|About this Project|
The problem and approach for measuring haze. Related web sites.
|News & Numbers|
Current results, links, recognition of contributions, summaries of data, numbers of contributors....
|Haze 101: Science Background, Photometer Manual|
What causes haze, and why measure it. How to build the TERC VHS-1 sun photometer.
View other people's data. How to calibrate your instrument. How to make observations.
Questions and answers directly with amateur scientist and Haze-SPAN founder, Forest Mims III. Frequently Asked Questions (FAQ).