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Melipilla (Santiago Metropolitan) (CL)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Heavy rain
15°C
Heavy rain
Humidity
88.5%
Wind
4 m/s
Pressure
1016.2 hPa
Direction
256°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
9° / 22°
Precip.
3.9mm
Max wind
3.7 m/s

Hourly Forecast

20.03
Now
Weather
15°
1.7
20.03
20:00
Weather
15°
2
20.03
21:00
Weather
14°
0.2
20.03
22:00
Weather
14°
20.03
23:00
Weather
13°
21.03
00:00
Weather
13°
21.03
01:00
Weather
12°
21.03
02:00
Weather
12°
21.03
03:00
Weather
11°
21.03
04:00
Weather
10°
21.03
05:00
Weather
10°
21.03
06:00
Weather
10°
21.03
07:00
Weather
21.03
08:00
Weather
21.03
09:00
Weather
21.03
10:00
Weather
21.03
11:00
Weather
21.03
12:00
Weather
11°
21.03
13:00
Weather
13°
21.03
14:00
Weather
15°
21.03
15:00
Weather
18°
21.03
16:00
Weather
20°
21.03
17:00
Weather
21°
21.03
18:00
Weather
22°

Temperature

22°C
9°C
19:00
15°C
20:00
15°C
21:00
14°C
22:00
14°C
23:00
13°C
00:00
13°C
01:00
12°C
02:00
12°C
03:00
11°C
04:00
10°C
05:00
10°C
06:00
10°C
07:00
9°C
08:00
9°C
09:00
9°C
10:00
9°C
11:00
9°C
12:00
11°C
13:00
13°C
14:00
15°C
15:00
18°C
16:00
20°C
17:00
21°C
18:00
22°C
19:00 06:00 18:00

Precipitation

2mm
0mm
19:00
1.7mm
20:00
2mm
21:00
0.2mm
19:00 06:00 18:00

Wind

3.7m/s
0m/s
19:00
3.5 m/s
20:00
2 m/s
21:00
2 m/s
22:00
2.2 m/s
23:00
2 m/s
00:00
1.2 m/s
01:00
0.8 m/s
02:00
0.8 m/s
03:00
0.7 m/s
04:00
1 m/s
05:00
0.9 m/s
06:00
0.6 m/s
07:00
0.6 m/s
08:00
1.2 m/s
09:00
1.1 m/s
10:00
0.6 m/s
11:00
0.8 m/s
12:00
1.5 m/s
13:00
1.1 m/s
14:00
1.3 m/s
15:00
2.1 m/s
16:00
3.2 m/s
17:00
3.7 m/s
18:00
3.7 m/s
19:00 06:00 18:00

Radiation

No sensor within 100 km.

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
58.5 km
117
39%

Measurement time: 2026-03-20 18:00

Calculated from PM2.5/PM10

PM2.5
58.5 km
42 µg/m3
50%

Measurement time: 2026-03-20 18:00

source: Aqicn

PM10
58.5 km
58 µg/m3
41.4%

Measurement time: 2026-03-20 18:00

source: Aqicn

O3
58.5 km
15.2 µg/m3
9.5%

Measurement time: 2026-03-20 18:00

source: Aqicn

NO2
58.5 km
5.7 µg/m3
2.9%

Measurement time: 2026-03-20 18:00

source: Aqicn

CO
58.5 km
0.0025 mg/m3
0%

Measurement time: 2026-03-20 18:00

source: Aqicn

Info


Country: Chile
Latitude: -33.68909
Longitude: -71.21528


Solar Energy

Low
261.5 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Melipilla

About Air Quality in Melipilla

Air quality in Melipilla is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Melipilla

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Melipilla?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Melipilla

If you're planning outdoor activities in Melipilla, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.