What is the air quality in Sebastian today?

The current Air Quality Index (AQI) in Sebastian is 21 (Good). PM2.5 concentration is 5.13 µg/m³.

What is the temperature in Sebastian right now?

The current temperature in Sebastian is 31.1°C (feels like 36.4°C). Humidity is 62.6% and wind speed is 65.8 km/h.

Is it safe to go outside in Sebastian?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 17.4 (Extreme).

Air Quality in Sebastian, United States

Drizzle

31.1°C · 62.6% humidity

31.1°

Feels 36.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

25 8am

21 11am

25 2pm

24 5pm

24 8pm

24 11pm

24 2am

24 5am

Air Quality Index Trend

37h · 2 stn

View full history →

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

62.6%

Humidity

65.8 km/h

Wind ENE

1018.8 hPa

Pressure

17.4

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.13 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Sebastian?

Temperature & Precipitation

PM2.5 Trend

37h · 2 stations

PM2.55.13 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX17.4

Extreme

What is the 7-day forecast for Sebastian?

09-05

31.1° 24.4°

2.87 mm

09-06

32.3° 25.2°

4.88 mm

09-07

34.8° 24.9°

6.5 mm

09-08

33.6° 24.5°

2.63 mm

09-09

31.6° 24.8°

7.44 mm

09-10

32.0° 25.5°

3.19 mm

09-11

31.0° 25.5°

5.25 mm

Both models agree Avg diff: 1.3°C

What cities are near Sebastian?

23 Vero Beach 24 Vero Beach South 21 Palm Bay 24 Florida Ridge 21 Melbourne 21 West Melbourne 25 Fort Pierce 26 Port Saint Lucie 23 Merritt Island 23 Rockledge

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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 2026-09-05T15:52 UTC.