The concentration of fine, lung-damaging particulate matters PM2.5 and PM10 increased by 45 percent and 33 percent respectively on Diwali compared to last year, according to an analysis by the Delhi Pollution Control Committee (DPCC), reported news agency PTI.

The pollution control body also said nearly all air quality monitoring stations in the national capital recorded an increase in pollution levels on Diwali day compared to the previous year, reported PTI.