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Monday, December 16, 2019

Weather Forecast Today HIGHLIGHTS: Orange alert issued in parts of Tamil Nadu, Puducherry for next two days

Weather Forecast today: At present, Delhi's air is at 108 on the Air Quality Index (AQI), which falls in the 'moderate' category.

By: Express Web Desk | Chennai, New Delhi | Updated: December 1, 2019 10:49:07 am
Weather Forecast Report Today Live Updates: Delhi NCR, Noida, Bangalore, Tamil Nadu, Mumbai Rains Latest News, Weather IMD Report Today Weather Forecast today: Weather experts said slow wind speed would lead to a dip in the air quality in New Delhi on Saturday. (Express File Photo: Abhinav Saha)

Weather Forecast today HIGHLIGHTS: A day after the air quality in the Delhi-NCR region improved to ‘satisfactory’ levels for the first time in two months, it is likely to deteriorate to ‘poor’ on Saturday due to a change in wind direction and drop in wind speed, System of Air Quality and Weather Forecasting and Research (SAFAR) predicted. At present, Delhi’s air is at 108 on the Air Quality Index (AQI), which falls in the ‘moderate’ category.

According to SAFAR, the rains and favourable wind speed over the last three days brought the air quality down to an AQI of 84 at 4 pm on Friday, the best reading since October 5, when it was 98. Weather experts said slow wind speed (6-8 kilometre per hour) would lead to a dip in the air quality on Saturday but no drastic deterioration is expected. The wind direction is northwesterly but the share of farm fires in Delhi’s pollution would have only been around six per cent on Friday as stubble burning has almost come to an end, they said.

Meanwhile, active easterly wave conditions over the south peninsula are likely to bring widespread rainfall in Tamilnadu, Puducherry and Karaikal during the next 48 hours, India Meteorological Department (IMD) said in a bulletin on Saturday. Heavy rainfall is expected at isolated places over Kerala, South Interior Karnataka, Coastal Andhra Pradesh and Lakshadweep during till Monday.

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Highlights

    14:18 (IST)30 Nov 2019
    Orange alert issued in parts of Tamil Nadu, Puducherry for next two days

    Regional Meteorological Department in Chennai has issued an Orange alert for parts of Tamil Nadu, Puducherry for next 2 days following prospects of increased rainfall in several districts.

    14:18 (IST)30 Nov 2019
    AQI recorded at 114 (moderate) near Delhi airport

    Air quality index (AQI) is 114 (moderate) near Delhi airport and 125 (moderate) near India Gate.

    10:50 (IST)30 Nov 2019
    CPCB records PM2.5 and PM10 at 45.2 and 84.6

    According to CPCB, the average concentration of PM2.5 and PM10 — fine particles suspended in the air — in Delhi-NCR was 45.2 and 84.6 respectively between noon Thursday and 8 pm Friday, which is below the 24-hour acceptable standards of 60 and 100 micrograms per cubic metre air.

    10:49 (IST)30 Nov 2019
    Fall in concentration of particulate matter in Delhi

    Apart from rising AQI in Delhi, the Delhi Pollution Control Committee’s air monitoring stations also recorded a fall in real-time concentration of particulate matter on Friday. The lowest reading of PM2.5 at Mandir Marg monitoring station was 19 at 7 pm, and at Anand Vihar it was 22 at 3 am.

    10:45 (IST)30 Nov 2019
    Foliday declared in Tamil Nadu districts

    Incessant downpour has prompted the schools in seven districts of Tamil Nadu to declare a holiday today. The districts include Chennai, Sivagangai, Pudukottai, Chengalpattu, Thiruvarur, Kancheepuram and Nagapattinam.

    10:36 (IST)30 Nov 2019
    Welcome to weather live blog

    Good morning. Welcome to Indian Express live blog! Stay tuned for latest updates on weather and Delhi pollution.

    Most of the 37 air quality monitoring stations in Delhi recorded the AQI at "satisfactory" levels on Friday. Alipur recorded the best at 56. Neighbouring Ghaziabad (84), Faridabad (70), Gurgaon (84), Noida (83) and Greater Noida (90) also breathed cleaner air. An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category.

    Meanwhile, fog caused poor visibility and affected vehicular traffic across Rajasthan on Friday.  A blanket of fog wrapped the cities Jodhpur, Ajmer, Churu, Bikaner, Chittorgarh, Jaisalmer, Sri Ganganagar, Phalodi and Sikar causing vehicular congestion an IMD official said. The department has also forecast dense fog at a few places during the next 24 hours.