Shocked by the sudden Delhi haze, smog and whatnot? This is the reason
Delhi's AQI surged from 117 on Saturday to 261 on Sunday. By Monday’s 4 PM bulletin, the index hit 324—crossing the 300-mark threshold for “very poor” air for the first time this season
We haven't written up this one. Live Mint has the full story — the link below goes straight to it.