Dylos AQM PM2.5 Converter

This is based on this spreadsheet (http://www.myhealthbeijing.com/wp-content/uploads/2015/04/Dylos-AQI-Conversion-Spreadsheet.xlsx)

pm2.5v2: This is based on https://smartairfilters.com/en/blog/are-particle-counters-and-government-machines-the-same/

pm2.5v3: this is based on https://www.fijnstofmeter.com/documentatie/Dylos-DC1100-PRO-field-evaluation.pdf

Dylos Count (Small particles)
PM2.5 v1(myhealthbeijing)
PM2.5 v2 (smartairfilters)
PM2.5 v3 (fijnstofmeter)

What does this mean?

This is a copy of the data from https://blissair.com/what-is-pm-2-5.htm, which seems like a pretty good source.

PM2.5
Air Quality Index
PM2.5 Health Effects
Precautionary Actions
0 to 12.0
Good
0 to 50
Little to no risk. None.
12.1 to 35.4
Moderate
51 to 100
Unusually sensitive individuals may experience respiratory symptoms. Unusually sensitive people should consider reducing prolonged or heavy exertion.
35.5 to 55.4
Unhealthy for Sensitive Groups
101 to 150
Increasing likelihood of respiratory symptoms in sensitive individuals, aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly. People with respiratory or heart disease, the elderly and children should limit prolonged exertion.
55.5 to 150.4
Unhealthy
151 to 200
Increased aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; increased respiratory effects in general population. People with respiratory or heart disease, the elderly and children should avoid prolonged exertion; everyone else should limit prolonged exertion.
150.5 to 250.4
Very Unhealthy
201 to 300
Significant aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; significant increase in respiratory effects in general population. People with respiratory or heart disease, the elderly and children should avoid any outdoor activity; everyone else should avoid prolonged exertion.
250.5 to 500.4
Hazardous
301 to 500
Serious aggravation of heart or lung disease and premature mortality in persons with cardiopulmonary disease and the elderly; serious risk of respiratory effects in general population. Everyone should avoid any outdoor exertion; people with respiratory or heart disease, the elderly and children should remain indoors.