Best Environment APIs — Compared
Compare 16 Environment APIs side by side. See authentication methods, HTTPS support, and CORS policies at a glance.
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| 1ClickImpact | Environmental impact API for tree planting, carbon offsetting and ocean cleanup | apiKey | ||
| Air Quality Index | Real-time air quality data including AQI and pollutant concentrations for worldwide locations | None | ||
| BreezoMeter Pollen | Daily Forecast pollen conditions data for a specific location | apiKey | ||
| Carbon Interface | API to calculate carbon (C02) emissions estimates for common C02 emitting activities | apiKey | ||
| CarbonDoomsDay | A real-time RESTish web API for worldwide carbon dioxide levels. | apiKey | ||
| Climatiq | Calculate the environmental footprint created by a broad range of emission-generating activities | apiKey | ||
| GrünstromIndex | Green Power Index for Germany (Grünstromindex/GSI) | None | ||
| Luchtmeetnet | Predicted and actual air quality components for The Netherlands (RIVM) | None | ||
| OpenAQ | Open air quality data | apiKey | ||
| PM2.5 Open Data Portal | Open low-cost PM2.5 sensor data | None | ||
| PVWatts | Energy production photovoltaic (PV) energy systems | apiKey | ||
| Srp Energy | Hourly usage energy report for Srp customers | apiKey | ||
| Thames Water Open Data | Open Data from the UK's largest water and wastewater services company | apiKey | ||
| UK Carbon Intensity | The Official Carbon Intensity API for Great Britain developed by National Grid | None | ||
| WattBuy | Electricity usage estimations, carbon footprint estimations, and utility data | apiKey | ||
| Website Carbon | API to estimate the carbon footprint of loading web pages | None |