Air Quality in Marietta, United States

Drizzle
32.3°C · 52.6% humidity
32.3°
Feels 36.7°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
25 6pm
25
32
38 9pm
42
45
47 12am
48
49
50 3am
51
31
31 6am
52
52
32 9am
52
52
32 12pm
32
25
25 3pm
25
25
Station readings
21
10
CAMS model adj -2
27
27
34
54
54
54
54
54
54
54
54
34
34
54
54
34
54
54
34
34
27
27
27
27
AD 728×90

Air Quality Index Trend

45h · 1 stn

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

52.6%
Humidity
36.5 km/h
Wind WNW
1012.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.09 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Marietta?

Temperature & Precipitation

PM2.5 Trend

45h · 1 station
PM2.59.09 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250

What is the 7-day forecast for Marietta?

08-03
32.7° 24.1°
1.0 mm
08-04
34.7° 23.6°
4.19 mm
08-05
33.1° 18.3°
1.06 mm
08-06
32.7° 22.5°
0.69 mm
08-07
32.5° 23.6°
0.06 mm
08-08
36.3° 23.2°
4.81 mm
08-09
34.3° 25.6°
1.0 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Marietta?

10
Alpharetta, Georgia, USA
25.5 km PM2.5: 2.5 µg/m³ PM10: 2.8 µg/m³

What cities are near Marietta?

42 Smyrna 38 Kennesaw 42 Mableton 29 Sandy Springs 29 Woodstock 39 Acworth 29 Roswell 29 Dunwoody 36 Lithia Springs 29 Brookhaven
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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 2026-08-08T01:01 UTC.