Aethalometer
Videos
An aethalometer is an instrument for measuring the concentration of optically absorbing suspended particulates in a gas colloid stream; commonly visualized as smoke or haze, often seen in ambient air
The exterior of an aethalometer
Close up of an aethalometer control panel
The interior of an aethalometer
Visibility
Videos
In meteorology, visibility is the measure of the distance at which an object or light can be clearly discerned. It depends on the transparency of the surrounding air and as such, it is unchanging no m
Aethalometer
…aethalometers relate to air quality measurements, with the data being used for studies of the impact of air pollution on public health; climate change; and visibility. Other uses include measurements of the emission of black carbon from combustion sources such as vehicles; industrial processes; and biomass burning…
Airplane flying into clouds on descent for landing
Foggy morning road
On clear days, Tel Aviv's skyline is visible from the Carmel mountains, 80 km north
From the summit of Mount Summano (1296 m, Vicenza, Italy), it is possible to see (dark blue sky line) the Tuscan–Emilian Apennines and Mount Cimone (2165 m, Modena, Italy) in good visibility. The distance is about 180 km. Note the fog present throughout the Po Valley in the lower layers.