Air Quality Index – Z+ Insurance

Delhi Environment Min convenes meeting amid Delhi’s worsening air quality

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Delhi Environment Minister Gopal Rai has called a meeting of the officials of his department and the city’s pollution control board on Thursday, as the national capital recorded close to ‘severe’ level air quality index (AQI).

The meeting is slated to take place at 1 pm on Thursday, an official said on Wednesday.

“The meeting of the environment department and Delhi Pollution Control Committee, to be chaired by Delhi Minister Gopal Rai, has been convened to discuss the situation as the AQI level has deteriorated,” he said.

The air quality index (AQI) in the national capital was close to the ‘severe’ level on an overcast Wednesday morning while the minimum temperature settled at 25.4 degrees Celsius, a notch below the season’s average.

Central Pollution Control Board data showed Delhi’s AQI at 395 (‘very poor’) at 9 am, just five notches short of touching the ‘severe’ level. 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 weather office has predicted dust storm or thunderstorm during the day while the maximum temperature is likely to settle around 40 degrees Celsius.

Thunderstorms with light to moderate rain are likely in isolated places of north Delhi, Gohana, Gannaur, Sonipat, Rohtak and Kharkhoda of Haryana, and Baraut, Bagpat and Khekra of Uttar Pradesh, the weather office said.

(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)

First Published: May 17 2023 | 2:56 PM IST

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Delhi’s Air In “Hazardous” Category Morning After Diwali Celebrations

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Itchy Throat, Watery Eyes As Delhi's Air Pollution Goes Off The Charts

Delhi residents complained of itchy throat and watery eyes

New Delhi:

From “severe” last night, the air quality in the national capital has slipped into the ”hazardous” category this morning, following the festival of Diwali.

Continuing its upward trend, the city’s air quality index, which stood at 382 at 4 pm yesterday, entered the severe zone around 8 pm as low temperature and wind speed allowed the accumulation of pollutants.

The concentrations of Pollution Meter (PM) 2.5 stood at 999 at Jawaharlal Nehru stadium in the city on Friday morning. The number 999 is the upper limit of Delhi’s pollution meters and the reading could mean the actual value may be higher.

The neighbouring cities of Faridabad (424), Ghaziabad (442), Gurgaon (423) and Noida (431) also recorded ‘severe’ air quality with cracker bursting peaking after 9 pm.

Despite Delhi government’s complete ban on firecrackers, including the green ones, several people were seen bursting crackers, contributing to the degradation of the air quality.

Residents of Lajpat Nagar in South Delhi, Burari in North Delhi, Paschim Vihar in West Delhi and Shahdara in East Delhi reported incidents of firecracker bursting as early as 7 pm. A substantial dip in cracker bursting in the evening seemed a break from tradition.

People from several parts of the city and its suburbs complained of itchy throat and watery eyes, as a layer of smog, the first episode this season, lingered over the region.

The Haryana government has also imposed a ban on the sale or use of all kinds of firecrackers in 14 of its districts in the National Capital Region, while curbs were put in other parts.

As per the Centre-run System of Air Quality and Weather Forecasting And Research (SAFAR), the air quality is not likely to improve until Sunday evening (November 7). The improvement would, however, just fluctuate in the ”Very Poor” category.

Experts said the air quality deterioration was due to unfavourable meteorological conditions — calm winds, low temperature and low mixing height — and a poisonous cocktail of emissions from firecrackers, stubble burning and local sources.

Earlier on Thursday, the city reported its first episode of fog which lowered visibility at the Indira Gandhi International Airport and the Safdarjung Airport to the range of 600-800 metres in the morning.

The capital’s 24-hour average air quality index (AQI) stood at 382 on Thursday, up from 314 on Wednesday. It was 303 on Tuesday and 281 on Monday.

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’.

According to SAFAR model forecasts, stubble burning share may increase to 35 per cent on Friday and 40 per cent on Saturday with the wind direction changing to northwesterly.

Northwesterly winds carry smoke from farm fires in Punjab and Haryana towards the national capital.

Relief is expected only from the evening of November 7 but AQI will fluctuate within the ‘very poor’ range, the air quality forecast agency said.

(With PTI inputs)

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