What does 'near real time' mean?

That the stations transmit their readings continuously and what you see is the most recent measurement available in the network at the moment of the query.

Can I query cities outside the Valle de Aburrá?

No. The SIATA is a regional project: it covers Medellín and the municipalities of the Valle de Aburrá.

Which variables can I query?

Rain, air quality, the levels of rivers and streams, and the variables of the network's weather stations.

Environmental monitoringSIATA

Name: SIATA
Creator: Área Metropolitana del Valle de Aburrá

The early warning system of Medellín and the Valle de Aburrá monitors rain, air quality and the levels of rivers and streams across the region in near real time.

Operated by Área Metropolitana del Valle de Aburrá · Visit the official site

What the SIATA is

The SIATA is the early warning system of Medellín and the Valle de Aburrá, a project of the Área Metropolitana del Valle de Aburrá. It operates a network of stations that measure, in near real time, rain, air quality, the levels of rivers and streams and other weather variables, to anticipate risks in the region.

Croma queries the SIATA live and returns the region's environmental and weather conditions: readings of rain, air quality and river levels by station, useful for operational monitoring, logistics and risk management.

How fresh the data is

Croma queries the SIATA live at the moment of your search: the readings correspond to what the network's stations report at that moment, in near real time.

Coverage and limits

Covers Medellín and the municipalities of the Valle de Aburrá; it is not a national network.
Readings depend on the stations available: a station out of service or under maintenance may not report data.
These are near-real-time measurements, not official air quality certifications or long-term forecasts.

What you can look up

Free tools that answer with data from this source. All of them are also available through the API and MCP.

Aburrá ValleyMedellín air quality
PM2.5, the ICA index, rainfall and weather at every Aburrá Valley station, right now.
SIATAOpen tool

Frequently asked questions

01What does 'near real time' mean?: That the stations transmit their readings continuously and what you see is the most recent measurement available in the network at the moment of the query.
02Can I query cities outside the Valle de Aburrá?: No. The SIATA is a regional project: it covers Medellín and the municipalities of the Valle de Aburrá.
03Which variables can I query?: Rain, air quality, the levels of rivers and streams, and the variables of the network's weather stations.

Croma queries the official source and returns the information exactly as the register publishes it. This page is informational and is not legal advice; for official purposes, verify directly with the corresponding register.