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Delhi Air Quality Hits 5-Year September Low!
30 Sep
Summary
- September 2026 saw Delhi's lowest monthly average AQI in five years.
- Delhi experienced the most days below 200 AQI from January to September 2026.
- The year 2026 recorded the fewest 'Poor to Severe' air quality days recently.
Delhi recorded its lowest monthly average Air Quality Index (AQI) for September in five years, with an overall improvement continuing in 2026. The city registered an AQI of 102 in September 2026, a notable decrease compared to previous years.
The period from January to September 2026 saw the most days with an AQI below 200, categorized as 'Moderate'. Concurrently, this period also recorded the lowest number of days with 'Poor to Severe' air quality in the last five years.
Average PM2.5 concentrations from January 1 to September 28, 2026, were also among the lowest since 2022. The Ministry of Environment, Forest and Climate Change stated that intensified efforts are underway to further enhance air quality in Delhi-NCR, particularly ahead of the winter season when air quality typically deteriorates.
