Cass Lake, Bemidji, 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
Cass Lake, Bemidji, Minnesota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 36 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Cass Lake, Bemidji, Minnesota, United States
6 AM17th Aug 2026
8 PM
5 AM18th Aug 2026
62AQI
21AQI
46AQI
31AQI
In the last 24 hours,
Cass Lake's AQI reached its highest point of 62 at 11 AM during the Day, while the lowest point, 21, was recorded at 1 PM during the Day between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Cass Lake, Bemidji, Minnesota, United States
25°C20/30°C
19°C14/22°C
17°C9/25°C
21°C15/28°C
22°C17/30°C
24°C19/29°C
25°C19/33°C
26°C22/31°C
24°C19/31°C
26°C18/34°C
27°C22/33°C
23°C20/28°C
22°C15/29°C
23°C15/30°C
25°C19/32°C
17°C13/22°C
19°C10/27°C
22°C17/29°C
20°C16/25°C
20°C12/27°C
20°C15/26°C
19°C12/27°C
21°C13/27°C
21°C13/29°C
21°C15/28°C
21°C14/28°C
19°C17/24°C
19°C13/27°C
20°C13/28°C
18°C13/23°C
49AQI
42AQI
49AQI
44AQI
2026 Days Vs Air Quality
Cass Lake, Bemidji, Minnesota, United States
89%
201
11%
25
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 230 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
Cass Lake, Bemidji, Minnesota, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
16AQI (US)
24AQI (US)
39AQI (US)
54AQI (US)
40AQI (US)
37AQI (US)
47AQI (US)
34AQI (US)
24AQI (US)
18AQI (US)
18AQI (US)
11AQI (US)
10AQI (US)
19AQI (US)
13AQI (US)
11AQI (US)
14AQI (US)
10AQI (US)
14AQI (US)
28AQI (US)
54AQI (US)
56AQI (US)
48AQI (US)
50AQI (US)
45AQI (US)
35AQI (US)
42AQI (US)
47AQI (US)
49AQI (US)
40AQI (US)
52AQI (US)
52AQI (US)
47AQI (US)
45AQI (US)
50AQI (US)
39AQI (US)
34AQI (US)
40AQI (US)
41AQI (US)
42AQI (US)
31AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
43AQI (US)
39AQI (US)
36AQI (US)
41AQI (US)
40AQI (US)
37AQI (US)
33AQI (US)
34AQI (US)
33AQI (US)
38AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
51AQI (US)
33AQI (US)
36AQI (US)
42AQI (US)
30AQI (US)
43AQI (US)
37AQI (US)
32AQI (US)
37AQI (US)
37AQI (US)
31AQI (US)
39AQI (US)
30AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
34AQI (US)
36AQI (US)
39AQI (US)
31AQI (US)
35AQI (US)
35AQI (US)
34AQI (US)
25AQI (US)
20AQI (US)
23AQI (US)
31AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
59AQI (US)
73AQI (US)
45AQI (US)
29AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
31AQI (US)
23AQI (US)
28AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
18AQI (US)
36AQI (US)
34AQI (US)
28AQI (US)
21AQI (US)
31AQI (US)
30AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
20AQI (US)
49AQI (US)
65AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
43AQI (US)
40AQI (US)
46AQI (US)
44AQI (US)
41AQI (US)
29AQI (US)
26AQI (US)
17AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
31AQI (US)
24AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
21AQI (US)
20AQI (US)
18AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
29AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
31AQI (US)
35AQI (US)
31AQI (US)
46AQI (US)
35AQI (US)
37AQI (US)
38AQI (US)
41AQI (US)
22AQI (US)
20AQI (US)
33AQI (US)
26AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
35AQI (US)
76AQI (US)
91AQI (US)
82AQI (US)
52AQI (US)
43AQI (US)
54AQI (US)
45AQI (US)
39AQI (US)
50AQI (US)
49AQI (US)
47AQI (US)
50AQI (US)
59AQI (US)
52AQI (US)
62AQI (US)
67AQI (US)
54AQI (US)
42AQI (US)
42AQI (US)
53AQI (US)
52AQI (US)
30AQI (US)
41AQI (US)
40AQI (US)
41AQI (US)
40AQI (US)
37AQI (US)
40AQI (US)
41AQI (US)
51AQI (US)
41AQI (US)
44AQI (US)
32AQI (US)
36AQI (US)
31AQI (US)
38AQI (US)
33AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
46AQI (US)
41AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
July62AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202424AQI (US)
Highest AQI (US) recorded in
July42AQI (US)
Lowest AQI (US) recorded in
June14AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
June54AQI (US)
Lowest AQI (US) recorded in
February17AQI (US)
202224AQI (US)
Highest AQI (US) recorded in
August49AQI (US)
Lowest AQI (US) recorded in
December18AQI (US)
202147AQI (US)
Highest AQI (US) recorded in
July87AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
December36AQI (US)
Lowest AQI (US) recorded in
July14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Cass Lake's annual 2026 AQI (US) (35) shows an average percentage change of 27.3% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (47), 2022 (24), 2023 (30), 2024 (24), 2025 (33).