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 …

Revocation of actions under stage I ('Poor' Air quality, AQI: 201-300) of GRAP

The Commission for Air Quality Management in National Capital Region and Adjoining Areas (CAQM) on February 27, 2024, issued an order regarding the Revocation of actions under stage I ('Poor' Air quality, AQI: 201-300 of GRAP. The sub-committee in its meeting held on February 27, 2024, further reviewed the air …

Revocation of Actions under stage-Ill (‘Severe’ Air quality) of revised Graded Response Action plan in Delhi-NCR

The Commission for Air Quality management (CAQM) issued an order to revoke the restrictions under the Graded Response Action Plan(GRAP) stage- III, after an improvement witnessed in the average Air Quality Index (AQI) of the city which was recorded at 312. While comprehensively analyzing the overall air quality parameters of …

Action Taken Report by Bihar on steps taken to improve air quality, 20/11/2023

Action Taken Report by the state of Bihar in Original Application No. 687 of 2023 'Air Quality Index in Various Cities'. The report was in light of the National Green Tribunal order dated November 10, 2023. The NGT directed all the states and Union Territories to take adequate and immediate …

Assessment of ambient air quality during Diwali (year 2023)

An analysis by the Delhi Pollution Control Committee (DPCC) has revealed a substantial rise in fine particulate matter on Diwali, with a 45 per cent increase in PM2.5 and a 33 per cent increase in PM10, compared to the previous year. The DPCC’s report emphasised that nearly all air quality …

Order of the National Green Tribunal regarding air quality in some of the cities of India, 10/11/2023

Order of the National Green Tribunal regarding air quality index in various cities of India dated 10/11/2023. The court noted that there has been no significant improvement in the air quality in the different cities and in fact in some of the cities, the air quality is either at the …

Implementation of actions under Stage-IV ('severe+'Air Quality) of revised Graded Response Action Plan in Delhi-NCR- steps to be taken

Centre has taken a call to invoke all actions as envisaged under Stage-IV of the Graded Response Action Plan (GRAP) – ‘Severe+’ Air Quality (Delhi’s AQI > 450), with immediate effect in the entire national capital region (NCR). Commission for Air Quality Management in NCR and adjoining areas invoked the …

Stakeholders consultation to control air pollution in Delhi

The Department of Environment, Government of NCT of Delhi on 27.09.2023, as part of National Clean Air Program, has conducted a Stakeholders Consultation to suggest regulatory changes in following areas: Implementation of Directions/ guidelines on dust mitigation measures in Construction and Demolition (C&D;) activities and sound environmental management of C&D; …

Risk communication of ambient air pollution in the WHO European Region: review of air quality indexes and lessons learned

This report provides an overview of air quality indexes used in 37 Member States of the WHO European Region and some observations/suggestions for future developments to improve risk communication on air pollution. In the Region, air quality information is widely available to the public, both online and through official mobile …

Revocation of actions under stage III ('severe' Air Quality) of GRAP and intensifying actions under Stage-I & Il of revised Graded Response Action Plan

The Sub-Committee for operationalization of the revised Graded Response Action Plan (GRAP) in its meeting held on 7th December, 2022, further reviewed the air quality scenario in the Delhi. It also reviewed the Indian Meteorological Department (IMD) / Indian Institute of Tropical Meteorology (IITM) forecasts for meteorological conditions and air …

Open air quality data: the global landscape

Open Air Quality Data: The Global Landscape is the only global assessment of whether and how national governments are producing and sharing air quality data with the public. Governments have a responsibility to address air pollution—a leading health concern across the entire world that disproportionately harms residents of low- and …

The Commission for Air Quality Management in National Capital Region and Adjoining Areas Act, 2021

An Act to provide for the constitution of the Commission for Air Quality Management in National Capital Region and Adjoining Areas for better co-ordination, research, identification and resolution of problems surrounding the air quality index and for matters connected therewith or incidental thereto. The Central Government shall, by notification in …

Report on the validity of EC granted for setting up of thermal power station by the THDC India Limited, at Khurja, district Bulandshahar, Uttar Pradesh, …

Report of the Joint Committee constituted by the National Green Tribunal in Appeal No. 19 of 2017 in the matter of Social Action for Environment and Forest Vs Union of India & Others. The issue for consideration was the validity of Environmental Clearance granted for setting up of thermal power …

Brief Note On Impact Of Lockdown Due To COVID-19 Pandemic On Ambient Air Quality Of Rajasthan

It is evident that as compared to lockdown period, air quality in terms of Air Quality Index has remained ‘Satisfactory’ during modified lockdown period at all the towns except at Jodhpur where it has worsened to ‘Moderate’ Category. In comparison to the periods of lockdown, air quality has worsened during …

Assam, North-Eastern States Doctors Join Hands To Fight Air Pollution

GUWAHATI: Eminent doctors of Assam and other North-Eastern States have come forward to fight against air pollution and to create awareness regarding the rising air pollution and its ill effects. Many renowned doctors joined hands at the launch event of Doctors for Clean Air at NEDFi House. It was led …

Hyderabad: City air ‘clean’ in global charts

Hyderabad has 171th dirtiest air in the world. Hyderabad: According to a report published by IQAir AirVisual, 13 of the top 15 polluted cities across the world are from India. As per the study, Gurugram with its average AQI of 135.8 is the most polluted city in the world followed …

Ozone pollution higher this summer, says CSE

Ozone pollution has increased in Delhi-NCR this summer compared to last year, an analysis by the Centre for Science and Environment, Delhi, has found. “When temperature increases, the rate of production of ozone also increases. It can cause fatigue, breathlessness, and asthma,” an official at the System of Air Quality …

Delhi’s ‘poor’ air quality days down 33%: Javadekar

Air quality in Delhi-NCR has improved with the number of “poor” air quality days coming down from 300 in 2014 to 206 in 2018, Union Environment Minister Prakash Javadekar said on Thursday. Speaking at an event to mark the World Environment Day, which was on June 5, the Minister said …

Air Quality Status of Maharashtra 2018-19

Maharashtra Pollution Control Board (MPCB) has established Ambient Air Quality Network in Maharashtra covering major cities to comply with the mandate of Air (Prevention & Control of Pollution) Act, 1981 and to disseminate of air quality prevailing in the state of Maharashtra. This report compiles and presents illustrative statistical data …

Ozone pollution likely to spike in Capital

Air Quality Index also expected to slowly deteriorate in the next two days With rising temperatures, surface ozone pollution is expected to increase in Delhi in the next three days, according to a forecast by the System of Air Quality and Weather Forecasting and Research (SAFAR). “Surface ozone can lead …

Stubble burning cases peak at 1,595, a day after polling

A total of 10,114 fire incidents were recorded in Punjab during this season till May 22, including 4,092 (40%) in just the past five days. AT THE end of wheat harvesting season, and a day after voting day in Punjab, the state recorded the highest number of stubble burning incidents …

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