Air Quality in Machalí, Chile

Cloudy
6.0°C · 76.1% humidity
6.0°
Feels 4.7°
114
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
146 7pm
146
146
114 10pm
123
130
134 1am
138
140
142 4am
81
82
144 7am
145
145
145 10am
146
146
146 1pm
84
84
84 4pm
84
84
AD 728×90

Air Quality Index Trend

35h · 1 stn

Machalí's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons. Current PM2.5 concentration in Machalí is 2.7× the WHO 24-hour guideline of 15 µg/m³.

76.1%
Humidity
6.8 km/h
Wind SSW
1019.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
114
40.85 µg/m³
PM10
76
104.9 µg/m³
050100150200300500

What is the weather forecast for Machalí?

Temperature & Precipitation

PM2.5 Trend

35h · 1 station
PM2.540.85 µg/m³ ×2.7 WHO
Unhealthy for sensitive groups
PM10104.9 µg/m³
Moderate
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Machalí?

06-09
11.2° 4.2°
0.06 mm
06-10
16.7° 4.3°
4.25 mm
06-11
14.6° 7.1°
24.56 mm
06-12
10.9° -0.9°
0.88 mm
06-13
7.4° 3.3°
7.94 mm
06-14
9.8° -5.6°
0.88 mm
06-15
10.0° 0.8°
17.75 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Machalí?

13
Rancagua I, Chile
6.3 km PM2.5: 3.1 µg/m³
29
Rancagua I, Chile
6.3 km PM2.5: 7.0 µg/m³
35
Rancagua I, Chile
6.3 km PM2.5: 8.4 µg/m³
39
Rancagua I, Chile
6.3 km PM2.5: 9.4 µg/m³
22
Rancagua I, Chile
6.3 km PM2.5: 5.3 µg/m³
26
Rancagua I, Chile
6.3 km PM2.5: 6.2 µg/m³
107
Rancagua I, Chile
6.3 km PM2.5: 37.9 µg/m³
32
Rancagua I, Chile
6.3 km PM2.5: 7.7 µg/m³
75
Rancagua II, Chile
9.1 km PM2.5: 23.5 µg/m³
36
Rancagua II, Chile
9.1 km PM2.5: 8.6 µg/m³

What cities are near Machalí?

156 Rancagua 146 Graneros 146 San Francisco de Mostazal 154 Rengo 128 Paine 154 San Vicente de Tagua Tagua 154 San Vicente 153 Buin 130 Pirque 66 Talagante
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:53 UTC.