Handheld pm25 dust sensor indicated harmful bad air quality even in park with lots of big trees
EyeEmYou might also like these photos
- air pollution
- pollution
- mobile technology
- holding mobile
- hand mobile
- internet
- communication technology
- communication
- wireless
- information technology
- holding
- touch
- smog
- environment
- day
- hand
- digital
- portable
- mobile screen
- screen
- conservation
- digital screen
- informative
- nature
- hand holding
- smoke
- breath
- city technology
- life
- device
- digital technology
- technology touch
- smoke text
- technology
- dust