Environment

WASHINGTON (AP) — Earth’s protective ozone layer is finally healing from damage caused by aerosol sprays and coolants, a new United Nations report said.

The ozone layer had been thinning since the late 1970s. Scientist raised the alarm and ozone-depleting chemicals were phased out worldwide.

New Delhi, Nov 5 (PTI) Delhi recorded its worst air quality of the season on Monday, with the pollution levels inching towards 'severe plus emergency' category due to a change in wind direction and rampant stubble burning in neighbouring states.

The PM2.5 (particles in the air with a diameter of less than 2.5 micrometres) and PM10 concentrations touched 365 and 503 respectively, touching the 'severe-plus emergency' category, according to Central Pollution Control Board (CPCB) data.

Mathura/Agra Nov 4 (PTI): Environment activists and local authorities are alarmed as dead fish have been found floating in the Yamuna at Mathura, apparently due to the discharge of toxic waste into the river.

Thousands of dead fish have been seen since Thursday, they said.

People who had gone to the ghats for a bath were the first to spot them that day, an activist said.

New Delhi, Nov 4 (PTI) Delhi's air quality continued to improve on Sunday with the pollution level coming down to 'poor' category after oscillating between 'very poor' and 'severe' for nearly three weeks, authorities said.

The overall Air Quality Index (AQI) was recorded at 231 on Sunday which falls in 'poor' category.

On Friday, the AQI was recorded at 370, which came down to 336 on Saturday, according to data of the Central Pollution Control Board.

KANPUR: City reels under intense pollution shock ever since one week. Its air quality index stays at the most unsafe level.

According to the Central Pollution Control Board, the pollution has almost crossed the redpoint. Side by side, the nitrogen dioxide was also registered at 104.87 per cubic metre on November 3.

New Delhi, Nov 1 (PTI) The national capital's air quality was on the brink of turning severe on Thursday due to stubble burning in the adjoining regions and unfavorable meteorological conditions, authorities said.

The overall air quality index of Delhi was recorded at 392, which falls in the 'very poor' category and is just eight points from turning severe.

New Delhi, Oct 27 :  Delhi's air quality remained very poor for the fourth day Saturday with five areas of the national capital recording severe pollution levels, as authorities warned the situation may deteriorate further next week due to localised emissions during festival and stubble burning.

The Central Pollution Control Board recorded the overall  Air Quality Index of Delhi at 341. The highest AQI of this season was recorded on Friday at 361.

New Delhi, Oct 26; PTU: Delhi's air quality remained "very poor" Thursday even as parts of the massive Bhalswa landfill site continued to smoulder.

As the air quality showed no signs of improvement, the South Delhi Municipal Corporation (SDMC) has decided to act against burning of leaves and garbage.

The Central Pollution Control Board (CPCB) recorded the overall Air Quality Index (AQI) of Delhi at 331 in the evening, the worst in the season so far.

KANPUR:  In a sample collected from a survey of as many as 60 cities in the country, the city remained at the most polluted level in the country on Tuesday.

There was found sixfold increase in its normal 2.5 pm level. The air quality index level was also worse, according to the Central Pollution Control Board.

New Delhi, Oct 22 (PTI) Delhi's air quality improved to 'poor' on Monday, even as authorities said it might deteriorate in the coming days with possibilities of 'severe' pollution.

The Central Pollution Control Board (CPCB) recorded the overall Air Quality Index (AQI) of Delhi at 272 in the evening.

An AQI between 0 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'.