Station Viewer
Climate data viewer for the western United States. Data includes cooling degree days, growing degree days, heating degree days, precipitation, snowfall, and temperature (max, mean, min).
Western Regional Water Commission Regional Mapping System – Weather/Climate
The Washoe Regional Mapping System (WRMS) is a comprehensive web-based mapping application designed to utilize the latest web-mapping technology and to replace older legacy mapping applications. The Washoe Regional Mapping […]
Air Data
Real-time air data ranging from 1-hour averages to 3-year averages. WCHD provides the air quality data on the EPA’s website.
Oxygenated Fuels Reports 2013-2014
The AQMD implements an oxygenated fuels program to reduce wintertime carbon monoxide emissions from motor vehicles. The following annual reports summarize the results of the program.
Exceptional Air Quality Events
Reports are prepared whenever the AQMD formally requests the Environmental Protection Agency (EPA) to exclude data from exceptional events like wildfires from data that is used to determine mitigation strategies […]
Criteria Air Pollutant Emissions Inventories – 2011 Emissions Inventory Executive Summary
This inventory documents criteria air pollutant (CAP) emissions of PM10, particulate matter less than 2.5 microns in diameter (PM2.5), CO, volatile organic compounds (VOC), oxides of nitrogen (NOx), sulfur oxides […]
Criteria Air Pollutant Emissions Inventories – 2011 Emissions Inventory
This inventory documents criteria air pollutant (CAP) emissions of PM10, particulate matter less than 2.5 microns in diameter (PM2.5), CO, volatile organic compounds (VOC), oxides of nitrogen (NOx), sulfur oxides […]
Criteria Air Pollutant Emissions Inventories – 2008 Emissions Inventory
This inventory documents criteria air pollutant (CAP) emissions of PM10, particulate matter less than 2.5 microns in diameter (PM2.5), CO, volatile organic compounds (VOC), oxides of nitrogen (NOx), sulfur oxides […]
Air Quality Trends Report (2011-2020)
Air quality trend reports have two primary components: annual summary of air quality for the year of the report and 10-year trend.
Air Quality Trends Report (2010-2019)
Air quality trend reports have two primary components: annual summary of air quality for the year of the report and 10-year trend.