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St. Louis County
Meramec Township
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Meramec Township, St. Louis County
2025-01-12 20:00
AQI (China)
Excellent
20
Pollutants
|
Pollens
PM10
μg/m³
19.9
PM2.5
μg/m³
13.4
SO2
μg/m³
1.4
Pollen
0.1
Weather
℃
℃
℉
7℃
74%
3 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
PM10
PM2.5
SO2
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AQI
AQI
Pollen
O3
PM10
PM2.5
NO2
CO
SO2
27
25
22
22
23
29
24
28
29
29
22
24
27
25
23
25
18
21
29
7
29
27
27
25
23
32
25
18
25
12
23
17
21
28
24
--
26
28
23
24
18
38
24
25
26
25
25
20
75
29
30
27
29
22
23
25
25
19
27
23
25
22
--
29
5
28
31
--
15
29
20
21
29
21
29
28
--
23
23
24
25
29
23
21
24
31
28
28
31
18
23
25
24
27
26
23
19
--
5
47
31
31
22
13
24
19
+
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