Air Quality Index and spoiled air over Delhi
						
						
							
								
									
										-  Posted By 
											 10Pointer 
										 
										-  Categories 
											 Environment 
										 
										-  Published 
											 5th Nov, 2020 
										 
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- Permissible level of particulate matter in India is - PM2.5 is 60ug/m3 and PM 10 is 100ug/m3.
 
Factors for air spoiler in Delhi
- Strong subsidence over city
 
- Low wind speed
 
- Accumulation of smoke from stubble fires
 
- Low temperature
 
- Fluctuation in wind direction