40th Avenue Northwest, Fargo, 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
40th Avenue Northwest, Fargo, North Dakota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (21st October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 19 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
40th Avenue Northwest, Fargo, North Dakota, United States
7 AM21st Oct 2025
6 PM
6 AM22nd Oct 2025
25AQI
10AQI
32AQI
11AQI
In the last 24 hours,
40th Avenue Northwest's AQI reached its highest point of 32 at 1 AM during the Night, while the lowest point, 10, was recorded at 11 AM during the Day between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
40th Avenue Northwest, Fargo, North Dakota, United States
20°C12/29°C
20°C12/30°C
19°C13/28°C
19°C13/27°C
18°C6/29°C
18°C8/27°C
21°C12/32°C
24°C15/34°C
24°C18/31°C
25°C19/32°C
23°C17/31°C
24°C13/34°C
25°C19/30°C
14°C8/19°C
10°C3/18°C
9°C4/16°C
11°C1/22°C
17°C12/24°C
12°C3/21°C
14°C5/24°C
15°C8/21°C
8°C4/15°C
7°C2/14°C
10°C7/13°C
16°C11/24°C
13°C10/19°C
11°C5/17°C
10°C2/18°C
9°C6/14°C
6°C3/7°C
--°C/°C
42AQI
37AQI
43AQI
37AQI
2025 Days Vs Air Quality
40th Avenue Northwest, Fargo, North Dakota, United States
80%
168
17%
35
2%
4
0.9%
2
Total number of days with different AQI categories in last 295 days in 2025 (70 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 295 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
40th Avenue Northwest, Fargo, North Dakota, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
24AQI
14AQI
15AQI
16AQI
18AQI
17AQI
19AQI
34AQI
20AQI
23AQI
15AQI
19AQI
27AQI
40AQI
38AQI
50AQI
32AQI
21AQI
18AQI
21AQI
33AQI
18AQI
17AQI
27AQI
23AQI
26AQI
18AQI
26AQI
24AQI
19AQI
21AQI
20AQI
14AQI
31AQI
27AQI
17AQI
21AQI
29AQI
33AQI
26AQI
20AQI
21AQI
40AQI
24AQI
32AQI
38AQI
36AQI
36AQI
34AQI
20AQI
17AQI
16AQI
14AQI
13AQI
14AQI
17AQI
18AQI
22AQI
35AQI
44AQI
36AQI
23AQI
27AQI
34AQI
57AQI
100AQI
61AQI
84AQI
61AQI
55AQI
42AQI
47AQI
48AQI
52AQI
73AQI
87AQI
76AQI
51AQI
32AQI
26AQI
25AQI
30AQI
29AQI
28AQI
24AQI
24AQI
26AQI
36AQI
52AQI
45AQI
23AQI
19AQI
18AQI
20AQI
24AQI
35AQI
24AQI
28AQI
33AQI
39AQI
44AQI
46AQI
48AQI
44AQI
30AQI
33AQI
106AQI
140AQI
90AQI
66AQI
45AQI
28AQI
22AQI
23AQI
51AQI
49AQI
39AQI
32AQI
43AQI
60AQI
44AQI
28AQI
26AQI
37AQI
104AQI
151AQI
157AQI
140AQI
92AQI
75AQI
63AQI
33AQI
32AQI
31AQI
22AQI
37AQI
79AQI
61AQI
63AQI
45AQI
38AQI
23AQI
19AQI
21AQI
25AQI
21AQI
29AQI
34AQI
19AQI
18AQI
24AQI
28AQI
36AQI
43AQI
38AQI
36AQI
37AQI
40AQI
38AQI
52AQI
30AQI
17AQI
19AQI
29AQI
34AQI
44AQI
43AQI
41AQI
47AQI
51AQI
51AQI
42AQI
36AQI
51AQI
30AQI
24AQI
23AQI
21AQI
23AQI
33AQI
36AQI
42AQI
43AQI
33AQI
42AQI
55AQI
59AQI
53AQI
53AQI
60AQI
64AQI
42AQI
20AQI
39AQI
52AQI
49AQI
46AQI
51AQI
49AQI
30AQI
29AQI
24AQI
57AQI
32AQI
43AQI
22AQI
26AQI
19AQI
18AQI
24AQI
27AQI
44AQI
51AQI
46AQI
38AQI
41AQI
No. of days
202538AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
March18AQI
Most & Least Polluted Years Over the Last 1 Years
40th Avenue Northwest's annual 2025 AQI (38) shows an average percentage change of NaN% (improved AQI) compared to previous years: .