Sky quality

Sky Quality in real time

Roque de Los Muchachos Observatory
Precipitable Water Vapour

PWV Monitor based on the GNSS technique (geodesic antenna LPAL)

Night time seeing

Seeing Monitor based on the DIMM technique

Weather (Telescopes)

Current weather conditions and webcams at the Observatory (Isaac Newton Group)

Weather (AEMet)

AEMet official weather and climate station

Teide Observatory
Precipitable Water Vapour

PWV Monitor based on the GNSS technique (geodesic antenna IZAN)

Night time seeing

Seeing Monitor based on the DIMM technique

Weather (Telescopes)

Current weather conditions and webcams at the Observatory (OOCC website)

Weather (AEMet)

AEMet official weather and climate station

AEMet official weather and climate station (CIAI site meteorological data graphs)

Dust (pm10)

Atmospheric particulate matter 10 micrometers or less