Farm Fires Are Rising: How Much Do They Add To Delhi's Pollution?

What happened: Data from the Central Pollution Control Board's Daily AQI bulletin show that the 24-hour average air quality index in many cities across northern India is worse than in much of southern India, as farm fires rise. Why it matters: The bulletin data points to worse 24-hour average air quality in many northern Indian cities compared with much of southern India.

Data from the Central Pollution Control Board's Daily AQI bulletin show that the 24-hour average air quality index in many cities across northern India is worse than in much of southern India, as farm fires rise.

The bulletin data points to worse 24-hour average air quality in many northern Indian cities compared with much of southern India.