seodata.dev

keyword

best air filter

Monthly search volume and cost-per-click data for "best air filter" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+air+filter&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $3.97 | | competition | 1 | | country | US | | updated | 2026-06-15 | +--------------+------------------+
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
air purifier best 110,000 $4.55 20/20
best air purifier for home 40,500 $4.83 20/20
best air purifiers for home 40,500 $4.81 20/20
best home air purifier 40,500 $4.81 20/20
best air filter for home 9,900 $3.48 20/20
best air purifiers 9,900 $4.25 20/20
good air filters for home 9,900 $3.47 19/20
best hepa air purifier 5,400 $5.25 20/20
the best air purifier 1,900 $4.39 20/20
best review air purifier 260 $3.82 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://api.seodata.dev/v1/keyword?q=best+air+filter&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