Shorewood, 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
Shorewood, Wisconsin, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
Shorewood, Wisconsin, United States
6 AM3rd Oct 2025
6 PM
5 AM4th Oct 2025
64AQI
40AQI
97AQI
63AQI
In the last 24 hours,
Shorewood's AQI reached its highest point of 97 at 3 AM during the Night, while the lowest point, 40, was recorded at 6 AM during the Day between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Shorewood, Wisconsin, United States
--°C/°C
16°C12/21°C
13°C8/20°C
14°C7/21°C
16°C7/24°C
18°C12/24°C
18°C14/21°C
18°C16/21°C
18°C14/23°C
21°C17/26°C
20°C18/25°C
20°C17/24°C
20°C16/28°C
22°C15/29°C
22°C18/29°C
20°C18/22°C
20°C19/23°C
21°C19/24°C
20°C16/24°C
18°C16/19°C
18°C16/19°C
18°C14/23°C
18°C15/24°C
21°C13/29°C
19°C15/23°C
19°C13/24°C
20°C16/26°C
20°C18/23°C
20°C18/23°C
22°C16/30°C
23°C17/29°C
40AQI
38AQI
41AQI
41AQI
2025 Days Vs Air Quality
Shorewood, Wisconsin, United States
81%
223
17%
48
1%
4
0.3%
1
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 278 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
Shorewood, Wisconsin, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
30AQI
24AQI
19AQI
20AQI
21AQI
24AQI
27AQI
50AQI
68AQI
45AQI
47AQI
24AQI
30AQI
33AQI
36AQI
30AQI
21AQI
20AQI
21AQI
23AQI
25AQI
30AQI
38AQI
34AQI
23AQI
23AQI
24AQI
22AQI
37AQI
41AQI
21AQI
47AQI
42AQI
21AQI
23AQI
34AQI
26AQI
37AQI
35AQI
36AQI
38AQI
33AQI
30AQI
46AQI
48AQI
24AQI
26AQI
26AQI
25AQI
25AQI
32AQI
43AQI
63AQI
42AQI
30AQI
46AQI
39AQI
23AQI
30AQI
24AQI
41AQI
41AQI
29AQI
22AQI
30AQI
23AQI
24AQI
26AQI
26AQI
28AQI
43AQI
54AQI
83AQI
21AQI
22AQI
29AQI
26AQI
18AQI
23AQI
17AQI
22AQI
21AQI
27AQI
27AQI
43AQI
48AQI
28AQI
21AQI
17AQI
19AQI
28AQI
24AQI
27AQI
22AQI
24AQI
25AQI
17AQI
35AQI
46AQI
49AQI
53AQI
46AQI
28AQI
14AQI
17AQI
32AQI
50AQI
32AQI
30AQI
18AQI
23AQI
43AQI
42AQI
26AQI
17AQI
31AQI
33AQI
31AQI
19AQI
28AQI
24AQI
17AQI
21AQI
25AQI
34AQI
36AQI
20AQI
27AQI
32AQI
23AQI
37AQI
35AQI
34AQI
43AQI
34AQI
21AQI
19AQI
15AQI
21AQI
19AQI
16AQI
16AQI
21AQI
24AQI
28AQI
30AQI
30AQI
37AQI
47AQI
37AQI
30AQI
38AQI
56AQI
89AQI
100AQI
79AQI
71AQI
78AQI
76AQI
59AQI
74AQI
84AQI
52AQI
41AQI
45AQI
53AQI
51AQI
39AQI
32AQI
41AQI
45AQI
47AQI
55AQI
34AQI
36AQI
47AQI
33AQI
24AQI
32AQI
31AQI
31AQI
50AQI
47AQI
48AQI
66AQI
45AQI
48AQI
58AQI
53AQI
45AQI
41AQI
35AQI
72AQI
88AQI
74AQI
61AQI
23AQI
22AQI
34AQI
31AQI
90AQI
60AQI
60AQI
51AQI
33AQI
72AQI
36AQI
37AQI
42AQI
55AQI
152AQI
100AQI
108AQI
125AQI
117AQI
106AQI
93AQI
66AQI
55AQI
55AQI
37AQI
41AQI
35AQI
54AQI
70AQI
74AQI
61AQI
39AQI
29AQI
23AQI
18AQI
20AQI
31AQI
32AQI
19AQI
17AQI
25AQI
31AQI
32AQI
18AQI
24AQI
38AQI
41AQI
39AQI
46AQI
30AQI
35AQI
19AQI
24AQI
29AQI
33AQI
49AQI
49AQI
48AQI
57AQI
57AQI
54AQI
55AQI
56AQI
56AQI
46AQI
37AQI
33AQI
35AQI
31AQI
24AQI
29AQI
29AQI
34AQI
31AQI
38AQI
42AQI
27AQI
28AQI
55AQI
30AQI
34AQI
30AQI
30AQI
27AQI
52AQI
54AQI
51AQI
40AQI
37AQI
No. of days
202539AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
May27AQI
202434AQI
Highest AQI recorded in
September38AQI
Lowest AQI recorded in
May27AQI
202334AQI
Highest AQI recorded in
December34AQI
Lowest AQI recorded in
November28AQI
202141AQI
Highest AQI recorded in
January44AQI
Lowest AQI recorded in
April32AQI
202036AQI
Highest AQI recorded in
December41AQI
Lowest AQI recorded in
September31AQI
Most & Least Polluted Years Over the Last 5 Years
Shorewood's annual 2025 AQI (39) shows an average percentage change of 8.5% (worsened AQI) compared to previous years: 2020 (36), 2021 (41), 2023 (34), 2024 (34).