By default, the Node/Pro displays only the AQI (Air Quality Index). In order to show PM2.5 concentration in µg/m3, go to the center button settings menu > 'Display' > 'Units' > 'PM2.5 concentration' > 'Display'.

The PM2.5 concentration in µg/m3 will then display on the screen below the AQI number.

Return to AirVisual Knowledge Base

Related news

Tout afficher

Smoke over a forest

Wildfire Smoke Air Quality Alert: Edmonton in top 10 most polluted Canadian cities

Is the air quality good in Edmonton? As of July 17, 2025, there is poor air quality across most of northern and central Alberta, Canda. Air quality ranges from “unhealthy for sensitive groups” to “unhealthy”. Many neighborhoods in Edmonton, Alberta...

Plus

Smoke over the Grand Canyon.

Wildfire Map Spotlight: North Rim Fires, Arizona

A historic lodge has been destroyed as a pair of wildfires burns along the Grand Canyon’s North Rim. Find out more about these fires.

Plus

Smoke rising over woods and plains

Wildfire Map Spotlight: Western Colorado Fires

Wildfires in western Colorado are causing evacuations as unhealthy wildfire smoke drifts across the state. Find out more about these fires.

Plus