Anderson, 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
Anderson, Indiana, United States
AQI Trends: Highest and Lowest
Same Day Analysis (4th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Anderson, Indiana, United States
7 AM4th Oct 2025
7 PM
6 AM5th Oct 2025
58AQI
42AQI
65AQI
45AQI
In the last 24 hours,
Anderson's AQI reached its highest point of 65 at 11 PM during the Night, while the lowest point, 42, was recorded at 7 PM during the Day between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Anderson, Indiana, United States
17°C9/26°C
16°C11/23°C
15°C7/22°C
13°C2/23°C
16°C5/26°C
18°C8/28°C
19°C9/29°C
19°C9/30°C
21°C11/31°C
23°C16/32°C
22°C12/32°C
21°C11/30°C
22°C13/31°C
23°C14/32°C
23°C14/33°C
23°C16/32°C
23°C18/31°C
20°C19/23°C
20°C17/26°C
21°C18/26°C
19°C17/23°C
18°C12/28°C
20°C10/31°C
22°C13/33°C
23°C13/33°C
22°C13/31°C
21°C12/31°C
20°C11/30°C
22°C12/33°C
23°C16/32°C
--°C/°C
39AQI
39AQI
42AQI
39AQI
2025 Days Vs Air Quality
Anderson, Indiana, United States
84%
233
16%
44
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 278 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
Anderson, Indiana, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
23AQI
25AQI
23AQI
22AQI
26AQI
22AQI
33AQI
53AQI
63AQI
49AQI
43AQI
22AQI
26AQI
44AQI
42AQI
42AQI
25AQI
23AQI
22AQI
23AQI
29AQI
32AQI
37AQI
36AQI
23AQI
25AQI
25AQI
23AQI
26AQI
25AQI
24AQI
34AQI
38AQI
32AQI
29AQI
28AQI
23AQI
22AQI
25AQI
26AQI
36AQI
53AQI
39AQI
30AQI
26AQI
31AQI
25AQI
26AQI
24AQI
23AQI
34AQI
47AQI
44AQI
35AQI
33AQI
36AQI
44AQI
30AQI
27AQI
26AQI
29AQI
31AQI
25AQI
27AQI
25AQI
35AQI
31AQI
33AQI
39AQI
32AQI
37AQI
45AQI
32AQI
18AQI
19AQI
20AQI
27AQI
17AQI
19AQI
20AQI
23AQI
18AQI
21AQI
29AQI
33AQI
38AQI
50AQI
34AQI
17AQI
23AQI
27AQI
22AQI
29AQI
15AQI
19AQI
28AQI
16AQI
24AQI
35AQI
36AQI
40AQI
36AQI
31AQI
20AQI
22AQI
33AQI
48AQI
36AQI
34AQI
27AQI
22AQI
29AQI
33AQI
27AQI
24AQI
22AQI
21AQI
37AQI
18AQI
30AQI
23AQI
31AQI
22AQI
18AQI
24AQI
26AQI
35AQI
29AQI
37AQI
33AQI
26AQI
22AQI
25AQI
44AQI
51AQI
24AQI
20AQI
20AQI
26AQI
21AQI
16AQI
14AQI
19AQI
24AQI
24AQI
21AQI
19AQI
32AQI
35AQI
41AQI
27AQI
44AQI
54AQI
69AQI
42AQI
52AQI
68AQI
65AQI
57AQI
57AQI
62AQI
71AQI
71AQI
44AQI
45AQI
44AQI
29AQI
32AQI
23AQI
32AQI
40AQI
43AQI
56AQI
56AQI
51AQI
46AQI
43AQI
32AQI
33AQI
31AQI
29AQI
40AQI
49AQI
58AQI
87AQI
62AQI
38AQI
62AQI
60AQI
44AQI
45AQI
47AQI
40AQI
53AQI
61AQI
34AQI
23AQI
19AQI
24AQI
28AQI
38AQI
66AQI
55AQI
56AQI
53AQI
39AQI
25AQI
26AQI
27AQI
37AQI
45AQI
85AQI
60AQI
41AQI
45AQI
52AQI
45AQI
39AQI
42AQI
47AQI
44AQI
49AQI
49AQI
36AQI
58AQI
58AQI
57AQI
34AQI
34AQI
37AQI
18AQI
21AQI
38AQI
38AQI
28AQI
19AQI
23AQI
27AQI
34AQI
28AQI
26AQI
26AQI
28AQI
28AQI
33AQI
42AQI
48AQI
25AQI
33AQI
22AQI
27AQI
39AQI
44AQI
42AQI
51AQI
51AQI
51AQI
43AQI
52AQI
56AQI
57AQI
58AQI
53AQI
44AQI
35AQI
36AQI
30AQI
32AQI
41AQI
44AQI
37AQI
27AQI
41AQI
44AQI
57AQI
62AQI
31AQI
32AQI
28AQI
28AQI
27AQI
47AQI
44AQI
40AQI
40AQI
51AQI
No. of days
202535AQI
Highest AQI recorded in
October51AQI
Lowest AQI recorded in
May27AQI
202433AQI
Highest AQI recorded in
July37AQI
Lowest AQI recorded in
November28AQI
202341AQI
Highest AQI recorded in
June74AQI
Lowest AQI recorded in
October29AQI
202239AQI
Highest AQI recorded in
February74AQI
Lowest AQI recorded in
March28AQI
202141AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
October34AQI
202034AQI
Highest AQI recorded in
December45AQI
Lowest AQI recorded in
May27AQI
Most & Least Polluted Years Over the Last 6 Years
Anderson's annual 2025 AQI (35) shows an average percentage change of -5.1% (improved AQI) compared to previous years: 2020 (34), 2021 (41), 2022 (39), 2023 (41), 2024 (33).