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  • Protect workers from wildfire smoke in accordance with Cal/OSHA section 5141.1
  • Complete monitoring kit including digital real-time monitor, sensor, and carry case
  • Trigger alarms when smoke levels reach actionable limits
  • Protect workers from other pollutants of concern e.g. CO, ozone, nitrogen dioxide
  • Manufactured, calibrated and supported by industry leaders, Aeroqual.


  • Monitoring smoke levels during wildfires
  • Personal exposure checks
  • Occupational health and safety compliance
  • Checking wildfire air pollution “hotspots”


The Cal/OSHA Wildfire Smoke Monitoring Kit is for employers, health and safety managers, and air quality professionals, who need to monitor the concentration of airborne particles emitted by wildfire smoke – in accordance with Cal/OSHA section 5141.1, Protection from Wildfire Smoke or other similar regulations (such as Oregon OSHA Wildfire Smoke rules.)

The kit includes the following sensors: particulate matter (PM) sensor (PM2.5 /PM10), and a combined temperature and relative humidity sensor.

What makes Aeroqual different is the attention to data quality that we design in to all our instruments. Combined with the Series 300 monitor the PM sensor offers the following benefits:

  • Active precision active sampling 
  • Fast T90 response time 
  • Humidity compensation 
  • K factor adjustment 

Together, these features allow the PM sensor head to deliver surprisingly accurate real-time data when compared to instruments that cost 20-30 times more. In head to head field tests with traditional EPA-approved analyzers, the PM sensor has shown r2 correlations of 0.84 (PM2.5 ) and 0.81 (PM10).

In addition to wildfire smoke, responsible employers may wish to monitor other pollutants of interest. For example, ozone, nitrogen dioxide, carbon monoxide. The Kit can be expanded to measure up to 27 other pollutants that may be putting workers at risk.

For specific information on how to comply with Cal/OSHA section 5141.1, Protection from Wildfire Smoke, please read the following blog:

Cal/OSHA Wildfire Smoke Regulation

For advice on monitoring equipment to suit your application please contact us.

  • Series 300 Monitor base including: LCD digital display, Lithium battery and charger
  • Particulate Matter Sensor PM10/PM2.5
  • Temperature & Humidity Sensor
  • Small Carry Case
  • Industrial Enclosure for Portable Monitors

    Industrial Enclosure For Air Quality Monitors

  • Large portable monitor carry case

    Large Portable Monitor Carry Case

  • Temperature & Humidity Sensor

    Temperature & Humidity Sensor

  • Lithium Battery Pack

    Lithium Battery Pack

  • Small portable monitor carry case

    Small Portable Monitor Carry Case

  • Aeroqual Handheld Wall Bracket

    Wall Bracket

  • IP41 Remote Sensor Kit

  • Remote Sensor Kit

    Remote Sensor Kit

  • Cigarette Light Adaptor

    Cigarette Light Adaptor

  • Calibration Accessory

    Calibration Accessory

If you have a question about this product, it may be covered in the FAQs section.

These cover the most common questions you may have when deciding if this is the right product solution for your air monitoring requirements.

If you can’t find what you’re looking for, please get in touch and our team will respond within 48 hours.

Cal OSHA Wildfire Air Quality Monitor Kit

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