---
title: "Trend — air quality monitor - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/air-quality-monitor/trend"
last_updated: "2026-07-31T09:00:47.135Z"
locale: en
meta:
  description: "Niche score 50/100 · £159K/yr market · 182K searches/yr · £46.90 avg price. Soft demand (-31.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £159K/yr market · 182K searches/yr · £46.90 avg price. Soft demand (-31.5% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — air quality monitor - Flapen"
---

# **air quality monitor**

**Worth a look**

Shows a sweet-spot price point ($46.90 avg), but soft demand (-31.5% this quarter) keeps it on the watch list.

Market size 33Growth 9Conversion 23Competition 66Returns 77Price range 46Avg price 94Brand share 58Review moat 56Quality gap 84

**Avg price**

**Great****£46.90**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

avg incumbent rating — lower means beatable quality

**Returns**

**Great****1.9%**

return rate — above 5% kills the launch gate

**Competition**

**Good****45%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****70%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Good****1,241.88**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****£7.39–£192.82**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Okay****£159K**

£159K/yr · 182K searches

**Conversion**

**Bad****1.9%**

search→purchase rate — share of searches ending in a sale

**Growth**

**Bad****-31.5%**

90-day search growth — must beat 0% to launch

**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")