Air Quality in St. Johns, United States

Drizzle
17.8°C · 53.1% humidity
17.8°
Feels 17.8°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
37 3pm
50
37
50 6pm
50
50
37 9pm
37
37
37 12am
37
50
37 3am
37
37
37 6am
37
37
37 9am
37
37
37 12pm
50
50
AD 728×90
53.1%
Humidity
93.9 km/h
Wind NNE
1021.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Temperature & Precipitation

PM2.58.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
04-09
17.8° 15.8°
2.75 mm
04-10
21.8° 17.4°
1.19 mm
04-11
23.0° 15.6°
0.06 mm
04-12
25.9° 16.5°
04-13
26.7° 17.7°
04-14
29.4° 16.1°
04-15
32.0° 17.3°

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T18:49 UTC.