OrbisViews

Air quality · Florida

Key West Air Quality (AQI) Now

17 Good
European Air Quality Index
PM2.5
3.4µg/m³WHO limit 15
PM10
5.6µg/m³WHO limit 45
NO₂
0.3µg/m³
O₃
52µg/m³
Desert dust
0µg/m³
UV index
0.0
US AQI
23

Updated: · Source: Copernicus CAMS · Open-Meteo

Air quality in Key West is good right now: European Air Quality Index 17. Fine particulate matter (PM2.5) is 3.4 µg/m³, below the WHO guideline. Fine for all outdoor activities. Pollution is expected to peak around 16:00 over the next 48 hours (index 31, fair).

Key West 48-hour air quality forecast

01:00: 1701:0002:00: 1703:00: 1704:00: 1605:00: 1606:00: 1607:00: 1607:0008:00: 1609:00: 1610:00: 1611:00: 1612:00: 1613:00: 1713:0014:00: 1815:00: 1816:00: 1817:00: 1918:00: 1919:00: 1819:0020:00: 1821:00: 1822:00: 1823:00: 1800:00: 1801:00: 1801:0002:00: 1803:00: 1904:00: 2005:00: 2206:00: 2207:00: 2307:0008:00: 2309:00: 2410:00: 2511:00: 2612:00: 2713:00: 2813:0014:00: 2915:00: 3016:00: 3117:00: 3118:00: 3019:00: 2919:0020:00: 2921:00: 2922:00: 2923:00: 30

Air quality near Key West

Cleanest to most polluted.

Frequently asked questions

Is Key West polluted today?
Air quality in Key West is good right now: European Air Quality Index 17. Fine for all outdoor activities.
Is it safe to exercise outdoors in Key West today?
Yes, air quality is good right now; fine for outdoor exercise.
How is the air quality index calculated?
The European Air Quality Index is set by the worst of PM2.5, PM10, nitrogen dioxide, ozone and sulphur dioxide: 0–20 good, 20–40 fair, 40–60 moderate, 60–80 poor, 80–100 very poor, above 100 extremely poor.

Values are Copernicus Atmosphere Monitoring Service (CAMS) model forecasts and may differ from local monitoring stations.

Key West air quality: details

Pollutants and recent days

Nitrogen dioxide (NO₂) is 0.3 µg/m³ and ozone (O₃) 52 µg/m³; WHO guideline values are 25 (24 h) and 100 µg/m³ (8 h).