Beulah, North Dakota, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Beulah, North Dakota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 40 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Sep - 30th Sep 2025
Beulah, North Dakota, United States
7 AM29th Sep 2025
8 PM
6 AM30th Sep 2025
50AQI
21AQI
41AQI
21AQI
In the last 24 hours,
Beulah's AQI reached its highest point of 50 at 8 AM during the Day, while the lowest point, 21, was recorded at 5 AM during the Night between 29th Sep and 30th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Beulah, North Dakota, United States
21°C16/26°C
22°C13/30°C
18°C13/23°C
13°C9/17°C
14°C8/19°C
11°C7/14°C
11°C2/18°C
14°C3/24°C
20°C10/31°C
20°C12/28°C
20°C11/28°C
24°C17/30°C
24°C18/30°C
20°C18/23°C
20°C18/22°C
20°C17/25°C
20°C14/27°C
16°C13/18°C
16°C14/19°C
15°C13/18°C
17°C9/24°C
17°C9/26°C
18°C9/27°C
17°C9/26°C
17°C6/28°C
17°C9/25°C
16°C9/28°C
15°C3/27°C
18°C5/30°C
18°C10/29°C
--°C/°C
43AQI
43AQI
42AQI
40AQI
2025 Days Vs Air Quality
Beulah, North Dakota, United States
83%
156
10%
19
4%
8
2%
4
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 273 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
Beulah, North Dakota, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI
19AQI
14AQI
15AQI
23AQI
17AQI
19AQI
41AQI
23AQI
20AQI
14AQI
15AQI
16AQI
14AQI
14AQI
21AQI
27AQI
16AQI
13AQI
13AQI
20AQI
14AQI
16AQI
14AQI
14AQI
20AQI
15AQI
19AQI
23AQI
22AQI
25AQI
29AQI
30AQI
15AQI
17AQI
18AQI
23AQI
16AQI
18AQI
27AQI
18AQI
21AQI
21AQI
44AQI
49AQI
24AQI
28AQI
33AQI
38AQI
21AQI
20AQI
15AQI
21AQI
20AQI
14AQI
14AQI
13AQI
15AQI
18AQI
24AQI
20AQI
18AQI
23AQI
22AQI
22AQI
157AQI
152AQI
59AQI
55AQI
46AQI
32AQI
32AQI
41AQI
66AQI
68AQI
81AQI
172AQI
152AQI
74AQI
26AQI
28AQI
28AQI
27AQI
28AQI
24AQI
27AQI
34AQI
36AQI
29AQI
44AQI
31AQI
19AQI
18AQI
20AQI
16AQI
16AQI
21AQI
27AQI
22AQI
26AQI
21AQI
31AQI
29AQI
46AQI
38AQI
30AQI
111AQI
108AQI
41AQI
24AQI
38AQI
28AQI
82AQI
35AQI
23AQI
20AQI
24AQI
31AQI
29AQI
47AQI
41AQI
26AQI
25AQI
21AQI
36AQI
104AQI
132AQI
111AQI
111AQI
98AQI
64AQI
41AQI
30AQI
32AQI
21AQI
20AQI
127AQI
108AQI
42AQI
55AQI
36AQI
28AQI
32AQI
26AQI
26AQI
34AQI
40AQI
38AQI
29AQI
29AQI
26AQI
26AQI
30AQI
33AQI
39AQI
40AQI
35AQI
30AQI
31AQI
61AQI
82AQI
47AQI
22AQI
34AQI
35AQI
40AQI
57AQI
54AQI
53AQI
50AQI
52AQI
48AQI
30AQI
27AQI
56AQI
34AQI
16AQI
19AQI
28AQI
30AQI
51AQI
36AQI
46AQI
45AQI
58AQI
49AQI
40AQI
17AQI
19AQI
27AQI
49AQI
42AQI
46AQI
42AQI
No. of days
202537AQI
Highest AQI recorded in
June49AQI
Lowest AQI recorded in
March17AQI
Most & Least Polluted Years Over the Last 1 Years
Beulah's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .