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Necessary cookies are absolutely essential for the website to function properly. Sample question: Which downwind areas experienced elevated PM 2.5 concentrations during the Tubbs Fire in fall 2017? For example, a fire which started on and ended on would be included when filtering from -, but would not when filtering from. Note that when filtering fires for inclusion, fire start date is used. Use the date filter at right to select your time period of interest. Hover over a fire to see its name, date started, and acres burned. Air monitors change size as PM 2.5 concentration increases. Environmental Protection Agency Daily PM 2.5 Pre-Packaged Data). Use the below map to see which fires burned over any given period of time and to see what the 95th percentile concentration of fine particulate matter (PM 2.5) was at air monitors throughout the state (Source data: CAL FIRE Open Data Hub Wildfire Perimeter Shapefile, U.S. This is especially true where large human populations live downwind of high fire-risk areas, and was exemplified by the very high concentrations of particulate matter and other pollutants above much of Northern California during the Camp Fire in 2018. Though the above chart highlights some of wildfire’s most acutely felt effects such as loss of homes and lives, fires may also affect public health through less direct means such as adverse impacts on air quality. Sample question: How many of California’s most damaging fires occurred in the last 20 years?
Hover over a circle for the fire’s name, along with the statistics that drove its placement, size, and color. Larger circles correspond with fires with more fatalities. Darker circles indicate more destructive fires by structures damaged or destroyed. Year of ignition is plotted on the x-axis.
We used CAL FIRE data on the State’s deadliest, largest, and most destructive wildfires to visualize trends in exceptional fire events. While these trends are partially driven by more fires, exceptional events also play a role. Separately, CAL FIRE Redbook data suggest recent increases in annual fire-related deaths and structures damaged or destroyed by wildfires. "Know Your Zone" Be prepared and look up your Zone by visiting ZoneHaven here.Based on analysis of the wildfire perimeter data presented in the above map and data from the National Interagency Fire Center, California has seen an overall upward trend in annual acres burned since 1970. Zonehaven will provide traffic in real-time, identify where possible evacuation centers will be located and use the latest wildfire information provided by incident commanders on the scene as any wild fire event unfolds. During an emergency the Zone number will be provided along with clear evacuation instructions. A resident need only to know their Zone identification number to know if they need to evacuate and when it is safe to repopulate. Each zone has a corresponding number on the map. Zonehaven works by breaking the entire City of Calistoga into “Zones”. This will allow for regional coordination when evacuation is necessary for multi-county natural disasters, including wildfires. Zonehaven has been adopted by neighboring Sonoma County as well.
Zonehaven will also allow more fluid coordination with Napa County agencies such as the Napa County Sheriff’s Department, Cal Fire and Napa County Office of Emergency Services. In addition, the web interface incorporates Zonehaven, which enables Calistoga to coordinate wildfire evacuation plans with other Napa County agencies. In addition, it incorporates high wind areas, and interface zone adjustments, and evaluates areas that are susceptible to embers, smoke and evacuation in combination with flame encroachment exposure. Factors such as parcel density, road system complexity and distance to fire stations are incorporated into the final hazard ratings. The model’s core is the evaluation of the built environment. The 2021 No-HARM Mapping Tool prepared for the City of Calistoga evaluates wildfire risk in the entire area served by the Calistoga Fire Department.
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