Valley Fever at Work
The risk of Valley fever continues to rise for people who work or spend time outdoors as California experiences hotter, drier conditions and more frequent dust-producing weather. Valley fever develops when a person breathes in a fungus found in dry, disturbed soil that becomes airborne. Workers in agriculture, construction, fire prevention or other outdoor work should be aware of Valley fever.
Work-Related Valley Fever (Coccidioidomycosis) – Information for workers and employers on preventing work-related Valley Fever, including posters and fact sheets for the workplace, recorded webinars and trainings, newsletters and investigations.
Wildfire Smoke at Work

Wildfire smoke events are a growing challenge and create hazards for individuals who work outdoors and in high-smoke exposure jobs.
Wildfire Smoke Education Toolkit – Provides a train-the-trainer module (module 5) for community health workers and leaders to protect people from smoke on the job.
Program for Respirator Outreach, Training, Education, and Community Testing (PROTECT) - supports identifying jobsite hazards and strengthening preparedness so workers receive clear, practical guidance when smoke conditions worsen.
Vector-Borne and Zoonotic Diseases at Work

Emerging patterns of warmer temperatures and shifting seasons are creating more opportunities for ticks and rodents to spread disease in parts of California where workers spend time outdoors or in rural settings. Employers and workers in high-risk settings can take steps to protect health.
Pesticides at Work
Climate change-driven shifts in crop yield can push farms to rely more heavily on pesticides. ‑Recent findings from the International Labor Organization indicate that climate pressures can intensify pesticide use, underscoring the importance of clear, practical safety steps for those most exposed.
Occupational Pesticide Illness Prevention Program - Includes links to resources for people who mix, apply, or work near these chemicals.
Respiratory Protection at Work
During days when the air isn't safe to breathe at work, respirators can help. California workers may face smoke, dust, or other climate related air problems, and respirators offer important protection in these situations. We provide guidance to help workers understand what respirators are most protective for specific hazards, what employers need to know, and how to choose options that reduce exposure on the job.
How to protect yourself at work
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