Air quality
Air quality in La Pintana today
Updated
Moderate (US AQI 85) Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. Model estimate for Sun, Oct 25, 5:00 pm (20:00 UTC).
Live AQI, PM2.5, PM10 and ozone for La Pintana, Santiago Metropolitan, Chile, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 85 Moderate
- PM2.5
- 13 µg/m³ 0.8× WHO 24-h guideline
- PM10
- 13 µg/m³
- Ozone
- 117 µg/m³
- Dominant pollutant
- ozone sub-index 85
- Best hour today
- 9:00 pm AQI 78
- European AQI
- 57
Air quality in La Pintana right now
Right now the modelled US Air Quality Index for La Pintana, Santiago Metropolitan, Chile is 85, which falls in the "Moderate" band (up to 100). Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
The index is driven mainly by ozone, whose own sub-index is 85. Ozone usually peaks in the afternoon on sunny days and falls back after sunset.
PM2.5 is 13 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 13 µg/m³ against a guideline of 45; ozone is 117 µg/m³ (above the WHO 8-hour level of 100); nitrogen dioxide is 6.1 µg/m³ (below the 24-hour guideline of 25).
Also this hour: UV index 1.9, carbon monoxide 200 µg/m³.
NASA FIRMS shows 14 fire hotspots within 300 km in the last day (nearest about 33 km), but particle levels are not elevated enough to point to smoke right now.
La Pintana AQI forecast: next 48 hours
Over the next 24 hours the AQI is forecast to range from 72 around Mon 11:00 am to 97 around Sun 7:00 pm, staying "Moderate" throughout.
The following day is expected to be cleaner, averaging about 70 against 78 for the next 24 hours.
| Local time (America/Santiago) | US AQI | Category | PM2.5 µg/m³ | PM10 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Sun 5:00 pm | 85 | Moderate | 12.6 | 13 | 117 |
| Sun 8:00 pm | 86 | Moderate | 18.3 | 19 | 59 |
| Sun 11:00 pm | 77 | Moderate | 27.4 | 29 | 14 |
| Mon 2:00 am | 77 | Moderate | 32.1 | 34 | 4 |
| Mon 5:00 am | 75 | Moderate | 22.8 | 25 | 4 |
| Mon 8:00 am | 74 | Moderate | 17.9 | 20 | 7 |
| Mon 11:00 am | 72 | Moderate | 25.3 | 28 | 53 |
| Mon 2:00 pm | 75 | Moderate | 28.4 | 30 | 91 |
| Mon 5:00 pm | 76 | Moderate | 12.9 | 14 | 89 |
| Mon 8:00 pm | 76 | Moderate | 14.6 | 18 | 55 |
| Mon 11:00 pm | 75 | Moderate | 14.5 | 17 | 40 |
| Tue 2:00 am | 71 | Moderate | 13.4 | 16 | 43 |
| Tue 5:00 am | 67 | Moderate | 15 | 18 | 35 |
| Tue 8:00 am | 66 | Moderate | 16 | 19 | 28 |
| Tue 11:00 am | 66 | Moderate | 21.5 | 23 | 73 |
| Tue 2:00 pm | 64 | Moderate | 16.2 | 17 | 108 |
| Tue 5:00 pm | 62 | Moderate | 11.3 | 12 | 109 |
Every third hour of the CAMS forecast via Open-Meteo. US AQI uses rolling averages (24 h for particles, 8 h for ozone), so it moves more slowly than the hourly concentrations.
Best time to be outside in La Pintana today
Between 6 am and 9 pm local time, the cleanest air today is forecast around 9:00 pm (AQI 78, Moderate) and the worst around 7:00 pm (AQI 97). That is a swing of 19 points, so a run or walk around 9:00 pm is noticeably better.
La Pintana vs the rest of Chile
Across 17 Chile cities we track, the average US AQI right now is 59 (Moderate). La Pintana at 85 is 26 points worse than average.
It ranks 15 of 17 from cleanest to most polluted; the cleanest is Victoria, Araucania (24) and the most polluted Lo Prado (85).
For context, the median across 3,909 cities worldwide is 56.
Air quality in cities near La Pintana
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| San Bernardo | 6 km | 85 | Moderate | 12.6 |
| Puente Alto | 6 km | 48 | Good | 9.4 |
| Santiago | 14 km | 85 | Moderate | 12.6 |
| Maipú | 14 km | 85 | Moderate | 12.6 |
| Peñalolén | 16 km | 48 | Good | 9.4 |
| Lo Prado | 18 km | 85 | Moderate | 12.6 |
| Renca | 21 km | 85 | Moderate | 12.6 |
| Casablanca, Valparaiso | 77 km | 49 | Good | 9.3 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of La Pintana, so the numbers on this page are model estimates. Models capture regional pollution well but can miss very local sources such as a busy road or a nearby fire.
Advice for sensitive groups
At 85, most people are fine outdoors. If you are unusually sensitive to ozone, keep long or intense workouts to the cleaner hours shown above.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for La Pintana
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), NASA FIRMS.