DTU, Delhi
Active· CPCB· CAAQMS (reference grade)
In 2025, PM2.5 here averaged 79 µg/m³, 2.0 times India's annual limit of 40, measured on 301 of 365 days.
Readings from 1 January 2009.
Detail follows the zoom: monthly means for long spans, daily under 3 years, hourly under 3 months. Gaps are hours or days with no measurement. Source: CPCB via the XKDR India Air Quality Database (CC BY 4.0) and OpenAQ.