Local Environment Statistics and Facts Online
Where You Live (Enviromental Protection Agency)
Search for local environmental data from several databases.
ShakeMap Home Page (California Integrated Seismic Network)
Maps of the intensity of ground shaking available within 5 minutes after an earthquake.
Hydrologic Report (Los Angeles County Department of Public Works)
Data relative for precipitation, evaporation, runoff, erosion control, dam operation, water quality,etc.
Water Quality (Los Angeles Department of Water and Power)
Flood Map Viewer (Federal Emergency Management Agency)
Air Quality Data (South Coast Air Quality Management District)
See also: The California Almanac of Emissions and Air Quality and AIRNow's Local Air Quality Conditions & Forecasts.
Interactive City Maps (City of Los Angeles)
Links to LA GeoQuest and other mapping options.
California Environmental Information by Geographic Region (California Environmental Resources Evaluation System)
Environmental data available by county, bioregion, or watershed.
Street Tree Selection Guide (Los Angeles City Bureau of Street Services)
Community Information by Zip Code (Oviatt Library)
Includes Environmental Information by Zip Code.
An information service from Environmental Defense, this also provides county-level data on environmental issues.
RAND California Statistics (Oviatt Library subscription)
Numerous statistical databases on California, many of which include data at the city/county level.