BreezoMeter Pollen
APIDaily pollen condition forecasts for specific locations
Carbon Interface
APICalculate CO2 emissions estimates for common activities via API
Climatiq
APICalculate environmental footprints for emission-generating activities
Cloverly
APIReal-time carbon impact calculation API for common intensive activities
CO2 Offset
APICalculate and validate carbon footprints for sustainable decisions
Danish data service Energi
APIOpen energy data platform from Energinet for Danish society
GrünstromIndex
APIReal-time Green Power Index for Germany’s Electricity Grid
IQAir
APIReal-time air quality and weather data API
Luchtmeetnet
APIFree Actual & Predicted Air Quality Data for The Netherlands (RIVM)
National Grid ESO
APIOpen electricity system data from Great Britain’s ESO
OpenAQ
APIFree open air quality data API for global pollution metrics
PM2.5 Open Data Portal
APIFree open data API for low-cost PM2.5 sensor readings
PM25.in
APIReal-time air quality data API for China
PVWatts
APICalculate photovoltaic (PV) system energy production and savings
Srp Energy
APIAccess hourly energy usage reports for SRP customers
UK Carbon Intensity
APIOfficial real-time carbon intensity data for Great Britain
Website Carbon
APIFree API for estimating web page carbon footprints