WEBVTT FILE

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We have a number of residents,
particularly residents living

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near warehouse environments that
experience poor air quality on a

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daily basis. And when

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you have a health condition or
are sensitive, you don't want

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that kind of pollution in your
house.

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The best solutions are data
driven. When people are given

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the right data, they will make
the right decisions for my

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community, and communities
across Chicago and the region.

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So NASA has this new initiative,
and it's called Earth science to

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action. And part of what we're
doing is we want to understand

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the sources of air pollution and
how it gets transported in the

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atmosphere. And these
stakeholders are able to make

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the air safer to breathe. Ground
level ozone, it physically burns

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your lungs. NO2 is a toxic gas.
It is linked with pediatric

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asthma. PM2.5-- the small
particles you breathe in,

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they're small enough that they
can go through your lungs into

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your bloodstream. TEMPO stands
for Tropospheric Emissions

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Monitoring of Pollution, it will
measure air pollution over North

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America, every daylight hour,
this is really going to be a

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game changer helping us
understand pollution at the

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neighborhood scale.

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Today's a really exciting day
for both NASA and NOAA. Today,

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the TEMPO satellite started its
first scans of North America.

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We've got three aircraft in the
air flying over Chicago, got

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dozens of instruments on the
DC-8, getting the in situ levels

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of air pollutants and greenhouse
gases. And then flying above us

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right now is the P3 in the G5
with remote sensing payload

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decks. It's a very exciting day,
historic day. We've been waiting

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over a decade, for the TEMPO
instrument to start collecting

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data.

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You know, you build a satellite,
it takes years to build it and

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you test it in the lab, but you
never know if it's going to

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work. When you ship it across
the country, you put it on a

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rocket, you launch it into
space. And so yesterday we found

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out that TEMPO really is going
to be able to measure air

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quality over North America. One
of the exciting things about

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this AEROMMA STAQS field
campaign is going to help us

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calibrate and validate the TEMPO
satellite. So while we're

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flying, both the remote sensing
and the sensors that are

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measuring what's in the
atmosphere down low, TEMPO is

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scanning overhead. And so we're
going to use that data to help

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improve the precision and
accuracy of the TEMPO satellite.

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We're on an airbase Wright
Patterson Air Base in Dayton,

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Ohio. There's jets taking off
and transports taking off and we

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have hundreds of people here. We
want to understand the sources

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of air pollution and how it gets
transported in the atmosphere.

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And what's wonderful is we'll
work with our partners at EPA

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and NOAA to help make sure that
NASA and these stakeholders are

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able to make the air safer to
breathe.

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If there's one takeaway from
this mission, what we want to

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learn is how can satellites help
us address air quality issues.

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We have this new asset into
space with TEMPO, and it will be

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operating over the next few
years. So this is a pathfinder

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for us to integrate these types
of measurements into air quality

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decision making. So there's a
lot of people that are doing

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research in the community. And
as we partner up and put our

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assets together, we can actually
do something bigger than any

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individual component could do
alone.

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Right now in the United States,
EPA has air pollution monitors

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in certain neighborhoods around
the US but we don't know the air

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pollution in every neighborhood.
The TEMPO satellite is going to

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get every hour during the
daytime. We'll see how pollution

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changes from the morning to the
afternoon to the evening we'll

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see pollution get transported
from one neighborhood to another

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and we'll be able to see where
we don't currently have monitors

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so we'll get a good picture of
environmental inequalities.

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Factories, industrial centers,
intermodal facilities, transport

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hubs, warehouses— all of these
facilities have higher emissions

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than other locations in the
city. Certain communities don't

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have the ability to influence
decisions on where these

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facilities are located. Because
of that many of these facilities

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are located in disadvantaged
communities and which is an

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environmental justice issue in
the city. One of the interesting

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things about Chicago is that
we're rapidly advancing our

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ability to characterize air
quality in the city. And one of

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the things we're learning is
that the observations that we

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have don't necessarily agree
with the lived experience of

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some of the residents in the
city.

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My family members, we all have
asthma. And so air quality is

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really important because we live
in a hot climate and that you

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want to open up your windows.
But you know, if you open up

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your windows, not only are you
going to get wind, but you're

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going to get polluted wind. And
when you have a health condition

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or are sensitive, you don't want
that kind of pollution in your

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house. Your house is your sacred
space that where you can be

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joyful and well in.

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Chicago happens to be the the
largest freight hub in North

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America, which means we have a
whole bunch of heavy duty

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vehicles coming through a number
of warehouses, and as they sit

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and idle, they'll be polluting
in their environments. And if

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you happen to be a resident in a
warehouse environment, you're

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going to be exposed to that much
more pollution.

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We have adjacent communities,
they have much higher street

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traffic from trucks, and the
pollution there is off the hooks

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and you just walking down the
street, you see truck after

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truck after truck. And so those
are in underserved

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neighborhoods, they have to live
with a high level of day to day

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pollution, it doesn't take
Canada being on fire for them to

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Air quality in Chicago is a
complex news story, because it

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suffer.

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doesn't affect everybody
equally. For one thing, there

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are two major things that lead
to bad air quality in Chicago,

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you've got locally generated
emissions, the interaction with

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sunshine, which leads to ozone
and particulate matter. But as

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we've seen, especially this
year, you have non locally

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driven air quality issues such
as that that comes from the

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Canadian wildfires. So TEMPO is
an amazing instrument. When we

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talk about both climate models
that DOE runs and spaceborn

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missions that NASA runs. It's
like your digital camera. It's

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getting higher and higher in
resolution. That's why we are

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partnering with the AEROMMA and
STAQS missions over Chicago,

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we're really creating actionable
data that will really make a

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difference in people's lives.

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I am really impressed with how
much big data has allowed us to

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really drill down and really
understand our community. When

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you go and ask for policy and
fiscal support to have the

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science with it. So it's not
just what we think. But it's

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what we know.

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We have TEMPO working we know
it's working. We have AEROMMA

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and STAQS datasets that are
going to help us calibrate it.

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And in October, the data is
going to be flowing into the

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NASA atmospheric science data
center. And so that will be

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publicly available to anyone in
particular, we know that our

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partners at the EPA and NOAA are
excited to use this data to

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understand air pollution in the
United States but also be able

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to use it to improve the air
quality forecast.