Clayton Avenue, St. Louis, Missouri, 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
Clayton Avenue, St. Louis, Missouri, United States
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Aug - 11th Aug 2025
Clayton Avenue, St. Louis, Missouri, United States
5 AM10th Aug 2025
8 PM
4 AM11th Aug 2025
44AQI
32AQI
39AQI
32AQI
In the last 24 hours,
Clayton Avenue's AQI reached its highest point of 44 at 5 PM during the Day, while the lowest point, 32, was recorded at 4 AM during the Night between 10th Aug and 11th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Clayton Avenue, St. Louis, Missouri, United States
29°C25/34°C
26°C23/30°C
27°C23/34°C
28°C24/33°C
30°C23/39°C
28°C24/34°C
27°C24/35°C
29°C24/36°C
32°C26/39°C
26°C23/31°C
29°C24/36°C
31°C26/39°C
31°C25/37°C
31°C25/36°C
31°C26/37°C
31°C26/36°C
32°C28/38°C
33°C27/40°C
31°C24/36°C
26°C23/27°C
24°C19/31°C
23°C18/29°C
24°C17/28°C
25°C20/32°C
26°C22/33°C
29°C22/36°C
29°C24/35°C
31°C25/38°C
31°C24/38°C
30°C24/35°C
--°C/°C
42AQI
39AQI
42AQI
42AQI
2025 Days Vs Air Quality
Clayton Avenue, St. Louis, Missouri, United States
86%
118
13%
18
0.7%
1
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 223 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
Clayton Avenue, St. Louis, Missouri, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
34AQI
34AQI
33AQI
18AQI
28AQI
33AQI
21AQI
24AQI
23AQI
19AQI
21AQI
17AQI
23AQI
36AQI
38AQI
48AQI
34AQI
33AQI
20AQI
26AQI
42AQI
45AQI
42AQI
50AQI
21AQI
36AQI
37AQI
40AQI
34AQI
21AQI
23AQI
32AQI
27AQI
22AQI
22AQI
25AQI
22AQI
19AQI
18AQI
32AQI
27AQI
37AQI
24AQI
34AQI
33AQI
35AQI
30AQI
40AQI
53AQI
36AQI
22AQI
26AQI
26AQI
28AQI
16AQI
14AQI
19AQI
32AQI
34AQI
22AQI
26AQI
24AQI
41AQI
24AQI
38AQI
40AQI
43AQI
52AQI
48AQI
38AQI
52AQI
64AQI
50AQI
53AQI
57AQI
68AQI
70AQI
46AQI
33AQI
40AQI
29AQI
33AQI
34AQI
26AQI
36AQI
49AQI
52AQI
56AQI
53AQI
48AQI
48AQI
33AQI
27AQI
22AQI
26AQI
26AQI
37AQI
49AQI
58AQI
88AQI
59AQI
36AQI
47AQI
28AQI
34AQI
42AQI
33AQI
35AQI
34AQI
39AQI
36AQI
29AQI
27AQI
45AQI
52AQI
33AQI
43AQI
55AQI
56AQI
38AQI
38AQI
27AQI
33AQI
42AQI
38AQI
39AQI
104AQI
69AQI
34AQI
36AQI
31AQI
43AQI
47AQI
47AQI
39AQI
42AQI
33AQI
31AQI
28AQI
44AQI
41AQI
49AQI
No. of days
202537AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
May28AQI
Most & Least Polluted Years Over the Last 1 Years
Clayton Avenue's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .