Based on the common formula temperature & dewpoint recorded realtime from this weather station to calculate an estimated height of the cloudbase.It is not a accurate tool it is a relative indicator.
Measured in feet
Information on Cloudbase
100+ Unhealthy for Sensitive Groups
150+ Unhealthy (Precautions Required)
200+ Very Unhealthy (Critical Conditions)
300+ Hazardous (Life Threatening)
Information on Air Quality PM10