The capital region Delhi experienced quite windy and rainy days in past few days. The humid winds were coming from Bay of Bengal and were responsible for an increase in the pollution levels.
Haze in the atmosphere is seen when the temperatures drop and the air near surface of the earth gets condensed. Thereby, increased levels in humidity leads to haziness. The pollutants in the form of smoke particles, dust particles and various other molecules get stuck over these condensed water vapors. In the absence of strong winds, these pollutants keep moving in the atmosphere near the earth's surface causing pollution to increase.
As of now, the winds have redirected their movement from southeasterly to dry northwesterly winds. And, there has been quite a significant drop in the levels of humidity as well. The sky has become clear with bright and might sunshine. We can expect similar weather conditions for the coming few days with less pollution and almost no humidity.
We all know about stubble burning, i.e. the burning of leftover crop residue which takes place every year in the month of October in Punjab and Haryana. This leads to high levels of pollution in our city and NCR.
These two states are placed in the northwest direction of our capital and the winds blowing from there carry smoke particles of the residual, leading to an increase in the levels of pollution.Till then, Delhiites can breathe clean air with blooming sunshine. Choking however, will have to wait for a little longer.
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