Air quality in Santiago today
Chile · Updated Friday 03:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Poor European AQI
Consider less intense outdoor activity, especially if you have heart or lung conditions.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 76 µg/m³ | Extremely poor |
| PM10 | 80 µg/m³ | Poor |
| NO₂ | 87 µg/m³ | Fair |
| O₃ | 11 µg/m³ | Good |
The pollutant that matters most in Santiago right now is PM2.5.
Forecast: next 24 hours
Over the next 24 hours the air in Santiago is expected to be worst around Fri 15:00 (AQI 155, extremely poor). The cleanest hour is expected around Fri 20:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 04:00 | 75 | Poor | 80 |
| Fri 07:00 | 75 | Poor | 81 |
| Fri 10:00 | 90 | Very poor | 116 |
| Fri 13:00 | 133 | Extremely poor | 78 |
| Fri 16:00 | 142 | Extremely poor | 58 |
| Fri 19:00 | 65 | Poor | 49 |
| Fri 22:00 | 63 | Poor | 54 |
| Sat 01:00 | 63 | Poor | 55 |
The last 30 days
Over the last 30 days the average daily AQI in Santiago was 76, with 18 day(s) rated poor or worse. The cleanest day was 20 Sept, the most polluted 2 Sept.
Questions and answers
- Is the air in Santiago good today?
- Right now the European Air Quality Index in Santiago is 74, which is poor. Consider less intense outdoor activity, especially if you have heart or lung conditions.
- What pollutes the air in Santiago?
- At the moment PM2.5 contributes most to the air quality index in Santiago. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Santiago be cleanest?
- Over the next 24 hours the air in Santiago is expected to be worst around Fri 15:00 (AQI 155, extremely poor). The cleanest hour is expected around Fri 20:00.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.