What are the best CarbonDoomsDay alternatives? (2026)

The top alternative to CarbonDoomsDay is 1ClickImpact, followed by Air Quality Index and BreezoMeter Pollen. We compared 21 Environment APIs you can use instead of CarbonDoomsDay.

Looking for alternatives to

CarbonDoomsDay

A real-time RESTish web API for worldwide carbon dioxide levels.

Best Environment APIs Compare all Environment APIs

What Environment APIs can replace CarbonDoomsDay?

21 APIs

1ClickImpact

Environmental impact API for tree planting, carbon offsetting and ocean cleanup

apiKeyHTTPSCORS

Air Quality Index

Real-time air quality data including AQI and pollutant concentrations for worldwide locations

BreezoMeter Pollen

Daily Forecast pollen conditions data for a specific location

Carbon Interface

API to calculate carbon (C02) emissions estimates for common C02 emitting activities

apiKeyHTTPSCORS

Climatiq

Calculate the environmental footprint created by a broad range of emission-generating activities

apiKeyHTTPSCORS

Cloverly

API calculates the impact of common carbon-intensive activities in real time

CO2 Offset

API calculates and validates the carbon footprint

Danish data service Energi

Open energy data from Energinet to society

GrünstromIndex

Green Power Index for Germany (Grünstromindex/GSI)

IQAir

Air quality and weather data

Luchtmeetnet

Predicted and actual air quality components for The Netherlands (RIVM)

National Grid ESO

Open data from Great Britain’s Electricity System Operator

OpenAQ

Open air quality data

PM2.5 Open Data Portal

Open low-cost PM2.5 sensor data

PM25.in

Air quality of China

PVWatts

Energy production photovoltaic (PV) energy systems

Srp Energy

Hourly usage energy report for Srp customers

Thames Water Open Data

Open Data from the UK's largest water and wastewater services company

UK Carbon Intensity

The Official Carbon Intensity API for Great Britain developed by National Grid

WattBuy

Electricity usage estimations, carbon footprint estimations, and utility data

apiKeyHTTPSCORS

Website Carbon

API to estimate the carbon footprint of loading web pages

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