Air Quality in Sebastian, United States
Drizzle
24.5°C · 80.3% humidity
24.5°
Feels 24.5°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Sebastian's air quality — share it
AQI Forecast
27
3pm
27
25
38
6pm
35
31
29
9pm
28
27
26
12am
26
26
26
3am
25
27
27
6am
27
27
27
9am
27
27
27
12pm
27
27
Air Quality Index Trend
31h · 1 stnSebastian's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Sebastian is 1.8× the WHO annual guideline of 5 µg/m³.
80.3%
Humidity
47.2 km/h
Wind ESE
1013.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.06 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Sebastian?
Temperature & Precipitation
PM2.5 Trend
31h · 1 stationPM2.59.06 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
What is the 7-day forecast for Sebastian?
05-28
29.4° 25.4°
7.94 mm
05-29
27.4° 24.1°
1.94 mm
05-30
28.6° 22.9°
1.31 mm
05-31
29.6° 22.9°
0.62 mm
06-01
30.6° 22.7°
6.19 mm
06-02
30.3° 24.7°
1.88 mm
06-03
27.6° 23.4°
0.31 mm
Both models agree
Avg diff: 1.7°C
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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 2026-05-28T22:51 UTC.