Puerto Rico

Air quality overview and monitoring data — 2025

120

Monitoring Sites

1,425

Active Monitors

29

Counties with Data

31

Cities Monitored

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County Air Quality

CountyMedian AQI ▲90th %ileMax AQIGoodModerateUSGUnhealthy
Caguas32963148900
Ponce541671101100
Mayagnez1228350158122
Guayama18384028000
Bayamon29541021001120
Fajardo29596548800
Guaynabo30596649800
Catano4460931136200

Pollutant Trends

Ozone

No data available

PM2.5

No data available

PM10

No data available

CO

No data available

NO2

No data available

SO2

No data available

External Links