Here at the junction, both smogs just make my eyes burn and lungs ache, saiba. But the books say classical smog is from burning coal, all grey and sulphur, while the photochemical one comes from cars right here—sunlight cooks the petrol fumes. The reactions? Oxygen and nitrogen oxides from these exhausts dancing in the heat. This I know because on days the sun is harsh, my khup chhan uniform sticks to me and the air tastes like chemicals, while the older constables tell me of a different, sootier smog from their childhood.
#ipl#dc
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