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
Maryland
Leonardtown
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Leonardtown
3, Leonardtown, St. Mary's County
2025-03-17 17:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
63.9
PM10
μg/m³
15.3
PM2.5
μg/m³
9.8
Pollen
6.8
Weather
℃
℃
℉
14℃
53%
32 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
O3
PM10
PM2.5
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
Cities Nearby
Leonardtown
AQI 20
Hollywood
AQI 20
California
AQI 20
Great Mills
AQI 20
Lexington Park
AQI 20
Solomons
AQI 20
Lusby
AQI 20
Mechanicsville
AQI 20
Chesapeake Ranch Estates-Drum Point
AQI 20
Golden Beach
AQI 20
Calvert Beach-Long Beach
AQI 20
Air Matters © 2025