X  Close Official AQ sensor station - Portlaoise, Co. Laois, Ireland

  PM2.5 PM10 O3 AQI classification       
Current 12 5 12 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
16-09-2026101623581111131623Good Air Quality
     
17-09-20261320306142011131530Good Air Quality
     
18-09-20261219245101910111324Good Air Quality
     
19-09-20261017248101312131424Good Air Quality
     
20-09-202612141511121410111515Good Air Quality
     
21-09-202681111477991011Good Air Quality
     
            

classification AQI The health effects should be based on 24 hours average values only.
Good Air Quality 0-50 Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate Air Quality 50-100 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for some 100-150 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy Air Quality 150-200 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 200-300 Health alert: everyone may experience more serious health effects
Hazardous Air Quality > 300 Health warnings of emergency conditions. The entire population is more likely to be affected
 More information:  EPA Air Quality Index      Sensor data captured at: 16-09-2026 20:00