Greenville, 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
Greenville, South Carolina, United States
AQI Trends: Highest and Lowest
Same Day Analysis (29th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 16 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 29th Oct - 30th Oct 2025
Greenville, South Carolina, United States
7 AM29th Oct 2025
6 PM
6 AM30th Oct 2025
29AQI
15AQI
21AQI
14AQI
In the last 24 hours,
Greenville's AQI reached its highest point of 29 at 3 PM during the Day, while the lowest point, 14, was recorded at 11 PM during the Night between 29th Oct and 30th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Greenville, South Carolina, United States
20°C18/25°C
22°C17/30°C
19°C14/26°C
18°C12/25°C
18°C11/25°C
20°C15/25°C
21°C16/29°C
22°C17/30°C
24°C19/31°C
19°C15/25°C
15°C10/22°C
17°C11/25°C
19°C13/26°C
20°C15/27°C
22°C15/30°C
21°C13/30°C
20°C14/27°C
18°C11/25°C
20°C12/30°C
17°C11/21°C
15°C7/23°C
17°C6/27°C
16°C9/25°C
15°C7/26°C
15°C7/23°C
12°C6/20°C
14°C8/21°C
10°C9/11°C
9°C8/12°C
9°C8/10°C
--°C/°C
42AQI
34AQI
35AQI
32AQI
2025 Days Vs Air Quality
Greenville, South Carolina, United States
84%
183
16%
34
Total number of days with different AQI categories in last 303 days in 2025 (62 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 303 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
Greenville, South Carolina, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
54AQI
65AQI
52AQI
35AQI
28AQI
20AQI
38AQI
45AQI
42AQI
43AQI
27AQI
19AQI
21AQI
27AQI
50AQI
24AQI
23AQI
29AQI
41AQI
38AQI
24AQI
36AQI
59AQI
53AQI
52AQI
46AQI
43AQI
32AQI
35AQI
47AQI
32AQI
31AQI
37AQI
42AQI
50AQI
50AQI
39AQI
27AQI
20AQI
27AQI
28AQI
36AQI
46AQI
31AQI
27AQI
32AQI
22AQI
21AQI
24AQI
38AQI
42AQI
32AQI
30AQI
33AQI
35AQI
29AQI
25AQI
21AQI
25AQI
38AQI
39AQI
17AQI
17AQI
30AQI
23AQI
36AQI
54AQI
56AQI
58AQI
66AQI
49AQI
44AQI
33AQI
31AQI
32AQI
30AQI
47AQI
56AQI
28AQI
26AQI
27AQI
33AQI
29AQI
23AQI
29AQI
29AQI
42AQI
46AQI
55AQI
58AQI
57AQI
46AQI
51AQI
39AQI
39AQI
40AQI
37AQI
27AQI
38AQI
52AQI
66AQI
57AQI
54AQI
56AQI
55AQI
36AQI
31AQI
30AQI
39AQI
32AQI
33AQI
31AQI
34AQI
32AQI
24AQI
38AQI
37AQI
39AQI
40AQI
53AQI
35AQI
31AQI
27AQI
25AQI
25AQI
28AQI
26AQI
35AQI
25AQI
32AQI
37AQI
30AQI
30AQI
30AQI
56AQI
69AQI
55AQI
22AQI
22AQI
25AQI
24AQI
35AQI
43AQI
45AQI
50AQI
50AQI
48AQI
39AQI
36AQI
35AQI
35AQI
30AQI
27AQI
25AQI
41AQI
37AQI
45AQI
46AQI
37AQI
32AQI
43AQI
49AQI
48AQI
55AQI
38AQI
28AQI
31AQI
34AQI
41AQI
44AQI
46AQI
50AQI
52AQI
50AQI
50AQI
52AQI
56AQI
43AQI
53AQI
53AQI
53AQI
55AQI
23AQI
24AQI
19AQI
26AQI
24AQI
16AQI
42AQI
43AQI
35AQI
45AQI
37AQI
16AQI
25AQI
34AQI
19AQI
26AQI
27AQI
25AQI
18AQI
22AQI
33AQI
32AQI
45AQI
65AQI
35AQI
22AQI
44AQI
26AQI
25AQI
26AQI
23AQI
31AQI
24AQI
16AQI
16AQI
47AQI
37AQI
30AQI
42AQI
38AQI
37AQI
41AQI
30AQI
No. of days
202537AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
October30AQI
Most & Least Polluted Years Over the Last 1 Years
Greenville's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .