Return to the home page of the Air Quality Monitoring site
Click here to get an overview of the monitoring system
Get an overview of how air quality affects your health
Click here to search the archives of air quality monitoring in Yellowstone county
Links to resources of further interest
 
System and Graphics Design and Implementation by Spatial Systems
Spatial Systems Billings, MT (406) 256-2033
 
Environmental Consulting and Project Management by Bison Engineering
Bison Engineering
 

Current Readings at the Johnson Lane monitoring site:
September 9, 2010 1:00 - 2:00

Monitored Substance:Reading:Notes
Sulfur Dioxide0.003 ppm1 hour average
    
Meteorological Data  
Wind Speed3.7 mph1 Hour Average
Wind DirectionWest 
Temperature57°F1 Hour Average
 
Monitoring station at Johnson Lane
 M = Maintenance - the monitoring sites are undergoing some form of maintenance.
 ST = Self Test - a period of time during which the instruments check themselves to make sure they are in working order.
 
 
The full scale of this chart is equivalent to the Montana State threshold for 1-hour averages. Click here to view a magnified version of this graph.
General location of the Johnson Lane monitoring station.
Monitoring station at Johnson LaneMonitoring station at Johnson Lane