Due to technical difficulties at the City of Longmont’s air monitoring station located at Union Reservoir, the hourly measurements of volatile organic chemicals are not being displayed at bouldair.com/longmont.htm. Troubleshooting is currently underway. When repairs are complete, the public will be notified via the City’s e-notification system. Visit https://www.longmontcolorado.gov/community/sustainability/areas-of-focus/air-quality for more information.