North 4th Street, Aberdeen, South 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
North 4th Street, Aberdeen, South Dakota, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th 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: 29th Oct - 30th Oct 2025
North 4th Street, Aberdeen, South Dakota, United States
7 AM29th Oct 2025
6 PM
6 AM30th Oct 2025
32AQI
14AQI
49AQI
11AQI
In the last 24 hours,
North 4th Street's AQI reached its highest point of 49 at 6 AM during the Night, while the lowest point, 11, was recorded at 7 AM during the Night between 29th Oct and 30th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
North 4th Street, Aberdeen, South Dakota, United States
21°C14/28°C
23°C18/29°C
21°C12/30°C
23°C15/31°C
24°C19/30°C
15°C9/17°C
10°C4/18°C
11°C5/17°C
12°C1/23°C
17°C13/25°C
13°C5/21°C
14°C7/22°C
16°C7/22°C
7°C0/14°C
9°C6/13°C
10°C8/12°C
16°C11/23°C
13°C8/21°C
10°C6/16°C
9°C1/18°C
11°C7/16°C
6°C2/9°C
6°C-2/16°C
6°C-4/16°C
10°C2/20°C
11°C6/14°C
14°C11/17°C
12°C10/14°C
8°C3/13°C
5°C-1/11°C
--°C/°C
49AQI
35AQI
51AQI
36AQI
2025 Days Vs Air Quality
North 4th Street, Aberdeen, South Dakota, United States
82%
177
17%
36
2%
4
Total number of days with different AQI categories in last 303 days in 2025 (62 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% of 303 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
North 4th Street, Aberdeen, South Dakota, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
43AQI
17AQI
15AQI
21AQI
20AQI
20AQI
18AQI
24AQI
17AQI
22AQI
17AQI
20AQI
25AQI
18AQI
24AQI
45AQI
40AQI
17AQI
15AQI
34AQI
35AQI
18AQI
20AQI
24AQI
28AQI
12AQI
14AQI
20AQI
20AQI
23AQI
23AQI
19AQI
13AQI
24AQI
17AQI
19AQI
25AQI
33AQI
38AQI
35AQI
26AQI
45AQI
52AQI
43AQI
60AQI
51AQI
49AQI
48AQI
34AQI
17AQI
14AQI
18AQI
15AQI
12AQI
13AQI
14AQI
18AQI
20AQI
25AQI
35AQI
27AQI
22AQI
23AQI
28AQI
70AQI
85AQI
67AQI
63AQI
59AQI
48AQI
32AQI
33AQI
65AQI
50AQI
71AQI
78AQI
72AQI
37AQI
23AQI
19AQI
22AQI
22AQI
23AQI
24AQI
24AQI
25AQI
26AQI
23AQI
50AQI
37AQI
18AQI
15AQI
14AQI
16AQI
19AQI
20AQI
21AQI
26AQI
31AQI
24AQI
38AQI
31AQI
28AQI
29AQI
20AQI
31AQI
63AQI
90AQI
52AQI
48AQI
43AQI
24AQI
20AQI
20AQI
25AQI
28AQI
26AQI
24AQI
40AQI
53AQI
33AQI
27AQI
22AQI
28AQI
77AQI
114AQI
120AQI
117AQI
70AQI
64AQI
52AQI
24AQI
30AQI
36AQI
20AQI
53AQI
101AQI
42AQI
39AQI
28AQI
27AQI
21AQI
15AQI
17AQI
22AQI
25AQI
30AQI
26AQI
23AQI
23AQI
22AQI
27AQI
29AQI
33AQI
34AQI
30AQI
35AQI
35AQI
30AQI
70AQI
46AQI
24AQI
27AQI
37AQI
41AQI
46AQI
44AQI
47AQI
53AQI
49AQI
42AQI
34AQI
30AQI
37AQI
20AQI
16AQI
15AQI
20AQI
23AQI
34AQI
38AQI
43AQI
51AQI
41AQI
52AQI
59AQI
59AQI
63AQI
55AQI
75AQI
67AQI
54AQI
46AQI
46AQI
68AQI
63AQI
55AQI
67AQI
48AQI
40AQI
38AQI
22AQI
48AQI
34AQI
43AQI
30AQI
28AQI
22AQI
30AQI
33AQI
44AQI
38AQI
41AQI
24AQI
19AQI
19AQI
23AQI
22AQI
31AQI
39AQI
37AQI
40AQI
39AQI
43AQI
No. of days
202536AQI
Highest AQI recorded in
October43AQI
Lowest AQI recorded in
April22AQI
Most & Least Polluted Years Over the Last 1 Years
North 4th Street's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .