Air Quality in Usulután, El Salvador
Drizzle
24.5°C · 84.8% humidity
24.5°
Feels 24.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Usulután's air quality — share it
AQI Forecast
54
1am
34
27
42
4am
38
35
60
7am
58
57
36
10am
35
35
35
1pm
35
34
27
4pm
27
27
54
7pm
54
34
34
10pm
34
27
Air Quality Index Trend
23h · 1 stnUsulután's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
84.8%
Humidity
36.3 km/h
Wind NE
1010.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.21 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Usulután?
Temperature & Precipitation
PM2.5 Trend
23h · 1 stationPM2.510.21 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Usulután?
07-22
29.6° 24.5°
8.12 mm
07-23
29.3° 24.6°
11.12 mm
07-24
31.3° 24.1°
4.37 mm
07-25
30.6° 24.1°
2.31 mm
07-26
29.4° 24.4°
0.06 mm
07-27
27.8° 23.4°
2.5 mm
07-28
29.8° 24.7°
3.19 mm
Both models agree
Avg diff: 1.6°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 2026-07-22T10:44 UTC.