June 29th, 2024

We Launched the Largest Real-Time Global CO2 Map

A new global CO2 map using data from AirGradient monitors aims to monitor levels, identify emission sources, and engage citizens in climate action. Collaboration opportunities are offered for informed decision-making.

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We Launched the Largest Real-Time Global CO2 Map

A new real-time global CO2 map has been launched using data from over 500 AirGradient air quality monitors worldwide. This initiative aims to monitor CO2 levels and identify local emission sources to help reduce carbon emissions. The map allows for relative comparisons over time and between different locations, enabling the detection of emission sources like traffic, decomposition, and wildfires. Low-cost CO2 sensors, such as the SenseAir S8 NDIR module, have shown high correlation with reference instruments, making them suitable for identifying emission sources. The network of monitors can help create a detailed map of emission hotspots in cities, aiding in mitigation efforts. Citizens are encouraged to join the network by contributing data to support research and policy-making on climate change. The project also offers opportunities for collaboration with organizations, researchers, and policymakers to drive informed decision-making and climate action. The initiative not only provides valuable data but also promotes community engagement and awareness about CO2 emissions and climate change.

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Link Icon 8 comments
By @mfrankpb - 4 months
sensor.community is probably the larger CO2 map, as it currently has 12,236 active sensors compared to Airgradient's 500 sensors [1]. They also offer instructions for the construction of sensor kits or the purchase of pre-assembled units. The CCC has an interesting presentation about its mission and approach [2]. How do you differentiate yourself from sensor.community?

/edit: My mistake: sensor.community focuses on PM2.5 µg/m³ while you provide CO2 information. Please excuse my mistake.

[1] https://sensor.community/en/

[2] https://media.ccc.de/v/mch2022-213-sensor-community-global-o...

By @ahaucnx - 4 months
Achim from AirGradient here.

We are super thrilled about launching this and the examples that I describe in the blog post are quite encouraging that we can get some really useful data out of it.

Happy to answer any questions.

By @sturza - 4 months
Link to the actual map: https://www.airgradient.com/map/
By @stemlord - 4 months
Maybe I'm missing this info somewhere, but would like to better understand the accuracy of the placement of the markers on the map. For example there's a 702 ppm marker in Moorestown Township NJ. Is this the exact location of one sensor, and would this then mean that some entity in Moorestown NJ is producing tons of co2?
By @traspler - 4 months
I have an „older“ model of the outdoor module without the CO2 measurement (from June '23, the one with two PM2 modules) is it possible to upgrade it easily? I think mine also has a slot for a TVOC/NOx sensor but as far as I remember the sensor available on the store was not compatible due to size. Has that changed?
By @Angostura - 4 months
I'm very interested in getting a sensor and taking part - but is there any information on optimum mounting position? For example, if I live in a terraced house in London with a reasonably large back garden, shoudl I be mounting on an exterior house wall? Bottom of the garden, or doesn't really matter?
By @grigio - 4 months
wow China is so clean, and also Ukraine uses green missiles