Guwahati: When the sky blurred again haunting the state capital, the city’s air quality slipped into the “moderate” category, which caused breathing uncomfortable for people with lungs, asthma and heart disease, with reducing the temperature around and lack of rain.
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Track the level of pollution in your citysafter a few months the blue sky and clean air quality index (AQI), PM 2.5 pollutants stand in 144, which is 88 new one week ago, the national air quality index of the Central Polution Control Board stated.
Prominent pollutants are PM2.5 and PM2.5 peak levels, small particles of 2.5 microns in diameter or less than 2.5 microns – which can enter far into the lungs – is 271 on Wednesday (10am) contrary to On average 144 noon.
On October 20, Aqi satisfyed – 88 – with leading pollutants to SO2.
Aqi between 0-50 is considered “good”, 51-100 “satisfying”, 101-200 “moderate”, 201-300 “poor”, 301-400 “very poor”, and 401-500 “severe”.
Above 500 AQI is a “severe-plus emergency” category.
Variations in the AQI value are mainly due to variations at PM 2.5, which is a seasonal weather characteristic.
Officials at the State Pollution Control Board said it was caused by a prolonged drought, local physiographic and meteorological conditions, a broad sandy bank from Brahmaputra, dust produced through hill cutting, road dust, and a dozen dust, increased infrastructure and traffic congestion / traffic activities .
“In Assam, during the dry season (November to April) the concentration of dust (PM10 concentration) in the surrounding air is still higher than the permitted limit but reduced by the monsoon begins (from May to October),” he said.
Guwahati has a mist / fog weather forecast in the morning and especially the bright sky later.
The maximum temperature tends to be around 31 degrees Celsius which is 36 a week ago.
Further air quality can deteriorate in the coming days due to rupture of crackers like every year, night Diwali pushes air around the city to a dangerous level that leads to winter pollution.
Last year, Guwahati air quality index had dipped into the “severe” category by exploding firecrackers in Diwali and the day after, despite the “complete ban” by the authorities.
The average air quality index in Guwahati 454 – the worst last season.