It’s not Delhi alone struggling with air pollution. Based on data published on the World Air Quality Index website, Faridabad, Lucknow, Muzaffarpur, Agra, Pune and Rohtak too fall in the hazardous range.
All these cities have an air quality index of greater than 300. The Air Quality Index is calculated based on PM2.5, PM10, Ozone, NO2, SO2 and CO levels as hourly measurements. This is a continuous monitoring system and values will vary on an hourly basis and in India they collect data from 62 centers. The surprising fact is that out of this 62 centers, Haldia in West Bengal and Saneguruvanahalli in Bangalore alone has good air quality index. Remaining all cities fall within moderate to very unhealthy range.
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