Ashland, 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
Ashland, Wisconsin, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 26 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Ashland, Wisconsin, United States
7 AM14th Oct 2025
6 PM
6 AM15th Oct 2025
47AQI
22AQI
46AQI
32AQI
In the last 24 hours,
Ashland's AQI reached its highest point of 47 at 3 PM during the Day, while the lowest point, 22, was recorded at 9 AM during the Day between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ashland, Wisconsin, United States
23°C18/30°C
25°C21/31°C
21°C15/23°C
17°C14/19°C
18°C14/21°C
18°C15/22°C
18°C14/22°C
16°C13/20°C
15°C14/18°C
16°C13/22°C
17°C10/26°C
15°C10/19°C
16°C12/22°C
16°C9/25°C
19°C12/29°C
16°C11/20°C
19°C13/26°C
21°C16/28°C
21°C16/27°C
24°C18/30°C
23°C15/27°C
12°C8/15°C
9°C6/15°C
7°C-1/15°C
11°C3/19°C
13°C8/15°C
9°C1/17°C
14°C10/19°C
13°C7/17°C
7°C1/11°C
--°C/°C
37AQI
37AQI
38AQI
37AQI
2025 Days Vs Air Quality
Ashland, Wisconsin, United States
85%
244
14%
39
1%
3
0.3%
1
Total number of days with different AQI categories in last 288 days in 2025 (77 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 288 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
Ashland, Wisconsin, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
22AQI
22AQI
24AQI
25AQI
27AQI
23AQI
23AQI
36AQI
40AQI
24AQI
25AQI
26AQI
24AQI
29AQI
31AQI
26AQI
28AQI
28AQI
26AQI
27AQI
26AQI
27AQI
28AQI
30AQI
29AQI
29AQI
28AQI
29AQI
30AQI
27AQI
29AQI
32AQI
27AQI
25AQI
26AQI
28AQI
29AQI
28AQI
29AQI
31AQI
26AQI
27AQI
26AQI
40AQI
37AQI
26AQI
24AQI
23AQI
23AQI
26AQI
27AQI
37AQI
55AQI
29AQI
28AQI
27AQI
27AQI
28AQI
29AQI
27AQI
32AQI
38AQI
30AQI
28AQI
29AQI
27AQI
29AQI
25AQI
30AQI
27AQI
23AQI
33AQI
54AQI
16AQI
20AQI
17AQI
19AQI
19AQI
21AQI
29AQI
24AQI
18AQI
20AQI
21AQI
22AQI
17AQI
17AQI
16AQI
17AQI
18AQI
18AQI
16AQI
18AQI
19AQI
24AQI
16AQI
18AQI
29AQI
42AQI
36AQI
34AQI
50AQI
28AQI
15AQI
17AQI
29AQI
27AQI
18AQI
16AQI
15AQI
17AQI
20AQI
15AQI
16AQI
18AQI
21AQI
31AQI
17AQI
16AQI
19AQI
16AQI
13AQI
18AQI
21AQI
29AQI
16AQI
17AQI
25AQI
19AQI
22AQI
22AQI
26AQI
37AQI
31AQI
30AQI
17AQI
16AQI
14AQI
14AQI
16AQI
18AQI
14AQI
15AQI
17AQI
19AQI
21AQI
23AQI
30AQI
33AQI
38AQI
43AQI
51AQI
59AQI
65AQI
60AQI
58AQI
63AQI
63AQI
54AQI
59AQI
71AQI
51AQI
27AQI
24AQI
27AQI
35AQI
32AQI
35AQI
40AQI
31AQI
30AQI
30AQI
37AQI
38AQI
39AQI
33AQI
23AQI
25AQI
23AQI
23AQI
34AQI
35AQI
42AQI
48AQI
36AQI
40AQI
32AQI
34AQI
34AQI
36AQI
35AQI
51AQI
82AQI
85AQI
76AQI
43AQI
32AQI
41AQI
29AQI
45AQI
54AQI
53AQI
48AQI
36AQI
41AQI
58AQI
38AQI
39AQI
58AQI
71AQI
136AQI
157AQI
143AQI
101AQI
88AQI
80AQI
66AQI
62AQI
53AQI
52AQI
35AQI
56AQI
60AQI
67AQI
67AQI
56AQI
37AQI
18AQI
18AQI
20AQI
18AQI
22AQI
30AQI
23AQI
16AQI
21AQI
26AQI
32AQI
27AQI
21AQI
28AQI
41AQI
44AQI
39AQI
32AQI
21AQI
20AQI
17AQI
20AQI
32AQI
49AQI
38AQI
26AQI
43AQI
45AQI
50AQI
51AQI
55AQI
54AQI
38AQI
20AQI
25AQI
29AQI
31AQI
24AQI
30AQI
35AQI
33AQI
32AQI
26AQI
34AQI
24AQI
33AQI
48AQI
57AQI
60AQI
56AQI
46AQI
33AQI
31AQI
28AQI
34AQI
40AQI
34AQI
42AQI
26AQI
27AQI
29AQI
25AQI
22AQI
21AQI
42AQI
49AQI
50AQI
34AQI
41AQI
No. of days
202534AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
May21AQI
202428AQI
Highest AQI recorded in
July35AQI
Lowest AQI recorded in
November21AQI
202336AQI
Highest AQI recorded in
June62AQI
Lowest AQI recorded in
November18AQI
202229AQI
Highest AQI recorded in
March32AQI
Lowest AQI recorded in
August24AQI
202132AQI
Highest AQI recorded in
July48AQI
Lowest AQI recorded in
October23AQI
202027AQI
Highest AQI recorded in
November30AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Ashland's annual 2025 AQI (34) shows an average percentage change of 11.4% (worsened AQI) compared to previous years: 2020 (27), 2021 (32), 2022 (29), 2023 (36), 2024 (28).