Environment & Earth
Carbon footprint calculators, wildfire sensors, and ecological alerts
Environment & Earth API Comparison Overview
Top Endpoints| API Service | Auth Type | Rate Limit | Security | Direct Link |
|---|---|---|---|---|
| AirVisual | Free Key | 10.000 istek/ay | HTTPS • CORS | Docs |
| OpenAQ | Free Key | 5000 istek/gün | HTTPS • CORS | Docs |
| Carbon Interface | Free Key | 200 istek/ay | HTTPS • CORS | Docs |
| Climatiq | Free Key | 100 istek/gün | HTTPS • CORS | Docs |
| Open Charge Map | Free Key | 1000 istek/gün | HTTPS • CORS | Docs |
| USGS Earthquake | No Key | Sınırsız | HTTPS • CORS | Docs |
Available Endpoints (9)
AirVisual
Global real-time air quality index (AQI) and pollution sensor datasets
OpenAQ
Global community air quality open environmental data platform
Carbon Interface
Calculates carbon emissions for flights, vehicle trips, electricity, and shipping
Climatiq
Comprehensive greenhouse gas emission calculations and climate metrics engine
Open Charge Map
Non-profit open registry of global electric vehicle (EV) charging stations
USGS Earthquake
USGS real-time global earthquake feeds, magnitude, and seismic data
USGS Water
USGS national real-time water streamflow, drought, and hydrological telemetry
World Air Quality
Global air quality data aggregating PM2.5, PM10, ozone, and AQI readings
About Free Environment & Earth APIs
This directory curates 9 verified public APIs in the Environment & Earth domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.
Do I need an API key?
Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.
Does FreeAPI support CORS?
Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.