United States Cities AQI Hourly Conditions & Forecast
AQI Hourly Report for: Placerville, California
Hourly Conditions for Placerville
Air Quality Index (AQI)
Observed At Time: 16:00 PDT
 Current AQI: 97  
MODERATE
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.


0-50 Good
51-100 Moderate
101-150 Unhealthy for Sensitive Groups
151-200 Unhealthy
201-300 Very Unhealthy
301-500 Hazardous
Today's High Forecast
Air Quality Index (AQI)
 Today's AQI High: 122 
Health Message: Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy exertion outdoors.
  
Tomorrow's High Forecast
Air Quality Index (AQI)
 Tomorrow's AQI High: 126 
Health Message: Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy exertion outdoors.
AQI Forecast Discussion
Forecast Discussion: Friday, warmer temperatures and mostly sunny skies will increase ozone production in the Sacramento area. In addition, lighter onshore winds will reduce dispersion, and wildfire smoke will be transported into the region, increasing particle concentrations and enhancing ozone formation. Therefore, ozone levels will be Unhealthy for Sensitive Groups. Saturday is a Spare The Air day in the Sacramento region. An upper-level ridge of high pressure will move over northern California, reducing mixing and producing mostly sunny skies with temperatures in the upper-90s. In addition, wildfire smoke will continue to impact the region. These conditions will enhance ground-level ozone formation, causing ozone levels to be Unhealthy for Sensitive Groups. Sunday, warm temperatures and mostly sunny skies will continue to support ozone production. Furthermore, light winds will limit dispersion, and lingering smoke will remain in the Sacramento region. Therefore, ozone levels will be Unhealthy for Sensitive Groups.
  Note: Data is typically unavailable during night time hours for most locations.

Current Hourly Air Quality Index Map

AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous
Today's Air Quality Forecast

AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous
Today's Air Quality Timed Animation

AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous
Today's U.S. AQI Combined PM & O3 Timed Animation

AQI: Good AQI: Moderate AQI: Unhealthy for Sensitive Groups AQI: Unhealthy AQI: Very Unhealthy AQI: Hazardous