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IQAir News

Featured Article

Crop burning smoke: A global health threat

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Crop burning is a common, worldwide practice – and the smoke from agricultural fires can have a terrible impact on our health. Read to better understand why.
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smog coming out of factory exhaust pipes

How does the Live Major Cities Ranking work?

The Major Cities Ranking is meant to provide a worldwide context about air quality. Learn more. Read More >
IQAir Air Quality Map

How wind and weather affect air pollution

Wind and weather can play a crucial role in influencing a region’s air quality. Learn more. Read More >
Factory exhaust

Carbon monoxide

Carbon monoxide is an odorless, colorless gas produced by the incomplete combustion of fossil fuels (wood, oil, gas, or coal). Read More >
Hazy skies over city landscape

PM2.5

Particulate Matter (PM) are particles measuring 2.5 microns or less. Learn more. Read More >
Man in city coughing with face mask

What pollutants should I watch out for?

A list of the different air pollutants and their sources. Read More >
Co2 sensor in home

Indoor carbon dioxide

Learn about indoor CO2, including when indoor CO2 is too high and how to monitor it. Read More >
vehicle emissions

PM1 particulate matter

Learn more about PM1 – dangerous airborne particles less than 1 micron in size. Read More >
AirVisual platform phone and AVP

Air quality reports explained

Different methods for calculating and reporting air quality data are used by public and private entities. Read More >
Factory exhaust

The real cost of air pollution

See how IQAir air quality data can quantify how much air pollution costs our health and our economies. Read More >
3D render of an ultrafine particle

Ultrafine particles

Learn more about ultrafine particles (UFPs), which can be as small as 0.003 microns. Read More >
person using AirVisual App with air pollution in background

What is the air quality index (AQI)?

Learn what the air quality index (AQI) is and how it describes the safety of our air. Read More >
World Heat Map_1

Steps to ensure the quality of data

Any values determined to be erroneous through this data analysis process were discounted. Learn more. Read More >

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