The PurpleAir PA-II sensor is very reliable. Three years ago we deployed 25 sensors throughout our region and they are all still running strong with high confidence.
James Lucas
I ordered a sensor last year to get accurate air quality readings in my neighborhood. The sensor works GREAT, customer service is GREAT, and I have no complaints. Highly recommend this product and company.
Patty Thomas
Brilliant company, responsive to customers' needs. The sensors are an excellent product and are gaining many fans in New Zealand.
While studies show that air quality in the US is significantly better than it was 50 years ago, the World Health Organization (WHO) is updating its standards of what acceptable air quality is.
With the WHO’s new safety guidelines of no more than 5 µg/m³ of particulate pollution, it seems that the vast majority of Americans (~97%) are at risk of unsafe levels of air pollution.
A quick search on the internet will reveal many different opinions and studies pointing in opposite directions. While controversial, it is good to be informed and read from trusted sources. Here you will find a summary of some studies and their opinion.
Pollution can enter your home in many ways and for various reasons. Wildfire smoke is one of the most recurrent reasons in areas where wildfires are frequent. To prevent you and your family from breathing polluted air, creating a “clean room” is a common practice.
