What is the air quality in Machalí today?

The current Air Quality Index (AQI) in Machalí is 22 (Good). PM2.5 concentration is 5.35 µg/m³.

What is the temperature in Machalí right now?

The current temperature in Machalí is 9.5°C (feels like 5.2°C). Humidity is 26.1% and wind speed is 42.3 km/h.

Is it safe to go outside in Machalí?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Machalí, Chile

Windy

9.5°C · 26.1% humidity

9.5°

Feels 5.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

25 3pm

22 6pm

52 9pm

53 12am

54 3am

54 6am

54 9am

34 12pm

Air Quality Index Trend

38h · 1 stn

View full history →

Machalí's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

26.1%

Humidity

42.3 km/h

Wind E

1018.5 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.35 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Machalí?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station

PM2.55.35 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

5.35

Median

6.4

Average

3.4

Low

9.4

High

PM2.5 µg/m³ · Model: 6.15 · Bias: +0.8

Both models agree Avg diff: 4.6°C

Where are air quality stations near Machalí?

Rancagua I, Chile

6.3 km PM2.5: 8.2 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 31.1 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 7.0 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 8.4 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 5.3 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 10.8 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 10.1 µg/m³

Rancagua I, Chile

6.3 km PM2.5: 16.9 µg/m³

Rancagua II, Chile

9.1 km PM2.5: 1.0 µg/m³

Rancagua II, Chile

9.1 km PM2.5: 8.4 µg/m³

What cities are near Machalí?

25 Rancagua 29 Graneros 28 San Francisco de Mostazal 17 Rengo 50 Paine 17 San Vicente de Tagua Tagua 17 San Vicente 41 Buin 38 Pirque 24 Talagante

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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 2026-07-21T22:37 UTC.