Today | Weather | Wednesday, March 18, 2026

Active Weather Warnings

Freeze Warning

Weather in Smyrna, Georgia

08:23 AM

Now

32° F

Feels Like 36°

Precipitation 0 %

Wind 1 mph

UV Index (0 - 11+) 1

Humidity 62 %

Today

Day 55°

Night 36°

Precipitation 1 %

Wind 4 mph

UV Index (0 - 11+) 4

Smyrna Weather Forecast Updated

6 minutes ago

Last updated on March 18, 2026 at 8:17 AM

Air Quality in Smyrna

NOW

33 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 5.29 µg/m³

PM₁₀ 12.12 µg/m³

O₃ 0.035 ppm

NO₂ 2.2 ppb

SO₂ 0.3 ppb

CO 0.15 ppm

NH₃ 5.04 µg/m³

NO 0 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 5.29 µg/m³

PM₁₀ – 12.12 µg/m³

O₃ – 69.25 µg/m³

NO₂ – 4.2 µg/m³

SO₂ – 0.71 µg/m³

CO – 167.68 µg/m³

NH₃ – 5.04 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Smyrna

Moderate Expected Likely

Freeze Warning

Freeze Warning issued March 17 at 8:57PM EDT until March 18 at 10:00AM EDT by NWS Peachtree City GA

Mar 17, 11:00 PM → Mar 18, 10:00 AM

WHAT: Sub-freezing temperatures as low as 22 expected.

WHERE: Portions of central, east central, north central,
northeast, northwest, southeast, and west central Georgia.

WHEN: Until 10 AM EDT Wednesday.

IMPACTS: Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

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Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Updated: Mar 18, 8:17 AM Source: NWS Alert