Air Quality Index

As per the System of Air Quality and Weather Forecasting And Research (SAFAR), the level of PM2.5 stood at 82 and that of PM 10 at 202, on Friday morning, both under "moderate" category. Delhi's Air Quality Index (AQI) was recorded at 162, which is in the "moderate" category. As per SAFAR methodology, effective fire counts are 894 and its share is 4 per cent in Delhi's PM2.5 as transport level winds are not favourable for intrusion. In presence of local dry weather and westerly wind, local dust emission will lead to high PM10.

According to the India Meteorological Department (IMD), thunderstorms with moderate intensity rain with heavy intensity rain over isolated places would continue to occur over and adjoining areas of the national capital during the next two hours. "Thunderstorm with moderate intensity rain with heavy intensity rain over isolated places would continue to occur over and adjoining areas of entire Delhi, Gurugram, Aurangabad, Palwal, Faridabad, Ballabhgarh, Panipat, Sohana (Haryana) during next two hours (issued at 4 a.m.)," the IMD tweeted.

However, the city's air quality which usually starts deteriorating at this time to year may take a little longer before it starts dipping to the 'very poor' to 'severe' category, according to the Indian Meteorological Department (IMD). "For October 17 and 18, we have prediction of rain," V.K. Soni, Head of Environment and Research Centre at the IMD, told IANS.

Tripura Pradesh Bharatiya Janata Party chief spokesman Subrata Chakraborty on Tuesday said that after the Monday's State Executive meeting, which was held after 10 months due to the Covid pandemic, district and 'Mandal' (state Assembly constituency) level executive meetings would be completed by July 15.

The predominant pollutant will be PM10 as the strong surface winds are favorable for raising dust locally and transport of dust from nearby region, said the the National Weather Forecasting Centre of the IMD. It further warned that the air quality is likely to remain in the "moderate to poor category" for subsequent five days.

According to the National Weather Forecasting Centre of the India Meteorological Department (IMD), the predominant pollutant will be PM10. The strong surface winds are favourable for raising dust locally and for transporting of dust from nearby region. The air quality is likely to drop to the 'poor' category from June 7. On Thursday, the predominant surface wind is likely to come from the southwest/west with a wind speed 10-20 kmph, with the possibility of partly cloudy sky and very light rain/thundershower.

A Tripura cadre 1990 batch IAS officer Alok Kumar (also known as Kumar Alok), who is currently posted as Additional Secretary in the Cabinet Secretariat of the central government, would join his new assignment next week. Officials said that Alok Kumar before going to the central deputation in March last year was the Additional Chief Secretary of the Tripura government.

Prevalence of dry north or northwesterly winds over most parts of northwest India is learnt to be the reason behind the temperature fall, said India Meteorological Department (IMD) in its latest weather summary report.

The PM 10 count is at 435 in the severe category and is only expected to deteriorate in the coming days of the week. It will cross the 500-mark during the day and worsen in the following couple of days, going up to the 522-mark. The PM 2.5 count is also in the very poor category at 247 and will worsen to cross the 300-mark in the coming days.

The share of stubble burning in Delhi's air pollution is estimated to have increased to 32 per cent on Saturday, up from 19 per cent a day before, due to wind direction and drastic increase in farm fires, according to central government's air quality monitoring agency.