BreezoMeter Pollen
Daily Forecast pollen conditions data for a specific location
Environment · API key · HTTPS
Environment APIs
23 API records with directory-reported descriptions, access facts, and source links.
Carbon Interface
API to calculate carbon (C02) emissions estimates for common C02 emitting activities
Environment · API key · HTTPS
Climatiq
Calculate the environmental footprint created by a broad range of emission-generating activities
Environment · API key · HTTPS
Cloverly
API calculates the impact of common carbon-intensive activities in real time
Environment · API key · HTTPS
CO2 Offset
API calculates and validates the carbon footprint
Environment · No auth · HTTPS
Danish data service Energi
Open energy data from Energinet to society
Environment · No auth · HTTPS
gridcarbon
Hourly grid carbon intensity in gCO2eq/kWh for 45 zones in Europe, the US and Great Britain
Environment · No auth · HTTPS
GrünstromIndex
Green Power Index for Germany (Grünstromindex/GSI)
Environment · No auth · HTTPS not confirmed
IQAir
Air quality and weather data
Environment · API key · HTTPS
kanari
Real-time worldwide wildfire detections, water bomber tracking and open fire archive
Environment · No auth · HTTPS
Luchtmeetnet
Predicted and actual air quality components for The Netherlands (RIVM)
Environment · No auth · HTTPS
National Grid ESO
Open data from Great Britain’s Electricity System Operator
Environment · No auth · HTTPS
OpenAQ
Open air quality data
Environment · API key · HTTPS
Open-Meteo
Free weather API for non-commercial use
Environment · No auth · HTTPS
PM2.5 Open Data Portal
Open low-cost PM2.5 sensor data
Environment · No auth · HTTPS
PM25.in
Air quality of China
Environment · API key · HTTPS not confirmed
PVWatts
Energy production photovoltaic (PV) energy systems
Environment · API key · HTTPS
Solematica
Compare Italian solar (photovoltaic) installer offers, energy prices (PUN/ARERA) and satellite roof data
Environment · No auth · HTTPS
Srp Energy
Hourly usage energy report for Srp customers
Environment · API key · HTTPS
SustainMetrics
18,000+ GHG emission factors from DEFRA, EPA, ADEME, Ember
Environment · API key · HTTPS
UK Carbon Intensity
The Official Carbon Intensity API for Great Britain developed by National Grid
Environment · No auth · HTTPS
WattFigure
US electricity rates by state, with appliance and EV charging running costs
Environment · No auth · HTTPS
Website Carbon
API to estimate the carbon footprint of loading web pages
Environment · No auth · HTTPS