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.
Several factors can negatively impact air quality during Thanksgiving, so it’s important to be thoughtful about how to maintain air quality during this time.
Knowing why air quality maps have different data helps you choose the most accurate one to trust. Here’s an in-depth explanation to understand discrepancies.