You always can tell you're about to land in Delhi because you can smell the air before you touch down.
That said, I don't think this alone is an explanation, since COVID is currently also tearing through Indian cities like Bangalore where air quality is better. (Not good, mind you, but nowhere near as bad.)
That said, I don't think this alone is an explanation, since COVID is currently also tearing through Indian cities like Bangalore where air quality is better. (Not good, mind you, but nowhere near as bad.)