User Perspectives: User Perspectives: Air Quality Air Quality

Mark EvangelistaMark Evangelista

NOAA Air Resources LaboratoryNOAA Air Resources Laboratory

Regulatory Programs that Regulatory Programs that Could Benefit from Urban Test Could Benefit from Urban Test BedBed• Air Quality Related ValuesAir Quality Related Values

• Attainment of NAAQSAttainment of NAAQS

• Air Toxics and Acid RainAir Toxics and Acid Rain

• Air Quality ForecastingAir Quality Forecasting

• Climate ChangeClimate Change

Improving ATD in Fine Improving ATD in Fine ScalesScales

• Model/technique evaluation from Model/technique evaluation from regional scales to 1-4 km scale.regional scales to 1-4 km scale.

• Boundary layer fluxesBoundary layer fluxes

• Urban canopy studiesUrban canopy studies

• Small eddies – turbulent effectsSmall eddies – turbulent effects

• Effects of Forest Fires Effects of Forest Fires

• Plume risePlume rise

Needs Specific to Urban Needs Specific to Urban EnvironmentEnvironment

• Effects of urban sources on regional-Effects of urban sources on regional-scale receptorsscale receptors

• Effects of rural/regional sources on Effects of rural/regional sources on urban receptors.urban receptors.

• Effects of urban sources on urban Effects of urban sources on urban receptors (sub-grid analyses)receptors (sub-grid analyses)

• Coastal urban areas – fine scale data to Coastal urban areas – fine scale data to support coastal model development.support coastal model development.

• Urban morphologies and land-use Urban morphologies and land-use studies.studies.

Example:Example:Effects of urban Effects of urban sources on urban sources on urban receptors within the receptors within the modeled grid cell.modeled grid cell.

P

ug

et

So u

nd

Receptor Concentrations (Annual PM2.5).04 .25 1 2 4 6 17

0 8 164Kilometers

Area of Study

Boise

Salem

Portland

Vancouver

Seattle, WA

OR

CANV

ID

MT

CANADA

A

B

CC

DDEE

FF

GG

HH

LegendLegendPlants (Annual PM2.5 Emissions)

< 81

82 - 243

244 - 729

730 - 2187

> 2187

(tons)

IFRM Monitor Sites

ABCDEFGH

AIRS ID

530670013530530029530332004530330057530330080530330037530330024530610005

I 530611007