Air Quality in Saint Helena
Real-time air quality data for cities in Saint Helena
25 monitored cities
Saint Helena has 25 monitored cities. Jamestown is the most polluted right now (AQI 68). No monitored cities are in the unhealthy range (AQI above 100).
Air quality snapshot
Median AQI
68
Good
3
Moderate
22
Unhealthy
0
Most Polluted Cities in Saint Helena
View All Most PollutedCleanest Cities in Saint Helena
View All CleanestUnderstanding Air Quality Index
Good
Air quality is satisfactory, and air pollution poses little or no risk.
Moderate
Air quality is acceptable. However, there may be a risk for some people.
Unhealthy for Sensitive Groups
Members of sensitive groups may experience health effects.
Unhealthy
Everyone may begin to experience health effects.
Very Unhealthy
Health alert: everyone may experience more serious health effects.
Hazardous
Health warnings of emergency conditions. The entire population is likely to be affected.
The Air Quality Index (AQI) is a scale from 0 to 500 that measures air pollution levels. Poor air quality can cause respiratory issues, cardiovascular problems, and other health concerns.
Source: US EPA Air Quality Index