California wildfire smoke protection regulation (Title 8 §5141.1). PM2.5-specific AQI standard.
Open Cal/OSHA Protection from Wildfire Smoke (Title 8 §5141.1) in the interactive Guidance Wiki →
No standalone formula is published for this standard; see programmable logic and parameters below.
| AQI for PM2.5 | Respirator requirement |
|---|---|
| 150 | AQI for PM2.5 below Cal/OSHA §5141.1 trigger (151). |
| 151.1 | Voluntary — AQI for PM2.5 ≥151 (respirator voluntary) |
| 500.1 | Full RPP — AQI for PM2.5 above 500 (respirator mandatory) |
Wildfire smoke overlays are excluded from the work/rest composite and are never averaged with WBGT-based standards.
Required inputs: none
Optional inputs: aqiPm25, pm25ugm3, usStateCode, wildfireSmoke, outdoor, filteredIndoorAir
This standard was added to the calculator.
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