IQAir AirVisual Indoor & Outdoor Monitor Bundle Detects PM1 PM2.5

The perfect combination to measure and compare your indoor and outdoor air quality. Both sensors report simultaneously to the IQAir AirVisual app for easy indoor and outdoor comparison. See how well your building protects you from outdoor air pollution and when to take action to ...The perfect combination to measure and compare your indoor and outdoor air quality.

Both sensors report simultaneously to the IQAir AirVisual app for easy indoor and outdoor comparison. See how well your building protects you from outdoor air pollution and when to take action to improve indoor air quality. Great for homeowners, businesses, schools, hotels, retirement homes and others.