Air Quality in Usulután, El Salvador
Rain
26.1°C · 85.9% humidity
26.1°
Feels 26.1°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Usulután's air quality — share it
AQI Forecast
25
8pm
25
25
52
11pm
44
39
35
2am
32
30
29
5am
28
27
26
8am
26
26
25
11am
25
27
27
2pm
27
27
27
5pm
27
27
Air Quality Index Trend
19h · 1 stnUsulután's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
85.9%
Humidity
43.4 km/h
Wind ESE
1010.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.36 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Usulután?
Temperature & Precipitation
PM2.5 Trend
19h · 1 stationPM2.512.36 µg/m³
✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Usulután?
05-30
30.8° 24.7°
5.5 mm
05-31
29.1° 25.9°
0.25 mm
06-01
26.9° 24.5°
9.94 mm
06-02
31.2° 24.1°
11.5 mm
06-03
29.5° 25.1°
5.31 mm
06-04
29.2° 24.5°
7.31 mm
06-05
29.2° 25.5°
0.75 mm
Both models agree
Avg diff: 1.2°C
What cities are near Usulután?
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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 2026-05-30T05:14 UTC.