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
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Maryland
United States
2026-05-09 16:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
92.2
PM10
μg/m³
14.3
PM2.5
μg/m³
8.8
NO2
μg/m³
8.1
CO
μg/m³
187.5
SO2
μg/m³
0.6
Pollen
8.1
Weather
℃
℃
℉
20℃
61%
17 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
O3
PM10
PM2.5
NO2
CO
SO2
Places included
Allegany County
AQI 27
Anne Arundel County
AQI 26
Baltimore
AQI 29
Baltimore County
AQI 28
Calvert County
AQI 32
Caroline County
AQI 13
Carroll County
AQI 20
Cecil County
AQI 28
Charles County
AQI 16
Dorchester County
AQI 32
Frederick County
AQI 29
Garrett County
AQI 5
Harford County
AQI 27
Howard County
AQI 36
Kent County
AQI 36
Montgomery County
AQI 30
Prince George's County
AQI 30
Queen Anne's County
AQI 18
Somerset County
AQI 5
St. Mary's County
AQI 19
Talbot County
AQI 30
Washington County
AQI 29
Wicomico County
AQI 8
Worcester County
AQI 5
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
Cities Nearby
Millersville
AQI 36
Arden-on-the-Severn
AQI 36
Herald Harbor
AQI 36
Crofton
AQI 19
Odenton
AQI 36
Severna Park
AQI 36
Pasadena
AQI 36
Fort Meade
AQI 36
Parole
AQI 19
Severn
AQI 36
Bowie
AQI 19
Air Matters © 2026