Indicators of climate change in California
Office of Environmental Health Hazard Assessment
Last updated 11/02/2026
Description
OEHHA publishes a report presenting indicators that track observed changes in the state’s climate and its impacts. Collectively, the indicators portray a statewide picture of climate change in California; reports on how certain Tribal Nations have experienced climate change are also presented.
Phone: 916-324-7572
Related services
Check heat conditions Children's Environmental Health Guidance Health effects of pesticides Safe drinking water public health goals Understand harmful chemical warnings
Topics
Education, Health and wellness, Safety and emergencies, State info and laws
Keywords
salmon, aeroallergens, agricultural pests, agriculture, atmospheric rivers, black carbon, bluetongue, bumble bee, butterflies, coastal ocean temperatures, copepods, degree days, dissolved oxygen, drought, extreme heat, fog, forests, fruits, glaciers, greenhouse gases, harmful algal blooms, heat illness, heat morbidity, heat mortality, indicators, infectious disease, lake water, lightning, marine heat waves, mosquitoes, nuts, ocean acidification, ocean warming, precipitation, range shifts, river water, runoff, sea level, sea lions, short-lived climate pollutants, small mammals, snow water, snowmelt, temperature, tree mortality, trees, Valley Fever, vector-borne diseases, vegetation, warming, West Nile Virus, wildfire smoke, wildfires, winter chill, wintering ranges, woodlands, climate change