Delhi’s air quality has plummeted into the severe category, with AQI levels exceeding 400. Residents express frustration over ...
The air quality index (AQI) crossed an alarming level of 200 in the twin cities of Rawalpindi and Islamabad on Friday. The ...
In a repeat of what occurs every year, Delhi is engulfed by toxic smog as air quality remained in the "severe" category at ...
Among the 258 cities for which AQI numbers were available, over 20 percent grappled with AQI levels of 200 or 'poor' air ...
An AQI is considered 'poor' between ‘200 and 300’, 'very poor' at ‘301 and 400’, 'severe' at ‘401-450,' and 450 and above is ...
A thin layer of smog engulfed parts of the national capital on Sunday and the Air Quality Index AQI continues to be in the ...