What airborne environmental crisis severely impacts public health across Lahore and central Punjab during the winter months (November to January)?
Answer and explanation
Correct answer: B. Dense hazardous winter smog formed by agricultural burning, emissions, and thermal inversion
- Step 1: In early winter, low wind speeds and thermal inversion trap pollutants near the surface. Step 2. Combined with crop burning and vehicular emissions, this forms dense hazardous smog with elevated PM2.5 levels. Answer: Dense hazardous winter smog formed by agricultural burning, emissions, and thermal inversion. Why not the others: There are no active volcanoes or offshore chlorine fog in Punjab.
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