Singapore air quality ● LIVE
Official regional readings1-hour PM₂.₅Reading bands · µg/m³
0–55Normal
56–150Elevated
151–250High
251+Very High
24-hour PSIAir quality classifications
0–50Good
51–100Moderate
101–200Unhealthy
201–300Very Unhealthy
301+Hazardous
NEA classification thresholds · Colours are customised for this website.