New Delhi: The overall air quality index of Delhi (AQI) deteriorated marginal from 284 on Saturday to 298 on Sunday in the ‘poor’ category.
The Capital Aqi has touched the ‘very poor’ range during the day but improved after the city received rain.
According to the data on the Central Polution Control Agency, Aqi Delhi was 331 at 12 noon on Sunday, but the AQI averaged 24 hours improved on that day.
The CPCB center control room data shows that the concentration of PM2.5 on average 24 hours for Delhi-NCR is 176.6 micrograms per cubic meter at 6 am, but reduced to 141.1 micrograms per cubic meter at 6pm.
Similarly, an average of 24 hours PM10 in Delhi-NCR, which was 315.6 micrograms per cubic meter at 6 am, recorded at 249.1 micrograms per cubic meter at 6pm.
Standards for PM10 and PM2.5 are 100 and 60 micrograms per cubic meter, respectively.
Experts say when the wind direction changes from northwest east to east, pollution accumulates during the transition phase.
However, after Delhi’s rain and the surrounding area, the air quality improved when the rain washing pollutants.
Following changes in the wind direction, the bloated impact burned low on Sunday.
VK Soni, Head, Environment and Research Center, the Indian Meteorology Department (IMD), said, “Because of the change in the wind, the quiet wind was recorded throughout the night, causing the accumulation of pollutants.
Rain helped clean the air.
Because of the rainy rain on Tuesday, air quality Can enter the ‘moderate’ category, but it is expected to deteriorate again from October 19.
“The IMD data shows Safdarjung, which is a city base station, accepts 3.3mm rainfall to 8:30 in the morning and 16.9mm rainfall between 8:30 am and 5.30 pm .
Lodhi Road and Ridge also recorded moderate rain at 16.4mm and 26.2mm, between 8:30 a.m.
and 17:30.
The air quality system and weather forecasting (Safar), the forecasting agency under the Minister of the Ministry of Earth, said “lower wind speeds and high layers of low mixing inhibit dispersion together with medium intrusion stumps.
However, now the wind direction is mainly from the east side and the rain is expected, AQI will significantly increase and touch the ‘moderate’ category for Monday and then lower the ‘poor’ category for the next two days.
Safar’s effective fire count was observed at 815 but when the wind was unfavorable and the rain was expected, the contribution of stump on Sunday will only be 2%, due to 14% on Saturday.
“While the reading of AQI 50 or under classified as” good “, reading between 51 and 100 is included in the” satisfying “category and between 101 and 200 is classified as” moderate “.
“Poor” air ranges from 201 to 300, “very poor” from 301 to 400 and “severe” from 401 to 500.