Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 28, 2023
Abstract
This
study
assessed
seasonal
and
annual
variations
as
well
the
health
risks
associated
with
exposure
to
PM
2.5
,
10
SO
2
in
ambient
air
of
Tehran
from
2019
2021.
The
findings
revealed
that
average
concentration
varied
28.24
32.34
µg/m
3
69.57
82.22
14.94
17.98
respectively.
amounts
were
greatest
west
southwest,
while
was
most
abundant
east
northeast
which
above
WHO
guidelines.
In
duration
scenarios
8
12
hours,
mean
hazard
quotient
(HQ)
for
>1,
suggesting
an
unacceptable
risk
human
health.
There
no
according
HQ
at
all
periods
3,
8,
hours.
Further
evidence
time
plays
a
significant
part
hazards
provided
by
fact
values
times
hours
both
<1.
Sobol
sensitivity
analysis
sensitive
indicator
populace.
Buildings,
Journal Year:
2023,
Volume and Issue:
13(10), P. 2469 - 2469
Published: Sept. 28, 2023
The
subway
factory
industry
is
developing
rapidly
in
China,
but
there
are
some
occupational
health
risk
assessments
of
inhalable
dust
this
industry.
Therefore,
study
aimed
to
explore
the
contamination
level
and
risks
an
aluminum
alloy
body
workshop
factories
Hunan
Province,
China.
A
total
160
samples
were
collected
from
welding
grinding
areas.
main
elements
PM10
analyzed.
PM2.5
evaluated.
Monte
Carlo
method
was
adopted
compare
sensitivity
Hazard
Quota
(HQ)
carcinogenic
(CR)
exposure
parameters
for
workers.
results
showed
that
concentration
area
higher,
while
higher.
metal
element
with
a
mass
fraction
27.7%
aluminum.
In
both
areas,
probability
HQ
exceeding
1
approximately
17%
68%,
respectively.
CR
exceeded
acceptable
upper
limit
value
(1.0
×
10−4).
factor
concentration,
factors
duration.
These
findings
provide
basic
data
enhancing
management
Air Quality Atmosphere & Health,
Journal Year:
2023,
Volume and Issue:
16(11), P. 2309 - 2323
Published: Aug. 16, 2023
Abstract
Indoor
and
outdoor
PM
2.5
samples
were
collected
in
three
residential
areas
near
a
ferromanganese
smelter
using
GilAir300
plus
at
2.75
L/min,
the
elemental
composition
was
analysed
inductively
coupled
plasma-mass
spectroscopy.
A
health
risk
assessment
conducted
to
determine
probability
of
developing
carcinogenic
non-carcinogenic
effects
for
four
age
groups.
The
hazard
quotient
(HQ)
manganese
>1
both
indoors
outdoors
groups
all
areas,
indicating
effects.
HQs
Cr
(VI)
displayed
similar
trend
groups;
it
except
environments
New
Sicelo.
highest
HQ
(25.6)
found
Old
Sicelo
21–35
group
whereas
minimum
(8.3)
Noldick
36–65+
group.
When
overall
concentrations,
only
Mn
values
recorded
Noldick.
cancer
risks
chromium
(VI),
cobalt,
cadmium
above
upper
limit
1
×
10
−4
lower
−6
when
considering
indoor
concentrations.
cobalt
that
.
Urgent
intervention
is
required,
particularly
given
negative
associated
with
exposure.
Graphical
abstract
International Journal of Public Health Research,
Journal Year:
2023,
Volume and Issue:
13(2), P. 1743 - 1755
Published: Sept. 3, 2023
Air
pollutants
including
PM2.5
are
an
increasing
threat
to
public
health.
Studies
have
reported
the
adverse
effect
of
exposure
during
pregnancy
on
neurodevelopment
in
children.
We
performed
a
narrative
review
using
PubMed,
Web
Science
and
Scopus
databases
keywords
such
as
prenatal,
particulate
matter,
neurodevelopment,
This
aims
identify
symptoms
impaired
children
associated
with
prenatal
exposure,
association
between
timing
well
other
factors
that
may
influence
25
papers
were
included
this
review.
There
ranges
neurodevelopmental
impairment
PM2.5,
language,
speech,
communication
symptoms;
motor
skills;
behaviour
social
memory
learning/cognitive
symptoms.
Neurodevelopmental
impairments
across
all
three
trimesters
behavioural
domains
predominate
those
exposed
first
trimester.
Generally,
male
was
more
susceptible
having
compared
females.
More
information
regarding
towards
will
support
health
policies
reduce
air
pollution
improve
children’s
Environment and Natural Resources Journal,
Journal Year:
2024,
Volume and Issue:
22(4), P. 1 - 8
Published: July 1, 2024
Exposure
to
outdoor
air
pollutants,
particularly
respirable
particulate
matter
(RPM),
can
cause
adverse
health
outcomes.
The
cross-sectional
study
aimed
assess
motorcycle
taxi
driver’s
risk
from
exposure
RPM.
A
total
of
153
drivers
were
recruited
in
Bangkok
and
five
adjacent
provinces
during
May
June
2022.
standardized
questionnaire
for
data
collection
contained
time
(hour/day),
frequency
(days/years),
duration
(year),
body
weight
(kg),
averaging
(days).
average
RPM
concentration
six
assessed
personal
sampling
pumps
ranged
0.006-0.031
mg/m3.
showed
the
highest
(0.031
mg/m3),
followed
by
Pathumthani
(0.028
Samut
Prakan
(0.009
Nakhon
Pathom
(0.008
Nonthaburi
(0.007
Sakhon
(0.006
respectively.
Hazard
Quotient
(HQ)
values
a
non-carcinogenic
human
caused
each
province
indicated
negligible
(HQ=0.005-0.028).
HQ
averages
(HQ=0.013)
all
also
at
an
acceptable
level
(≤1).
Not
are
safe
exposure,
although
their
is
within
limits
depending
on
individual
susceptibility.
Therefore,
this
first
report
quantifying
assessment
among
drivers.
These
findings
would
be
useful
information
further
preventing
controlling
ambient
pollution
including
policies
strategies
mitigate
risks
motorcycle-taxi
other
exposed
populations.
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 28, 2023
Abstract
This
study
assessed
seasonal
and
annual
variations
as
well
the
health
risks
associated
with
exposure
to
PM
2.5
,
10
SO
2
in
ambient
air
of
Tehran
from
2019
2021.
The
findings
revealed
that
average
concentration
varied
28.24
32.34
µg/m
3
69.57
82.22
14.94
17.98
respectively.
amounts
were
greatest
west
southwest,
while
was
most
abundant
east
northeast
which
above
WHO
guidelines.
In
duration
scenarios
8
12
hours,
mean
hazard
quotient
(HQ)
for
>1,
suggesting
an
unacceptable
risk
human
health.
There
no
according
HQ
at
all
periods
3,
8,
hours.
Further
evidence
time
plays
a
significant
part
hazards
provided
by
fact
values
times
hours
both
<1.
Sobol
sensitivity
analysis
sensitive
indicator
populace.