West Duluth, Duluth, Minnesota, 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
West Duluth, Duluth, Minnesota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
West Duluth, Duluth, Minnesota, United States
7 AM10th Oct 2025
6 PM
6 AM11th Oct 2025
54AQI
15AQI
54AQI
17AQI
In the last 24 hours,
West Duluth's AQI reached its highest point of 54 at 9 AM during the Day, while the lowest point, 15, was recorded at 6 PM during the Day between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
West Duluth, Duluth, Minnesota, United States
14°C13/17°C
16°C14/22°C
16°C14/17°C
15°C14/17°C
18°C14/24°C
23°C15/32°C
19°C15/25°C
15°C13/17°C
14°C13/15°C
16°C13/20°C
15°C14/17°C
15°C14/17°C
16°C15/18°C
17°C13/21°C
18°C13/27°C
16°C13/18°C
17°C14/22°C
17°C10/25°C
16°C12/21°C
15°C14/16°C
15°C14/16°C
16°C14/17°C
16°C15/19°C
18°C14/23°C
20°C15/23°C
13°C8/18°C
12°C7/16°C
9°C1/17°C
12°C6/20°C
15°C13/18°C
--°C/°C
39AQI
39AQI
42AQI
39AQI
2025 Days Vs Air Quality
West Duluth, Duluth, Minnesota, United States
84%
237
15%
42
1%
3
0.3%
1
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 284 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
West Duluth, Duluth, Minnesota, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
24AQI
19AQI
20AQI
20AQI
22AQI
24AQI
23AQI
45AQI
29AQI
23AQI
23AQI
25AQI
23AQI
29AQI
24AQI
22AQI
22AQI
25AQI
24AQI
24AQI
24AQI
25AQI
30AQI
28AQI
24AQI
25AQI
25AQI
27AQI
31AQI
25AQI
25AQI
31AQI
25AQI
24AQI
25AQI
25AQI
27AQI
26AQI
27AQI
30AQI
25AQI
31AQI
25AQI
48AQI
40AQI
24AQI
24AQI
22AQI
22AQI
24AQI
29AQI
40AQI
62AQI
29AQI
24AQI
27AQI
26AQI
25AQI
26AQI
27AQI
36AQI
39AQI
26AQI
25AQI
26AQI
26AQI
27AQI
27AQI
27AQI
26AQI
28AQI
33AQI
45AQI
16AQI
18AQI
18AQI
18AQI
20AQI
21AQI
30AQI
24AQI
18AQI
22AQI
26AQI
19AQI
17AQI
17AQI
17AQI
20AQI
17AQI
18AQI
16AQI
27AQI
19AQI
23AQI
16AQI
21AQI
23AQI
34AQI
41AQI
49AQI
52AQI
24AQI
15AQI
18AQI
23AQI
35AQI
19AQI
20AQI
16AQI
23AQI
17AQI
16AQI
20AQI
22AQI
20AQI
30AQI
16AQI
17AQI
21AQI
18AQI
19AQI
21AQI
21AQI
27AQI
18AQI
15AQI
29AQI
20AQI
25AQI
32AQI
41AQI
42AQI
29AQI
25AQI
17AQI
15AQI
14AQI
15AQI
16AQI
18AQI
15AQI
18AQI
20AQI
18AQI
22AQI
25AQI
32AQI
39AQI
40AQI
39AQI
45AQI
76AQI
64AQI
57AQI
55AQI
63AQI
60AQI
50AQI
62AQI
75AQI
51AQI
29AQI
24AQI
30AQI
36AQI
33AQI
35AQI
39AQI
30AQI
33AQI
34AQI
38AQI
38AQI
44AQI
33AQI
26AQI
31AQI
27AQI
21AQI
36AQI
27AQI
41AQI
42AQI
34AQI
50AQI
33AQI
35AQI
35AQI
34AQI
37AQI
87AQI
109AQI
98AQI
86AQI
49AQI
36AQI
46AQI
34AQI
53AQI
59AQI
56AQI
48AQI
37AQI
39AQI
62AQI
47AQI
45AQI
57AQI
95AQI
142AQI
161AQI
145AQI
100AQI
89AQI
81AQI
66AQI
63AQI
60AQI
58AQI
45AQI
73AQI
70AQI
68AQI
70AQI
60AQI
36AQI
19AQI
19AQI
33AQI
24AQI
29AQI
42AQI
22AQI
17AQI
21AQI
28AQI
38AQI
30AQI
22AQI
32AQI
45AQI
48AQI
43AQI
36AQI
21AQI
18AQI
18AQI
23AQI
36AQI
54AQI
44AQI
27AQI
46AQI
51AQI
53AQI
55AQI
59AQI
55AQI
34AQI
19AQI
22AQI
30AQI
23AQI
28AQI
39AQI
48AQI
35AQI
37AQI
26AQI
41AQI
28AQI
32AQI
59AQI
74AQI
63AQI
68AQI
13AQI
22AQI
19AQI
40AQI
31AQI
25AQI
29AQI
25AQI
24AQI
23AQI
43AQI
54AQI
54AQI
37AQI
42AQI
No. of days
202535AQI
Highest AQI recorded in
July54AQI
Lowest AQI recorded in
May23AQI
202425AQI
Highest AQI recorded in
July38AQI
Lowest AQI recorded in
April14AQI
202333AQI
Highest AQI recorded in
June63AQI
Lowest AQI recorded in
October19AQI
202220AQI
Highest AQI recorded in
December44AQI
Lowest AQI recorded in
August6AQI
202123AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
October12AQI
202021AQI
Highest AQI recorded in
June25AQI
Lowest AQI recorded in
October14AQI
Most & Least Polluted Years Over the Last 6 Years
West Duluth's annual 2025 AQI (35) shows an average percentage change of 50.03% (worsened AQI) compared to previous years: 2020 (21), 2021 (23), 2022 (20), 2023 (33), 2024 (25).