Web Cams

Grass Valley

This web cam is located in the Litton Building in Grass Valley at the end of Litton Dr. We are just up the hill from the Briar Patch market. Approximate elevation of the camera is 2800 feet. The camera is looking south. The viewer can see our Thermo Scientific Model 2000i Federal Reference Monitor PM2.5 sampler on the left and in the large white box is our MetOne Beta Attenuation Monitor Model 1020 PM2.5 continuous sampler. This site is also equipped with a rain gauge, an ambient temperature sensor and wind speed and wind direction sensors. This site was established at this location in 1993. Also at this location, but not in view, is a Teledyne API 400E ozone monitor. PM2.5 and ozone data from this site can be viewed here. For rain or wind data please contact Joe at the Air District. This image will be updated once per minute.

Image will refresh every 1 Minute


Portola

This web cam is located on top of the Portola Fire Station on N. Gulling St. Approximate elevation of the camera is 4910 feet. The camera is looking south. The viewer can see our Thermo Scientific Model 2025i Federal Reference Monitor PM2.5 sampler, a URG-3000N carbon sampler and a MetOne SASS. On the far right in the large white box is our MetOne Beta Attenuation Monitor Model 1020 PM2.5 continuous sampler (non-FEM). This site is also equipped with an ambient temperature sensor and wind speed and wind direction sensors. This site was established at this location in July of 2013. The previous site was at a Portola downtown location. This image will be updated once per minute.

Image will refresh every 1 Minute