Charleroi, Pennsylvania, 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
Charleroi, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (25th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 25th Oct - 26th Oct 2025
Charleroi, Pennsylvania, United States
7 AM25th Oct 2025
6 PM
6 AM26th Oct 2025
19AQI
12AQI
18AQI
11AQI
In the last 24 hours,
Charleroi's AQI reached its highest point of 19 at 12 PM during the Day, while the lowest point, 11, was recorded at 6 AM during the Night between 25th Oct and 26th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Charleroi, Pennsylvania, United States
21°C17/27°C
19°C14/26°C
20°C13/31°C
21°C13/30°C
21°C15/30°C
18°C11/26°C
17°C7/27°C
18°C9/28°C
19°C9/30°C
20°C10/30°C
20°C11/31°C
19°C16/25°C
15°C9/19°C
10°C4/16°C
12°C6/20°C
14°C7/23°C
15°C10/21°C
14°C11/18°C
15°C12/21°C
14°C9/22°C
10°C5/19°C
10°C2/20°C
16°C8/28°C
18°C11/27°C
11°C7/14°C
9°C5/14°C
8°C5/11°C
8°C5/11°C
6°C2/10°C
8°C3/13°C
--°C/°C
40AQI
33AQI
41AQI
33AQI
2025 Days Vs Air Quality
Charleroi, Pennsylvania, United States
79%
169
21%
44
Total number of days with different AQI categories in last 299 days in 2025 (66 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 299 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
Charleroi, Pennsylvania, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
36AQI
56AQI
48AQI
20AQI
18AQI
26AQI
21AQI
26AQI
26AQI
15AQI
22AQI
14AQI
24AQI
29AQI
34AQI
34AQI
33AQI
37AQI
23AQI
16AQI
27AQI
43AQI
53AQI
25AQI
35AQI
20AQI
29AQI
37AQI
42AQI
21AQI
13AQI
23AQI
33AQI
18AQI
33AQI
26AQI
20AQI
18AQI
24AQI
18AQI
20AQI
32AQI
18AQI
22AQI
38AQI
38AQI
18AQI
19AQI
26AQI
46AQI
25AQI
16AQI
20AQI
24AQI
20AQI
12AQI
14AQI
14AQI
17AQI
22AQI
21AQI
13AQI
23AQI
34AQI
36AQI
25AQI
28AQI
40AQI
68AQI
69AQI
54AQI
54AQI
57AQI
49AQI
46AQI
57AQI
65AQI
73AQI
54AQI
35AQI
23AQI
25AQI
26AQI
23AQI
25AQI
44AQI
47AQI
57AQI
57AQI
55AQI
45AQI
36AQI
39AQI
42AQI
47AQI
32AQI
34AQI
47AQI
61AQI
81AQI
63AQI
55AQI
38AQI
54AQI
49AQI
54AQI
54AQI
45AQI
41AQI
44AQI
42AQI
26AQI
24AQI
29AQI
28AQI
40AQI
58AQI
52AQI
55AQI
51AQI
40AQI
33AQI
35AQI
42AQI
46AQI
54AQI
66AQI
33AQI
48AQI
54AQI
62AQI
73AQI
65AQI
81AQI
66AQI
57AQI
51AQI
46AQI
37AQI
43AQI
60AQI
58AQI
48AQI
25AQI
33AQI
30AQI
23AQI
22AQI
37AQI
41AQI
21AQI
19AQI
22AQI
30AQI
25AQI
23AQI
27AQI
29AQI
28AQI
34AQI
28AQI
53AQI
46AQI
30AQI
28AQI
35AQI
34AQI
40AQI
40AQI
47AQI
51AQI
49AQI
50AQI
51AQI
50AQI
52AQI
52AQI
39AQI
40AQI
28AQI
40AQI
23AQI
35AQI
36AQI
45AQI
50AQI
28AQI
36AQI
46AQI
47AQI
50AQI
55AQI
93AQI
30AQI
23AQI
42AQI
42AQI
47AQI
37AQI
26AQI
25AQI
35AQI
35AQI
49AQI
47AQI
46AQI
24AQI
28AQI
19AQI
14AQI
15AQI
23AQI
37AQI
27AQI
23AQI
46AQI
45AQI
43AQI
40AQI
37AQI
No. of days
202537AQI
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
Charleroi's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .