Permissible level of particulate matter in India is - PM2.5 is 60ug/m3 and PM 10 is 100ug/m3.
- 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