Air Quality Improvement Following the COVID-19 Pandemic Lockdown in Naples, Italy: A Comparative Analysis (2018–2022)
Environments,
Год журнала:
2024,
Номер
11(8), С. 167 - 167
Опубликована: Авг. 6, 2024
The
pandemic
lockdown
of
the
year
2020
has
been
generally
accompanied
by
an
improvement
in
air
quality.
Here,
we
report
data
on
effects
limitations
quality
metropolitan
area
Naples
(Italy)
following
evolution
main
atmospheric
pollutants
over
a
five-year
period
and
comparing
their
concentrations
with
previous
(2018
2019)
(2021
2022)
two
years.
In
particular,
NO2
PM10
registered
representative
sampling
station
network
columnar
features
aerosol
characterized
sun-photometer
are
considered.
To
avoid
possible
influence
Saharan
dust
transport,
which
affects
observational
area,
analysis
limited
to
days
free
from
such
events.
Our
findings
evidence
tendency
towards
pre-pandemic
conditions,
notwithstanding
some
differences
related
partial
temporary
restrictions
imposed
even
2021.
For
both
near-surface
PM,
observations
confirm
significant
reduction
induced
2020,
besides
seasonal
changes,
gradual
more
typical
values
Also,
clearly
highlight
recovery
conditions
2021
2022,
confirming
peculiar
effect
characteristics
that
evidences
striking
predominance
fine
component.
Язык: Английский
Changes in Anthropogenic Aerosols during the First Wave of COVID-19 Lockdowns in the Context of Long-Term Historical Trends at 51 AERONET Stations
Remote Sensing,
Год журнала:
2024,
Номер
16(19), С. 3618 - 3618
Опубликована: Сен. 28, 2024
A
quasi-consensus
has
steadily
formed
in
the
scientific
literature
on
fact
that
prevention
measures
implemented
by
most
countries
to
curb
2020
COVID-19
pandemic
have
led
significant
reductions
pollution
levels
around
world,
especially
urban
environments.
Fewer
studies
looked
at
how
these
ground
level
translate
into
variations
whole
atmosphere.
In
this
study,
we
examine
columnar
values
of
aerosols
51
mainland
European
stations
Aerosol
Robotic
Network
(AERONET).
We
show
when
considered
context
long-term
trend
over
last
decade,
aerosol
for
2020,
regional
level,
do
not
appear
exceptional.
Both
yearly
means
and
number
episodes
with
extreme
period
are
within
one
standard
deviation
trends.
conclude
spatially
temporally
localized
add
up
statistically
global
aerosols.
Furthermore,
considering
lockdowns
can
be
thought
as
a
simulation
climate
change
mitigation
scenario,
such
lifestyle-based
changes
present
very
low
potential
strategy.
Язык: Английский