seodata.dev

keyword

co2 levels

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

$ curl "https://app.seodata.dev/v1/keyword?q=co2+levels&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $3.05 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
co2 level 6,600 $0 20/20
carbon dioxide levels 2,900 $0 20/20
co2 percentage in air 1,900 $4.05 19/20
co2 percentage in atmosphere 1,900 $6.14 18/20
co2 atmosphere percentage 1,900 $6.14 17/20
co2 atmosphere 1,600 $9.64 20/20
co2 ppm 1,600 $1.51 20/20
atmospheric co2 1,600 $0 18/20
ppm of co2 1,300 $0 20/20
co2 concentration in air 1,000 $0 20/20

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=co2+levels&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