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PM2.5 Particulate Matter
Fine particulate matter with diameter ≤2.5 microns, measured in micrograms per cubic meter. Critical for indoor air quality assessment, especially post-COVID building standards.
Brick
PM2.5_Sensor
Category
iaq
Typical Range
-
Object Type
-
Haystack
Tags
airMarkerpm25MarkersensorMarkerpointMarker
Kind
Number
Point Function
sensor
Haystack Unit
µg/m³
Source Units
µg/m³
States
-
Aliases
Common
Common Misspellings
pm2.5-sensorparticulate-mater
Notes
- EPA Air Quality Index (AQI) categories for PM2.5 range from 0 (good) to 500+ (hazardous)
- Increasingly required in commercial buildings for IAQ monitoring
- Used to control filtration levels and outdoor air intake during poor outdoor air quality events