Air Quality in Mason, United States

Drizzle
29.5°C · 57.6% humidity
29.5°
Feels 33.3°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 9am
54
54
49 12pm
50
51
52 3pm
33
33
33 6pm
34
34
34 9pm
27
25
25 12am
25
25
25 3am
25
25
25 6am
25
25
AD 728×90

Air Quality Index Trend

36h · 4 stn

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.

57.6%
Humidity
33.9 km/h
Wind ENE
1012.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
49
11.85 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Mason?

Temperature & Precipitation

PM2.5 Trend

36h · 4 stations
PM2.511.85 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (2 stations within 25 km)
11.85
Median
11.95
Average
11.3
Low
12.6
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +4.5

What is the 7-day forecast for Mason?

07-21
29.5° 20.1°
0.88 mm
07-22
24.8° 20.1°
0.5 mm
07-23
22.3° 16.6°
1.37 mm
07-24
24.8° 17.3°
4.75 mm
07-25
22.1° 18.5°
6.06 mm
07-26
27.5° 17.6°
2.19 mm
07-27
27.2° 19.8°
Both models agree Avg diff: 3.3°C

Where are air quality stations near Mason?

26
Sycamore, Ohio, USA
10.3 km PM2.5: 6.2 µg/m³
72
Sycamore, Ohio, USA
10.3 km PM2.5: 22.1 µg/m³
21
Lebanon, Ohio, USA
12.0 km PM2.5: 5.0 µg/m³
70
Lebanon, Ohio, USA
12.0 km PM2.5: 21.1 µg/m³

What cities are near Mason?

52 Lebanon 40 Forest Park 52 Middletown 37 Fairfield 37 Hamilton 52 Springboro 40 Norwood 32 White Oak 40 Cincinnati 45 Miamisburg
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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 2026-07-21T16:49 UTC.