Kolkata's weather today: Sunny skies and air quality update for October 21, 2025
Times of India | 21 October 2025
Kolkata is experiencing sunny skies and pleasant weather on October 21, 2025, with temperatures expected to reach 33°C, despite yesterday's poor air quality index of 156. The city's weather conditions show a mix of comfortable temperatures ranging from 23.3°C to 33°C, accompanied by 62% humidity and light winds at 14 km/h, while air pollution remains a concern with elevated PM2.5 and PM10 levels.
Today's Weather Details
The morning temperature starts at a comfortable 23.3°C, providing ideal conditions for outdoor activities. The afternoon will see temperatures peak at 33°C with minimal cloud cover throughout the day.
Light winds at 14 km/h and humidity levels at 62% are making the weather feel more pleasant than usual. No rainfall is expected today, indicating clear conditions for outdoor activities.
Air Quality Concerns
Yesterday's air quality data showed concerning levels of pollutants, with PM2.5 at 86 µg/m³ and PM10 at 114 µg/m³. Carbon monoxide levels were recorded at 390 µg/m³, contributing to the poor air quality classification.
The current air quality situation particularly affects sensitive groups, including individuals with respiratory or cardiac conditions. The sunny weather may help reduce pollutant concentrations, but limited wind activity might restrict significant improvements.
Activity Recommendations
Morning hours are optimal for outdoor activities such as walking or yoga. Afternoon activities between 11 AM and 3 PM require sun protection, while evening conditions are suitable for outdoor recreation.
Upcoming Weather Outlook
The weather forecast for the coming days indicates consistent patterns. Wednesday and Thursday will maintain similar temperature ranges between 23°C and 33°C with sunny conditions.
Friday will see a slight temperature increase, reaching a high of 33.1°C. Weekend temperatures will remain steady at 33°C, with possible patchy rain expected on Sunday afternoon.
The weekly outlook suggests predominantly dry and warm conditions, particularly favorable for morning and evening outdoor activities.
Air Quality Trends
Air quality trends show improvement compared to last week's higher pollution levels. The previous Friday recorded an AQI of 188, indicating a gradual enhancement in air quality conditions.
The combination of pleasant temperatures and concerning air quality levels presents a mixed scenario for Kolkata residents. While the weather remains conducive for outdoor activities, air quality considerations should factor into daily planning.