keyword

ppm of co2

Monthly search volume and cost-per-click data for "ppm of co2" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=ppm+of+co2&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
co2 levels	6,600	$3.05	20/20
co2 level	6,600	$0	19/20
carbon dioxide levels	2,900	$0	20/20
co2 percentage in air	1,900	$4.05	20/20
co2 percentage in atmosphere	1,900	$4.05	18/20
co2 atmosphere	1,600	$9.64	20/20
co2 concentration in air	1,600	$4.32	20/20
co2 ppm	1,300	$0	20/20
parts per million of co2	1,300	$0	18/20
ppm co2 in air	210	$0	18/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=ppm+of+co2&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt