CPSC Recall in 2019: PurpleAir Recalls Power Supply Units for Air Sensors Due to Fire and Burn Hazards

Updated on March 25, 2026.

See the recall details below. You can also see similar information for other consumer product recalls in 2019.

Data Source: CPSC.

Recall Number: 19-064

Date: February 14, 2019

Product Name: PowerStream Power Supply Units for Air Sensors

Recall Description:

This recall involves power supply units sold with PurpleAir PA-II and PA-II- SD air quality sensors with model number RKPO-UL052000C. The model number is located on the bottom side of the power adapter. The power adapters are black with a white label. They measure 4 inches long (including the mounting tabs) by 1-7/8 inches wide by 1-3/8 inches high.  The air quality sensors are used outdoors by consumers to monitor air quality.

Hazard Description:

The power supplies can overheat, posing fire and burn hazards.

Consumer Action:

Remedy Type:

Replace

Units: About 4,200 sold in the United States (in addition, about 172 were sold in Canada)

Incidents:

PurpleAir has received 27 reports of the recalled power supplies emitting sparks and/or smoke of which 18 are reports of property damage, including one report of a small apartment fire. No injuries have been reported.

Sold At:

Online at www.purpleair.com and as free giveaways in communities from October 2017 to August 2018 for about $230 to $260.  

Manufactured In:

China