Air Quality Conditions
Air quality directly impacts your quality of life.
What do we do?
Mesa County Public Health constantly monitors air quality with forecast models, measurement tools, and observation.
Our team uses this data to inform community members and future policies.
What is Air Quality?
Air quality is measured by a system called Air Quality Index (AQI). It was developed by the Environmental Protection Agency (EPA) to assign a number to the air quality.
This system takes four major air pollutants into account, ground-level ozone, particle pollution, carbon monoxide, and sulfur dioxide. The higher the AQI, the greater the level of air pollution.
Realtime Air Quality Conditions
The map below is generated by PurpleAir. Volunteers place these air sensors on their businesses or homes.
Understand the Scale
The higher the Air Quality Index (AQI) value, the greater the level of air pollution and the greater the health concern. The AQI is divided into six (6) categories as listed below. Each category corresponds to a different level of health concern.
- Green – good
- Yellow – moderate
- Orange – unhealthy for sensitive groups
- Red – unhealthy
- Purple – very unhealthy
- Maroon – hazardous
The Air Quality Index above is also useful, but only monitors several County-wide sensors.
Official State AQI
You’re looking at the AQI as measured by the State of Colorado here in the Grand Valley.
Air Quality Camera Views
You’re looking at real-time visibility. The location is listed on the top left of the camera image.
