Mumbai may not yet be Delhi but it doesn't mean that the air we breathe in the city is healthy. Though Delhi stands out among the most polluted cities during winters with its smog and alarming levels of AQI, the toxicity of Mumbai air is considered to be higher, according to this report from The Times of India. This is because of the increasing concentration of PM2.5 from automobiles, industries, construction activities and garbage burning, all of which affect air quality. Read more: Mumbai’s air pollution: Smog chal raha hai Mumbai's proximity to the sea is no longer a guarantee…

In the larger narrative on climate change and urbanisation, the plight of India’s small and mid-sized cities has mostly slipped through the cracks. Not that the global and national media is oblivious to the stellar rankings, which highlight that 15 of top 20 most polluted cities are in India. However, the specific contexts in which this toxic air has been brewing are not well looked into and understood. While the metropolises hog the spotlight, these smaller cities housing millions are silently choking under a haze of neglect.  Our recent report “Declining Air Quality in Small and Mid-sized Cities” highlights the…