AirNow API alternatives
12 other environment APIs compared on authentication, HTTPS, CORS and documented endpoints.
| API | Auth | HTTPS | CORS | Endpoints |
|---|---|---|---|---|
| AirNow | API key | Yes | Yes | — |
| PVGIS | No auth | Yes | No | — |
| Open-Meteo | No auth | Yes | Yes | — |
| IQAir | API key | Yes | Unknown | — |
| Website Carbon | No auth | Yes | Unknown | — |
| BreezoMeter Pollen | API key | Yes | Unknown | — |
| OpenAQ | API key | Yes | Unknown | — |
| Climatiq | API key | Yes | Yes | — |
| Danish data service Energi | No auth | Yes | Unknown | — |
| GrünstromIndex | No auth | No | Yes | — |
| Luchtmeetnet | No auth | Yes | Unknown | — |
| PM2.5 Open Data Portal | No auth | Yes | Unknown | — |
| Solematica | No auth | Yes | No | — |
PVGIS
EnvironmentEU solar radiation and photovoltaic performance estimates
No auth
Open-Meteo
EnvironmentFree weather API for non-commercial use
No authCORS
IQAir
EnvironmentAir quality and weather data
API key
Website Carbon
EnvironmentAPI to estimate the carbon footprint of loading web pages
No auth
BreezoMeter Pollen
EnvironmentDaily Forecast pollen conditions data for a specific location
API key
OpenAQ
EnvironmentOpen air quality data
API key
Climatiq
EnvironmentCalculate the environmental footprint created by a broad range of emission-generating activities
API keyCORS
Danish data service Energi
EnvironmentOpen energy data from Energinet to society
No auth
GrünstromIndex
EnvironmentGreen Power Index for Germany (Grünstromindex/GSI)
No authCORS
Luchtmeetnet
EnvironmentPredicted and actual air quality components for The Netherlands (RIVM)
No auth
PM2.5 Open Data Portal
EnvironmentOpen low-cost PM2.5 sensor data
No auth
Solematica
EnvironmentCompare Italian solar (photovoltaic) installer offers, energy prices (PUN/ARERA) and satellite roof data
No auth