Noblesville, 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
Noblesville, Indiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (30th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Oct - 31st Oct 2025
Noblesville, Indiana, United States
7 AM30th Oct 2025
7 PM
6 AM31st Oct 2025
34AQI
18AQI
39AQI
17AQI
In the last 24 hours,
Noblesville's AQI reached its highest point of 39 at 12 AM during the Night, while the lowest point, 17, was recorded at 7 PM during the Night between 30th Oct and 31st Oct 2025.
Day & Night AQI Trend : Oct 2025
Noblesville, Indiana, United States
20°C11/30°C
20°C10/30°C
21°C12/32°C
23°C15/32°C
21°C12/30°C
21°C14/29°C
20°C14/25°C
14°C7/22°C
13°C4/22°C
13°C3/24°C
16°C9/25°C
15°C5/25°C
16°C6/26°C
17°C7/28°C
16°C10/22°C
16°C12/24°C
15°C6/26°C
19°C14/30°C
13°C8/15°C
11°C4/20°C
13°C8/20°C
8°C4/11°C
7°C1/15°C
7°C-1/17°C
8°C0/17°C
12°C4/20°C
11°C4/21°C
11°C5/15°C
11°C7/16°C
7°C5/12°C
--°C/°C
41AQI
28AQI
44AQI
28AQI
2025 Days Vs Air Quality
Noblesville, Indiana, United States
74%
162
25%
55
0.4%
1
Total number of days with different AQI categories in last 304 days in 2025 (61 days remaining)
Under WHO’s Safe Air Quality Limits: 74%
Health Risk Level:
Low
In 2025, 74% of 304 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
Noblesville, Indiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
35AQI
44AQI
53AQI
38AQI
20AQI
26AQI
31AQI
25AQI
28AQI
19AQI
23AQI
31AQI
18AQI
35AQI
36AQI
43AQI
46AQI
44AQI
36AQI
23AQI
26AQI
37AQI
50AQI
39AQI
35AQI
28AQI
32AQI
39AQI
43AQI
34AQI
26AQI
23AQI
24AQI
44AQI
21AQI
32AQI
25AQI
26AQI
24AQI
21AQI
26AQI
30AQI
37AQI
30AQI
44AQI
38AQI
29AQI
29AQI
28AQI
49AQI
55AQI
30AQI
20AQI
22AQI
30AQI
19AQI
16AQI
20AQI
20AQI
27AQI
25AQI
22AQI
19AQI
37AQI
39AQI
46AQI
29AQI
47AQI
60AQI
70AQI
46AQI
55AQI
66AQI
62AQI
57AQI
58AQI
66AQI
81AQI
74AQI
43AQI
51AQI
48AQI
38AQI
40AQI
33AQI
45AQI
42AQI
45AQI
59AQI
61AQI
57AQI
52AQI
51AQI
39AQI
42AQI
33AQI
34AQI
47AQI
53AQI
65AQI
117AQI
68AQI
45AQI
67AQI
65AQI
48AQI
52AQI
52AQI
45AQI
52AQI
62AQI
40AQI
26AQI
22AQI
30AQI
33AQI
39AQI
72AQI
60AQI
57AQI
55AQI
45AQI
27AQI
25AQI
32AQI
44AQI
45AQI
86AQI
62AQI
44AQI
47AQI
52AQI
51AQI
42AQI
50AQI
47AQI
50AQI
53AQI
52AQI
39AQI
60AQI
60AQI
60AQI
36AQI
39AQI
43AQI
19AQI
23AQI
40AQI
41AQI
29AQI
22AQI
29AQI
33AQI
40AQI
31AQI
29AQI
29AQI
31AQI
32AQI
40AQI
47AQI
49AQI
27AQI
37AQI
26AQI
35AQI
49AQI
51AQI
48AQI
56AQI
53AQI
51AQI
46AQI
54AQI
63AQI
64AQI
67AQI
54AQI
44AQI
34AQI
32AQI
27AQI
33AQI
50AQI
51AQI
43AQI
33AQI
39AQI
47AQI
62AQI
60AQI
62AQI
45AQI
28AQI
32AQI
26AQI
42AQI
53AQI
40AQI
49AQI
48AQI
54AQI
33AQI
34AQI
44AQI
21AQI
17AQI
19AQI
22AQI
24AQI
31AQI
49AQI
39AQI
31AQI
29AQI
21AQI
22AQI
38AQI
32AQI
30AQI
52AQI
49AQI
43AQI
44AQI
37AQI
No. of days
202541AQI
Highest AQI recorded in
June52AQI
Lowest AQI recorded in
May30AQI
Most & Least Polluted Years Over the Last 1 Years
Noblesville's annual 2025 AQI (41) shows an average percentage change of NaN% (improved AQI) compared to previous years: .