Sheffield Lake, Ohio, 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
Sheffield Lake, Ohio, United States
AQI Trends: Highest and Lowest
Same Day Analysis (31st October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Oct - 2nd Oct 2025
Sheffield Lake, Ohio, United States
7 AM1st Oct 2025
7 PM
6 AM2nd Oct 2025
29AQI
19AQI
24AQI
12AQI
In the last 24 hours,
Sheffield Lake's AQI reached its highest point of 29 at 10 AM during the Day, while the lowest point, 12, was recorded at 12 AM during the Night between 1st Oct and 2nd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Sheffield Lake, Ohio, United States
19°C13/24°C
20°C11/28°C
18°C16/19°C
18°C10/26°C
18°C15/22°C
16°C13/21°C
16°C9/20°C
17°C8/25°C
16°C10/22°C
17°C12/23°C
18°C12/21°C
18°C12/22°C
19°C11/25°C
21°C17/26°C
20°C17/23°C
19°C16/24°C
17°C12/22°C
20°C16/23°C
21°C17/25°C
23°C17/31°C
22°C20/28°C
21°C19/26°C
20°C19/24°C
20°C18/24°C
20°C16/25°C
21°C15/28°C
22°C17/27°C
20°C14/26°C
19°C12/26°C
20°C15/23°C
--°C/°C
50AQI
40AQI
42AQI
39AQI
2025 Days Vs Air Quality
Sheffield Lake, Ohio, United States
78%
214
22%
59
Total number of days with different AQI categories in last 275 days in 2025 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 275 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
Sheffield Lake, Ohio, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
35AQI
32AQI
22AQI
33AQI
23AQI
21AQI
24AQI
28AQI
63AQI
61AQI
55AQI
30AQI
30AQI
38AQI
55AQI
45AQI
26AQI
23AQI
23AQI
28AQI
37AQI
40AQI
38AQI
49AQI
30AQI
28AQI
26AQI
24AQI
33AQI
39AQI
23AQI
33AQI
54AQI
25AQI
22AQI
29AQI
28AQI
38AQI
34AQI
35AQI
52AQI
50AQI
31AQI
43AQI
40AQI
27AQI
23AQI
26AQI
28AQI
29AQI
29AQI
50AQI
51AQI
45AQI
43AQI
44AQI
48AQI
27AQI
28AQI
28AQI
35AQI
35AQI
28AQI
28AQI
28AQI
32AQI
29AQI
31AQI
34AQI
28AQI
33AQI
48AQI
47AQI
24AQI
19AQI
26AQI
34AQI
22AQI
18AQI
19AQI
21AQI
22AQI
28AQI
23AQI
39AQI
49AQI
56AQI
44AQI
20AQI
19AQI
31AQI
24AQI
19AQI
23AQI
19AQI
24AQI
17AQI
28AQI
37AQI
35AQI
31AQI
36AQI
38AQI
22AQI
18AQI
37AQI
49AQI
46AQI
19AQI
35AQI
21AQI
41AQI
53AQI
39AQI
23AQI
21AQI
30AQI
41AQI
18AQI
31AQI
30AQI
21AQI
19AQI
25AQI
24AQI
31AQI
27AQI
25AQI
31AQI
29AQI
37AQI
23AQI
21AQI
35AQI
44AQI
29AQI
22AQI
20AQI
24AQI
25AQI
13AQI
13AQI
13AQI
25AQI
27AQI
29AQI
19AQI
34AQI
39AQI
32AQI
28AQI
33AQI
49AQI
74AQI
81AQI
84AQI
83AQI
83AQI
63AQI
52AQI
64AQI
72AQI
69AQI
54AQI
44AQI
40AQI
38AQI
32AQI
25AQI
35AQI
44AQI
48AQI
57AQI
58AQI
49AQI
49AQI
44AQI
35AQI
35AQI
38AQI
33AQI
41AQI
54AQI
61AQI
76AQI
58AQI
43AQI
49AQI
62AQI
54AQI
53AQI
48AQI
41AQI
66AQI
91AQI
76AQI
30AQI
19AQI
30AQI
31AQI
57AQI
40AQI
37AQI
57AQI
42AQI
45AQI
33AQI
40AQI
36AQI
50AQI
80AQI
67AQI
39AQI
43AQI
82AQI
90AQI
78AQI
69AQI
61AQI
59AQI
64AQI
59AQI
55AQI
32AQI
59AQI
74AQI
66AQI
44AQI
22AQI
31AQI
26AQI
15AQI
22AQI
36AQI
31AQI
20AQI
21AQI
25AQI
31AQI
23AQI
22AQI
31AQI
31AQI
33AQI
37AQI
33AQI
53AQI
28AQI
27AQI
28AQI
27AQI
36AQI
46AQI
47AQI
53AQI
57AQI
53AQI
51AQI
54AQI
55AQI
52AQI
30AQI
45AQI
43AQI
36AQI
36AQI
35AQI
39AQI
35AQI
56AQI
56AQI
57AQI
34AQI
36AQI
31AQI
30AQI
26AQI
52AQI
49AQI
45AQI
42AQI
No. of days
202538AQI
Highest AQI recorded in
June52AQI
Lowest AQI recorded in
May26AQI
202436AQI
Highest AQI recorded in
September45AQI
Lowest AQI recorded in
November28AQI
202340AQI
Highest AQI recorded in
December40AQI
Lowest AQI recorded in
November40AQI
202130AQI
Highest AQI recorded in
February38AQI
Lowest AQI recorded in
September23AQI
202028AQI
Highest AQI recorded in
December34AQI
Lowest AQI recorded in
November25AQI
Most & Least Polluted Years Over the Last 5 Years
Sheffield Lake's annual 2025 AQI (38) shows an average percentage change of 17.09% (worsened AQI) compared to previous years: 2020 (28), 2021 (30), 2023 (40), 2024 (36).