environment APIs

BreezoMeter Pollen API (now part of Google Maps Platform) provides daily pollen forecast data including pollen type, index values, and risk levels for a specific geographic location.

Carbon Interface API calculates estimated CO2 emissions for common activities such as electricity usage, flights, vehicle travel, and shipping.

Climatiq is an API for calculating carbon emissions and environmental footprint across a wide range of activities including travel, energy use, and shipping.

CO2 Offset API calculates and validates the carbon footprint of electricity consumption using the Sustainable Scope 2 framework.

Danish data service Energi provides programmatic access to open energy data from energinet to society via REST API.

GrünstromIndex (Green Power Index) provides real-time and forecast data about the proportion of renewable energy in the German electricity grid.

IQAir API provides real-time air quality index (AQI) data and weather conditions for cities and stations worldwide, powered by the IQAir sensor network.

Luchtmeetnet API provides real-time and predicted air quality measurements from the official Dutch national air quality monitoring network (RIVM).

OpenAQ is an open-source platform providing access to air quality data aggregated from thousands of government and research-grade monitoring stations worldwide.

PM2.5 Open Data Portal provides free access to low-cost PM2.5 (fine particulate matter) sensor data from the LASS community network across Asia, particularly Taiwan.

PM25.in is a Chinese air quality API providing real-time PM2.5, AQI, and related pollution data for cities across China.

PVWatts is a NREL (National Renewable Energy Laboratory) API that estimates the energy production of grid-connected photovoltaic (solar panel) systems anywhere in the world.

Srp Energy API provides hourly electricity usage data for customers of SRP (Salt River Project), a utility provider in Arizona, USA.

The UK Carbon Intensity API provides official real-time and forecast carbon intensity data for Great Britain's electricity grid, developed by National Grid.

Website Carbon estimates the carbon footprint of loading any web page by analyzing its data transfer size and hosting type.