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Episode Information

  • If DEC or a Local Air Quality Program has declared an Air Quality Episode:

    • Statewide
      • Read the Episode Announcement to see if open burning is prohibited
    • Inside the FNSB PM2.5 Nonattainment Area
      • Restricts use of all solid fuel burning devices
      • Stage 1 Alerts only allow households with waivers to use solid fuel burning devices
      • Stage 2 Alerts allow for only households with No Other Adequate Source of Heat (NOASH) waivers to use solid fuel burning devices
      • Open burning is prohibited regardless of alert status November 1st through March 31st

    If DEC or a Local Air Quality Program has declared an Air Quality Advisory:

    • Statewide
      • Open burning is prohibited
      • DEC will request voluntary action from permitted stationary sources in the area
      • DEC will publicize actions to protect public health

Inside the Fairbanks Nonattainment Area PM2.5 Episode Levels

- Amendment Adopted 12/8/2020 -

Incorporated by reference in 18 AAC 50.30 - (Link to: State Air Quality Control Plan Vol. II: III.D.7.12 Fairbanks Emergency Episode Plan (PDF))

Air Quality Episodes

IDEC will declare an air alert for the Fairbanks Nonattainment area, when the 24-hour average ambient air concentration of PM2.5 has or is likely to exceed the health based episode thresholds. See table.

Air Quality Advisories

DEC may declare an air quality alert for the Fairbanks Nonattainment area, when PM2.5 air quality or atmospheric dispersion conditions threaten public health.

Fairbanks Nonattainment Area PM2.5 Episode Levels

Episode Type 24-hour Average PM2.5 Level (micrograms per cubic meter)
Stage 1 Air Alert 20 (24-hour average)
Stage 2 Air Alert 30 (24-hour average)

Statewide PM2.5 Episode Levels

- Effective 02/28/2015 -

I18 AAC 50.246 - Air Quality Episodes and Advisories for PM2.5 (Link to: Air Quality Advisories / Episodes)

Air Quality Episodes

IDEC or an authorized local air quality control program will declare an air quality episode when the 24-hour average ambient air concentration of PM2.5 has or is likely to exceed the health based episode thresholds. See table.

Air Quality Advisories

DEC or an authorized local air quality control program may also declare air quality advisories when PM2.5 air quality or atmospheric dispersion conditions threaten public health.

Statewide PM2.5 Episode Levels

Episode Type 24-hour Average PM2.5 Level (micrograms per cubic meter)
Air Alert 35.5 (24-hour average)
Air Warning 55.5 (24-hour average)
Air Emergency 150.5 (24-hour average)

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