What is the air quality in Waterloo today?

The current Air Quality Index (AQI) in Waterloo is 118 (Unhealthy for sensitive groups). PM2.5 concentration is 42.4 µg/m³.

What is the temperature in Waterloo right now?

The current temperature in Waterloo is 25.6°C (feels like 25.6°C). Humidity is 77.3% and wind speed is 59.2 km/h.

Is it safe to go outside in Waterloo?

Sensitive groups should reduce prolonged outdoor exertion. The UV Index is 0 (Extreme).

Air Quality in Waterloo, SL

Windy

25.6°C · 77.3% humidity

25.6°

Feels 25.6°

118

Unhealthy for sensitive groups

Sensitive groups should reduce prolonged outdoor exertion.

Model forecast

Nearby Monitoring Stations

AQI Forecast

75 6am

75 9am

75 12pm

75 3pm

75 6pm

75 9pm

75 12am

75 3am

77.3%

Humidity

59.2 km/h

Wind WNW

1012.2 hPa

Pressure

24.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Waterloo?

Temperature & Precipitation

PM2.542.4 µg/m³ ×2.8 WHO

Unhealthy for sensitive groups

PM10104.9 µg/m³

Moderate

UV INDEX24.9

Extreme

What is the 7-day forecast for Waterloo?

04-10

25.6° 24.3°

04-11

25.9° 24.2°

04-12

25.8° 24.6°

04-13

26.0° 24.9°

2.56 mm

04-14

26.4° 24.7°

2.81 mm

04-15

26.4° 25.0°

1.63 mm

04-16

26.2° 25.0°

Both models agree Avg diff: 2.1°C

What cities are near Waterloo?

99 Freetown 99 Goderich 99 Port Loko 99 Lunsar 87 Mile 91 87 Njala 118 Forécariah 75 Makeni 75 Bumpe 118 Conakry

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T09:54 UTC.