What is the air quality in Fairfield today?

The current Air Quality Index (AQI) in Fairfield is 43 (Good). PM2.5 concentration is 10.28 µg/m³.

What is the temperature in Fairfield right now?

The current temperature in Fairfield is 14.6°C (feels like 14.6°C). Humidity is 65.0% and wind speed is 65.7 km/h.

Is it safe to go outside in Fairfield?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Fairfield, United States

Windy

14.6°C · 65.0% humidity

14.6°

Feels 14.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast

25 3pm

43 6pm

31 9pm

27 12am

26 3am

25 6am

25 9am

25 12pm

Air Quality Index Trend

47h · 4 stn

View full history →

Fairfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Fairfield is 2.1× the WHO annual guideline of 5 µg/m³.

65.0%

Humidity

65.7 km/h

Wind NNE

1022.0 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.28 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Fairfield?

Temperature & Precipitation

PM2.5 Trend

47h · 4 stations

PM2.510.28 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX4.4

Moderate

Station readings (4 stations within 25 km)

10.28

Median

10.28

Average

8.4

Low

11.8

High

PM2.5 µg/m³ · Model: 10.0 · Bias: -0.3

What is the 7-day forecast for Fairfield?

05-28

31.4° 21.1°

12.19 mm

05-29

28.6° 8.3°

05-30

23.6° 17.9°

0.44 mm

05-31

29.9° 10.5°

06-01

30.1° 15.8°

0.56 mm

06-02

23.5° 12.2°

06-03

25.5° 22.0°

12.5 mm

Both models agree Avg diff: 4.4°C

Where are air quality stations near Fairfield?

Sycamore, Ohio, USA

18.3 km PM2.5: 7.9 µg/m³

Sycamore, Ohio, USA

18.3 km PM2.5: 11.3 µg/m³

Colerain, Ohio, USA

18.4 km PM2.5: 7.7 µg/m³

Colerain, Ohio, USA

18.4 km PM2.5: 9.1 µg/m³

What cities are near Fairfield?

43 Hamilton 44 Forest Park 40 White Oak 43 Mason 43 Norwood 39 Middletown 43 Cincinnati 43 Newport 42 Covington 44 Fort Thomas

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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 2026-05-28T22:52 UTC.