Nitrogen dioxide photograph

Nitrogen Dioxide

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Molar mass46. 0055 g/mol
FormulaNO2
Density1. 45 g/cm³
Boiling point21 °C
ChemSpider ID2297499
Soluble in Water
Date of Reg.
Date of Upd.
ID781350
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About Nitrogen Dioxide


Nitrogen dioxide is the chemical compound with the formula NO ₂. It is one of several nitrogen oxides. NO ₂ is an intermediate in the industrial synthesis of nitric acid, millions of tons of which are produced each year which is used primarily in the production of fertilizers.

London air quality improved by Ulez and Lez - report

London air quality improved by Ulez and Lez - report
Nov 2,2023 3:11 am

... Nitrogen Dioxide levels had also fallen by 18...

Is the UK doing enough to monitor air pollution?

Is the UK doing enough to monitor air pollution?
Oct 15,2023 7:31 pm

... The new inquest confirmed Rosamund s suspicions, finding that Nitrogen Dioxide (NO2) emissions had exceeded both EU and UK levels...

London Ulez expansion: Do clean-air zones reduce pollution?

London Ulez expansion: Do clean-air zones reduce pollution?
Aug 26,2023 9:10 pm

... High levels of air pollutants - for example, Nitrogen Dioxide (NO2) and tiny particles known as fine particulate matter (PM2...

London mayor Sadiq hails Ulez expansion ruling by High Court

London mayor Sadiq hails Ulez expansion ruling by High Court
Jul 28,2023 10:11 am

... Air pollutants, such as Nitrogen Dioxide, can cause and worsen respiratory problems like asthma, and can affect those with heart conditions, according to multiple scientific studies...

Ulez: What is it and why is its expansion controversial?

Ulez: What is it and why is its expansion controversial?
Jul 21,2023 9:31 am

... Petrol and diesel vehicles emit the CO2 that warms our planet, but this scheme is principally aimed not at fighting climate change but reducing levels of two key air pollutants - Nitrogen Dioxide (NOx) and fine particulate matter (PM2...

Can houseplants purify the air in your home?

Can houseplants purify the air in your home?
Jul 20,2023 9:51 pm

... For instance, road traffic produces Nitrogen Dioxide, while moisture and structural issues in buildings can lead to mould...

Government set to miss air pollution goals - report

Government set to miss air pollution goals - report
Jun 17,2022 4:30 am

... The report raises particular concerns about levels of Nitrogen Dioxide, which is released into the air by road vehicles burning fuel...

Bristol mayor flies nine hours for TED climate conference

Bristol mayor flies nine hours for TED climate conference
May 28,2022 4:40 am

... " Cities are responsible for around 75% of CO2 emissions, and we re also prodigious emitters of Nitrogen Dioxide and methane...

Ulez: What is it and why is its expansion controversial?

May 25,2022 6:45 pm

By Jonah Fisher & Katy AustinBBC Environment Correspondent and BBC Transport Correspondent

The expansion of London's Ultra Low Emission Zone was a big issue in the .

What is it, and why is it controversial?

What is Ulez?

A £12. 50 daily charge applies for driving in the Ultra Low Emission Zone, commonly referred to as Ulez, if The Vehicle doesn't meet certain emission.

Boris Johnson to introduce it when he was The Mayor of London. It Then came into effect in April 2019. By This Time , Labour's Sadiq Khan had become Mayor.

Initially it covered the same central area as the Congestion Zone, before widening out to the North and South Circular roads in 2021.

In November 2022, a further expansion to cover all London boroughs was. This is due to start on 29 August 2023.

The Mayor 's office said it was needed to tackle air pollution, congestion and the climate emergency.

Some other UK cities have their own, different.

Why are such zones introduced?

Low emission zones have been introduced to clean up the air, with the aim of making people healthier and reducing The Burden on the NHS.

Petrol and diesel vehicles emit the CO2 that warms Our Planet , but this scheme is principally aimed not at fighting Climate Change but reducing levels of two key air pollutants - Nitrogen Dioxide (NOx) and fine particulate matter (PM2. 5).

Those pollutants have been blamed for causing thousands of premature deaths and stunting the growth of children's lungs.

What scrappage schemes are available?

For the Ulez expansion, £110m has been set aside for a scrappage scheme, for people on low incomes or disability benefits, some very small businesses and London-based charities.

Eligible drivers can Get Up to £2,000 for scrapping a car. The amount of money on offer differs for vans and motorbikes.

Changes to the scheme's criteria in June.

There is also a grace period for small businesses and charities who have already ordered a new compliant van or minibus, or booked retro-fitting.

Why is Ulez controversial?

The latest expansion of Ulez has proved divisive. Clean air campaigners support it.

However, some residents, businesses and politicians have expressed serious concerns. They include the financial impact during a cost of living squeeze, and The Nine month-long notice period.

Some People affected say the scrappage scheme won't help them. The cost of second-hand Ulez-compliant cars has also risen.

Five Conservative-run councils over the decision to expand Ulez. There have also been public protests.

The Mayor has defended The Plan , arguing it is necessary to help prevent health conditions related to air pollution and even excess deaths. Preparations such as installing cameras have continued.

Has the existing London Ulez made any difference?

The Number of older polluting vehicles that have entered the Ulez has fallen dramatically with 97% now meeting The Cleaner standards.

Within that area it is estimated that NOx emissions have fallen by 26% since 2019 with PM2. 5 emissions falling by 19% over the same period.

Air quality has improved as a result but all Londoners Still Live in areas exceeding World Health Organization guidelines for both pollutants.

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Source of news: bbc.com

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