Chennai Records Warm Temperatures Light Rain Moderate Air Quality October
Chennai recorded a blend of warm temperatures and intermittent rainfall on October 3, 2025, with mercury levels ranging from 25.9°C in the early morning to a peak of 35.3°C during the day. The city’s Air Quality Index (AQI) registered at 73, indicating moderate pollution levels, while a gentle breeze of 23 km/h provided partial relief from the heat. Humidity remained around 63%, creating a warm and muggy atmosphere for residents.
Meteorological experts noted that light rain showers throughout the day, combined with steady winds, contributed to dispersing airborne pollutants, improving air quality slightly from the previous day’s AQI of 90. Measurements of PM2.5 stood at 26 µg/m³, PM10 at 71 µg/m³, and carbon monoxide at 479 µg/m³, levels that are generally safe for healthy individuals but may affect sensitive groups such as children and those with respiratory conditions.Officials forecast moderate rainfall to continue on October 4, with temperatures expected between 27.2°C and 34.1°C. The weather pattern will intensify slightly on October 5, accompanied by heavier showers and a minor dip in daytime temperatures. By October 6, patchy rain is likely, maintaining high humidity, while October 7 and 8 will see a mixture of sun and scattered showers, keeping daily highs near 33°C.
City authorities advised residents to plan outdoor activities around predicted rain periods. Early mornings and late evenings are expected to offer the most comfortable conditions for outdoor exercise and commuting, benefiting from cooler temperatures and lighter wind. Given moderate pollution levels, officials also recommend wearing protective masks in densely populated or high-traffic areas.In addition to personal precautions such as carrying umbrellas, sunglasses, and sunscreen, authorities highlighted the role of sustained rainfall and wind patterns in improving Chennai’s overall air quality. The combination of these meteorological factors continues to influence both pollutant dispersal and local temperature variations, shaping daily activity plans for citizens.Data for this report has been verified with AQI monitoring sources, ensuring accurate reflection of Chennai’s current environmental and weather conditions. Residents are encouraged to monitor updates for any sudden changes in rainfall intensity or pollutant levels.