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Delhi's July Air Quality: Worst Since 2022 Amidst Heavy Rain
1 Aug
Summary
- Delhi's July air quality was the worst since 2022, with a moderate AQI of 117.
- The city received more rainfall in July this year than in the previous two years.
- Delhi experienced 15 'moderate' and two 'poor' air quality days last month.
The capital city endured its poorest July air quality since 2022, registering an overall Air Quality Index (AQI) of 117, which falls into the 'moderate' category. This occurred despite an increase in rainfall compared to the preceding two years. Delhi's Safdarjung weather station recorded 261.52mm of rain between July 1 and July 31.
Analyzing data from the Central Pollution Control Board (CPCB) and CREA, Delhi's monthly average AQI in July 2025 was 110. In stark contrast, July of last year offered the cleanest air in at least a decade, with an AQI of 79. Last month, Delhi noted 13 'satisfactory' air days, 15 'moderate' days, and two 'poor' days, with one 'good' air day on July 9.
The Indian Meteorological Department (IMD) reported that Delhi received 259.11mm of rainfall in July 2025 and 203.7mm in July 2024, surpassing the long-period average of 209.7mm. July 2023 saw a significant surplus with 384.6mm. Looking ahead, August is expected to begin with rainfall, with forecasts predicting light to moderate rain throughout the week, keeping temperatures below 35°C.
