---
title: "Air Quality Monitor — $0/yr Amazon SG Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sg/diy-and-tools/air-quality-monitor"
last_updated: "2026-08-06T03:28:12.032Z"
locale: en
meta:
description: "Niche score 33/100 · $0/yr market · 4K searches/yr · $83.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 33/100 · $0/yr market · 4K searches/yr · $83.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Air Quality Monitor — $0/yr Amazon SG Niche (2026) - Flapen"
---
# **air quality monitor**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 54Conversion 0Competition 7Returns 55Price range 34Avg price 81Brand share 0Review moat 70Quality gap 90
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$83.10**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****712.67**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Growth**
**Good****+27.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Okay****$36.82–$223.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****91%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$0**
$0/yr · 4K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=sg&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=sg&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon Singapore niche tracking, air quality monitor is a $0/yr Amazon Singapore market (4K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 33/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **air quality monitor market data**
- **Units sold / yr**
- **0–100**
- avg 0–100/product
- **Revenue / yr**
- **$0–$8K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#6**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **50%**
- **Out of stock**
- **56.4%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **0 days**
## **Competition & brand share**
The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **—flat
**Sellers**
**12**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**91%**
Top 20: 100%
**Open market**
**0%**
- SwitchBot25% - SAF23% - MOESAPU22% - INKBIRDPLUS21% - MEEGOO9% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +27.0% search growth over the last 90 days.
300200Spike '24Black Friday '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/sg/diy-and-tools/air-quality-monitor/trend)
## **Top air quality monitor search terms**
- **formaldehyde detector**1K/yr+289.0%0.0% conv. - **air quality monitor**2K/yr-24.1%0.2% conv. - **co2 monitor**866/yr-11.7%4.2% conv. [**All search terms **](https://flapen.com/research/sg/diy-and-tools/air-quality-monitor/search-terms)
## **Top air quality monitor products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$020%$030%$040%$0101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SwitchBot CO2 Sensor Carbon Dioxide Concentration Meter Thermometer/Hygrometer Alarm - Switchbot Digital Large Screen High Accuracy CO2 Measuring Device Comfort Index Weather Forecast Clock**SwitchBot**$55.57**4.3★2,084 rev](https://www.amazon.sg/dp/B0DBLKNYPY) [2![Aranet4 Home: Wireless Indoor Air Quality Monitor for Home Office or School [CO2 Temperature Humidity and More] Portable Battery Powered E-Ink Screen App for Configuration & Data History](https://m.media-amazon.com/images/I/41ioNdi11xL.jpg)**Aranet4 Home: Wireless Indoor Air Quality Monitor for Home Office or School \[CO2 Temperature Humidity and More\] Portable Battery Powered E-Ink Screen App for Configuration & Data History**SAF**$223.29**4.7★1,790 rev](https://www.amazon.sg/dp/B07YY7BH2W) [3**8-in-1 Air Quality Monitor HCHO TVOC PM2.5 CO CO2 Detector Formaldehyde Alarm Particulate Matter Tester Carbon Monoxide and Dioxide Meter AQI with Temperature Humidity Reader in Home**MOESAPU**$84.76**3.9★325 rev](https://www.amazon.sg/dp/B09M3LYVPW) [4**INKBIRDPLUS Portable CO2 Detector Mini Indoor CO2 Monitor NDIR Sensor with Full Color LCD Indicator Light Alarm Auto Calibration for Home Office Travel**INKBIRDPLUS**$47.20**0.0★0 rev](https://www.amazon.sg/dp/B0DF2KMJXT) [5**INKBIRDPLUS Air Quality Monitor Indoor CO2 Meter Accurate Tester for CO2 HCHO TVOC Temperature and Relative Humidity Real Time Display Rechargeable Battery.