Air pollution

https://www.wikidata.org/wiki/Q131123

Field Hierarchy

Parent
Biology 36.7M papers	Chemistry 29.4M papers	Organic chemistry 13.1M papers	Ecology 8.3M papers
Current
Air pollution 107k papers
Child
Air pollutants 20.4k papers	Atmospheric dispersion modeling 8,584 papers	Emission inventory 6,540 papers	Aerodynamic diameter 4,257 papers
Clean Air Act 4,041 papers	CMAQ 2,512 papers	Criteria air contaminants 2,385 papers	Particulate pollution 1,851 papers
Air Pollution Index 1,199 papers		National Ambient Air Quality Standards 1,167 papers

Trends

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History