La Crosse, 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
La Crosse, Wisconsin, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 112 of Poor air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
La Crosse, Wisconsin, United States
5 AM4th Aug 2025
8 PM
4 AM5th Aug 2025
137AQI
78AQI
84AQI
75AQI
In the last 24 hours,
La Crosse's AQI reached its highest point of 137 at 6 AM during the Day, while the lowest point, 75, was recorded at 12 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
La Crosse, Wisconsin, United States
--°C/°C
23°C18/28°C
24°C18/31°C
22°C14/30°C
21°C15/27°C
21°C17/26°C
22°C18/26°C
22°C12/29°C
24°C14/32°C
25°C19/32°C
22°C18/26°C
17°C12/22°C
18°C7/24°C
23°C19/27°C
21°C17/24°C
23°C17/29°C
25°C18/32°C
28°C23/35°C
24°C21/27°C
24°C17/30°C
24°C17/30°C
26°C19/33°C
26°C18/33°C
24°C18/28°C
21°C18/24°C
20°C14/27°C
18°C7/24°C
19°C9/28°C
18°C6/26°C
19°C10/25°C
22°C13/29°C
58AQI
58AQI
58AQI
57AQI
2025 Days Vs Air Quality
La Crosse, Wisconsin, United States
88%
189
10%
22
2%
5
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 218 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
La Crosse, Wisconsin, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
40AQI
25AQI
19AQI
20AQI
21AQI
27AQI
29AQI
51AQI
50AQI
31AQI
38AQI
23AQI
25AQI
35AQI
30AQI
27AQI
22AQI
23AQI
25AQI
25AQI
25AQI
26AQI
34AQI
30AQI
23AQI
30AQI
24AQI
27AQI
36AQI
39AQI
25AQI
43AQI
35AQI
23AQI
26AQI
35AQI
26AQI
33AQI
29AQI
39AQI
32AQI
31AQI
30AQI
43AQI
44AQI
27AQI
24AQI
25AQI
23AQI
24AQI
32AQI
44AQI
65AQI
39AQI
27AQI
31AQI
30AQI
26AQI
27AQI
28AQI
42AQI
47AQI
26AQI
26AQI
27AQI
27AQI
27AQI
30AQI
28AQI
27AQI
47AQI
52AQI
77AQI
19AQI
23AQI
28AQI
24AQI
20AQI
24AQI
21AQI
24AQI
21AQI
24AQI
25AQI
32AQI
38AQI
28AQI
27AQI
22AQI
25AQI
23AQI
22AQI
23AQI
23AQI
22AQI
22AQI
20AQI
28AQI
34AQI
38AQI
47AQI
43AQI
36AQI
28AQI
27AQI
32AQI
37AQI
28AQI
31AQI
20AQI
26AQI
24AQI
26AQI
22AQI
23AQI
23AQI
27AQI
23AQI
25AQI
23AQI
21AQI
20AQI
24AQI
21AQI
26AQI
26AQI
22AQI
26AQI
28AQI
26AQI
31AQI
29AQI
33AQI
38AQI
32AQI
27AQI
25AQI
20AQI
20AQI
18AQI
17AQI
18AQI
20AQI
21AQI
23AQI
22AQI
25AQI
25AQI
33AQI
33AQI
35AQI
44AQI
49AQI
59AQI
60AQI
61AQI
61AQI
64AQI
63AQI
62AQI
69AQI
75AQI
61AQI
52AQI
49AQI
48AQI
43AQI
37AQI
34AQI
34AQI
37AQI
39AQI
47AQI
38AQI
34AQI
32AQI
26AQI
24AQI
26AQI
25AQI
31AQI
38AQI
42AQI
45AQI
52AQI
44AQI
44AQI
48AQI
40AQI
36AQI
35AQI
43AQI
63AQI
72AQI
68AQI
55AQI
36AQI
28AQI
28AQI
28AQI
56AQI
53AQI
49AQI
41AQI
41AQI
50AQI
39AQI
35AQI
39AQI
47AQI
134AQI
128AQI
115AQI
110AQI
112AQI
29AQI
33AQI
30AQI
28AQI
25AQI
46AQI
47AQI
116AQI
No. of days
202536AQI
Highest AQI recorded in
August116AQI
Lowest AQI recorded in
May25AQI
202426AQI
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
September21AQI
202340AQI
Highest AQI recorded in
June74AQI
Lowest AQI recorded in
October25AQI
202233AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
March31AQI
202136AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
November27AQI
202033AQI
Highest AQI recorded in
December41AQI
Lowest AQI recorded in
September27AQI
Most & Least Polluted Years Over the Last 6 Years
La Crosse's annual 2025 AQI (36) shows an average percentage change of 6.9% (worsened AQI) compared to previous years: 2020 (33), 2021 (36), 2022 (33), 2023 (40), 2024 (26).