Categories: Delhi

Aqi Delhi is likely to be ‘very poor’ for the next 2 days

New Delhi: Delhi’s air quality deteriorates when entering the “very bad” category for the first time this season.
The overall air quality index (AQI) city is 303 on Tuesday compared to 281 in the “poor” category on Monday.
Experts said the contribution of the stump burned to PM2.5 Delhi was less due to the direction of the wind, but the factors of meteorology and local pollution sources affected air quality.
With winter settings, quiet wind conditions, superficial mixing layers and low temperatures have caused the accumulation of pollutants.
The minimum temperature is recorded at 14oC on Tuesday and the low temperature slows the dispersion of pollution.
Before this, the highest AQI this season was recorded in the “poor” category on October 17.
Although it has touched the “very bad” range that day for several hours, the AQI average 24 hours was enhanced on the day after rain.
Track the level of pollution in CityDipipanKar Saha, the former head in the air laboratory control center pollution center pollution, “wind speed has fluctuated between 2 m / sec to 4 m / sec in Delhi.
The lowest wind speed recorded in the city in 2 m / s is categorized as a wind Quiet.
Low local wind speed has caused accumulation of pollutants.
The situation will remain the same for the next few days and pollutants can begin to spread after the festival.
“Air quality system and weather forecasting and research (Safar), forecasting under the Ministry of Union Earth, said, “Aqi Delhi is in the ‘very poor’ category and the possibility of remains so for the next two days.
The impact of burning stumps is expected to be low because the unprofitable wind comes from the southwest and east.
Shares of emissions burning residue plants in PM2 .5 is around 6% (effective fire count of 1,795).
High coating superficial mixing reduces dispersion of policies N.
“Safar added that for 4-6 November (Diwali and the next two days), part of the propeller propeller at PM2.5 is expected to be in the range of 20-38% because the wind direction is likely to change northwest.
Anumite Roychowdhury , Executive Director (Research and Advocacy), Science and Environmental Center, said, “We have reached ‘a very bad day’ this season.
Air quality is expected to deteriorate with winter conditions of hardening and trapping pollution.
We need a clear strategy in Delhi and throughout the region to prevent full smog episodes.

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