Dehradun
Uttarakhand shifts pollution focus to road dust after Diwali as Dehradun AQI crosses 300
After Diwali firecrackers pushed Dehradun’s AQI above 300, Uttarakhand authorities are targeting road dust, construction particles and open areas. Mechanical dust collection machines are being used to reduce PM-10 and PM-2.5, while officials prepare for tougher winter air-quality conditions.