What is the air quality in Marietta today?

The current Air Quality Index (AQI) in Marietta is 22 (Good). PM2.5 concentration is 5.27 µg/m³.

What is the temperature in Marietta right now?

The current temperature in Marietta is 20.8°C (feels like 20.8°C). Humidity is 24.8% and wind speed is 25.0 km/h.

Is it safe to go outside in Marietta?

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

Air Quality in Marietta, United States

Clear

20.8°C · 24.8% humidity

20.8°

Feels 20.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Station readings 6h ago

AQI 5

PM2.5 1.1 µg/m³ · 6h ago

Air Quality Index Trend

9h · 1 stn

View full history →

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.

24.8%

Humidity

25.0 km/h

Wind W

1017.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.27 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Marietta?

Temperature & Precipitation

PM2.5 Trend

9h · 1 station

PM2.55.27 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Marietta?

10-20

21.7° 6.4°

10-21

25.5° 11.5°

10-22

24.7° 15.9°

10-23

18.6° 12.8°

10.75 mm

10-24

21.0° 15.0°

10-25

19.7° 7.3°

0.06 mm

10-26

23.2° 8.1°

0.62 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Marietta?

–

Alpharetta, Georgia, USA

25.5 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Marietta?

60 Smyrna 20 Kennesaw 60 Mableton 60 Sandy Springs 27 Woodstock 20 Acworth 27 Roswell 27 Dunwoody 46 Lithia Springs 60 Brookhaven

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

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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 2026-10-20T20:56 UTC.