Mandan, 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!
October Air Quality Analysis
Mandan, North Dakota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 26 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Oct - 15th Oct 2025
Mandan, North Dakota, United States
7 AM14th Oct 2025
7 PM
6 AM15th Oct 2025
27AQI
7AQI
28AQI
12AQI
In the last 24 hours,
Mandan's AQI reached its highest point of 28 at 3 AM during the Night, while the lowest point, 7, was recorded at 4 PM during the Day between 14th Oct and 15th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Mandan, North Dakota, United States
--°C/°C
20°C14/27°C
17°C14/19°C
15°C13/16°C
14°C12/17°C
18°C13/24°C
16°C9/24°C
17°C8/27°C
18°C11/26°C
17°C8/27°C
17°C11/25°C
17°C9/29°C
15°C4/26°C
18°C7/28°C
19°C11/29°C
21°C14/29°C
21°C15/28°C
18°C8/29°C
20°C10/30°C
15°C12/18°C
11°C6/13°C
6°C-1/13°C
8°C0/16°C
12°C4/21°C
13°C6/23°C
11°C3/20°C
16°C10/23°C
12°C5/17°C
5°C2/9°C
5°C0/8°C
8°C6/9°C
37AQI
30AQI
34AQI
30AQI
2025 Days Vs Air Quality
Mandan, North Dakota, United States
90%
258
7%
20
2%
6
1%
4
Total number of days with different AQI categories in last 289 days in 2025 (76 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 289 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
Mandan, North Dakota, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
26AQI
25AQI
24AQI
28AQI
27AQI
30AQI
29AQI
28AQI
29AQI
26AQI
30AQI
37AQI
36AQI
29AQI
26AQI
28AQI
29AQI
27AQI
28AQI
30AQI
30AQI
29AQI
30AQI
31AQI
31AQI
30AQI
31AQI
28AQI
26AQI
30AQI
24AQI
26AQI
24AQI
25AQI
25AQI
29AQI
29AQI
28AQI
32AQI
28AQI
28AQI
28AQI
29AQI
29AQI
28AQI
25AQI
20AQI
22AQI
27AQI
27AQI
31AQI
32AQI
31AQI
27AQI
23AQI
27AQI
25AQI
29AQI
25AQI
23AQI
24AQI
28AQI
29AQI
29AQI
29AQI
28AQI
29AQI
29AQI
26AQI
25AQI
25AQI
34AQI
19AQI
14AQI
20AQI
29AQI
26AQI
15AQI
18AQI
16AQI
20AQI
14AQI
19AQI
19AQI
16AQI
19AQI
14AQI
15AQI
20AQI
17AQI
18AQI
38AQI
22AQI
20AQI
15AQI
15AQI
16AQI
14AQI
14AQI
19AQI
23AQI
18AQI
14AQI
14AQI
20AQI
15AQI
15AQI
14AQI
14AQI
19AQI
16AQI
17AQI
24AQI
21AQI
24AQI
28AQI
28AQI
14AQI
17AQI
17AQI
21AQI
16AQI
17AQI
24AQI
18AQI
21AQI
22AQI
43AQI
45AQI
24AQI
25AQI
33AQI
37AQI
19AQI
17AQI
14AQI
19AQI
19AQI
14AQI
13AQI
13AQI
15AQI
17AQI
23AQI
19AQI
18AQI
22AQI
21AQI
22AQI
152AQI
151AQI
67AQI
58AQI
51AQI
37AQI
32AQI
40AQI
65AQI
68AQI
80AQI
167AQI
152AQI
76AQI
30AQI
28AQI
27AQI
28AQI
27AQI
24AQI
26AQI
32AQI
35AQI
27AQI
44AQI
32AQI
19AQI
18AQI
19AQI
16AQI
16AQI
20AQI
32AQI
22AQI
26AQI
21AQI
31AQI
28AQI
48AQI
39AQI
28AQI
98AQI
106AQI
48AQI
27AQI
40AQI
29AQI
78AQI
34AQI
22AQI
20AQI
24AQI
30AQI
30AQI
45AQI
41AQI
26AQI
25AQI
21AQI
36AQI
98AQI
131AQI
111AQI
111AQI
95AQI
64AQI
40AQI
30AQI
32AQI
21AQI
20AQI
124AQI
104AQI
42AQI
55AQI
35AQI
28AQI
31AQI
24AQI
24AQI
34AQI
39AQI
38AQI
28AQI
29AQI
26AQI
24AQI
29AQI
32AQI
38AQI
39AQI
34AQI
30AQI
32AQI
62AQI
79AQI
46AQI
19AQI
31AQI
35AQI
40AQI
55AQI
54AQI
53AQI
48AQI
50AQI
47AQI
28AQI
27AQI
55AQI
34AQI
17AQI
18AQI
27AQI
29AQI
49AQI
34AQI
44AQI
41AQI
51AQI
47AQI
40AQI
28AQI
37AQI
21AQI
39AQI
43AQI
15AQI
20AQI
19AQI
25AQI
27AQI
41AQI
43AQI
32AQI
27AQI
18AQI
26AQI
29AQI
27AQI
22AQI
19AQI
26AQI
50AQI
42AQI
46AQI
41AQI
29AQI
No. of days
202533AQI
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
April19AQI
202431AQI
Highest AQI recorded in
August43AQI
Lowest AQI recorded in
November21AQI
202338AQI
Highest AQI recorded in
September60AQI
Lowest AQI recorded in
December22AQI
202232AQI
Highest AQI recorded in
September38AQI
Lowest AQI recorded in
January29AQI
202139AQI
Highest AQI recorded in
August66AQI
Lowest AQI recorded in
November23AQI
202028AQI
Highest AQI recorded in
September31AQI
Lowest AQI recorded in
December25AQI
Most & Least Polluted Years Over the Last 6 Years
Mandan's annual 2025 AQI (33) shows an average percentage change of 0.4% (worsened AQI) compared to previous years: 2020 (28), 2021 (39), 2022 (32), 2023 (38), 2024 (31).