keyword

3 main causes of air pollution

Monthly search volume and cost-per-click data for "3 main causes of air pollution" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=3+main+causes+of+air+pollution&country=us" +--------------+------------------+ | volume | 10 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-28 | +--------------+------------------+

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
causes of air pollution	2,900	$0	12/20
what is air pollution causes	1,900	$2.11	12/20
what pollution causes	1,000	$2.58	18/20
causes of air pollution points	20	$0	13/20
examples of air pollution caused by humans	20	$0	12/20
what's the main cause of air pollution	20	$0	12/20
6 causes of air pollution	10	$0	13/20
what are the 7 causes of air pollution	10	$0	13/20
what is air pollution how is it caused	10	$0	13/20
5 reasons of air pollution	0	$0	13/20

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=3+main+causes+of+air+pollution&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