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keyword

what is the percentage of carbon dioxide in the atmosphere

Monthly search volume and cost-per-click data for "what is the percentage of carbon dioxide in the atmosphere" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+the+percentage+of+carbon+dioxide+in+the+atmosphere&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
co2 atmosphere percentage 1,900 $4.05 20/20
co2 percentage in air 1,900 $4.05 20/20
co2 percentage in atmosphere 1,900 $4.05 20/20
percentage of co2 in atmosphere 1,900 $4.05 20/20
what is the percentage of carbon dioxide in air 1,900 $0.44 20/20
what percentage of the atmosphere is carbon dioxide 1,900 $0.44 20/20
co2 atmosphere 1,600 $9.64 20/20
co2 in the atmosphere 1,600 $9.64 20/20
carbon dioxide percentage in atmosphere 1,300 $3.32 20/20
how much co2 is in the atmosphere 1,300 $2.91 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=what+is+the+percentage+of+carbon+dioxide+in+the+atmosphere&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