Chester Park, 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!
August Air Quality Analysis
Chester Park, Duluth, Minnesota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (14th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Chester Park, Duluth, Minnesota, United States
5 AM14th Aug 2026
8 PM
4 AM15th Aug 2026
56AQI
34AQI
55AQI
34AQI
In the last 24 hours,
Chester Park's AQI reached its highest point of 56 at 6 PM during the Day, while the lowest point, 34, was recorded at 9 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chester Park, Duluth, Minnesota, United States
22°C16/30°C
25°C20/31°C
25°C18/33°C
27°C22/35°C
20°C16/24°C
19°C11/27°C
22°C15/30°C
22°C17/28°C
25°C20/31°C
21°C18/28°C
21°C18/25°C
20°C15/27°C
23°C14/32°C
28°C23/35°C
22°C19/25°C
23°C18/29°C
19°C16/25°C
20°C14/27°C
20°C14/25°C
21°C12/30°C
24°C16/31°C
23°C19/28°C
22°C13/30°C
21°C17/26°C
22°C14/30°C
23°C16/28°C
23°C16/30°C
22°C18/27°C
20°C16/26°C
17°C17/19°C
58AQI
50AQI
55AQI
49AQI
2026 Days Vs Air Quality
Chester Park, Duluth, Minnesota, United States
90%
201
9%
20
0.9%
2
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Chester Park, Duluth, Minnesota, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
11AQI (US)
13AQI (US)
23AQI (US)
29AQI (US)
54AQI (US)
53AQI (US)
46AQI (US)
65AQI (US)
26AQI (US)
42AQI (US)
21AQI (US)
27AQI (US)
20AQI (US)
8AQI (US)
13AQI (US)
19AQI (US)
12AQI (US)
17AQI (US)
11AQI (US)
18AQI (US)
31AQI (US)
43AQI (US)
49AQI (US)
41AQI (US)
42AQI (US)
41AQI (US)
30AQI (US)
35AQI (US)
41AQI (US)
50AQI (US)
34AQI (US)
41AQI (US)
51AQI (US)
45AQI (US)
37AQI (US)
40AQI (US)
44AQI (US)
35AQI (US)
38AQI (US)
39AQI (US)
43AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
38AQI (US)
38AQI (US)
34AQI (US)
34AQI (US)
39AQI (US)
39AQI (US)
37AQI (US)
34AQI (US)
35AQI (US)
30AQI (US)
33AQI (US)
32AQI (US)
28AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
52AQI (US)
34AQI (US)
35AQI (US)
35AQI (US)
25AQI (US)
42AQI (US)
38AQI (US)
30AQI (US)
38AQI (US)
38AQI (US)
28AQI (US)
40AQI (US)
30AQI (US)
32AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
36AQI (US)
36AQI (US)
37AQI (US)
32AQI (US)
34AQI (US)
30AQI (US)
34AQI (US)
27AQI (US)
20AQI (US)
23AQI (US)
31AQI (US)
25AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
26AQI (US)
32AQI (US)
24AQI (US)
29AQI (US)
25AQI (US)
23AQI (US)
16AQI (US)
33AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
18AQI (US)
20AQI (US)
34AQI (US)
30AQI (US)
15AQI (US)
18AQI (US)
32AQI (US)
30AQI (US)
25AQI (US)
35AQI (US)
20AQI (US)
19AQI (US)
48AQI (US)
60AQI (US)
45AQI (US)
48AQI (US)
56AQI (US)
51AQI (US)
40AQI (US)
36AQI (US)
41AQI (US)
43AQI (US)
39AQI (US)
24AQI (US)
15AQI (US)
17AQI (US)
18AQI (US)
18AQI (US)
17AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
15AQI (US)
18AQI (US)
19AQI (US)
24AQI (US)
19AQI (US)
15AQI (US)
16AQI (US)
14AQI (US)
17AQI (US)
21AQI (US)
15AQI (US)
22AQI (US)
20AQI (US)
24AQI (US)
14AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
14AQI (US)
14AQI (US)
22AQI (US)
14AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
33AQI (US)
16AQI (US)
27AQI (US)
18AQI (US)
25AQI (US)
35AQI (US)
40AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
25AQI (US)
32AQI (US)
35AQI (US)
33AQI (US)
25AQI (US)
68AQI (US)
107AQI (US)
112AQI (US)
82AQI (US)
85AQI (US)
78AQI (US)
47AQI (US)
46AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
58AQI (US)
72AQI (US)
60AQI (US)
50AQI (US)
46AQI (US)
58AQI (US)
52AQI (US)
40AQI (US)
40AQI (US)
36AQI (US)
33AQI (US)
38AQI (US)
36AQI (US)
40AQI (US)
41AQI (US)
49AQI (US)
46AQI (US)
31AQI (US)
36AQI (US)
32AQI (US)
27AQI (US)
31AQI (US)
19AQI (US)
48AQI (US)
43AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
June19AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
July56AQI (US)
Lowest AQI (US) recorded in
March17AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Chester Park's annual 2026 AQI (US) (33) shows an average percentage change of -8.3% (improved AQI (US)) compared to previous years: 2025 (36).