Government guidance on Tuesday, indicating a level of pollution that affects healthy people and seriously impacts those with existing diseases. All due to the air quality index crossed 400.

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As the temperature dropped and wind speed trapped the pollutants in the atmosphere, the air quality in the capital plunged to severe. This is the 12th prompting health warnings from the government in 2 months.

A small particulate matter of 2.5 microns or less in diameter (PM2.5) measured in the index can penetrate the lungs and enter the blood system. There is a risk of developing cardiovascular and respiratory disease, as well as lung cancer due to chronic exposure to the particles, said the World Health Organization.

Avoid outdoor physical activities said health minister to those vulnerable to health risks as the air quality index is between poor to severe.

Due to the cooler temperature air quality level have moved to severe during the last two weeks. Even schools were closed in November as the index climbed past 500.

Shower can bring down pollution levels. It’s forecasted to rain in two days by government-run monitor SAFAR.

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