What is the air quality in Mason today?

The current Air Quality Index (AQI) in Mason is 31 (Good). PM2.5 concentration is 7.43 µg/m³.

What is the temperature in Mason right now?

The current temperature in Mason is 11.9°C (feels like 11.9°C). Humidity is 64.3% and wind speed is 39.1 km/h.

Is it safe to go outside in Mason?

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

Air Quality in Mason, United States

Partly Cloudy

11.9°C · 64.3% humidity

11.9°

Feels 11.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

— 2pm

—

— 5pm

—

— 8pm

—

— 11pm

—

— 2am

—

— 5am

—

— 8am

—

— 11am

—

Air Quality Index Trend

44h · 6 stn

View full history →

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

64.3%

Humidity

39.1 km/h

Wind E

1024.1 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.43 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Mason?

Temperature & Precipitation

PM2.5 Trend

44h · 6 stations

PM2.57.43 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

7.43

Median

7.65

Average

6.2

Low

9.1

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +6.1

What is the 7-day forecast for Mason?

10-20

16.2° 1.6°

10-21

22.3° 7.8°

10-22

23.5° 6.4°

10-23

18.4° 3.9°

1.0 mm

10-24

20.3° 7.8°

10-25

14.1° 3.4°

0.06 mm

10-26

20.2° 9.2°

0.38 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Mason?

Sycamore, Ohio, USA

10.3 km PM2.5: 9.8 µg/m³

Lebanon, Ohio, USA

12.0 km PM2.5: 9.4 µg/m³

Cincinnati Near Road, Ohio, USA

30.9 km PM2.5: 5.3 µg/m³

What cities are near Mason?

38 Lebanon 25 Forest Park 38 Middletown 26 Fairfield 29 Hamilton 38 Springboro 24 Norwood 27 White Oak 20 Cincinnati 28 Miamisburg

Get AQI alerts for Mason

Notify me when air quality reaches:

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

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T21:44 UTC.