![DP04 reading bad air quality for last three days, but only at night..cleaned sensors and it goes back down? Is there a fix instead of cleaning the sensors nightly? : r/dyson DP04 reading bad air quality for last three days, but only at night..cleaned sensors and it goes back down? Is there a fix instead of cleaning the sensors nightly? : r/dyson](https://i.redd.it/q031nq6hpmk51.jpg)
DP04 reading bad air quality for last three days, but only at night..cleaned sensors and it goes back down? Is there a fix instead of cleaning the sensors nightly? : r/dyson
![Best Buy: Dyson PH01 Pure Humidify + Cool Smart Tower Humidifier & Air Purifier White/Silver 275371-01 Best Buy: Dyson PH01 Pure Humidify + Cool Smart Tower Humidifier & Air Purifier White/Silver 275371-01](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6401/6401109cv20d.jpg)
Best Buy: Dyson PH01 Pure Humidify + Cool Smart Tower Humidifier & Air Purifier White/Silver 275371-01
![Dyson Pure Cool, TP04 10-Speed (Covers: 800-sq ft) Smart White HEPA Air Purifier ENERGY STAR in the Air Purifiers department at Lowes.com Dyson Pure Cool, TP04 10-Speed (Covers: 800-sq ft) Smart White HEPA Air Purifier ENERGY STAR in the Air Purifiers department at Lowes.com](http://mobileimages.lowes.com/productimages/13c9382b-bebf-47db-ad4c-1c3794a81b54/08907828.jpg?size=pdhism)