your.sensor.community

@CleanAirSheff @SensorCommunity @SheffCouncil @DefraUKAir @Duin46473580 @sheffield_dust @SheffieldStar @ShefClimateNews @SheffieldGreens @SheffieldAirQ SDS011 is definitely the best low cost sensor I have come across for monitoring PM2.5; even without calibration and correction for %RH the correlation (R sq.) has been above 0.9. Good enough to spot abnormalities and trend monitoring & should be used to investigate AQ issues.