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Delhi air quality at hazardous levels after Diwali fireworks

Delhi air quality at hazardous levels after Diwali fireworks

According to Swiss company IQAir the air quality in India’s capital New Delhi deteriorated on Tuesday to dangerous levels, with the highest readings in the world. This is partly due to firecrackers used during Diwali, a Hindu festival of light.

The Supreme Court of India relaxed its ban on firecrackers last week, allowing the use of "green crackers" in the city for three hours maximum each on Sunday and Monday, though witnesses reported that crackers were set off outside of the allowed times.

The crackers emit emissions that are 30 to 50 percent lower than those of conventional fireworks.

IQAir read New Delhi at 442, which makes it the most polluted city in the world. The PM2.5 concentration in New Delhi was 59 times higher than the World Health Organisation annual guideline.

PM2.5 is particulate matter that has a diameter of 2.5 microns and less. This can cause deadly diseases or cardiac problems.

The Central Pollution Control Board of India (CPCB), too, rated the air quality in the city as "very poor", with an AQI measurement of 350. CPCB considers AQI between 0-50 to be good.

Delhi's air quality is not expected to improve in the next few days. The earth sciences ministry predicts that the AQI will be between 201-400.

Every winter, the dense smog that blankets India's capital, and its surrounding districts, is caused by cold, heavy air which traps dust from construction, vehicle exhaust and smoke from fires in agriculture. This causes respiratory problems for many of India's 20 million residents.

To combat the problem, in the past authorities have closed some schools, stopped certain building works and restricted private vehicles.

India is not the only nation in South Asia that suffers from toxic air.

The government of Pakistan's Punjab Province, which shares its border with India, has launched an "emergency" plan to combat pollution. This includes actions against farm fires, smoke-emitting cars, and the use of antismog guns in areas polluted.

IQAir data revealed that the air quality in Lahore (the capital of Punjab) was 234 - the second highest reading in the world.

Sajid Bashir is the spokesperson for Punjab Environment Protection Agency. He said that the main issue at the moment is the air pollution coming from Indian Punjab. (Reporting and editing by YPrajesh, Kate Mayberry and Mubasher Bukhari; Additional reporting from Mubasher in Lahore)

(source: Reuters)