Delhi woke up to moderate fog and "very poor" air again, with visibility dropping to just 350 meters in some areas.
Pollution was especially bad at several monitoring stations, and even the temperature was higher than usual for this time of year.
PM2.5 spikes from Punjab Haryana fires
The main culprit is PM2.5, tiny particles that hit crazy high levels.
NASA also spotted 4,165 farm fires in Punjab and Haryana from October 1 to November 13 recently, adding to the mess.
Plus, with no rainfall to clear things out, Delhi's air just isn't getting a break.