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Delhi woke up to yet another morning of deteriorating air quality, with a thick blanket of smog enveloping the city. The Air Quality Index (AQI) in the national capital stood at 307, which is classified as “very poor”. A day earlier, on Thursday evening, the AQI was recorded at 311, compared to a relatively better 202 in the morning, indicating a sharp deterioration in air quality over the day. The air quality shot up by over 100 points on Thursday, worsening sharply due to smoke, stagnant weather conditions, and firecrackers burst in parts of the city on Gurpurab. Stubble burning in neighbouring states accounted for around 9.48% of Delhi’s PM2.5 levels on Thursday — the highest contribution this winter so far. Forecasts suggest that the share could rise sharply to nearly 38% by Friday, as northwesterly winds carry smoke from crop residue fires into the capital, according to data from the Centre’s Decision Support System. This time of the year marks one of the worst phases of Delhi’s annual winter pollution crisis. As local winds slow down and temperatures dip, smoke from stubble burning mixes with urban emissions, turning the city’s air toxic and triggering a full-blown public health emergency. Check Area-Wise AQI On Friday (November 7, 2025) Jahangirpuri- 321 JLN Stadium- 306 Lodhi Garden- Mundka- 336 Nehru Nagar 330 Okhla Phase 2- 301 Najafgarh- 276 Rohini- 334 Sonia Vihar- 318 Vivek Vihar- 319 Alipur- 309 Anand Vihar- 318 Bawana- 365 Dwarka Sector 8- 317 Narela- 331 Parparganj- 303 RK Puram- 326 Shadipur- 252 Alipur- 309 Burari Crossing- 340 IGI Airport- 274 Wazirpur- 334