When air quality is "Hazardous"

Hazardous AQI
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Grasping the Severity of Hazardous AQI

An Air Quality Index (AQI) exceeding 300 is termed "Hazardous." At this extreme, there's a health warning of emergency conditions. The entire population is likely to be severely affected.

 

HEALTH RECOMMENDATIONS
How to protect from Hazardous pollution
Mask icon
Wear a mask outdoors and indoors
GET A MASK
Air purifier icon
Run an air purifier
GET AN AIR PURIFIER
Monitor icon
Close your windows to avoid dirty outdoor air
GET A MONITOR
Exercise icon
Avoid outdoor exercise



Protective Measures for Hazardous Air Quality

When air quality is hazardous, everyone is at high risk of experiencing strong irritation and negative health effects that could trigger respiratory and cardiovascular illnesses.

Avoid exercise and remain indoors. Avoid outdoor exercise. It is advisable to wear a pollution mask outdoors and indoors as well. Air purifiers should be turned on. Heed every local health advisory, and ensure homes are sealed effectively against the polluted air.

Join the movement!

Get a monitor and contribute to air quality data in your city

BECOME A CONTRIBUTOR

 

How can I protect myself when air quality is hazardous?

 

How to best protect from air pollution?

Reduce your air pollution exposure

Mask

Face Mask

HPP

Air Purifier

AV series

Air quality monitors

About IQAir
ABOUT IQAIRIQAir is a Swiss technology company that empowers individuals, organizations and governments to improve air quality through information and collaboration.
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