Air Stagnation Advisory:
- ...Air stagnation advisory remains in effect until 4 am PST Wednesday...
- air quality...poor ventilation will result in a build up of pollutants near the surface. Minor improvements in air quality will be possible Tuesday night through Thursday...but most areas will not see improvement until a cold front arrives Friday.
- Timing...through Friday morning.
- Impacts...prolonged periods of stagnant air can hold fine particulates close to the ground and degrade air quality. Precautionary/preparedness actions... An air stagnation advisory indicates that due to limited movement of an air mass across the advisory area...pollution has the potential to increase to dangerous levels. Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution. During periods of stagnant air...state air quality agencies highly recommended that no outdoor burning occur and that residential wood burning devices be limited as much as possible. According to state air quality agencies...prolonged periods of stagnant air can hold pollutants close to the ground...where people live and breathe.