**INKBIRDPLUS**$50.99**3.4★77 rev](https://www.amazon.sg/dp/B096ZYMYMX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MeeGoo 5-in-1 WiFi Air Quality Monitor CO2 Formaldehyde TVOC Temperature Humidity Detector 2000mAh Battery Tuya APP Control with Alarm for Home Office**MEEGOO**$36.82**0 rev3mo ago](https://www.amazon.sg/dp/B0GXV1SWCK) [**SwitchBot CO2 Sensor Carbon Dioxide Concentration Meter Thermometer/Hygrometer Alarm - Switchbot Digital Large Screen High Accuracy CO2 Measuring Device Comfort Index Weather Forecast Clock**SwitchBot**$55.57**2,084 rev1y ago](https://www.amazon.sg/dp/B0DBLKNYPY) [**INKBIRDPLUS Portable CO2 Detector Mini Indoor CO2 Monitor NDIR Sensor with Full Color LCD Indicator Light Alarm Auto Calibration for Home Office Travel**INKBIRDPLUS**$47.20**0 rev1y ago](https://www.amazon.sg/dp/B0DF2KMJXT) [**8-in-1 Air Quality Monitor HCHO TVOC PM2.5 CO CO2 Detector Formaldehyde Alarm Particulate Matter Tester Carbon Monoxide and Dioxide Meter AQI with Temperature Humidity Reader in Home**MOESAPU**$84.76**325 rev4y ago](https://www.amazon.sg/dp/B09M3LYVPW) [**INKBIRDPLUS Air Quality Monitor Indoor CO2 Meter Accurate Tester for CO2 HCHO TVOC Temperature and Relative Humidity Real Time Display Rechargeable Battery.**INKBIRDPLUS**$50.99**77 rev5y ago](https://www.amazon.sg/dp/B096ZYMYMX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MeeGoo 5-in-1 WiFi Air Quality Monitor CO2 Formaldehyde TVOC Temperature Humidity Detector 2000mAh Battery Tuya APP Control with Alarm for Home Office**MEEGOO**$36.82**0.0★**▲ 319%**](https://www.amazon.sg/dp/B0GXV1SWCK) [**8-in-1 Air Quality Monitor HCHO TVOC PM2.5 CO CO2 Detector Formaldehyde Alarm Particulate Matter Tester Carbon Monoxide and Dioxide Meter AQI with Temperature Humidity Reader in Home**MOESAPU**$84.76**3.9★**▲ 31%**](https://www.amazon.sg/dp/B09M3LYVPW) [![Aranet4 Home: Wireless Indoor Air Quality Monitor for Home Office or School [CO2 Temperature Humidity and More] Portable Battery Powered E-Ink Screen App for Configuration & Data History](https://m.media-amazon.com/images/I/41ioNdi11xL.jpg)**Aranet4 Home: Wireless Indoor Air Quality Monitor for Home Office or School \[CO2 Temperature Humidity and More\] Portable Battery Powered E-Ink Screen App for Configuration & Data History**SAF**$223.29**4.7★**▲ 17%**](https://www.amazon.sg/dp/B07YY7BH2W) [**SwitchBot CO2 Sensor Carbon Dioxide Concentration Meter Thermometer/Hygrometer Alarm - Switchbot Digital Large Screen High Accuracy CO2 Measuring Device Comfort Index Weather Forecast Clock**SwitchBot**$55.57**4.3★**— 5%**](https://www.amazon.sg/dp/B0DBLKNYPY) [**INKBIRDPLUS Portable CO2 Detector Mini Indoor CO2 Monitor NDIR Sensor with Full Color LCD Indicator Light Alarm Auto Calibration for Home Office Travel**INKBIRDPLUS**$47.20**0.0★**▼ 14%**](https://www.amazon.sg/dp/B0DF2KMJXT)
**~~View all trending →~~**
## **What buyers say about air quality monitor**
What buyers praise and complain about, mined from review topics.
### **What buyers complain about **
**Connectivity-Overall**50%
*“Negative - device communicates via Bluetooth to your phone APP”*
**Measurement/Reading Accuracy**50%
*“All functions were 20% inaccurate upon shipment. which is ok for home device., after calibration, temperature and humidity became 1% accurate and CO2 became 5-10% accurate which is ok for the price of the device”*
### **Top return reasons **
**Functionality-Overall**75%
**Touch/Button Controls**25%
## **Common questions**
- **Is air quality monitor profitable to sell on Amazon Singapore?**
- The niche generates $0/yr across 6 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +27.0%. Flapen's verdict: Skip it (33/100).
- **How competitive is the air quality monitor niche?**
- 5 brands and 12 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in air quality monitor?**
- Top complaints mined from reviews: Connectivity-Overall, Measurement/Reading Accuracy. The return rate is 2.8%.
- **When does demand for air quality monitor peak?**
- Demand peaks in Aug; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the air quality monitor niche?**
- Listings span $36.82–$223.29; the average listing price is $83.10 (sweet spot $15–$100). The average incumbent carries 713 reviews — the moat a new listing must climb.
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