Chennai is bracing for another spell of heavy rainfall on Tuesday, October 21, as a moisture-laden weather system continues to hover over the region.
The India Meteorological Department ( IMD) has forecast persistent rain with a 96% chance of precipitation through the day. Temperatures are expected to fluctuate between 25°C and 30.7°C, accompanied by high humidity levels around 80%, ensuring a warm and damp atmosphere across the city.
Morning skies will remain overcast, with light showers intensifying by afternoon. Gentle winds of around 16 km/h and visibility near 9.5 km may pose minor challenges for commuters, especially on waterlogged roads. The city’s air quality, which dipped to an AQI of 131 on Sunday, remains in the “moderate” category but continues to be a concern in dense traffic zones.
Week-Long Wet Spell Ahead
According to forecasts, Chennai’s rain-heavy pattern will persist through the week. Moderate rainfall is expected on Tuesday, followed by heavier showers on October 22. The wettest day is likely to be Thursday, October 23, with around 28 mm of rainfall predicted.
Rain intensity may ease slightly toward the weekend, with October 26 likely to bring clearer skies and occasional sunshine.
Despite the anticipated reprieve later in the week, humidity levels will stay elevated, making breathable fabrics and light clothing essential. Experts suggest that while the rains might offer temporary relief from poor air quality, continued monitoring of AQI and weather conditions remains crucial as the city moves deeper into the monsoon cycle.
Air Quality and Commuter Caution
Data from AQI.in indicates that particulate matter concentrations — PM2.5 at 60 µg/m³ and PM10 at 99 µg/m³ — remain higher than desirable levels, alongside carbon monoxide readings of 529 µg/m³. Although steady rainfall could help clear pollutants from the atmosphere, short-term spikes in air pollution are likely during peak traffic hours.
Residents are advised to limit non-essential outdoor movement and carry waterproof gear when stepping out. Motorists should account for possible delays due to water accumulation in low-lying areas and reduced visibility during heavy downpours.
The India Meteorological Department ( IMD) has forecast persistent rain with a 96% chance of precipitation through the day. Temperatures are expected to fluctuate between 25°C and 30.7°C, accompanied by high humidity levels around 80%, ensuring a warm and damp atmosphere across the city.
Morning skies will remain overcast, with light showers intensifying by afternoon. Gentle winds of around 16 km/h and visibility near 9.5 km may pose minor challenges for commuters, especially on waterlogged roads. The city’s air quality, which dipped to an AQI of 131 on Sunday, remains in the “moderate” category but continues to be a concern in dense traffic zones.
Week-Long Wet Spell Ahead
According to forecasts, Chennai’s rain-heavy pattern will persist through the week. Moderate rainfall is expected on Tuesday, followed by heavier showers on October 22. The wettest day is likely to be Thursday, October 23, with around 28 mm of rainfall predicted.
Rain intensity may ease slightly toward the weekend, with October 26 likely to bring clearer skies and occasional sunshine.
Despite the anticipated reprieve later in the week, humidity levels will stay elevated, making breathable fabrics and light clothing essential. Experts suggest that while the rains might offer temporary relief from poor air quality, continued monitoring of AQI and weather conditions remains crucial as the city moves deeper into the monsoon cycle.
Air Quality and Commuter Caution
Data from AQI.in indicates that particulate matter concentrations — PM2.5 at 60 µg/m³ and PM10 at 99 µg/m³ — remain higher than desirable levels, alongside carbon monoxide readings of 529 µg/m³. Although steady rainfall could help clear pollutants from the atmosphere, short-term spikes in air pollution are likely during peak traffic hours.
Residents are advised to limit non-essential outdoor movement and carry waterproof gear when stepping out. Motorists should account for possible delays due to water accumulation in low-lying areas and reduced visibility during heavy downpours.
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