Your bargain sensors should be tingling – it’s just $20.99 (Banggood). Updated: 29-01-2026.
ZN-MT22 12-in-1 Air Quality Monitor AQI CO2 CO Formaldehyde TVOC PM2.5 PM10 Temperature Humidity TFT Screen 1200mAh Battery High-Precision Sensors – Black
Banggood warehouse: China.
Pretty sweet, this is the lowest price I have ever noted for this product!
Price: $20.99
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
I could not find it on Aliexpress. Click here to search by yourself.
Price history and price alert
Do you need price history chart (for all/most countries) for ZN-MT22 12-in-1 Air Quality Monitor? There we go. The lowest price was: $20.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).