Charleston Public Works, Charleston, 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
Charleston Public Works, Charleston, South Carolina, United States
AQI Trends: Highest and Lowest
Same Day Analysis (6th October ):
On this day, AQI across the 3 years varied significantly: 2025 ranks 3rd highest AQI at 12 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Charleston Public Works, Charleston, South Carolina, United States
7 AM6th Oct 2025
7 PM
6 AM7th Oct 2025
30AQI
13AQI
AQI
AQI
In the last 24 hours,
Charleston Public Works's AQI reached its highest point of 30 at 9 AM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Charleston Public Works, Charleston, South Carolina, United States
28°C24/35°C
24°C19/28°C
24°C19/29°C
25°C21/31°C
24°C19/31°C
26°C20/32°C
24°C20/29°C
25°C19/32°C
25°C18/32°C
25°C19/32°C
26°C20/33°C
27°C23/34°C
25°C22/32°C
25°C21/33°C
25°C21/29°C
24°C22/29°C
25°C22/29°C
26°C23/29°C
27°C25/31°C
27°C25/30°C
25°C23/28°C
25°C23/29°C
24°C23/29°C
23°C22/25°C
24°C20/28°C
22°C17/27°C
22°C17/28°C
24°C21/28°C
25°C23/28°C
25°C23/28°C
--°C/°C
42AQI
38AQI
40AQI
38AQI
2025 Days Vs Air Quality
Charleston Public Works, Charleston, South Carolina, United States
88%
246
12%
33
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 280 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
Charleston Public Works, Charleston, South Carolina, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI
43AQI
41AQI
32AQI
38AQI
51AQI
35AQI
35AQI
37AQI
43AQI
27AQI
32AQI
39AQI
34AQI
32AQI
44AQI
41AQI
32AQI
28AQI
23AQI
26AQI
28AQI
36AQI
42AQI
45AQI
43AQI
43AQI
29AQI
34AQI
39AQI
41AQI
33AQI
38AQI
40AQI
49AQI
53AQI
52AQI
50AQI
48AQI
38AQI
48AQI
43AQI
36AQI
31AQI
28AQI
37AQI
31AQI
33AQI
40AQI
30AQI
34AQI
27AQI
44AQI
57AQI
59AQI
65AQI
81AQI
71AQI
42AQI
60AQI
48AQI
42AQI
35AQI
52AQI
29AQI
35AQI
49AQI
31AQI
43AQI
44AQI
49AQI
48AQI
46AQI
39AQI
53AQI
38AQI
26AQI
44AQI
38AQI
33AQI
55AQI
52AQI
39AQI
33AQI
39AQI
37AQI
41AQI
36AQI
37AQI
30AQI
43AQI
43AQI
43AQI
45AQI
37AQI
36AQI
45AQI
30AQI
42AQI
38AQI
35AQI
29AQI
34AQI
40AQI
52AQI
46AQI
52AQI
36AQI
29AQI
29AQI
36AQI
40AQI
41AQI
43AQI
42AQI
42AQI
43AQI
35AQI
26AQI
30AQI
35AQI
41AQI
35AQI
32AQI
32AQI
41AQI
48AQI
47AQI
31AQI
34AQI
28AQI
34AQI
29AQI
33AQI
44AQI
53AQI
48AQI
43AQI
41AQI
51AQI
47AQI
31AQI
42AQI
34AQI
38AQI
39AQI
34AQI
33AQI
36AQI
31AQI
34AQI
56AQI
62AQI
60AQI
54AQI
45AQI
42AQI
51AQI
49AQI
44AQI
41AQI
40AQI
30AQI
41AQI
39AQI
32AQI
29AQI
32AQI
34AQI
32AQI
36AQI
36AQI
36AQI
34AQI
39AQI
50AQI
47AQI
32AQI
27AQI
36AQI
38AQI
44AQI
49AQI
42AQI
43AQI
37AQI
30AQI
34AQI
37AQI
36AQI
33AQI
32AQI
36AQI
37AQI
36AQI
34AQI
42AQI
37AQI
33AQI
36AQI
40AQI
40AQI
46AQI
43AQI
30AQI
35AQI
55AQI
38AQI
41AQI
39AQI
40AQI
48AQI
45AQI
33AQI
38AQI
39AQI
37AQI
38AQI
33AQI
55AQI
48AQI
28AQI
25AQI
24AQI
23AQI
27AQI
36AQI
41AQI
47AQI
53AQI
54AQI
53AQI
48AQI
38AQI
27AQI
30AQI
34AQI
46AQI
48AQI
42AQI
49AQI
44AQI
39AQI
28AQI
32AQI
35AQI
40AQI
33AQI
28AQI
30AQI
45AQI
39AQI
39AQI
40AQI
34AQI
39AQI
42AQI
53AQI
52AQI
53AQI
51AQI
49AQI
53AQI
47AQI
44AQI
38AQI
27AQI
26AQI
30AQI
20AQI
39AQI
34AQI
40AQI
57AQI
43AQI
38AQI
30AQI
18AQI
12AQI
37AQI
44AQI
41AQI
39AQI
38AQI
41AQI
39AQI
39AQI
39AQI
33AQI
No. of days
202539AQI
Highest AQI recorded in
February44AQI
Lowest AQI recorded in
October33AQI
202436AQI
Highest AQI recorded in
December46AQI
Lowest AQI recorded in
January29AQI
202327AQI
Highest AQI recorded in
November38AQI
Lowest AQI recorded in
December26AQI
202132AQI
Highest AQI recorded in
August37AQI
Lowest AQI recorded in
October28AQI
202031AQI
Highest AQI recorded in
December33AQI
Lowest AQI recorded in
November28AQI
Most & Least Polluted Years Over the Last 5 Years
Charleston Public Works's annual 2025 AQI (39) shows an average percentage change of 27.3% (worsened AQI) compared to previous years: 2020 (31), 2021 (32), 2023 (27), 2024 (36).