Hyde Park, 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
Hyde Park, St. Louis, Missouri, United States
AQI Trends: Highest and Lowest
Same Day Analysis (9th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Hyde Park, St. Louis, Missouri, United States
5 AM9th Aug 2025
8 PM
4 AM10th Aug 2025
47AQI
34AQI
50AQI
39AQI
In the last 24 hours,
Hyde Park's AQI reached its highest point of 50 at 10 PM during the Night, while the lowest point, 34, was recorded at 1 PM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hyde Park, St. Louis, Missouri, United States
29°C22/37°C
28°C24/34°C
26°C22/30°C
26°C23/34°C
27°C23/31°C
29°C23/38°C
27°C23/34°C
27°C24/34°C
28°C23/35°C
31°C25/39°C
26°C23/31°C
28°C23/33°C
30°C25/38°C
30°C24/35°C
30°C25/36°C
30°C25/37°C
30°C25/36°C
31°C26/37°C
32°C27/39°C
30°C25/36°C
26°C23/28°C
24°C18/30°C
22°C17/29°C
23°C16/28°C
24°C19/31°C
25°C21/33°C
27°C20/35°C
28°C22/35°C
30°C24/37°C
29°C23/37°C
--°C/°C
45AQI
45AQI
47AQI
44AQI
2025 Days Vs Air Quality
Hyde Park, St. Louis, Missouri, United States
83%
113
16%
22
0.7%
1
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 222 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
Hyde Park, St. Louis, Missouri, United States
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
35AQI
36AQI
21AQI
17AQI
31AQI
31AQI
32AQI
31AQI
24AQI
19AQI
32AQI
20AQI
29AQI
40AQI
37AQI
50AQI
37AQI
36AQI
24AQI
34AQI
42AQI
49AQI
42AQI
47AQI
26AQI
39AQI
42AQI
52AQI
30AQI
22AQI
25AQI
33AQI
33AQI
34AQI
24AQI
24AQI
22AQI
18AQI
19AQI
37AQI
34AQI
33AQI
30AQI
37AQI
34AQI
43AQI
30AQI
33AQI
54AQI
41AQI
35AQI
31AQI
35AQI
25AQI
18AQI
15AQI
19AQI
35AQI
37AQI
22AQI
32AQI
26AQI
48AQI
30AQI
38AQI
39AQI
44AQI
56AQI
47AQI
41AQI
51AQI
77AQI
51AQI
53AQI
58AQI
71AQI
72AQI
43AQI
32AQI
41AQI
30AQI
36AQI
32AQI
27AQI
39AQI
47AQI
50AQI
57AQI
51AQI
47AQI
45AQI
35AQI
26AQI
23AQI
25AQI
27AQI
42AQI
51AQI
61AQI
83AQI
61AQI
41AQI
50AQI
36AQI
38AQI
41AQI
32AQI
33AQI
31AQI
39AQI
33AQI
43AQI
32AQI
50AQI
53AQI
31AQI
44AQI
55AQI
57AQI
45AQI
46AQI
27AQI
34AQI
48AQI
49AQI
47AQI
107AQI
72AQI
40AQI
37AQI
31AQI
47AQI
50AQI
51AQI
44AQI
32AQI
34AQI
31AQI
45AQI
44AQI
53AQI
No. of days
202539AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
May31AQI
Most & Least Polluted Years Over the Last 1 Years
Hyde Park's annual 2025 AQI (39) shows an average percentage change of NaN% (improved AQI) compared to previous years: .