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The northern part of India, adjoining the Himalaya, is considered as one of the global hot spots of pollution because of various natural and anthropogenic factors.

Meerut is worst affected with around 200 cases reported so far, followed by Lucknow with 173 cases and Ghaziabad with 128 cases.

Order of the National Green Tribunal in the matter of We the People Vs Union of India & Others dated 01/11/2018 regarding illegal felling of trees at at Chak Ganjaria Farm at Lucknow where a Hightech City has been developed by the State of Uttar Pradesh. The report of the Remote Sensing Applications Centre (RSAC), Department of Science and Technology, Lucknow, Uttar Pradesh dated 13.10.2018 shows that under ‘Vegetative Cover’ sub-category ‘Tree Cover Density 40% to 70%’, the area was 0.684 hectares in the year 2012, which became zero in the year 2017.

This study was carried out during the month of September-October, 2017 (Diwali period not considered) to investigate the status of air quality by monitoring and assessment of some selected air pollutants namely Respirable Particulate Matter (RSPM or PM10), Fine Particulate Matter (PM2.5), Sulphur dioxide (SO2), Nitrogen dioxide (NO2) and noise l

The study was carried out during the months of April-May, 2017 to assess the status of air quality by monitoring and assessment of some selected air pollutants namely Respirable Suspended Particulate Matter (RSPM or PM10), Fine particles (PM2.5), Sulphur Dioxide (SO2), Oxides of Nitrogen (NOx) and trace metals-Lead (Pb) and Nickel (Ni)and noise

The Gomti river in Lucknow is even more polluted than the Ganga in Varanasi, a CAG report has revealed.

As per section 5.2.8 (IV) of National Environment Policy (NEP) - 2006, Ambient Noise is included as environmental quality parameter and is being monitored in specific urban areas regularly.

Question raised in Lok Sabha on Ground Level Ozone, 22/12/2015. The Ozone level monitoring is conducted by Central Pollution Control Board at 04 locations in Delhi, 02 locations in Bangalore, 02 locations in Chennai and 02 locations in Lucknow.

Transport sector has always been a significant contributor in emission estimates of cities. The source apportionment studies conducted in the six major cities of the country have shown that transport has significant contributions in PM2.5 and NOx concentrations.

Ambient Noise Level assessment has been conducted at 70 locations in seven cities (Delhi, Mumbai, Chennai, Kolkata, Lucknow, Bangalore and Hyderabad) reveals following