Air Quality Bulletin for Delhi NCR
Date 18.02.2019 Time of Issue : 13:45 IST
As per EWS models, the air quality is likely to remain Poor category on 18.02.2019. The Air Quality is likely to improve marginally on 19.02.2019 under the influence of
very light rain/thundershowers towards evening/night
and may remain in moderate category. Air Quality is likely to improve further on 20.02.2019 but to remain in moderate category.
Predominant wind is coming is coming from South Direction of Delhi having wind speed upto 14 kmph on 18.02.2019,
partly cloudy sky with
possibility of very light rain/thundershowers towards evening/night.
The predominant wind is likely to coming from East Direction of Delhi having wind speed of upto 15 kmph on 19.02.2019
shallow fog in the morning
generally cloudy sky
with very light rain/thundershowers.
The predominant wind is likely to be coming from Southeast Direction of Delhi having wind speed upto 14 kmph on 20.02.2019,
generally cloudy sky with
Predicted maximum mixing depth is likely to be 1400 m (approx.) on 18.02.2019 and 450 m on 19.02.2019 & 800 m on 20.02.2019 over Delhi. The maximum ventilation index is likely to be 6500 m
/s on 18.02.2019, 4500 m
/s on 19.02.2019 and 3000 m
/s on 20.02.2019. The ventilation index lower than 6000 m2/s with average wind speed less than 10 kmph is unfavorable for dispersion of pollutants.
Long range transport of dust is not expected over Delhi and NW India.
Location specific AQ forecast can be seen at