What is the air quality in Waterloo today?

The current Air Quality Index (AQI) in Waterloo is 43 (Good). PM2.5 concentration is 10.4 µg/m³.

What is the temperature in Waterloo right now?

The current temperature in Waterloo is 4.5°C (feels like -3.2°C). Humidity is 89.3% and wind speed is 72.7 km/h.

Is it safe to go outside in Waterloo?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (Low).

Air Quality in Waterloo, United States

Rain

4.5°C · 89.3% humidity

4.5°

Feels -3.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

12 7pm

12 10pm

12 1am

12 4am

12 7am

12 10am

25 1pm

25 4pm

89.3%

Humidity

72.7 km/h

Wind NNE

1017.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Waterloo?

Temperature & Precipitation

PM2.510.4 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Waterloo?

04-09

16.5° 8.0°

16.5 mm

04-10

8.2° 2.2°

25.44 mm

04-11

13.2° 3.0°

04-12

15.6° 10.3°

9.13 mm

04-13

24.2° 17.3°

3.88 mm

04-14

22.7° 11.7°

6.87 mm

04-15

10.7° 1.1°

0.06 mm

Both models agree Avg diff: 7.0°C

Where are air quality stations near Waterloo?

Water Tower, Waterloo, Iowa, USA

2.4 km

What cities are near Waterloo?

43 Cedar Falls 43 Marshalltown 37 Cedar Rapids 37 Marion 31 Mason City 25 North Liberty 25 Coralville 25 Iowa City 43 Ames 37 Altoona

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T22:46 UTC.