View images (updated every 15 minutes) and current air quality and meteorology data from the McFarland Hill air quality monitoring station on the webpage for the Acadia National Park visibility webcam:
Links to Real-Time Monitoring Data from Acadia NP
View images of Mount Desert Island (updated every 15 minutes) and current meteorology and air quality data from the Schoodic Education and Research Center on the webpage for the Acadia's CAMNET visibility webcam:
The U.S. Geological Survey (USGS) maintains a stream gage at Otter Creek in Acadia NP and another at Old Mill Brook, near the park. These gages measure the stage (water level) and discharge (volume of streamflow) of the streams every 5 minutes.
The U.S. Geological Survey (USGS) maintains a ground water monitoring well at Acadia National Park's McFarland Hill air quality monitoring station, and another on the Crooked Road, near the park. Instruments in these wells record the groundwater level twice an hour.