Civil Services Prepby Garima Malik & Nitin Sangwan

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Environment, Ecology and Climate
Air pollution and noise
Interpreting India’s Air Quality Index

UPSC · Prelims and Mains

Environment, Ecology and Climate

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Environment, Ecology and Climate

Organisms, populations and ecological relationships
Ecosystem structure and functioning
Habitats, ecological boundaries and degradation
Biodiversity loss and conservation
Air pollution and noise
Water pollution, soil contamination and environmental health
Waste management and cleaner production
Climate change, mitigation and adaptation
International environmental cooperation
Environmental assessment and sustainable development
Indian conservation law and biodiversity access
Environmental clearances, forest diversion and remedies

← Air pollution and noise

Interpreting India’s Air Quality Index

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AQI communicates measured air quality as an index
India’s AQI uses eight specified pollutant inputs
The worst available pollutant sub-index determines overall AQI
AQI calculation requires sufficient pollutant data
AQI averaging windows differ between pollutant inputs

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