Hawai‘i Volcanoes National Park

Current Air Quality

24-hour history of sulfur dioxide (SO2) and particulate matter (PM2.5) conditions.

Data Disclaimer

Air quality and weather data are typically displayed on this web page within 15 minutes (1 hour for Jaggar Museum and Kīlauea Visitor Center Parking Lot PM2.5) of their collection. As a result, data quality is not guaranteed for scientific and regulatory purposes and data may be revised at a later time.

Sep 2, 2015 | 2:00 pm HST

« Scroll left or right on the graphs below to see more history »

Kīlauea Visitor Center - Sulfur Dioxide (SO2)

Kīlauea Visitor Center - Particulate Matter (PM2.5)

Kīlauea Visitor Center (Parking Lot) - Sulfur Dioxide (SO2)

Kīlauea Visitor Center (Parking Lot) - Particulate Matter (PM2.5)

Nāmakanipaio Campground - Sulfur Dioxide (SO2)

Nāmakanipaio Campground - Particulate Matter (PM2.5)

Kahuku Facilities - Sulfur Dioxide (SO2)

Kahuku Facilities - Particulate Matter (PM2.5)

Kahuku Cross Fence - Sulfur Dioxide (SO2)

Kahuku Cross Fence - Particulate Matter (PM2.5)

Steam Vents - Sulfur Dioxide (SO2)

Kealakomo Overlook - Sulfur Dioxide (SO2)

End of Chain of Craters Road - Sulfur Dioxide (SO2)

Devastation Trailhead - Sulfur Dioxide (SO2)

Thurston Lava Tube - Sulfur Dioxide (SO2)

Jaggar Museum - Particulate Matter (PM2.5)

Pu'uhonua O Hōnaunau Nat. Hist. Park - Particulate Matter (PM2.5)

Kaloko-Honokōhau Nat. Hist. Park - Particulate Matter (PM2.5)

SO2 recorded every 15 minutes, PM2.5 recorded hourly.

Air Quality Advisory Scale Key:

  • Good

  • Moderate

  • Unhealthy for Sensitive Groups

  • Unhealthy

  • Very Unhealthy

  • Hazardous