Kolkata: Ambient air city deteriorated on Friday when thousands of residents went to celebrate Christmas Eve.
The air quality index at seven automatic air quality monitoring stations turned red (very bad) from Brown (poor).
Air exposure to ‘very poor’ (AQI: 301-400) can trigger a series of health problems – from respiratory disorders of heart attack – said health experts.
Track the level of pollution in your Cityright since morning the air quality continues to deteriorate to a very bad level in four stations – Ballygunge, Bidhannagar (Salt Lake), Jadavpur and Rabindra Bharati (BT Road).
Even at stations like Victoria, Fort William and Rabindra Sarobar, which are located in the green zone, the aqi numbers hover closely very poor.
This is the first time the average city quality of the city has plunged from poor people to very poor.
With thermal inversion while playing, the temperature of the earth’s surface remains lower than the atmospheric temperature in the upper strata, making the dispersal process very low, with vertical wind speeds falling sharply.
Thus the pollutants hang low in the atmosphere at the height of breathing people, explaining a scientist at the WBPCB.
According to environmental lovers, Aqi is a system to warn the public when air pollution is dangerous.
Aqi traces particle pollution and five widespread air pollutants such as SO2, NO2, Ozone (Smog), CO and NH3.
“But many educated people don’t care about Aqi who run a great health risk,” Sudipto Bhattacharya said from the Savior and friends of the environment.
Even if you are healthy, it is not true to assume that you are safe in polluted air, said Senior Pulmonologist Dr.
Arup Halder.
“It’s better to avoid a strongly prolonged activities outdoors.
Pollution health effects worsen during the old exposure period,” said Dr.
Sanjukta Dutta, an emergency drug expert.