Air Quality in Marietta, United States

Windy
33.5°C · 34.2% humidity
33.5°
Feels 33.5°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
7 1pm
0
0
13 4pm
9
7
5 7pm
10
2
2 10pm
1
1
1 1am
0
0
0 4am
0
0
0 7am
0
0
0 10am
0
0
Station readings
5
4
4
CAMS model adj -27
34
27
27
27
27
27
27
34
27
27
27
27
27
27
25
25
25
25
25
25
25
27
27
27
AD 728×90

Air Quality Index Trend

43h · 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.

34.2%
Humidity
50.3 km/h
Wind E
1010.6 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
13
3.12 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Marietta?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station
PM2.53.12 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250

What is the 7-day forecast for Marietta?

07-21
33.5° 24.6°
3.44 mm
07-22
32.5° 21.5°
1.13 mm
07-23
35.5° 22.4°
5.12 mm
07-24
29.9° 20.7°
1.19 mm
07-25
30.0° 19.9°
8.63 mm
07-26
35.9° 21.5°
9.13 mm
07-27
29.4° 18.6°
3.06 mm
Both models agree Avg diff: 3.6°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
4
Alpharetta, Georgia, USA
25.5 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³

What cities are near Marietta?

26 Smyrna 13 Kennesaw 26 Mableton 4 Sandy Springs 4 Woodstock 13 Acworth 4 Roswell 4 Dunwoody 13 Lithia Springs 4 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 2026-07-21T20:10 UTC.