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Curtailment Details

Air Quality Alert Stages

Stage 1 Alert

During a Stage 1 Alert – when the 24-hr rolling average monitored concentration is 25 micrograms per cubic meter or above, use of all solid-fuel burning devices is suspended until the Alert is cancelled or expired. The Alert announcement will have the expected expiration time unless renewed. The only solid fuel-fired devices that are allowed to operate during a Stage 1 are:

  • Devices with a current DEC Stage 1 waiver
  • Devices with a current DEC NOASH waiver
  • Exceptions listed in the alert announcement

Stage 2 Alert

During a Stage 2 Alert – when the 24-hr rolling average monitored concentration is 35 micrograms per cubic meter or above, use of all solid-fuel burning devices is suspended until the Alert is cancelled or expired. The Alert announcement will have the expected expiration time unless renewed. The only solid fuel-fired devices that are allowed to operate during a Stage 2 are:

  • Devices with a current DEC NOASH waiver
  • Exceptions listed in the alert announcement

Questions and Answers

(common Questions and Answers will be added to this page)

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What type of exceptions could be added to an Air Quality Alert?
If there was a power outage within the nonattainment area, the Alert could indicate that those affected by the outage would be exempted from the curtailment. Exceptions are intended to be specific to the Alert announced at that specific date and time.

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