Delhi Air Quality Marginally Improves but Remains in 'Very Poor' Category

Delhi's air quality showed a slight improvement on January 21, 2026, with the Air Quality Index (AQI) dropping from severe levels above 400 to around 330-341, remaining in the 'very poor' category. Despite the marginal improvement, pollution persists across most city areas, posing health risks, especially to vulnerable groups. The Commission for Air Quality Management (CAQM) revoked Stage IV restrictions but maintained Stages I-III curbs. Weather conditions, including low temperatures and fog, continue to limit dispersion, with forecasts indicating 'very poor' to 'poor' air quality through the week.