OUTDOOR PM2.5
West Coast · Pandan Gardens area
Ave · last 5 valid raw readings
—
µg/m³
RAW—
NEA EST.—
Outdoor trend
≤20 green
20–35 yellow
>35 red
Sensor updated: awaiting data…
Time in brackets = this page's last successful ThingSpeak check.
Experimental DIY sensor. Zero and readings above 500 are excluded from Ave and the graph. NEA is an estimate from a historical fit (−0.8 + 0.790 × Ave), not a live NEA reading; higher values are extrapolated. The action bands are household choices based on Ave.
Source: ThingSpeak channel 865703. This display assumes the sensor is outdoors.