WMS GeoMet-Weather provides public access to the Meteorological Service of Canada (MSC) and Environment and Climate Change Canada (ECCC) data via interoperable web services and application programming interfaces (API). Through open standards, users can freely and quickly access thousands of real-time and archived weather, climate and water datasets and products and integrate them in their domain-specific applications and decision support systems. Users can build mobile apps, create interactive web maps, and display and animate MSC data in desktop software. MSC GeoMet also enables on demand raw data clipping and reprojection, on demand format conversion and custom visualization. Weather Meteorology Climate Forecasting Floods Weather alerts Storms Wind Temperature Precipitations Snow Ice National Inquiry Response Team Government of Canada, Environment and Climate Change Canada, Meteorological Service of Canada Service Channel postal

77 Westmorland Street, Suite 260

Fredericton New Brunswick E3B 6Z3 Canada None +01-506-451-6010 ecweather-meteo@ec.gc.ca None None 16384 16384 text/xml image/png image/jpeg image/webp text/plain application/json application/vnd.ogc.gml text/xml image/png image/jpeg image/png; mode=8bit image/vnd.jpeg-png image/vnd.jpeg-png8 text/xml XML INIMAGE BLANK GeoMet-Weather provides public access to the Meteorological Service of Canada (MSC) and Environment and Climate Change Canada (ECCC) data via interoperable web services and application programming interfaces (API). Through open standards, users can freely and quickly access thousands of real-time and archived weather, climate and water datasets and products and integrate them in their domain-specific applications and decision support systems. Users can build mobile apps, create interactive web maps, and display and animate MSC data in desktop software. MSC GeoMet also enables on demand raw data clipping and reprojection, on demand format conversion and custom visualization. Weather Meteorology Climate Forecasting Floods Weather alerts Storms Wind Temperature Precipitations Snow Ice EPSG:4326 EPSG:2294 EPSG:2295 EPSG:2950 EPSG:3005 EPSG:3408 EPSG:3410 EPSG:3571 EPSG:3572 EPSG:3573 EPSG:3574 EPSG:3575 EPSG:3576 EPSG:3776 EPSG:3857 EPSG:3978 EPSG:3995 EPSG:4267 EPSG:4269 EPSG:26707 EPSG:26708 EPSG:26709 EPSG:26710 EPSG:26711 EPSG:26712 EPSG:26713 EPSG:26714 EPSG:26715 EPSG:26716 EPSG:26717 EPSG:26718 EPSG:26719 EPSG:26720 EPSG:26721 EPSG:26722 EPSG:26907 EPSG:26908 EPSG:26909 EPSG:26910 EPSG:26911 EPSG:26912 EPSG:26913 EPSG:26914 EPSG:26915 EPSG:26916 EPSG:26917 EPSG:26918 EPSG:26919 EPSG:26920 EPSG:26921 EPSG:26922 EPSG:32187 EPSG:32188 EPSG:32198 EPSG:32661 EPSG:42101 EPSG:42102 EPSG:42304 EPSG:102100 EPSG:102185 EPSG:900913 AUTO2:42003 -180.000000 180.000000 -90.000000 90.000000 image/jpeg Air Quality Regional Deterministic Air Quality Analysis (RDAQA) [10 km] RDAQA products RDAQA_10km_PM2.5 Regional Deterministic Air Quality Analysis (RDAQA) is an objective analysis of surface pollutants that combines numerical forecasts from the Regional Air Quality Deterministic Prediction System (RAQDPS) with hourly observations from various monitoring networks in North America, including the Canadian measurement networks operated by the provinces, territories and certain cities, as well as the various American networks in the context of the AIRNow program administered by US/EPA (US Environmental Protection Agency). RDAQA analysis provides the best description of current air quality conditions, and is used to inform the public, meteorologists in the various Environment and Climate Change Canada forecasting offices, Health Canada and other users about the distribution of air pollutants near the ground, and the performance of forecasting models. Each hour, a preliminary product is available approximately one hour after the observation measurement time, while final and Firework products are available approximately two hours after the measurement time. The preliminary and final products contain analysis of the chemical constituents O3, SO2, NO, NO2, PM2.5 (fine particles with diameters of 2.5 micrometers or less) and PM10 (coarse particles with diameters of 10 micrometers or less), while the Firework product contains analysis of PM2.5 and PM10. Regional Particulate matter Analysis Air quality Atmospheric emissions Ozone Chemicals -176.842397 -18.825655 16.149200 80.210751 2026-03-12T16:00:00Z/2026-03-14T11:00:00Z/PT1H urn:x-msc-smc:md:weather-meteo::rdaqa text/xml