50.6 μg/m3 in 2024 to 48.9 μg/m3. While Delhi's annual average concentration fell by 8%, the city still grappled with severe monthly spikes driven by seasonal smog and dust storms. a ins o siasal iid siea pn da us ws snp as e ias that month.54 Winter conditions-fueled by a combination of crop burning, temperature inversions, industrial emissions, and construction-continued to plague the Indo-Gangetic Plain. This was most evident in December, when PM2.5 averages spiked by 44% in Delhi and by an average of 62% in neighboring cities across Uttar Pradesh. Among these, the city of Loni in the Ghaziabad district emerged as India's most polluted city in 2025; its annual ss uoniod jo senos jueuwop se buinuuoo jsnp uoonsuoo pue buung enpisai doi Despite the National Clean Air Programme's goal to reduce pollution by 40% by 2025-2026, 64% of funding has been dedicated to road dust reduction56; only 15% of funding has been used to reduce biomass burning, 13% for vehicle emissions, and only 1% to counter industrial pollution. Only PM10 concentrations have been targeted, rather than the more harmful PM2.5. Weak enforcement of vehicular and industrial emission norms, combined with relaxed sulfur rules for coal plants,likely impacted air quality.57,58 In November 2025, New Delhi's air quality crisis sparked rare public protests as the city's PM2.5 levels surged into the hazardous range and the daily average concentration peaked near 460 μg/m3.59 Hundreds of protesters gathered at India Gate, wearing masks and holding signs like “l miss breathing," demanded urgent government action.60 Fueled by seasonal crop burning, vehicular emissions, and stagnant winter air, the poor air quality breathing. Authorities responded by closing schools, encouraging online work and classes, banning construction, and restricting diesel generators, but did not immediately respond to Annual hours spent at different PM2.5 pollution levels