National Grid ESO
Open data from Great Britain’s Electricity System Operator
Environment · No auth · HTTPS
Environment APIs · Page 2
Page 2 of 2
Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
PM2.5 Open Data Portal
Open low-cost PM2.5 sensor data
Environment · No auth · HTTPS
Solematica
Compare Italian solar (photovoltaic) installer offers, energy prices (PUN/ARERA) and satellite roof data
Environment · No auth · HTTPS
UK Carbon Intensity
The Official Carbon Intensity API for Great Britain developed by National Grid
Environment · No auth · HTTPS
Website Carbon
API to estimate the carbon footprint of loading web pages
Environment · No auth · HTTPS
EIA Open Data
US energy statistics: electricity, petroleum, gas
Environment · API key · HTTPS
Mycelium
Corporate carbon emissions disclosures (scope 1, 2 and 3), company-reported and estimated
Environment · API key · HTTPS
AirVisual
Air quality and weather data
Environment · API key · HTTPS
BreezoMeter Pollen
Daily Forecast pollen conditions data for a specific location
Environment · API key · HTTPS
Cloverly
API calculates the impact of common carbon-intensive activities in real time
Environment · API key · HTTPS
IQAir
Air quality and weather data
Environment · API key · HTTPS
OpenAQ
Open air quality data
Environment · API key · HTTPS
PVWatts
Energy production photovoltaic (PV) energy systems
Environment · API key · HTTPS
Srp Energy
Hourly usage energy report for Srp customers
Environment · API key · HTTPS
GrünstromIndex
Green Power Index for Germany (Grünstromindex/GSI)
Environment · No auth · HTTPS not confirmed
PM25.in
Air quality of China
Environment · API key · HTTPS not confirmed