Air quality in Nagpur fluctuating from moderate to poor since mid-October, says MPCB official

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The air quality index (AQI) in Maharashtra's Nagpur district has fluctuated between 'moderate' to 'poor' due to various factors since mid-October, a senior official from the Maharashtra Pollution Control Board (MPCB) said on Tuesday, according to the PTI.

Nagpur city in Maharashtra on Tuesday recorded an overall average AQI of 188, which falls in the moderate category, he said, as per the PTI.

According to the news agency, Nagpur only exceeds two parameters, PM10 and PM 2.5, out of 12 categories of the National Ambient Air Quality Standards (2009), he said.

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While the limit for PM10 is 100 points and PM 2.5 is 60 points in 24 hours on average, Nagpur has recorded up to 200 points, which is common in winter, the official said.

These two parameters are high due to cumulative effect, and it cannot be attributed to power plants, transportation among other factors, he said.

Considering the worsening air quality in several cities, the Maharashtra health department on Monday issued an advisory asking people to avoid outdoor morning and late evening walks, running, jogging and physical exercise when the AQI turns "poor to severe".

It said sentinel surveillance of acute illnesses have been attributed to air pollution in 17 cities across the state.

The Bombay High Court on Monday set a limit for fireworks between 7 pm and 10 pm for residents of Mumbai during Diwali and directed that vehicles transporting construction material and debris to construction sites must be covered completely with tarpaulin till Friday.

Meanwhile, the Air Quality Index (AQI) of Mumbai on Tuesday was reported to be in the 'moderate' category, as per the SAMEER app; the AQI stood at 178 at 9 am.

According to the data mapped by Central Pollution Control Board (CPCB), out of a total of 22 stations across Mumbai, BKC, Sion, Deonar, Malad, Kherwadi areas reported 'poor' air quality with AQI at 238, 227, 275, 239, 221, 252 respectively, Meanwhile, Worli recorded a 'satisfactory' air quality with AQI at 98.

Meanwhile, the India Meteorological Department stated that the minimum temperature in Mumbai on Tuesday is likely to be 24 degrees Celcius and the maximum temperature is likely to settle at 36 degrees Celcius.

The Air Quality Index (AQI) of Thane was 199 putting its air quality in the 'moderate' category; while Navi Mumbai reported 'poor' quality with AQI at 237.

The data further reveals that the most prominent pollutant in Mumbai is PM 2.5 and PM10. While the most prominent pollutant in Thane is PM10.

(with PTI inputs)