ACS ES&T Air,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 11, 2024
Since
2013,
stringent
clean
air
initiatives
have
significantly
reduced
atmospheric
pollutant
emissions
in
China,
improving
quality
and
altering
the
spatiotemporal
patterns
of
pollution.
Utilizing
fine
particulate
matter
(PM2.5)
its
chemical
composition
data
from
2000
to
2023,
we
observed
a
reduction
disparity
PM2.5
concentrations
between
urban
nonurban
areas.
This
is
linked
stricter
emission
controls
areas
relocation
some
sources
However,
specific
constituents
driving
factors
behind
these
changes
remain
be
fully
elucidated.
By
analyzing
proportions
components
major
cities
such
as
Beijing,
Shanghai,
Guangzhou
their
surrounding
areas,
found
that
narrowing
gap
regions
associated
with
convergence
organic
(OM)
both
results
varying
strategies
tailored
distinct
characteristics
pollution
China.
Coordinated
governance
should
considered,
along
implementation
integrated
control
mitigation
measures
for
multiple
pollutants
further
enhance
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(6), P. 4787 - 4802
Published: Feb. 29, 2024
The
emission
of
volatile
organic
compounds
(VOCs)
from
asphalt
during
construction
processes
presents
substantial
risks
to
human
health
and
the
environment.
To
advance
sustainable
transportation
development,
this
review
offers
a
comprehensive
study
methods
for
characterization,
release
characteristics,
influencing
factors,
mechanisms,
environmental
impacts
VOCs.
At
present,
research
has
been
conducted
on
characterization
methods,
component
risks.
findings
indicate
that
gas
chromatography–mass
spectrometry
is
most
method
characterizing
Asphalt
VOCs
mainly
comprise
alkanes,
aromatics,
aliphatic
hydrocarbons.
Factors
including
temperature,
source,
ultraviolet
radiation
can
all
affect
characteristics
Elevated
VOC
levels
contribute
photochemical
production
ozone
fine
particulate
matter,
exacerbating
air
pollution
climate
change.
Additionally,
specific
VOCs,
benzene
polycyclic
aromatic
hydrocarbons,
pose
humans.
While
progress
achieved
in
current
research,
challenges
persist
quantifying
assessing
their
risks,
implementing
effective
mitigation
technologies.
address
these
challenges,
future
should
focus
establishing
fingerprints,
quantitative
evaluation
criteria,
material
innovation,
optimization
processes,
exposure
assessment,
collaborative
solution
implementation.
Ecotoxicology and Environmental Safety,
Journal Year:
2025,
Volume and Issue:
289, P. 117591 - 117591
Published: Jan. 1, 2025
Urbanization
and
industrialization
have
drastically
increased
ambient
air
pollution
in
urban
areas
globally
from
vehicle
emissions,
solid
fuel
combustion
industrial
activities
leading
to
some
of
the
worst
quality
conditions.
Air
Ghana
causes
approximately
28,000
premature
deaths
disabilities
annually,
ranking
as
a
cause
mortality
disability-adjusted
life
years.
This
study
evaluated
annual
concentrations
PM
Respiratory Research,
Journal Year:
2024,
Volume and Issue:
25(1)
Published: Feb. 28, 2024
Abstract
Background
Increasing
evidence
is
appearing
that
ozone
has
adverse
effects
on
health.
However,
the
association
between
long-term
exposure
and
lung
function
still
inconclusive.
Objectives
To
investigate
associations
to
in
Chinese
young
adults.
Methods
We
conducted
a
prospective
cohort
study
among
1594
college
students
with
mean
age
of
19.2
years
at
baseline
Shandong,
China
from
September
2020
2021.
Lung
indicators
were
measured
2021,
including
forced
vital
capacity
(FVC),
expiratory
volume
1
s
(FEV1),
flow
25th,
50th,
75th
percentile
FVC
(FEF25,
FEF50,
FEF75)
rate
25%
75%
(FEF25-75)
measured.
Daily
10
km×10
km
concentrations
come
well-validated
data-fusion
approach.
The
time-weighted
average
12
months
before
test
defined
as
exposure.
adults
investigated
using
linear
mixed
model,
followed
by
stratified
analyses
regarding
sex,
BMI
history
respiratory
diseases.
Results
Each
interquartile
range
(IQR)
(8.9
µg/m
3
)
increase
associated
-204.3
(95%
confidence
interval
(CI):
-361.6,
-47.0)
ml/s,
-146.3
CI:
-264.1,
-28.4)
−
132.8
-239.2,
-26.4)
ml/s
change
FEF25,
FEF25-75,
respectively.
Stronger
found
female
participants
or
those
≥
24
kg/m
2
Conclusion
Long-term
ambient
impaired
small
airway
Females,
disease
have
stronger
associations.
Frontiers in Public Health,
Journal Year:
2024,
Volume and Issue:
12
Published: June 13, 2024
Background
Ozone
pollution
is
associated
with
cardiovascular
disease
mortality,
and
there
a
high
correlation
between
different
pollutants.
This
study
aimed
to
assess
the
association
ozone
deaths
resulting
burden
in
Nanjing,
China.
Methods
A
total
of
151,609
from
were
included
China
2013
2021.
Daily
data
on
meteorological
air
collected
apply
generalized
additional
model
multiple
pollutants
perform
exposure-response
analyses,
stratification
analysis,
evaluation
excess
using
various
standards.
Results
In
multi-pollutant
model,
an
increase
10
μg/m
3
O
was
significantly
0.81%
(95%CI:
0.49,
1.12%)
lag05.
The
weakened
both
single-pollutant
two-pollutant
models,
but
remained
more
pronounced
females,
older
group,
during
warm
seasons.
From
2021,
number
attributed
exposure
continued
rise
concentration
Nanjing.
If
be
reduced
WHO
standard
minimum
level,
would
decrease
by
1,736
10,882,
respectively.
Conclusion
risk
death
due
increases
higher
concentration.
Reducing
meet
standards
or
lower
can
provide
greater
health
benefits.
