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<p>The Mayor of London is responsible for air quality in London and has devolved powers
under the Environment Act 1995 allowing him to require London boroughs to take action
to address local air pollution. The Mayor has received over £6.6bn of funding for
transport in London since 2020, and London authorities have received further funding
for specific air quality projects totalling almost £102m.</p><p> </p><p>Nationally,
we are driving down emissions and concentrations of the most harmful air pollutants
and reducing their impact on public health and the environment. This Government has
delivered significant reductions in emissions since 2010 – with emissions of fine
particulate matter (PM2.5) falling by 24%, and nitrogen oxides down by 48%. We met
our targets to reduce emissions for all five key pollutants in the latest reporting
year.</p><p> </p><p>PM2.5 is the most harmful pollutant to human health, which is
why we have set two new targets to drive down PM2.5 concentrations under the Environment
Act 2021:</p><ul><li>A maximum annual mean concentration of 10 µg m-3 by 2040</li><li>A
population exposure reduction target of 35% by 2040 compared with 2018</li></ul><p>
</p><p>These targets mean that on average, people’s exposure to particulate matter
will be cut by over a third by 2040, compared with 2018 levels.</p>
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