California

If you live in San Luis Obispo 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: 10.0 Change Since 1996:
28.7
10.0
fewer days this year
Particle Pollution - 24 Hour
Grade: B How is my grade calculated?
Weighted Average: 0.7 Change Since 2000:
1.8
0.7
fewer days this year
Particle Pollution - Annual
Grade: Pass How is my grade calculated?
Design Value 7.7 Change Since 2000:
9.9
7.7
µg/m3
Groups At Risk
Total Population: 271,969 Risks to the population
Pediatric Asthma: 3,576 Risks to people with Asthma
Adult Asthma: 18,706 Risks to people with Asthma
COPD: 10,595 Risks to people with COPD
Cardiovascular Disease: 71,152 Risks to people with Cardiovascular Disease
Diabetes: 19,343Risks to people with Diabetes
Children Under 18: 49,943 Risks to children and teens
Adults 65 & Over: 42,541 Risks to older adults
Poverty Estimate: 38,626Risks 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 25 for high ozone days out of 277 metropolitan areas
  • Ranked 92 for 24-hour particle pollution out of 277 metropolitan areas
  • Ranked 189 for annual particle pollution out of 277 metropolitan areas

Compare Your Air



High Ozone Days Learn More
Change Since

This County:

San Luis Obispo, CA

Other counties with monitors in this metropolitan area

There are no other counties in this metropolitan area

What is my length? 1

    ABCDFDNCINC
    Particle Pollution - 24 Hour Learn More
    Change Since

    This County:

    San Luis Obispo, CA

    Other counties with monitors in this metropolitan area

    There are no other counties in this metropolitan area

      ABCDFDNCINC
      Particle Pollution - Annual Learn More
      Change Since

      This County:

      San Luis Obispo, CA

      Other counties with monitors in this metropolitan area

      There are no other counties in this metropolitan area

        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.