Toledo, 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
Toledo, Ohio, United States
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 61 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Toledo, Ohio, United States
6 AM4th Aug 2025
9 PM
5 AM5th Aug 2025
71AQI
55AQI
73AQI
54AQI
In the last 24 hours,
Toledo's AQI reached its highest point of 73 at 1 AM during the Night, while the lowest point, 54, was recorded at 2 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Toledo, Ohio, United States
29°C23/37°C
23°C21/24°C
24°C15/33°C
26°C21/33°C
27°C20/32°C
27°C21/33°C
28°C23/36°C
27°C22/32°C
28°C20/34°C
27°C17/35°C
26°C23/30°C
25°C22/29°C
22°C19/25°C
24°C17/31°C
24°C22/27°C
23°C17/29°C
22°C16/30°C
26°C19/35°C
30°C21/39°C
27°C23/31°C
28°C23/34°C
27°C23/32°C
28°C22/34°C
27°C18/34°C
27°C22/33°C
21°C18/27°C
21°C15/27°C
21°C12/28°C
21°C14/27°C
22°C15/28°C
--°C/°C
43AQI
43AQI
44AQI
44AQI
2025 Days Vs Air Quality
Toledo, Ohio, United States
76%
164
23%
49
0.9%
2
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 217 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
Toledo, Ohio, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI
30AQI
29AQI
21AQI
37AQI
23AQI
20AQI
21AQI
38AQI
76AQI
62AQI
60AQI
33AQI
29AQI
44AQI
62AQI
54AQI
29AQI
20AQI
22AQI
30AQI
39AQI
44AQI
50AQI
53AQI
33AQI
32AQI
29AQI
26AQI
38AQI
39AQI
20AQI
47AQI
64AQI
23AQI
22AQI
44AQI
35AQI
51AQI
41AQI
47AQI
55AQI
50AQI
44AQI
59AQI
59AQI
34AQI
24AQI
27AQI
27AQI
28AQI
32AQI
54AQI
54AQI
53AQI
42AQI
44AQI
50AQI
26AQI
27AQI
29AQI
38AQI
38AQI
26AQI
28AQI
28AQI
31AQI
29AQI
30AQI
33AQI
29AQI
30AQI
46AQI
37AQI
21AQI
19AQI
24AQI
37AQI
21AQI
21AQI
18AQI
24AQI
23AQI
24AQI
22AQI
48AQI
51AQI
55AQI
47AQI
20AQI
21AQI
30AQI
23AQI
23AQI
27AQI
21AQI
30AQI
18AQI
34AQI
40AQI
41AQI
36AQI
37AQI
38AQI
20AQI
18AQI
39AQI
51AQI
44AQI
21AQI
28AQI
20AQI
42AQI
51AQI
41AQI
24AQI
25AQI
30AQI
44AQI
21AQI
28AQI
36AQI
21AQI
22AQI
29AQI
26AQI
32AQI
28AQI
28AQI
39AQI
26AQI
36AQI
30AQI
33AQI
41AQI
49AQI
32AQI
20AQI
26AQI
21AQI
28AQI
15AQI
14AQI
13AQI
30AQI
34AQI
32AQI
26AQI
41AQI
44AQI
38AQI
30AQI
45AQI
59AQI
69AQI
76AQI
105AQI
84AQI
98AQI
71AQI
59AQI
69AQI
78AQI
60AQI
48AQI
48AQI
47AQI
40AQI
39AQI
24AQI
40AQI
48AQI
50AQI
58AQI
59AQI
53AQI
49AQI
45AQI
31AQI
37AQI
36AQI
38AQI
47AQI
54AQI
61AQI
83AQI
61AQI
42AQI
56AQI
63AQI
53AQI
54AQI
53AQI
39AQI
70AQI
102AQI
82AQI
30AQI
20AQI
33AQI
30AQI
55AQI
48AQI
46AQI
62AQI
34AQI
35AQI
29AQI
41AQI
37AQI
52AQI
95AQI
77AQI
52AQI
61AQI
37AQI
41AQI
31AQI
31AQI
30AQI
55AQI
52AQI
63AQI
No. of days
202540AQI
Highest AQI recorded in
August63AQI
Lowest AQI recorded in
May30AQI
202442AQI
Highest AQI recorded in
June64AQI
Lowest AQI recorded in
November33AQI
202338AQI
Highest AQI recorded in
June66AQI
Lowest AQI recorded in
October23AQI
202234AQI
Highest AQI recorded in
July45AQI
Lowest AQI recorded in
February26AQI
202136AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
January28AQI
202035AQI
Highest AQI recorded in
July43AQI
Lowest AQI recorded in
October28AQI
Most & Least Polluted Years Over the Last 6 Years
Toledo's annual 2025 AQI (40) shows an average percentage change of 8.5% (worsened AQI) compared to previous years: 2020 (35), 2021 (36), 2022 (34), 2023 (38), 2024 (42).