New York - New Jersey - Connecticut

Ulster

Tolland

Hartford

Litchfield

Dutchess

Sullivan

^x^jCgrinecticut

Middlesex

New Haven

Putnam

Orange

Westchestei

Fairfield

:ockland

Morris

Suffolk

EssexHud-

Nassau

lueens

Hunterdon

;omerset

Lehigh

Middlese:

Berks

Bucks

Mercer

Monmouth

Montgomery

Lancaster

Philadelphia

Chester

Delaware

Ocean

Burlington

Camden

iloucester

ew CastleSalem

Atlantic

Cumberland

len Annes

Delaware

Philadelphia-Wilmington,
PA-NJ-DE

Maryland

NewYork-N. New Jersey-Long Island,
NY-NJ-CT

Miles

PM-2.5 Nonattainment Areas
in blue border

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