ALBANY — Sensors reported elevated levels of unhealthy air around the Capital Region on Wednesday morning as a layer of fog and low clouds descended on the area.
In the Capital District, the poorest air quality was recorded around Troy and Cohoes, where sensors picked up higher-than-usual levels of fine-particulate matter. In the upper Hudson Valley, Kinderhook and Kingston recorded the most elevated levels, according to real-time readings from the air quality monitoring company PurpleAir compiled by the Times Union’s Air Quality Map.
Albany’s air saw moderately elevated pollutant levels as of Wednesday morning, as did many of the other testing sites around the region. PurpleAir sensors measure air quality primarily by detecting fine particulate matter using a laser-based system…