Air purifier/ Instruction Manual
11 / EN
6
Introduction for Operation
Category
AIR QUALITY INDEX
Particulate Matter (μg/m3)
PM2.5
Good
Up to 50
0-12.0
Moderate
51-100
12.1-35.4
Unhealthy for Sensitive
Groups
101-150
35.5-55.4
Unhealthy
151-200
55.5-150.4
Very Unhealthy
201-300
150.5-250.4
Hazardous
301-500
250.5-500.4
*Table: Cautionary Statements for Guidance on the Air Quality index (AQI) and
PM2.5 level. (According to U.S. Environmental Protection Agency (EPA) Office
of Air Quality Planning and S Reporting of Daily Air Quality- the Air Quality Index
(AQI). EPA 454/B-18-007. September 20 assistance-document-sept2018.pdf)
