> /v1/apis/category/environment
Free Environment APIs[019]
19 free public APIs in the Environment category — 7 require no authentication, 18 support HTTPS, 6 have CORS enabled.
1ClickImpact
Environmental impact API for tree planting, carbon offsetting and ocean cleanup
Air Quality Index
Real-time air quality data including AQI and pollutant concentrations for worldwide locations
BreezoMeter Pollen
Daily Forecast pollen conditions data for a specific location
Carbon Interface
API to calculate carbon (C02) emissions estimates for common C02 emitting activities
Climatiq
Calculate the environmental footprint created by a broad range of emission-generating activities
Cloverly
API calculates the impact of common carbon-intensive activities in real time
Danish data service Energi
Open energy data from Energinet to society
GrünstromIndex
Green Power Index for Germany (Grünstromindex/GSI)
IQAir
Air quality and weather data
Luchtmeetnet
Predicted and actual air quality components for The Netherlands (RIVM)
National Grid ESO
Open data from Great Britain’s Electricity System Operator
OpenAQ
Open air quality data
PM2.5 Open Data Portal
Open low-cost PM2.5 sensor data
PVWatts
Energy production photovoltaic (PV) energy systems
Srp Energy
Hourly usage energy report for Srp customers
Thames Water Open Data
Open Data from the UK's largest water and wastewater services company
UK Carbon Intensity
The Official Carbon Intensity API for Great Britain developed by National Grid
WattBuy
Electricity usage estimations, carbon footprint estimations, and utility data
Website Carbon
API to estimate the carbon footprint of loading web pages
// FREQUENTLY ASKED
What are the best free Environment APIs?
The directory tracks 19 free public Environment APIs. Top picks include 1ClickImpact, Air Quality Index, BreezoMeter Pollen, Carbon Interface, Climatiq — see the full list above, all free to use.
Are there free Environment APIs without authentication?
7 of 19 Environment APIs require no authentication and can be used immediately without an API key.
Do these APIs support HTTPS?
18 of 19 Environment APIs support HTTPS.