Trenton, Aiken, South Carolina, 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
Trenton, Aiken, South Carolina, United States
AQI Trends: Highest and Lowest
Same Day Analysis (22nd October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 41 of Good air quality, showing improvement over 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Oct - 22nd Oct 2025
Trenton, Aiken, South Carolina, United States
7 AM21st Oct 2025
7 PM
6 AM22nd Oct 2025
62AQI
29AQI
48AQI
28AQI
In the last 24 hours,
Trenton's AQI reached its highest point of 62 at 8 AM during the Day, while the lowest point, 28, was recorded at 8 PM during the Night between 21st Oct and 22nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Trenton, Aiken, South Carolina, United States
--°C/°C
25°C17/33°C
27°C18/35°C
27°C22/33°C
24°C21/31°C
22°C19/26°C
21°C17/27°C
20°C18/24°C
21°C19/25°C
21°C16/28°C
19°C14/26°C
19°C13/28°C
20°C13/29°C
21°C17/26°C
22°C18/27°C
23°C17/29°C
23°C18/29°C
21°C16/26°C
16°C12/22°C
17°C13/22°C
18°C14/23°C
20°C14/28°C
21°C13/29°C
20°C13/28°C
20°C13/27°C
18°C10/26°C
19°C12/28°C
19°C14/25°C
16°C10/25°C
17°C7/27°C
18°C10/26°C
38AQI
31AQI
43AQI
32AQI
2025 Days Vs Air Quality
Trenton, Aiken, South Carolina, United States
87%
256
13%
39
Total number of days with different AQI categories in last 296 days in 2025 (69 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 296 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
Trenton, Aiken, South Carolina, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI
27AQI
34AQI
25AQI
27AQI
22AQI
24AQI
29AQI
32AQI
47AQI
26AQI
32AQI
36AQI
28AQI
27AQI
29AQI
42AQI
41AQI
35AQI
23AQI
26AQI
31AQI
41AQI
41AQI
40AQI
47AQI
51AQI
29AQI
30AQI
43AQI
47AQI
28AQI
37AQI
55AQI
49AQI
69AQI
58AQI
43AQI
41AQI
37AQI
27AQI
26AQI
22AQI
21AQI
27AQI
33AQI
26AQI
30AQI
32AQI
33AQI
34AQI
26AQI
37AQI
50AQI
52AQI
71AQI
63AQI
57AQI
35AQI
49AQI
31AQI
38AQI
34AQI
32AQI
28AQI
31AQI
44AQI
29AQI
29AQI
34AQI
46AQI
63AQI
57AQI
53AQI
41AQI
26AQI
27AQI
50AQI
40AQI
22AQI
48AQI
35AQI
43AQI
24AQI
26AQI
35AQI
53AQI
41AQI
41AQI
27AQI
28AQI
45AQI
41AQI
48AQI
42AQI
33AQI
29AQI
21AQI
27AQI
50AQI
29AQI
24AQI
29AQI
39AQI
45AQI
31AQI
47AQI
54AQI
46AQI
39AQI
43AQI
45AQI
35AQI
43AQI
39AQI
35AQI
34AQI
36AQI
39AQI
38AQI
41AQI
42AQI
42AQI
22AQI
23AQI
28AQI
45AQI
50AQI
30AQI
32AQI
29AQI
22AQI
27AQI
34AQI
44AQI
49AQI
41AQI
39AQI
35AQI
51AQI
31AQI
21AQI
24AQI
26AQI
39AQI
37AQI
24AQI
23AQI
38AQI
25AQI
35AQI
55AQI
59AQI
60AQI
60AQI
39AQI
46AQI
45AQI
31AQI
29AQI
27AQI
41AQI
39AQI
32AQI
29AQI
28AQI
28AQI
29AQI
23AQI
27AQI
28AQI
39AQI
43AQI
44AQI
53AQI
60AQI
43AQI
46AQI
43AQI
38AQI
39AQI
38AQI
34AQI
33AQI
46AQI
54AQI
53AQI
51AQI
56AQI
48AQI
39AQI
35AQI
32AQI
32AQI
39AQI
36AQI
33AQI
35AQI
31AQI
27AQI
34AQI
39AQI
41AQI
35AQI
42AQI
30AQI
34AQI
27AQI
27AQI
30AQI
31AQI
39AQI
34AQI
25AQI
35AQI
36AQI
30AQI
32AQI
28AQI
36AQI
55AQI
42AQI
24AQI
25AQI
27AQI
24AQI
33AQI
35AQI
47AQI
49AQI
54AQI
49AQI
45AQI
34AQI
32AQI
34AQI
33AQI
29AQI
31AQI
44AQI
51AQI
51AQI
46AQI
31AQI
27AQI
38AQI
49AQI
50AQI
54AQI
43AQI
30AQI
33AQI
33AQI
40AQI
38AQI
42AQI
45AQI
51AQI
51AQI
55AQI
58AQI
62AQI
57AQI
52AQI
52AQI
50AQI
50AQI
29AQI
25AQI
31AQI
36AQI
31AQI
32AQI
50AQI
43AQI
33AQI
36AQI
31AQI
34AQI
31AQI
35AQI
29AQI
30AQI
22AQI
26AQI
28AQI
39AQI
40AQI
52AQI
60AQI
47AQI
34AQI
24AQI
50AQI
41AQI
33AQI
40AQI
38AQI
38AQI
34AQI
40AQI
37AQI
37AQI
43AQI
37AQI
No. of days
202538AQI
Highest AQI recorded in
September43AQI
Lowest AQI recorded in
January33AQI
202437AQI
Highest AQI recorded in
February46AQI
Lowest AQI recorded in
January31AQI
202338AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
December28AQI
202237AQI
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
July28AQI
202137AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
January28AQI
202032AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
May29AQI
Most & Least Polluted Years Over the Last 6 Years
Trenton's annual 2025 AQI (38) shows an average percentage change of 3.7% (worsened AQI) compared to previous years: 2020 (32), 2021 (37), 2022 (37), 2023 (38), 2024 (37).