Air Quality in Freetown, Sierra Leone

Heavy Rain
24.5°C · 92.9% humidity
24.5°
Feels 24.5°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
10 stations

Nearby Monitoring Stations

AQI Forecast
25 11pm
25
25
58 2am
49
42
37 5am
34
31
29 8am
28
27
27 11am
26
25
25 2pm
24
24
25 5pm
25
25
25 8pm
25
25
AD 728×90

Air Quality Index Trend

46h · 10 stn

Current PM2.5 concentration in Freetown is 1.0× the WHO 24-hour guideline of 15 µg/m³.

92.9%
Humidity
5.4 km/h
Wind ENE
1016.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
58
15.54 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Freetown?

Temperature & Precipitation

PM2.5 Trend

46h · 10 stations
PM2.515.54 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (10 stations within 25 km)
15.54
Median
19.11
Average
9.21
Low
33.56
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -9.5

What is the 7-day forecast for Freetown?

05-31
27.6° 24.5°
14.5 mm
06-01
28.0° 23.6°
24.94 mm
06-02
28.5° 25.3°
1.69 mm
06-03
28.4° 24.3°
9.19 mm
06-04
27.3° 25.1°
1.94 mm
06-05
27.5° 25.2°
4.69 mm
06-06
28.1° 25.5°
15.25 mm
Both models agree Avg diff: 1.0°C

Where are air quality stations near Freetown?

41
Freetown City Council
0.4 km PM2.5: 9.8 µg/m³
58
Connaught Hospital
0.4 km PM2.5: 15.3 µg/m³
52
St Edward's Sec. School
1.3 km PM2.5: 12.5 µg/m³
44
SLBC
1.8 km PM2.5: 10.5 µg/m³
85
Cottage Hospital
1.9 km PM2.5: 28.1 µg/m³
81
Ross Road Hospital
2.7 km PM2.5: 26.6 µg/m³
38
34 Hospital
3.8 km PM2.5: 9.2 µg/m³
96
Shell Police Station
5.1 km PM2.5: 33.6 µg/m³
48
St Mark Church Lumley
5.4 km PM2.5: 11.6 µg/m³
76
Lalaba Town Police Station
10.9 km PM2.5: 23.8 µg/m³

What cities are near Freetown?

55 Goderich 73 Waterloo 25 Port Loko 29 Lunsar 26 Forécariah 26 Mile 91 27 Conakry 27 Camayenne 27 Dixinn 31 Coyah
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-31T02:50 UTC.