New York

If you live in Westchester County, the air you breathe may put your health at risk.

Ozone

Particle Pollution 24-hour

Particle Pollution Annual

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

High Ozone Days
Ozone Grade: F How is my grade calculated?
Weighted Average 3.5 Change Since 2009:
3.2
3.5
fewer days this year
Particle Pollution - 24 Hour
Grade: INC How is my grade calculated?
Weighted Average: INC Incomplete data available for this pollutant for this county. Learn More.
Particle Pollution - Annual
Grade: INC How is my grade calculated?
Design Value INC Incomplete data available for this pollutant for this county. Learn More.
Groups At Risk
Total Population: 968,802 Risks to the population
Pediatric Asthma: 20,240 Risks to people with Asthma
Adult Asthma: 72,049 Risks to people with Asthma
COPD: 44,067 Risks to people with COPD
Cardiovascular Disease: 71,124 Risks to people with Cardiovascular Disease
Diabetes: 82,862Risks to people with Diabetes
Children Under 18: 224,333 Risks to children and teens
Adults 65 & Over: 149,600 Risks to older adults
Poverty Estimate: 92,933Risks to people with low incomes

The air you breathe needs your support.

You can make a difference in the air that you breathe.

Tell your friends about the air where you live.

  • Ranked 11 for high ozone days out of 220 metropolitan areas
  • Ranked 15 for 24-hour particle pollution out of 220 metropolitan areas
  • Ranked 14 for annual particle pollution out of 220 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

Westchester, NY

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Bergen, NJ
  • Bronx, NY
  • Carbon, PA
  • Dutchess, NY
  • Essex, NJ
  • Fairfield, CT
  • Hudson, NJ
  • Hunterdon, NJ
  • Kings, NY
  • Lehigh, PA
  • Litchfield, CT
  • Mercer, NJ
  • Middlesex, NJ
  • Monmouth, NJ
  • Monroe, PA
  • Morris, NJ
  • Nassau, NY
  • New Haven, CT
  • New York, NY
  • Northampton, PA
  • Ocean, NJ
  • Orange, NY
  • Passaic, NJ
  • Pike, PA
  • Putnam, NY
  • Queens, NY
  • Richmond, NY
  • Rockland, NY
  • Somerset, NJ
  • Suffolk, NY
  • Sussex, NJ
  • Ulster, NY
  • Union, NJ
  • Warren, NJ

ABCDFDNCINC
Particle Pollution - 24 Hour Learn More
Change Since

This County:

Westchester, NY

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Bergen, NJ
  • Bronx, NY
  • Carbon, PA
  • Dutchess, NY
  • Essex, NJ
  • Fairfield, CT
  • Hudson, NJ
  • Hunterdon, NJ
  • Kings, NY
  • Lehigh, PA
  • Litchfield, CT
  • Mercer, NJ
  • Middlesex, NJ
  • Monmouth, NJ
  • Monroe, PA
  • Morris, NJ
  • Nassau, NY
  • New Haven, CT
  • New York, NY
  • Northampton, PA
  • Ocean, NJ
  • Orange, NY
  • Passaic, NJ
  • Pike, PA
  • Putnam, NY
  • Queens, NY
  • Richmond, NY
  • Rockland, NY
  • Somerset, NJ
  • Suffolk, NY
  • Sussex, NJ
  • Ulster, NY
  • Union, NJ
  • Warren, NJ

ABCDFDNCINC
Particle Pollution - Annual Learn More
Change Since

This County:

Westchester, NY

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

  • Bergen, NJ
  • Bronx, NY
  • Carbon, PA
  • Dutchess, NY
  • Essex, NJ
  • Fairfield, CT
  • Hudson, NJ
  • Hunterdon, NJ
  • Kings, NY
  • Lehigh, PA
  • Litchfield, CT
  • Mercer, NJ
  • Middlesex, NJ
  • Monmouth, NJ
  • Monroe, PA
  • Morris, NJ
  • Nassau, NY
  • New Haven, CT
  • New York, NY
  • Northampton, PA
  • Ocean, NJ
  • Orange, NY
  • Passaic, NJ
  • Pike, PA
  • Putnam, NY
  • Queens, NY
  • Richmond, NY
  • Rockland, NY
  • Somerset, NJ
  • Suffolk, NY
  • Sussex, NJ
  • Ulster, NY
  • Union, NJ
  • Warren, NJ

PASSFAILDNCINC
Groups At Risk
Total Population: Risks to the population
Pediatric Asthma: Risks to people with Asthma
Adult Asthma: Risks to people with Asthma
COPD: Risks to people with COPD
Cardiovascular Disease: Risks to people with Cardiovascular Disease
Diabetes: Risks to people with Diabetes
Children Under 18: Risks to children and teens
Adults 65 & Over: Risks to older adults
Poverty Estimate: Risks to people with low incomes

More about Methodology.