AirNow
US EPA air quality data and forecasts
You could build… A morning air-quality card for a saved city.
Mango Labs
Public API idea board. Environment is one of 51 categories in the public-apis GitHub list. This page lists all 25 APIs filed under Environment in the fetch on 2026-09-30 (README commit 8939d46). Descriptions are that list’s own lines, not rewrites. A pricing label is shown only when those lines state a price; otherwise it says pricing not listed.
Notes already stored with this category in the catalog.
US EPA air quality data and forecasts
You could build… A morning air-quality card for a saved city.
Daily Forecast pollen conditions data for a specific location
You could build… A morning air-quality card for a saved city.
API to calculate carbon (C02) emissions estimates for common C02 emitting activities
You could build… A morning air-quality card for a saved city.
Calculate the environmental footprint created by a broad range of emission-generating activities
You could build… A morning air-quality card for a saved city.
API calculates the impact of common carbon-intensive activities in real time
You could build… A morning air-quality card for a saved city.
API calculates and validates the carbon footprint
You could build… A morning air-quality card for a saved city.
Open energy data from Energinet to society
You could build… A morning air-quality card for a saved city.
Live wholesale electricity prices and demand across 25 grid zones
You could build… A morning air-quality card for a saved city.
Green Power Index for Germany (Grünstromindex/GSI)
You could build… A morning air-quality card for a saved city.
Air quality and weather data
You could build… A morning air-quality card for a saved city.
Real-time worldwide wildfire detections, water bomber tracking and open fire archive
You could build… A morning air-quality card for a saved city.
Predicted and actual air quality components for The Netherlands (RIVM)
You could build… A morning air-quality card for a saved city.
Open data from Great Britain’s Electricity System Operator
You could build… A morning air-quality card for a saved city.
Open air quality data
You could build… A morning air-quality card for a saved city.
Free weather API for non-commercial use
You could build… A morning air-quality card for a saved city.
Open low-cost PM2.5 sensor data
You could build… A morning air-quality card for a saved city.
Air quality of China
You could build… A morning air-quality card for a saved city.
EU solar radiation and photovoltaic performance estimates
You could build… A morning air-quality card for a saved city.
Energy production photovoltaic (PV) energy systems
You could build… A morning air-quality card for a saved city.
Compare Italian solar (photovoltaic) installer offers, energy prices (PUN/ARERA) and satellite roof data
You could build… A morning air-quality card for a saved city.
Hourly usage energy report for Srp customers
You could build… A morning air-quality card for a saved city.
18,000+ GHG emission factors from DEFRA, EPA, ADEME, Ember
You could build… A morning air-quality card for a saved city.
The Official Carbon Intensity API for Great Britain developed by National Grid
You could build… A morning air-quality card for a saved city.
US electricity rates by state, with appliance and EV charging running costs
You could build… A morning air-quality card for a saved city.
API to estimate the carbon footprint of loading web pages
You could build… A morning air-quality card for a saved city.
Same fetch, every category page.