Toggle navigation
Places
CAQI (Europe)
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
Howard County
District 5
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
District 5
Howard County
2024-06-26 13:00
CAQI (Europe)
Low
Pollutants
O3
μg/m³
105
NO2
μg/m³
61.8
PM2.5
μg/m³
17
CO
μg/m³
250
SO2
μg/m³
0.3
Weather
℃
℃
℉
30℃
61%
6 kph
7 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
O3
NO2
PM2.5
CO
SO2
Places included
Columbia
AQI 44
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
Columbia
AQI 44
Ashton-Sandy Spring
AQI 42
North Laurel
AQI 31
Brookeville
AQI 42
Burtonsville
AQI 44
Savage
AQI 44
Ellicott City
AQI 46
Olney
AQI 42
Cloverly
AQI 42
West Laurel
AQI 44
Elkridge
AQI 44
Air Matters © 2024