Air Quality in Marietta, United States

Windy
34.0°C · 37.0% humidity
34.0°
Feels 34.0°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
46 9am
46
46
21 12pm
28
33
44 3pm
46
48
50 6pm
51
51
72 9pm
72
72
73 12am
73
73
73 3am
73
73
73 6am
73
73
Station readings
41
46
50
CAMS model adj +19
27
27
27
27
27
27
34
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

47h · 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.

37.0%
Humidity
42.2 km/h
Wind W
1018.3 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.03 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Marietta?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.55.03 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250

What is the 7-day forecast for Marietta?

09-05
34.0° 25.5°
1.0 mm
09-06
31.3° 23.4°
0.62 mm
09-07
24.8° 20.7°
2.12 mm
09-08
27.4° 22.2°
1.31 mm
09-09
28.8° 17.6°
0.81 mm
09-10
37.2° 22.9°
09-11
35.9° 24.4°
0.06 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Marietta?

4
united-states-of-america-atlanta-park-drive-ne
25.4 km PM2.5: 1.0 µg/m³
50
Alpharetta, Georgia, USA
25.5 km PM2.5: 11.9 µg/m³ PM10: 11.9 µg/m³

What cities are near Marietta?

13 Smyrna 28 Kennesaw 13 Mableton 37 Sandy Springs 45 Woodstock 28 Acworth 45 Roswell 45 Dunwoody 20 Lithia Springs 27 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 2026-09-05T16:32 UTC.