Air Quality Index:
Pollen Information:
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What Does Pollen Index Mean?
The pollen index is the level of airborne grains concentration per category and species.
Score
Description
5
High
4
Medium to High
3
Medium
2
Low to Medium
1
Low
0
Minimal to None
Null
Not in season
Value
Color
Level of Health concern
Meaning
0-50
Green
Good
Air Quality is considered satisfactory, and air
pollution poses little to no risk
51-100
Yellow
Moderate
Air Quality is acceptable; however, for some
pollutants there may be a moderate health concern for a small number of people
who are unusually sensitive to air pollution.
101-150
Orange
Unhealthy for sensitive groups
Members of sensitive groups may experience health
effects. The general public is not likely to be affected.
151-200
Red
Unhealthy
Everyone may begin to experience health effects;
members of sensitive groups may experience more serious health effects
201-300
Purple
Very Unhealthy
Health Alert: everyone may experience more serious
health effects.
301-500
Maroon
Hazardous
Health warnings of emergency conditions. The entire
population is more likely to be affected.