Air Quality Index Calculator

Calculate air quality based on pollutant concentrations.

Pollutant Data

Calculate Real-Time Air Quality Index from Pollutant Data

Our Air Quality Index Calculator helps you measure air quality using EPA-standard formulas and breakpoints.

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    EPA Standards

    Uses official EPA breakpoints and formulas.

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    Multiple Pollutants

    Calculate AQI for PM2.5, O₃, CO, and more.

  • 3

    Health Advisories

    Get health recommendations based on AQI.

Check Your AQI Level for PM2.5, O₃, CO, and More

Essential tool for environmental monitoring, public health, and air quality assessment.

  • 1

    Environmental Monitoring

    Track air quality in real-time.

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    Public Health

    Monitor health impacts of air quality.

  • 3

    Research

    Support environmental research.

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