Air quality in Delhi will remain “moderate” this week. In the weekly air forecast of Air Quality Index (AQI), US Embassy, the values of prominent pollutants have been marked relatively “low”. System of Air Quality and Weather Forecasting And Research (SAFAR) also measured less concentration of pollutants in city air.
City’s most polluted area in context of air quality Anand Vihar has recorded 256 µgm3 concentration of PM 10 whereas it had recorded at 1,150 µgm3 earlier. At IGI Airport, the pollutant values were measured at very low which was good sign for the flight operations.
Remarkably, as per the flight tracking website, pollution statistics of IGI Airport was low as compare to other Asian airports. More on this, flight operation status due to smog is low in Bejing while for Delhi airports, it was observed moderate.
According to environment scientists, wind speed are playing pivotal role to bring down the values of Suspended Particulate Matters (SPM). As per the IMD meteorological sensors, wind speed with 10 km/hour has been recorded while humidity level was recorded at 61 per cent.
In the weekly forecast of US Embassy, the values of both the pollutants (PM 10, 2.5) are fluctuated between 88 and 137 µgm- while other pollutants (Ozone, Nitrate of Oxides) values will also remain low.
Chilly morning, moderate fog
Delhiites on Sunday woke up to a chilly morning with shallow to moderate fog being witnessed in some parts of the city which delayed the movement of 26 trains. The visibility was recorded at 600 meters at 5.30 am both at Safdarjung and Palam. At 8.30 am, visibility was recorded at 500 meters at Safardarjung and 300 meters at Palam, a Met Department official said.
According to a railway official, 26 trains were running behind their respective schedules while 9 nine trains have been rescheduled due to poor visibility caused by the fog layer. “The minimum temperature was recorded at 7.2 degrees Celsius, three notches below normal,” the official said. Relative humidity was recorded at 87 per cent at 8.30 am. The weatherman said that skies will remain clear throughout the day. “There will be mainly clear sky and maximum temperature is expected to settle around 22 degrees Celsius,” the official said. On Sunday, the minimum and maximum temperatures were recorded at 8.2 degrees Celsius and 21.6 degrees Celsius respectively.