
24AQI
21AQI
24AQI
25AQI
22AQI
21AQI
24AQI
28AQI
30AQI
31AQI
30AQI
34AQI
37AQI
39AQI
51AQI
58AQI
39AQI
23AQI
26AQI
32AQI
33AQI
40AQI
48AQI
53AQI
57AQI
59AQI
54AQI
54AQI
51AQI
48AQI
47AQI
29AQI
28AQI
32AQI
24AQI
28AQI
25AQI
36AQI
47AQI
34AQI
53AQI
61AQI
50AQI
56AQI
26AQI
31AQI
27AQI
50AQI
46AQI
47AQI
42AQI
53AQI
No. of days
202540AQI
Highest AQI recorded in
October53AQI
Lowest AQI recorded in
March26AQI
Most & Least Polluted Years Over the Last 1 Years
Potosi's annual 2025 AQI (40) shows an average percentage change of NaN% (improved AQI) compared to previous years: .