Connaught Hospital Air Quality

Monitoring Station · Freetown, Sierra Leone
169
Unhealthy
Everyone should reduce prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
151 4am
169
133
133 7am
133
133
133 10am
133
133
133 1pm
133
133
133 4pm
133
133
— 7pm
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—
— 10pm
—
—
— 1am
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Station readings
151
169
CAMS model adj +109
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Air Quality Forecast (24h)

PM2.589.7 µg/m³ ×6.0 WHO
Unhealthy
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Nearby Monitoring Stations

24
Freetown City Council
0.5 km PM2.5: 5.7 µg/m³
28
St Edward's Sec. School
0.9 km PM2.5: 6.7 µg/m³
31
Mountain Cut
1.5 km PM2.5: 7.4 µg/m³
66
SLBC
1.8 km PM2.5: 19.4 µg/m³
52
Cottage Hospital
2.2 km PM2.5: 12.6 µg/m³
12
Ross Road Hospital
3.1 km PM2.5: 2.9 µg/m³
25
34 Hospital
3.6 km PM2.5: 5.9 µg/m³
25
St Mark Church Lumley
5.2 km PM2.5: 5.9 µg/m³

Nearby Cities

107 Freetown 52 Goderich 74 Waterloo 38 Port Loko 37 Lunsar 25 Forécariah 25 Mile 91 25 Conakry 25 Camayenne

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T07:47 UTC.