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Delhi Air Quality Plunges: 'Very Poor' and Rising
4 Nov
Summary
- Delhi's air quality reached its worst level since January 20, hitting 'very poor'.
- A new dashboard offers hourly pollution data alongside weather and farm fire counts.
- Rainfall significantly improved air quality previously, dropping the index by 162 points.
As of November 4, 2026, Delhi's official air quality index stood at 350, placing it in the 'very poor' category and marking the city's most polluted period since January 20. On Tuesday, eleven out of fifty-seven reporting stations indicated 'severe' air quality. This situation is exacerbated by farm fires in neighboring states, although satellite counts of these fires may be an undercount.
To combat confusing, varied app readings, a new dashboard has been launched, consolidating data from the Central Pollution Control Board (CPCB), India Meteorological Department (IMD), and NASA. This platform offers hourly updates on official air quality figures, wind conditions, farm fire counts, and mixing height, providing a comprehensive view for residents of Delhi and the National Capital Region.
Historical data reveals the dramatic effect of weather on pollution levels. For instance, on October 29, Delhi's air quality was 'poor' at 222. Following 60.5mm of rain overnight, the index dropped by 162 points to 60 ('satisfactory') the next day, the sixth-largest one-day fall for October or November since 2015.
The dashboard also allows users to compare current data with seasonal figures dating back to 2015-16, offering context to the ongoing pollution challenges. It covers Delhi, Noida, Ghaziabad, Gurugram, Faridabad, and Greater Noida, accessible via the HT app and website.
