Scientific Reports,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: Feb. 19, 2021
Abstract
On
January
30,
2020,
India
recorded
its
first
COVID-19
positive
case
in
Kerala,
which
was
followed
by
a
nationwide
lockdown
extended
four
different
phases
from
25th
March
to
31st
May,
and
an
unlock
period
thereafter.
The
has
led
colossal
economic
loss
India;
however,
it
come
as
respite
the
environment.
Utilizing
air
quality
index
(AQI)
data
during
this
adverse
time,
present
study
is
undertaken
assess
impact
of
on
Ankleshwar
Vapi,
Gujarat,
India.
AQI
obtained
Central
Pollution
Control
Board
assessed
for
phases.
We
compared
phase
with
coinciding
2019
determine
changes
pollutant
concentrations
lockdown,
analyzing
daily
six
pollutants
(PM
10
,
PM
2.5
CO,
NO
2
O
3
SO
).
A
meta-analysis
continuous
performed
mean
standard
deviation
each
phase,
their
differences
were
computed
percentage
comparison
2019;
along
linear
correlation
analysis
regression
relationship
among
trend
days.
results
revealed
patterns
gradual
rapid
reduction
most
2.5,
),
increment
ozone
concentration
observed
due
drastic
80.18%.
Later,
increases
other
also
restrictions
eased
phase-4
1.
between
two
cities
found
that
factors
like
distance
Arabian
coast
industrial
setups
played
vital
role
emission
trends.
Frontiers in Sustainable Cities,
Journal Year:
2021,
Volume and Issue:
3
Published: Aug. 13, 2021
Climate
change
and
air
pollution
have
been
a
matter
of
serious
concern
all
over
the
world
in
last
few
decades.
The
present
review
has
carried
out
this
Indian
cities
with
significant
impacts
both
climate
on
human
health.
expanding
urban
areas
extreme
events
(high
rainfall,
temperature,
floods,
droughts)
are
posing
health
risks.
intensified
heat
waves
as
result
led
to
elevation
temperature
levels
causing
thermal
discomfort
several
issues
residents.
study
also
covers
increasing
above
prescribed
standards
for
most
megacities.
aerosols
PM
concentrations
explored
hazardous
particles
that
inhaled
by
humans
enter
respiratory
system
discussed.
quality
during
COVID-2019
lockdown
its
reviewed.
Finally,
correlation
between
change,
pollution,
urbanizations
presented
pollutants
(such
aerosols)
affect
Earth
directly
(by
absorption
scattering)
indirectly
altering
cloud
properties
radiation
transfer
processes).
So,
will
serve
baseline
data
policy
makers
analyzing
vulnerable
regions
implementing
mitigation
plans
tackling
pollution.
adaptation
measures
can
be
taken
based
reciprocate
regular
monitoring
addressing
well.
Scientific Reports,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: Feb. 19, 2021
Abstract
On
January
30,
2020,
India
recorded
its
first
COVID-19
positive
case
in
Kerala,
which
was
followed
by
a
nationwide
lockdown
extended
four
different
phases
from
25th
March
to
31st
May,
and
an
unlock
period
thereafter.
The
has
led
colossal
economic
loss
India;
however,
it
come
as
respite
the
environment.
Utilizing
air
quality
index
(AQI)
data
during
this
adverse
time,
present
study
is
undertaken
assess
impact
of
on
Ankleshwar
Vapi,
Gujarat,
India.
AQI
obtained
Central
Pollution
Control
Board
assessed
for
phases.
We
compared
phase
with
coinciding
2019
determine
changes
pollutant
concentrations
lockdown,
analyzing
daily
six
pollutants
(PM
10
,
PM
2.5
CO,
NO
2
O
3
SO
).
A
meta-analysis
continuous
performed
mean
standard
deviation
each
phase,
their
differences
were
computed
percentage
comparison
2019;
along
linear
correlation
analysis
regression
relationship
among
trend
days.
results
revealed
patterns
gradual
rapid
reduction
most
2.5,
),
increment
ozone
concentration
observed
due
drastic
80.18%.
Later,
increases
other
also
restrictions
eased
phase-4
1.
between
two
cities
found
that
factors
like
distance
Arabian
coast
industrial
setups
played
vital
role
emission
trends.
