What is the air quality in Alpharetta today?

The current Air Quality Index (AQI) in Alpharetta is 4 (Good). PM2.5 concentration is 1.02 µg/m³.

What is the temperature in Alpharetta right now?

The current temperature in Alpharetta is 32.2°C (feels like 32.2°C). Humidity is 38.3% and wind speed is 48.5 km/h.

Is it safe to go outside in Alpharetta?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Alpharetta, United States

Windy

32.2°C · 38.3% humidity

32.2°

Feels 32.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast Calibrated

7 1pm

4 4pm

0 7pm

0 10pm

0 1am

0 4am

0 7am

0 10am

Station readings

CAMS model adj -27

Air Quality Index Trend

43h · 1 stn

View full history →

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

38.3%

Humidity

48.5 km/h

Wind E

1011.1 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.02 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Alpharetta?

Temperature & Precipitation

PM2.5 Trend

43h · 1 station

PM2.51.02 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX14.9

Extreme

Station readings (1 station within 25 km)

1.02

Median

1.02

Average

1.02

Low

1.02

High

PM2.5 µg/m³ · Model: 7.35 · Bias: +6.3

What is the 7-day forecast for Alpharetta?

07-21

32.2° 21.8°

2.63 mm

07-22

31.7° 20.6°

0.13 mm

07-23

34.7° 19.9°

5.5 mm

07-24

28.1° 19.1°

0.62 mm

07-25

29.1° 18.5°

11.19 mm

07-26

34.8° 21.2°

17.94 mm

07-27

27.0° 18.0°

3.25 mm

Both models agree Avg diff: 4.7°C

Where are air quality stations near Alpharetta?

Alpharetta, Georgia, USA

6.6 km PM2.5: 1.0 µg/m³ PM10: 1.0 µg/m³

Gwinnett Tech, Georgia, USA

24.3 km PM2.5: 24.0 µg/m³

Gwinnett Tech, Georgia, USA

24.3 km PM2.5: 10.3 µg/m³

What cities are near Alpharetta?

4 Roswell 4 Johns Creek 4 Peachtree Corners 4 Dunwoody 4 Duluth 4 Norcross 4 Sandy Springs 4 Chamblee 4 Suwanee 4 Woodstock

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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.