North Liberty, Indiana, 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 Liberty, Indiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (28th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 25 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Oct - 29th Oct 2025
North Liberty, Indiana, United States
7 AM28th Oct 2025
7 PM
6 AM29th Oct 2025
51AQI
18AQI
23AQI
17AQI
In the last 24 hours,
North Liberty's AQI reached its highest point of 51 at 1 PM during the Day, while the lowest point, 17, was recorded at 5 AM during the Night between 28th Oct and 29th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
North Liberty, Indiana, United States
22°C13/32°C
21°C12/31°C
20°C12/28°C
19°C11/30°C
21°C12/33°C
24°C16/32°C
23°C14/31°C
23°C17/31°C
18°C12/20°C
11°C7/16°C
11°C3/19°C
13°C5/23°C
14°C10/19°C
13°C6/21°C
16°C9/25°C
17°C10/24°C
14°C12/15°C
13°C7/22°C
16°C10/26°C
20°C15/28°C
13°C9/14°C
10°C5/17°C
11°C8/15°C
8°C7/10°C
7°C5/10°C
7°C4/11°C
6°C-1/14°C
9°C3/15°C
9°C3/17°C
10°C4/18°C
--°C/°C
37AQI
28AQI
40AQI
32AQI
2025 Days Vs Air Quality
North Liberty, Indiana, United States
74%
159
26%
56
0.4%
1
Total number of days with different AQI categories in last 302 days in 2025 (63 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 302 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 Liberty, Indiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI
43AQI
46AQI
37AQI
17AQI
20AQI
28AQI
21AQI
24AQI
18AQI
17AQI
24AQI
14AQI
27AQI
40AQI
39AQI
42AQI
39AQI
33AQI
19AQI
19AQI
34AQI
47AQI
39AQI
32AQI
33AQI
20AQI
32AQI
43AQI
39AQI
18AQI
26AQI
24AQI
34AQI
17AQI
26AQI
32AQI
21AQI
18AQI
22AQI
23AQI
31AQI
22AQI
23AQI
37AQI
27AQI
27AQI
27AQI
27AQI
44AQI
41AQI
21AQI
17AQI
18AQI
24AQI
22AQI
12AQI
12AQI
17AQI
20AQI
27AQI
24AQI
28AQI
34AQI
37AQI
37AQI
26AQI
38AQI
57AQI
60AQI
61AQI
73AQI
76AQI
73AQI
65AQI
57AQI
65AQI
78AQI
71AQI
62AQI
57AQI
54AQI
48AQI
40AQI
29AQI
35AQI
45AQI
47AQI
56AQI
55AQI
37AQI
44AQI
33AQI
25AQI
39AQI
36AQI
33AQI
50AQI
48AQI
55AQI
67AQI
57AQI
41AQI
62AQI
62AQI
47AQI
44AQI
43AQI
49AQI
72AQI
81AQI
53AQI
30AQI
27AQI
32AQI
28AQI
52AQI
62AQI
53AQI
56AQI
34AQI
29AQI
28AQI
33AQI
36AQI
50AQI
107AQI
94AQI
78AQI
79AQI
78AQI
89AQI
79AQI
58AQI
54AQI
54AQI
53AQI
49AQI
45AQI
48AQI
62AQI
67AQI
57AQI
46AQI
38AQI
25AQI
18AQI
20AQI
32AQI
32AQI
25AQI
17AQI
25AQI
33AQI
32AQI
22AQI
25AQI
35AQI
39AQI
39AQI
48AQI
39AQI
45AQI
22AQI
26AQI
35AQI
35AQI
51AQI
53AQI
54AQI
59AQI
58AQI
53AQI
50AQI
54AQI
56AQI
55AQI
40AQI
37AQI
34AQI
35AQI
34AQI
24AQI
34AQI
46AQI
51AQI
31AQI
27AQI
31AQI
35AQI
56AQI
61AQI
56AQI
27AQI
24AQI
28AQI
34AQI
39AQI
31AQI
38AQI
55AQI
55AQI
25AQI
33AQI
33AQI
46AQI
22AQI
23AQI
20AQI
17AQI
14AQI
22AQI
47AQI
48AQI
23AQI
25AQI
37AQI
29AQI
26AQI
51AQI
49AQI
47AQI
42AQI
35AQI
No. of days
202540AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
May26AQI
Most & Least Polluted Years Over the Last 1 Years
North Liberty's annual 2025 AQI (40) shows an average percentage change of NaN% (improved AQI) compared to previous years: .