Horicon, Wisconsin, 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
Horicon, Wisconsin, United States
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Horicon, Wisconsin, United States
5 AM10th Aug 2025
8 PM
4 AM11th Aug 2025
32AQI
22AQI
36AQI
29AQI
In the last 24 hours,
Horicon's AQI reached its highest point of 36 at 1 AM during the Night, while the lowest point, 22, was recorded at 8 AM during the Day between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Horicon, Wisconsin, United States
23°C18/30°C
21°C14/28°C
23°C14/31°C
24°C17/32°C
23°C16/33°C
17°C12/21°C
17°C5/27°C
22°C16/29°C
20°C15/24°C
19°C11/28°C
22°C12/31°C
25°C19/34°C
26°C22/30°C
24°C19/30°C
23°C18/28°C
26°C18/33°C
27°C21/34°C
26°C20/34°C
20°C17/23°C
18°C11/25°C
18°C8/26°C
18°C6/27°C
19°C8/28°C
19°C9/28°C
21°C12/30°C
21°C13/28°C
24°C16/31°C
27°C20/33°C
25°C19/32°C
23°C21/26°C
--°C/°C
65AQI
65AQI
65AQI
64AQI
2025 Days Vs Air Quality
Horicon, Wisconsin, United States
74%
101
21%
29
4%
5
0.7%
1
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 223 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
Horicon, Wisconsin, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
48AQI
25AQI
15AQI
16AQI
17AQI
23AQI
18AQI
19AQI
18AQI
20AQI
22AQI
15AQI
34AQI
43AQI
43AQI
57AQI
44AQI
26AQI
13AQI
13AQI
29AQI
44AQI
22AQI
25AQI
16AQI
22AQI
30AQI
26AQI
17AQI
15AQI
25AQI
36AQI
26AQI
15AQI
20AQI
18AQI
14AQI
21AQI
19AQI
27AQI
27AQI
15AQI
22AQI
27AQI
18AQI
32AQI
34AQI
29AQI
43AQI
30AQI
18AQI
17AQI
14AQI
15AQI
15AQI
15AQI
13AQI
18AQI
20AQI
22AQI
21AQI
25AQI
26AQI
39AQI
33AQI
27AQI
38AQI
55AQI
111AQI
85AQI
74AQI
71AQI
73AQI
69AQI
61AQI
75AQI
93AQI
43AQI
45AQI
43AQI
53AQI
44AQI
29AQI
32AQI
37AQI
37AQI
42AQI
55AQI
27AQI
43AQI
34AQI
24AQI
21AQI
32AQI
25AQI
31AQI
49AQI
41AQI
45AQI
61AQI
36AQI
56AQI
57AQI
44AQI
44AQI
37AQI
34AQI
79AQI
93AQI
66AQI
54AQI
19AQI
19AQI
30AQI
35AQI
87AQI
58AQI
62AQI
41AQI
35AQI
79AQI
34AQI
29AQI
36AQI
70AQI
155AQI
108AQI
108AQI
128AQI
121AQI
88AQI
90AQI
64AQI
53AQI
52AQI
28AQI
26AQI
23AQI
50AQI
52AQI
90AQI
No. of days
202541AQI
Highest AQI recorded in
August90AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
Horicon's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .