Charleroi, Monessen, 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, Monessen, Pennsylvania, United States
AQI Trends: Highest and Lowest
Same Day Analysis (19th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Oct - 20th Oct 2025
Charleroi, Monessen, Pennsylvania, United States
7 AM19th Oct 2025
6 PM
6 AM20th Oct 2025
69AQI
16AQI
23AQI
21AQI
In the last 24 hours,
Charleroi's AQI reached its highest point of 69 at 7 AM during the Day, while the lowest point, 16, was recorded at 5 PM during the Day between 19th Oct and 20th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Charleroi, Monessen, Pennsylvania, United States
22°C16/30°C
23°C17/32°C
25°C19/32°C
20°C18/24°C
20°C17/24°C
20°C18/22°C
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
--°C/°C
41AQI
33AQI
41AQI
38AQI
2025 Days Vs Air Quality
Charleroi, Monessen, Pennsylvania, United States
84%
245
16%
47
Total number of days with different AQI categories in last 293 days in 2025 (72 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 293 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, Monessen, Pennsylvania, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
21AQI
25AQI
23AQI
34AQI
29AQI
22AQI
27AQI
28AQI
57AQI
63AQI
51AQI
28AQI
26AQI
40AQI
42AQI
47AQI
35AQI
25AQI
26AQI
33AQI
45AQI
45AQI
37AQI
44AQI
29AQI
32AQI
27AQI
27AQI
30AQI
32AQI
27AQI
26AQI
40AQI
32AQI
23AQI
27AQI
24AQI
30AQI
27AQI
31AQI
46AQI
36AQI
24AQI
30AQI
30AQI
24AQI
29AQI
28AQI
29AQI
26AQI
33AQI
40AQI
39AQI
40AQI
36AQI
41AQI
43AQI
27AQI
28AQI
26AQI
30AQI
35AQI
27AQI
26AQI
30AQI
31AQI
31AQI
33AQI
37AQI
31AQI
47AQI
50AQI
48AQI
26AQI
17AQI
23AQI
32AQI
25AQI
16AQI
20AQI
22AQI
19AQI
20AQI
20AQI
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
64AQI
73AQI
55AQI
35AQI
23AQI
25AQI
26AQI
23AQI
25AQI
44AQI
47AQI
57AQI
57AQI
55AQI
45AQI
36AQI
38AQI
42AQI
47AQI
32AQI
35AQI
46AQI
61AQI
81AQI
63AQI
55AQI
38AQI
53AQI
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
74AQI
65AQI
81AQI
67AQI
57AQI
52AQI
47AQI
38AQI
42AQI
60AQI
58AQI
48AQI
25AQI
32AQI
30AQI
23AQI
22AQI
37AQI
41AQI
21AQI
19AQI
22AQI
30AQI
25AQI
23AQI
27AQI
29AQI
28AQI
34AQI
28AQI
53AQI
46AQI
31AQI
28AQI
35AQI
33AQI
40AQI
40AQI
47AQI
51AQI
49AQI
50AQI
51AQI
50AQI
52AQI
52AQI
39AQI
40AQI
28AQI
40AQI
23AQI
35AQI
36AQI
45AQI
49AQI
28AQI
36AQI
47AQI
48AQI
49AQI
55AQI
94AQI
31AQI
22AQI
42AQI
42AQI
47AQI
37AQI
26AQI
24AQI
35AQI
34AQI
49AQI
47AQI
46AQI
34AQI
32AQI
30AQI
27AQI
23AQI
45AQI
45AQI
43AQI
40AQI
43AQI
No. of days
202536AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
May23AQI
202434AQI
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
November27AQI
202343AQI
Highest AQI recorded in
June76AQI
Lowest AQI recorded in
October27AQI
202240AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
August32AQI
202140AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
October31AQI
202032AQI
Highest AQI recorded in
November41AQI
Lowest AQI recorded in
March20AQI
Most & Least Polluted Years Over the Last 6 Years
Charleroi's annual 2025 AQI (36) shows an average percentage change of -3.3% (improved AQI) compared to previous years: 2020 (32), 2021 (40), 2022 (40), 2023 (43), 2024 (34).