Air Quality Standards

Order of the National Green Tribunal regarding violation of environmental norms by a tyre pyrolysis plant, village Sakauti, Shamli, Uttar Pradesh, 28/05/2025

Order of the National Green Tribunal in the matter of Dr. Amit Kumar Vs State of Uttar Pradesh & Others dated 28/05/2025. The applicant has raised a grievance against setting up of a tyre pyrolysis plant by M/s Adideva Carbon LLP. According to the applicant, the tyre pyrolysis plant has …

China just built the 'world's biggest air purifier' to tackle smog problem

China has been struggling with smog for years now and to fight the same, the country has done something really un-thinkable. They have constructed an experimental air purifying tower, which is said to be the 'world's biggest air purifier' and goes to a whopping height of 330 feet, reports South …

In 2017, Lucknow had good air quality only on 17 days

U.P. capital was ‘perpetually under dangerous levels’ of air pollution: NGO report The national capital may hog the limelight when it comes to deteriorating air quality, but if you are a resident of Lucknow you have much reason to be concerned. In 2017, the Uttar Pradesh capital had “good” air …

Air quality bad even in evenings

KOLKATA: Pollutants hung heavy in the ambient air of the city and refused to dissipate even in the evening when the ambient air tends to get cleaner. Throughout Sunday, according to US Co nsulate air-quality monitoring station, the air was hazardous (301-500 g/m3) with the PM2.5 count of city's air …

Pollution spike turns Amaravati air dangerous

GUNTUR: The ambient air quality (AAQ) level in the capital city area of Amaravati is growing from bad to worse, with the residents blaming the negligent attitude of the authorities. According to AP Pollution Control Board (APPCB), Particulate Matter (PM-10) touched 143 ug/m3 in Amaravati on Sunday. The highest permissible …

Hyderabad’s air quality is passable: Central Pollution Control Board report

City was placed at 11th in 2017, with 90 per cent of the days being ‘moderate or satisfactory’ while 10 per cent of the days being ‘poor’. Hyderabad: Hyderabad fares ‘moderately’ on the air quality index, says to a recent report by Central Pollution Control Board that graded air quality …

Mumbai’s air quality dips again

Of the 10 observatories in city, Borivali and Malad recorded very poor air with PM 2.5 at 313 and 304, respectively. Malad, BKC, Mazgaon, Andheri and Navi Mumbai experienced poor air quality with PM 2.5 at 210, 256, 282, 256 and 249, respectively. After better quality of air in the …

Dense fog, low visibility hit Delhi again, air pollution remains 'poor'

As fog continued to cover the capital city on Sunday morning, trains services have taken a hit in Delhi and NCR with 73 trains being affected. As fog continued to cover the capital city on Sunday morning, trains services have taken a hit in Delhi and NCR with 73 trains …

Air quality improving in Srinagar but pollution still excessive

Srinagar: The Continuous Ambient Air Quality Monitoring Stations (CAAQMS) installed at five locations in Srinagar by the State Pollution Control Board (SPCB) have recorded decreasing air pollution levels in the past four months, though they still remain above normal levels. As per the data recorded at the five monitoring locations …

When just 2 ‘achhe din’ in a year are cause for cheer

NEW DELHI: Even though Delhi experienced a deadly smog episode spanning more than a week in November, a recent report by the Central Pollution Control Board indicated that the overall air quality might have improved in 2017 compared to 2016. In a note, "significant achievement 2017", CPCB scientists listed steps …

Ambient Air Quality Data of Delhi-NCR for the Month of December, 2017

In compliance to the direction of Hon’ble National Green Tribunal, Principal Bench, New Delhi Dated: November 17, 2017 (in the matter of Vardhman Kaushik Vs. Union of India & Others vide OA No. 21/2014), the compiled ambient air quality data (of each monitored parameters) of Delhi-NCR with station wise daily …

Question raised in Lok Sabha on Permissible Level of Pollutants, 22/12/2017

Question raised in Lok Sabha on Permissible Level of Pollutants, 22/12/2017. Government of India has laid down National Ambient Air Quality standards (NAAQS) for twelve air pollutants, namely, PM10, PM2.5, Carbon Monoxide (CO), Sulphur Dioxide (SO2), Nitrogen Dioxide (NO2), Ammonia (NH3), ground level Ozone (O3), Lead, Arsenic, Nickel, Benzene and …

Close schools if air quality hits emergency mark: NGT to Delhi government

The NGT said that it would pass detailed order on ways to handle air pollution after perusing the action plans submitted by the Haryana, Delhi, Rajasthan, Punjab and Uttar Pradesh governments. The The National Green Tribunal today directed the Delhi government to consider shutting schools whenever air quality touches emergency …

National Clean Air Programme (NCAP) – India: concept note

The Ministry of Environment and Forests targets 35% reduction of air pollution in the next three years and 50% reduction in the next five years for at least 100 cities across India. The listed cities will have their own city-specific action plans. Greenpeace India accessed exclusive concept document of National …

Over 300 coal-based power plants continue to emit more as deadline to comply with strict emission norms ends

NEW DELHI: Polluting coal-based power plants across the country were supposed to comply with strict emission norms by Thursday - a deadline set by the environment ministry two years ago. But, over 300 of them did not do so by taking refuge in a relaxed approach of the ministry towards …

Crackdown on non-permitted fuels used in industrial areas: EPCA

The Environment Pollution (Prevention and Control) Authority (EPCA) has asked the Delhi government to stop the use of non-permitted fuels in industrial areas and for regular patrolling of these sites to bring down fuel emissions to improve air quality in Delhi-NCR. The industries, located near Anand Vihar Inter-State Bus Terminal …

Air quality in Delhi-NCR improves to 'very poor' as wind catches up

NEW DELHI: The air quality in Delhi-NCR improved markedly on Wednesday from "severe" to "very poor" towards the evening, with the wind speed catching up. According to the environment authority, the wind speed on Wednesday increased while light showers at some places across Delhi-NCR helped to improve the overall ambient …

Delhi pollution: Air quality dips again but worst is yet to come

A bench headed by NGT chairperson Justice Swatanter Kumar directed the AAP government to file the action plan within the next 48 hours even as the government sought more time. On Monday, air quality in Delhi inched towards the very poor-severe range — with air quality index recorded at 390 …

North India hit by biting cold, Delhi air quality worse

The India Meteorological Department said pollution levels have spiked due to calm conditions, marked by low wind speed and moisture. Delhiites woke to a chilly morning with the minimum temperature settling at 8ºC, the Kashmir Valley shivered under sub-zero temperatures while Punjab and Haryana also saw the mercury dip as …

How falling temperatures hit Delhi’s air quality -- and pride

NEW DELHI: With the minimum temperature falling to 7.4 degrees Celsius in the past 24 hours — two degrees below normal for the season — Delhi's air quality deteriorated slightly on Sunday. As the overall air quality index (AQI) rose to 351 compared to 331 on Saturday, several cricketers were …

Air pollution neither Delhi specific nor limited to winter alone: Study

NEW DELHI: A study has pointed out that air pollution is neither Delhi-specific or limited to winter alone. At least four other cities have suffered more compared to Delhi in terms of the number of days and severity of air pollution. The annual concentration of major pollutant PM2.5, or particles …

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