For more information about National Park Service air resources, please visit http://www.nature.nps.gov/air/.


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Health Advisory Information

Visit the Current Conditions Website to find out about current conditions and the health advisory level. Short term exposure to high levels of sulfur dioxide (SO2) and particulate matter (PM2.5) can be harmful to human health at Hawai'i Volcanoes NP. These conditions occur naturally as a result of ongoing volcanic activity. USGS and NPS equiptment measures air quality in numerous locations around the park. Data from all of these these locations are used to create the advisory level. Specific information from two monitoring sites is presented below.

  • Good
  • Moderate
  • Unhealthy for Sensitive Groups
  • Unhealthy
  • Very Unhealthy
  • Hazardous

Meaning of Advisory Colors | Sulfur Dioxide Health Effects | Particulate Matter Health Effects

Sulfur Dioxide (SO2) at

CURRENT 1-Hour Average

CURRENT 15-Minute Average

  • 0
    Good
  • 0.1
    Moderate
  • 0.2
    Unhealthy for Sensitive Groups
  • 1.0
    Unhealthy
  • 3.0
    Very Unhealthy
  • 5.0
    Hazardous

View Scale Definitions »

Pollutant Measurement Hourly Average
15-Minute Average
SO2 Current
SO2 Maximum Today
SO2 Maximum Yesterday

SO2 is measured in parts per million (ppm).

Data collected at

Sulfur Dioxide Health Effects | 10-Day History | Data Disclaimer

Sulfur Dioxide (SO2) at

CURRENT 1-Hour Average

CURRENT 15-Minute Average

  • 0
    Good
  • 0.1
    Moderate
  • 0.2
    Unhealthy for Sensitive Groups
  • 1.0
    Unhealthy
  • 3.0
    Very Unhealthy
  • 5.0
    Hazardous

View Scale Definitions »

Pollutant Measurement Hourly Average
15-Minute Average
SO2 Current
SO2 Maximum Today
SO2 Maximum Yesterday

SO2 is measured in parts per million (ppm).

Data collected at

Sulfur Dioxide Health Effects | 10-Day History | Data Disclaimer

Particulate Matter (PM2.5) at

CURRENT 1-Hour Average

CURRENT 15-Minute Average

  • 0
    Good
  • 52
    Moderate
  • 105
    Unhealthy for Sensitive Groups
  • 160
    Unhealthy
  • 407
    Very Unhealthy
  • 670
    Hazardous

View Scale Definitions »

Pollutant Measurement Hourly Average
15-Minute Average
PM2.5 Current
PM2.5 Maximum Today
PM2.5 Maximum Yesterday

Particulate Matter is measured in micrograms per cubic meter of air (ug/m3).

Data collected at

Particulate Matter Health Effects | 10-Day History | Data Disclaimer

Particulate Matter (PM2.5) at

CURRENT 1-Hour Average

CURRENT 15-Minute Average

  • 0
    Good
  • 52
    Moderate
  • 105
    Unhealthy for Sensitive Groups
  • 160
    Unhealthy
  • 407
    Very Unhealthy
  • 670
    Hazardous

View Scale Definitions »

Pollutant Measurement Hourly Average
15-Minute Average
PM2.5 Current
PM2.5 Maximum Today
PM2.5 Maximum Yesterday

Particulate Matter is measured in micrograms per cubic meter of air (ug/m3).

Data collected at

Particulate Matter Health Effects | 10-Day History | Data Disclaimer

Visibility & Weather at

Visibility

Yesterday:

MAX

MIN

Wind

Temperature

Yesterday:

MAX

MIN

Humidity

Yesterday:

MAX

MIN

Precipitation

Total Precipitation:

Today

Yesterday



Data collected at

Weather 10-Day History | Data Disclaimer

Visibility & Weather at

Visibility

Yesterday:

MAX

MIN

Wind

Temperature

Yesterday:

MAX

MIN

Humidity

Yesterday:

MAX

MIN

Precipitation

Total Precipitation:

Today

Yesterday



Data collected at

Weather 10-Day History | Data Disclaimer

Park Wide Air Quality

Current Weather