National Park Service

Air Resources






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

NPS » Explore Nature » Air Resources

Hawai'i Volcanoes National Park

  • View of Halema'uma'u Crater
    Looking Southwest
  • Air Data
    & Weather
  • NPS Air
    Webcams
View of Halema'uma'u Crater, Looking Southwest
Health Advisories
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.

AQI Sulfur Dioxide



Air Pollution Data
Visitor Center updated 05/23/2013 01:00 AM HST
Pollutant Measurement Current Today's
Maximum		 Yesterday's
Maximum
SO2 15-minute average 0 ppm 0.01 ppm 0.01 ppm
SO2 1-hour average 0 ppm 0.004 ppm 0.092 ppm
PM2.5 24-hour average 0.8 μg/m3 — 13.4 μg/m3
PM2.5 1-hour average 4.7 μg/m3 4.9 μg/m3  5.6 μg/m3

Jaggar Museum  updated 5/23/2013 1:00:00 AM
Pollutant Measurement Current Today's
Maximum		 Yesterday's
Maximum
SO2 15-minute average 0 ppm 0.011 ppm 0.903 ppm
SO2 1-hour average 0 ppm 0.005 ppm 0.536 ppm
PM2.5 24-hour average 9.5 μg/m3 — 49.1 μg/m3
PM2.5 1-hour average 15.7 μg/m3 15.7 μg/m3 15.1 μg/m3

*Sulfur Dioxide (SO2) is measured in parts per million (ppm)
**Particulate Matter (PM2.5) is measured in micrograms per cubic meter (μg/m3)




Weather updated 05/23/2013 01:00 AM HST

Parameter Visitor Center Jaggar Museum
Current temperature  59 F   60 F 
Yesterday's minimum temperature  56 F   57 F 
Yesterday's maximum temperature  70 F   72 F 
Current relative humidity  103 %   99 % 
Yesterday's maximum relative humidity  76 %   67 % 
Yesterday's maximum relative humidity  105 %   103 % 
Current wind speed  2 mph    unavailable  
Current wind direction NNE
Current solar radiation 0 watts/m 2 unavailable
Precipitation in last hour  0.00 in.   0.00 in. 
Precipitation since midnight  0.00 in.   0.00 in. 
Yesterday's precipitation  7.80 in.   6.70 in. 

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Current Air Quality »
Park wide advisory
Sulfur Dioxide - SO2
updated 05/23/2013 01:00 AM HST
The Sulfur Dioxide Alert Level is: 1 air quality index (AQI) for Sulfur Dioxide and Particulate Matter from good to hazardous The Particulate Matter Alert Level is: 1
Particulate Matter - PM2.5
updated 05/23/2013 01:00 AM HST
  • See more air data »
    • Current Weather »
    at the Visitor Center
    updated 05/23/2013 01:00 AM HST
    Temperature
    59 F

    Humidity
    103 %

    Wind
    NNE-2 mph

    Precipitation - 1 hr
    0.00 in.

  • See more weather data »
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