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 (13th August):
On this day, AQI across the 2 years varied significantly: 2026 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 13th Aug - 14th Aug 2026
Chester Park, Duluth, Minnesota, United States
5 AM13th Aug 2026
8 PM
4 AM14th Aug 2026
75AQI
42AQI
52AQI
40AQI
In the last 24 hours,
Chester Park's AQI reached its highest point of 75 at 10 AM during the Day, while the lowest point, 40, was recorded at 4 AM during the Night between 13th Aug and 14th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chester Park, Duluth, Minnesota, United States
22°C18/29°C
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
63AQI
49AQI
60AQI
51AQI
2026 Days Vs Air Quality
Chester Park, Duluth, Minnesota, United States
90%
200
9%
20
0.9%
2
Total number of days with different AQI categories in last 226 days in 2026 (139 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 226 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)
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).