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 14:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
84.1
PM10
μg/m³
13.9
PM2.5
μg/m³
6.7
NO2
μg/m³
10.3
CO
μg/m³
250
SO2
μg/m³
0.8
Pollen
8.5
Weather
℃
℃
℉
19℃
63%
15 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
O3
PM10
PM2.5
NO2
CO
SO2
Places included
Allegany County
AQI 29
Anne Arundel County
AQI 22
Baltimore
AQI 26
Baltimore County
AQI 25
Calvert County
AQI 29
Caroline County
AQI 12
Carroll County
AQI 12
Cecil County
AQI 29
Charles County
AQI 14
Dorchester County
AQI 31
Frederick County
AQI 25
Garrett County
AQI 6
Harford County
AQI 27
Howard County
AQI 18
Kent County
AQI 33
Montgomery County
AQI 27
Prince George's County
AQI 26
Queen Anne's County
AQI 13
Somerset County
AQI 5
St. Mary's County
AQI 19
Talbot County
AQI 30
Washington County
AQI 19
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 12
Arden-on-the-Severn
AQI 18
Herald Harbor
AQI 18
Crofton
AQI 12
Odenton
AQI 12
Severna Park
AQI 18
Pasadena
AQI 18
Fort Meade
AQI 12
Parole
AQI 12
Severn
AQI 18
Bowie
AQI 12
Air Matters © 2026