New Delhi, Feb. 24 -- Earlier this week, Delhi expanded its air quality monitoring network, but early numbers analysed by HT suggest that data from the six new stations may alter the city's pollution calculations only marginally - at least for now.

Data from the six ambient air quality monitoring stations - inaugurated on February 9 by Delhi chief minister Rekha Gupta - went live on the Delhi Pollution Control Committee (DPCC) website on Monday morning, expanding the Capital's monitoring network to 46 stations, the largest of any Indian city.

The six new stations have been set up at Jawaharlal Nehru University (JNU), Indira Gandhi National Open University (IGNOU), SPMSPC Talkatora Garden, the Commonwealth Games Sports Complex, Delhi Can...