AirNow
Air Qualify Monitors Collect
Ozone and Particle Pollution Data
The Air Quality Index
and You
• •
Excercise away from busy roads
Choose less strenuous activities
Exercise for less time
Be active outdoors when air quality
is better

Carpool, use public transportation,
bike or walk
Don't spill fuel at the gas station
Reduce energy use
Over 3,000 state
and local monitors
transfer data hourly
for over 450 cities
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Get the AQI
Go to AirNow.gov to get:
•	Your local AQI
•	The AirNow app
•	The AirNow widget
•	EnviroFlash emails
Or check your local weathercast
AirNow Converts Data to
the Air Quality Index (AQI)
Air Quality Index I Levels of Health Concern I Colors
(AQI) Values |J	1
Unhealthy for Sensitive Groups Orange
Who Should Use
the AQI?
Everyone's heart and lungs can
be harmed by unhealthy air.
Those most at risk are:
•	People with heart or
lung disease
•	People active outdoors
•	Older adults
•	Children
•	Outdoor workers

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