Air Quality Index (AQI)

Judgment of the National Green Tribunal regarding plywood factories operating in Yamuna Nagar, Haryana, 27/05/2025

Judgment of the National Green Tribunal, May 27, 2025 in the matter of Sumit Saini Vs Shree Ram Steel Industries & Others. Sumit Saini, resident of village Damla, District Yamuna Nagar, Haryana had sent a letter petition dated May 14, 2022 to the NGT. The application said that around 25 …

Delhi to breathe slightly cleaner air this week

The week leading up to round two of the odd-even scheme will see Delhiites breathe slightly cleaner air, with particulate matter expected to remain in the moderate range. The Capital sees PM levels of “severe”, “very poor”, and “poor” for the majority of the year, as per the Union Ministry …

Flaws in National Air Quality Index: Greenpeace India

Greenpeace India today said "flaws still remain" in the National Air Quality Index (NAQI), launched by Prime Minister Narendra Modi a year back, while accessibility of data on air pollution continues to be "skewed". The NGO said "sadly" NAQI continues to be plagued by several discrepancies in the investment in …

Parts of western suburbs see drizzle, air quality moderate

Mumbai: A drizzle on Tuesday morning took Mumbaikars by surprise. Parts of the western suburbs, especially Kandivli, Bandra and Borivli, witnessed light rainfall early in the morning but all through the day the sky remained overcast. The Regional Meteorological Centre's Colaba observatory recorded trace rainfall between April 4-5, while the …

Mumbai’s pollution levels falls to‘moderate’

MUMBAI: After two days of experiencing 'good' air quality, the city's pollution levels fell to the 'moderate' levels on Sunday evening. According to System of Air Quality Weather Forecasting and Research (SAFAR), the Air Quality Index (AQI) in Mumbai was 94 on Sunday morning which deteriorated to 125 by evening. …

Odd-even phase II: This time, eye on ozone as well

In February, apart from particulate matter, gaseous pollutant ozone emerged dominant. Experts say ozone levels go up with the rise in temperature. As Delhi prepares for Phase II of the odd-even scheme this month, along with particulates, the government plans to monitor ozone levels to assess the impact of the …

Mumbai's air quality improves

MUMBAI: Better winds speeds brought some respite to Mumbaikars as the pollution levels went from the 'poor' to 'moderate' category on Tuesday. However, the pollution levels for another day in a row remained worse than Delhi. According to the System of Air Quality Weather Forecasting and Research (SAFAR), the Air …

Air quality deteriorates in Mumbai

MUMBAI: After a few days of 'good' to 'moderate' air quality levels, the pollution in the city breached the 'poor' category on Monday. According to the System of Air Quality Weather Forecasting and Research (Safar), Mumbai recorded an Air Quality Index (AQI) of 228 during the day which bettered only …

Pollution worse than Delhi, avoid exertion outdoors

Mumbai: The air pollution levels in the city remained in the "poor" category for the second day in a row with no immediate relief in view as the fire at the dump, which observers blamed for the worsening pollution, aggravated on Monday evening. At Chembur, close to the Deonar dump, …

Monitor 4 major air polluters: MPCB

MPCB officials said that these four polluters usually caused the maximum damage to air quality. The Maharashtra Pollution Control Board (MPCB) has sought steps to monitor four major air polluters in the city — dumping grounds, Ready Mix Concrete (RMC) plants, industries and vehicles. In January, the Air Quality Index …

Our report will open talks on need for better clean action

Even as the government downplayed Greenpeace India's report where it said India had overtaken China's air pollution levels in 2015, the NGO today said a discussion on it would reinforce the call for a comprehensive National Air Quality Index (NAQI) and clean air action plan. "We welcome the fact that …

Question raised in Lok Sabha on National Air Quality Index, 15/03/2016

Question raised in Lok Sabha on National Air Quality Index, 15/03/2016, Central Pollution Control Board (CPCB) started disseminating the Air Quality Index (AQI) for 10 cities based on the data CAAQM stations. At present, 23 cities are connected to the web-based system of National AQI. They are Agra, Ahmadabad, Bangaluru, …

Odd-even to return: Is govt ready for Ozone challenge?

Experts say Ozone levels go up with the rise in temperatures, as the gas is formed from a photochemical reaction which needs high sunlight. “Ozone does not have any source of its own. As the Delhi government prepares for the next phase of the odd-even scheme in April, analysis by …

CPCB report: PM 2.5, ozone dominant pollutants in February

According to the CPCB, ozone was the dominant pollutant along with PM 2.5 on February 15, 16, 22, 23, 26, 27 and 28. With 15 “very poor” and 13 “poor” days, air pollution levels continued to be high in February despite the spike in temperature, according to a monthly analysis …

Question raised in Lok Sabha on Air Pollution, 01/03/2016

Question raised in Lok Sabha on Air Pollution, 01/03/2016. The Govt. of India has taken number of steps to control the increasing air pollution.The steps taken by the Government inter-alia include; Notification of National Ambient Air Quality Standards (2009), envisaging 12 pollutants; Formulation of environmental regulations / statutes; Setting up …

Staying indoors is not a solution to Shanghai’s air pollution

Apart from a few pristine summer days last year when PM2.5 levels in Shanghai fell below 25, our city's air quality tends not to be very breathable. This past winter, for example, saw frequent AQI (Air Quality Index) levels hitting over 300 along with multiple Orange Alerts advising residents to …

Beijing to raise threshold for issuing air pollution 'red alerts'

BEIJING - Beijing is to raise the thresholds for issuing its highest air pollution warnings, the state news agency Xinhua reported on Sunday, two months after smog triggered the city's first ever "red alerts". In future, the highest alert will only be issued when the daily average air quality index …

Greenpeace: Air pollution levels in India are now higher than in China

India's air pollution levels official overtook China's in 2015, with the average particulate matter exposure exceeding Beijing for the first time in the 21st century. The information was revealed by Greenpeace on 22 February, who conducted an analysis of Nasa satellite data to reach their conclusion. Greenpeace research noted that …

Mumbai chokes as air quality worsens again

MUMBAI: For yet another day, the fluctuations in the city's pollution levels continued as the air quality index (AQI) once again breached the "very poor" mark on Tuesday. According to the System of Air Quality Weather Forecast-ing and Research (SAFAR), Mumbai registered an AQI of 310 in the morning. This …

High court seeks govt reply on air pollution

The Patna high court has directed the environment and forest department to file its reply by March 3 on a PIL regarding increasing air pollution in the state. Hearing the PIL, a division bench of acting Chief Justice Iqbal Ahmed Ansari and Justice Chakradhari Sharan Singh questioned, "Is there any …

AQI at a record high, touches 2015 Diwali level

MUMBAI: The city relived last year's most polluted day on Sunday as a dust storm blew towards the suburbs, worsening the air quality drastically. The air quality index (AQI) was 313, same as what was recorded a day after Diwali in November 2015. Worryingly, the levels of suspended particulate matter …

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