What is the air quality in Freeport today?

The current Air Quality Index (AQI) in Freeport is 44 (Good). PM2.5 concentration is 10.49 µg/m³.

What is the temperature in Freeport right now?

The current temperature in Freeport is 7.7°C (feels like 1.3°C). Humidity is 57.9% and wind speed is 74.3 km/h.

Is it safe to go outside in Freeport?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Freeport, United States

Windy

7.7°C · 57.9% humidity

7.7°

Feels 1.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

29h · 1 stn

View full history →

Freeport's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

57.9%

Humidity

74.3 km/h

Wind NE

1029.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.49 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Freeport?

Temperature & Precipitation

PM2.5 Trend

29h · 1 station

PM2.510.49 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Freeport?

10-20

7.7° 0.8°

10-21

21.3° 10.1°

1.31 mm

10-22

13.5° 5.8°

10-23

11.4° 6.4°

2.63 mm

10-24

20.8° 6.8°

10-25

12.7° 0.0°

1.13 mm

10-26

17.2° 1.6°

4.0 mm

Both models agree Avg diff: 6.0°C

What cities are near Freeport?

17 Rockford 28 Loves Park 28 Machesney Park 20 Dixon 28 Beloit 49 Sterling 28 Belvidere 28 Janesville 26 Fitchburg 31 DeKalb

Get AQI alerts for Freeport

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-20T20:56 UTC.