Canton, Ohio, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Canton, Ohio, United States
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 62 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Aug - 9th Aug 2025
Canton, Ohio, United States
6 AM8th Aug 2025
8 PM
5 AM9th Aug 2025
70AQI
57AQI
64AQI
60AQI
In the last 24 hours,
Canton's AQI reached its highest point of 70 at 9 AM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 8th Aug and 9th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Canton, Ohio, United States
24°C20/28°C
26°C19/31°C
27°C21/34°C
25°C22/29°C
26°C20/33°C
26°C16/34°C
24°C22/28°C
25°C22/29°C
21°C18/24°C
24°C19/29°C
24°C20/28°C
20°C13/26°C
20°C10/29°C
24°C15/32°C
27°C18/34°C
27°C23/30°C
27°C22/33°C
25°C22/29°C
25°C18/33°C
25°C20/31°C
26°C18/34°C
19°C16/22°C
19°C11/26°C
18°C10/24°C
19°C10/28°C
20°C12/27°C
23°C15/31°C
23°C18/30°C
22°C14/27°C
23°C16/30°C
--°C/°C
50AQI
50AQI
48AQI
48AQI
2025 Days Vs Air Quality
Canton, Ohio, United States
81%
179
19%
41
Total number of days with different AQI categories in last 221 days in 2025 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2025, 81% of 221 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
Canton, Ohio, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI
24AQI
28AQI
22AQI
38AQI
27AQI
19AQI
22AQI
29AQI
58AQI
62AQI
51AQI
26AQI
29AQI
38AQI
50AQI
49AQI
23AQI
21AQI
23AQI
26AQI
35AQI
39AQI
36AQI
49AQI
28AQI
26AQI
27AQI
24AQI
30AQI
30AQI
25AQI
29AQI
46AQI
31AQI
21AQI
30AQI
24AQI
35AQI
30AQI
37AQI
59AQI
48AQI
30AQI
43AQI
32AQI
21AQI
21AQI
25AQI
26AQI
27AQI
32AQI
54AQI
55AQI
37AQI
36AQI
53AQI
49AQI
25AQI
24AQI
24AQI
31AQI
28AQI
29AQI
27AQI
27AQI
32AQI
28AQI
33AQI
37AQI
30AQI
35AQI
46AQI
48AQI
28AQI
19AQI
23AQI
27AQI
23AQI
18AQI
21AQI
23AQI
21AQI
32AQI
21AQI
38AQI
47AQI
62AQI
43AQI
20AQI
23AQI
26AQI
24AQI
22AQI
24AQI
17AQI
23AQI
15AQI
30AQI
36AQI
35AQI
39AQI
42AQI
37AQI
20AQI
21AQI
40AQI
44AQI
47AQI
32AQI
40AQI
20AQI
34AQI
47AQI
33AQI
21AQI
24AQI
33AQI
36AQI
16AQI
30AQI
28AQI
19AQI
17AQI
24AQI
21AQI
34AQI
36AQI
22AQI
35AQI
40AQI
30AQI
19AQI
19AQI
32AQI
48AQI
25AQI
18AQI
23AQI
30AQI
25AQI
14AQI
14AQI
14AQI
29AQI
32AQI
23AQI
15AQI
30AQI
44AQI
36AQI
30AQI
32AQI
43AQI
68AQI
70AQI
51AQI
85AQI
66AQI
51AQI
49AQI
59AQI
67AQI
73AQI
56AQI
41AQI
40AQI
35AQI
33AQI
23AQI
31AQI
48AQI
49AQI
57AQI
59AQI
50AQI
45AQI
41AQI
39AQI
40AQI
42AQI
32AQI
35AQI
47AQI
65AQI
74AQI
63AQI
56AQI
43AQI
64AQI
54AQI
54AQI
52AQI
43AQI
51AQI
66AQI
64AQI
30AQI
23AQI
29AQI
31AQI
49AQI
54AQI
40AQI
60AQI
52AQI
47AQI
31AQI
44AQI
32AQI
49AQI
60AQI
64AQI
31AQI
40AQI
59AQI
63AQI
72AQI
60AQI
62AQI
33AQI
35AQI
30AQI
30AQI
27AQI
49AQI
48AQI
56AQI
No. of days
202537AQI
Highest AQI recorded in
August56AQI
Lowest AQI recorded in
May27AQI
202431AQI
Highest AQI recorded in
June38AQI
Lowest AQI recorded in
April25AQI
202341AQI
Highest AQI recorded in
June77AQI
Lowest AQI recorded in
October24AQI
202237AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
April31AQI
202142AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
October32AQI
202037AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
March29AQI
Most & Least Polluted Years Over the Last 6 Years
Canton's annual 2025 AQI (37) shows an average percentage change of -1.05% (improved AQI) compared to previous years: 2020 (37), 2021 (42), 2022 (37), 2023 (41), 2024 (31).