What is the air quality in San Martín today?

The current Air Quality Index (AQI) in San Martín is 71 (Moderate). PM2.5 concentration is 21.35 µg/m³.

What is the temperature in San Martín right now?

The current temperature in San Martín is 22.5°C (feels like 22.5°C). Humidity is 62.1% and wind speed is 20.0 km/h.

Air Quality in San Martín, SV

Partly Cloudy

22.5°C · 62.1% humidity

22.5°

Feels 22.5°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated

58 2am

59 5am

86 8am

62 11am

62 2pm

12 5pm

12 8pm

24 11pm

Station readings

CAMS model adj -13

PM2.5 Trend (24h)

25h · 1 station

62.1%

Humidity

20.0 km/h

Wind NNW

1010.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for San Martín?

Temperature & Precipitation

PM2.521.35 µg/m³ ×1.4 WHO

Moderate

PM1027.4 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for San Martín?

04-10

35.3° 19.8°

04-11

36.9° 20.7°

04-12

37.7° 20.3°

04-13

36.8° 21.0°

04-14

37.1° 23.0°

04-15

36.4° 22.8°

4.63 mm

04-16

36.2° 23.4°

5.19 mm

Both models agree Avg diff: 1.9°C

What cities are near San Martín?

70 Cojutepeque 71 San Vicente 59 Ilopango 59 Soyapango 59 Delgado 59 Apopa 51 Chalatenango 59 Cuscatancingo 59 Mejicanos 70 Zacatecoluca

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T05:34 UTC.