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The concentrations of PM 2.5 and PM 10 stood at 116 in the 'poor' and 221 in the 'moderate' category respectively

The India Meteorological Department (IMD) on Tuesday forecast the possibility of light rain or drizzle in the national capital with a generally cloudy sky throughout the day, while the air quality marginally improved to the very poor category.

The air quality in the national capital on Sunday morning slipped to the severe category, according to the System of Air Quality and Weather Forecasting And Research (SAFAR).

Light to moderate intensity rain has been predicted over Delhi-NCR during the next two hours, informed the India Meteorological Department (IMD).

An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.

Production at a number of factories in Xian, capital city of Northwest Chinas Shaanxi Province known for Terracotta Warriors— which also houses industrial parks for carmakers including BYD and Geely as well as manufacturers of aircraft and aero-engines such as Xian Aircraft Industry Group Company —hasbeen partly suspended amid a COVID-19 epidemic flare-up that prompted local authorities to issue lockdown orders for at the citys more than 10 million residents, the Global Times learned.

Delhi-NCR woke up to a mainly clear sky on Friday morning with the minimum and maximum temperatures till 9.30 a.m being recorded at 7 and 24 degrees Celsius, respectively, the India Meteorological Department (IMD) said.

An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'.

The air quality in the national capital slipped back into the Very Poor category with the overall Air Quality Index recorded at 369 on Tuesday morning, as per the Central Pollution Control Board (CPCB)

Punjab’s biomass plants are facing operational challenges and stiff competition from solar and wind energy.