Toggle navigation
Places
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
Illinois
St. Clair County
Sugar Loaf Township
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Sugar Loaf Township
St. Clair County
2025-03-18 18:00
AQI (China)
Excellent
47
Pollutants
|
Pollens
PM10
μg/m³
47
PM2.5
μg/m³
6.3
Pollen
7.3
Weather
℃
℃
℉
25℃
41%
13 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
PM10
PM2.5
Places included
Dupo
AQI 47
Data Sources
http://www.airnow.gov/
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
AQI
AQI
PM2.5
PM10
5
12
96
6
8
23
7
15
5
9
6
23
20
25
29
17
43
17
10
7
15
35
10
24
9
39
20
9
15
17
33
8
4
20
19
19
28
96
5
10
6
23
20
38
10
43
17
10
7
15
31
10
24
9
39
20
22
14
33
8
20
19
14
24
96
5
29
24
31
17
8
3
20
21
6
24
8
5
23
20
38
43
7
31
11
24
20
14
33
20
19
19
24
96
6
24
31
17
20
21
6
24
8
17
24
14
24
14
24
3
23
20
43
31
11
20
14
24
96
17
24
24
24
23
31
23
31
8
43
17
24
14
24
19
23
+
−
Leaflet
| ©
OpenStreetMap
contributors
Cities Nearby
Dupo
AQI 47
Cahokia
AQI 108
Columbia
AQI 30
Millstadt
AQI 108
Sauget
AQI 108
Alorton
AQI 108
Lemay
AQI 30
Bella Villa
AQI 30
Oakville
AQI 30
East Saint Louis
AQI 108
Wilbur Park
AQI 30
Air Matters © 2025