Green colour of the air Quality Index lets us know that the air outside is good
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However, the AQI can be used to represent five pollutants that pose a threat to human health. These pollutants are: Ground-level Ozone or O.
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The Air Quality Index and Your Health.
Color Level of Health Concern AQI Values
Green Good 0 to 50
Yellow Moderate 51 to 100
Orange Unhealthy for sensitive groups 101 to 150
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