keyword

co2 emissions from breathing

Monthly search volume and cost-per-click data for "co2 emissions from breathing" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=co2+emissions+from+breathing&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.06 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
how much co2 do humans produce by breathing	30	$0	7/20
does human breathing contribute to global warming	30	$3.42	6/20
human breathing carbon dioxide	20	$0	10/20
carbon dioxide in human breath	20	$0	7/20
do humans emit co2	20	$0	7/20
how much co2 do we exhale in a year	20	$0	7/20
do you exhale co2	20	$0	6/20
how much co2 human exhale	10	$0	8/20
how much carbon dioxide do we exhale in one breath	10	$0	7/20
human co2 exhalation rate	10	$0	7/20

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://api.seodata.dev/v1/keyword?q=co2+emissions+from+breathing&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt