Air quality · SIATA in Medellín
Explore SIATA’s population-representative PM2.5 stations within the Medellín map extent and neighboring municipalities. Inspect the mean concentration over the last 24 hours, published classification and each station’s update time.
Explore these layers ↗Rolling 24-hour means in µg/m³, not instantaneous readings or ICA index values. Provisional SIATA/AMVA operational data, subject to validation. The layer does not represent every network or a uniform neighborhood concentration. Queried every five minutes while visible; source updates older than 30 minutes are marked as old. Rainfall, forecasts and emergency alerts are not included.
GeoSAT · Public mapping
One city. Many ways to read it.
Geovisor view · Municipal Disaster Risk Management Plan scenarios, City of Medellín. Reference mapping: not alerts or events.
How to use itHow to use the map
- Open the prepared query for this theme in the viewer. Search a neighborhood or enter coordinates as latitude, longitude.
- Review enabled layers in the theme and zoom in. Detailed layers require a close scale to keep queries bounded.
- Select a feature on the map or in the Results list. Check its attributes, retrieval time and any partial-result notice.
- Select a feature in Results and inspect its attributes and source. Export contains only received results, with attribution and dates; coverage depends on the queried scope and partial-result notices.
Frequently asked questions
What does Air quality · SIATA include in the Medellín geovisor?
In Medellín’s Air quality · SIATA you can explore 1 layer: Air · PM2.5 24-hour mean. Each layer states its source, date and use limits.
Can I reuse the Air quality · SIATA data?
According to each layer’s published license: Publicación ambiental pública · licencia específica no indicada. Check the exact license on the layer record before reuse.
How current are the Air quality · SIATA data?
No dataset-wide date has been verified for these layers; check each source’s limits. Last GeoSAT verification: 2026-09-26.
How do I explore Air quality · SIATA in the viewer?
Click “Explore these layers” to open the prepared Air quality · SIATA query; review enabled layers under Layers. Filter by exact field and value, select features to read their records, and export received results with attribution and dates.
Who publishes the Air quality · SIATA data?
Layers come from SIATA · Área Metropolitana del Valle de Aburrá · GeoSAT: normalización de la capa pública ICA - PM2.5 Estaciones POECA, retrieved and adapted by GeoSAT with per-record attribution and provenance.
Which other themes can I explore?
Other themes in the Medellín geovisor: Metro, cableways and tram, Road infrastructure and taxi stands, and Walking and tactical urbanism.
Sources, dates and limits
Each source’s verification date appears in the table. Retrieval time is not the data update date. Small city-wide layers use the full extent; larger layers depend on the visible area. Reference publications retain their original retrieval date. Each page contains up to 500 features: up to 2 MiB for external services and 4 MiB for local publications. Reference publications load matching pages, up to 5,000 features and 8 MiB per query. External services may return partial samples, identified in the viewer.
| Layer and source | Data date | Reuse |
|---|---|---|
| Air · PM2.5 24-hour meanSIATA · Área Metropolitana del Valle de Aburrá · GeoSAT: normalización de la capa pública ICA - PM2.5 Estaciones POECA | Update per station · inspect the recordSource checked: | Publicación ambiental pública · licencia específica no indicada |
Display transformations and adaptations are described for each source; precision and methods differ between sources. Obtain official mapping if you need surveying accuracy or documents with administrative validity.