Air quality in San Salvador today
El Salvador · Updated Thursday 23:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Moderate European AQI
Sensitive people may want to take it easier outdoors.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 19 µg/m³ | Fair |
| PM10 | 19 µg/m³ | Good |
| NO₂ | 21 µg/m³ | Good |
| O₃ | 21 µg/m³ | Good |
The pollutant that matters most in San Salvador right now is PM2.5.
Forecast: next 24 hours
Over the next 24 hours the air in San Salvador is expected to be worst around Fri 14:00 (AQI 62, poor). The cleanest hour is expected around Fri 23:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 00:00 | 42 | Moderate | 18 |
| Fri 03:00 | 42 | Moderate | 18 |
| Fri 06:00 | 40 | Fair | 15 |
| Fri 09:00 | 47 | Moderate | 13 |
| Fri 12:00 | 60 | Moderate | 10 |
| Fri 15:00 | 58 | Moderate | 10 |
| Fri 18:00 | 36 | Fair | 13 |
| Fri 21:00 | 36 | Fair | 13 |
The last 30 days
Over the last 30 days the average daily AQI in San Salvador was 38, with 0 day(s) rated poor or worse. The cleanest day was 23 Sept, the most polluted 31 Aug.
Questions and answers
- Is the air in San Salvador good today?
- Right now the European Air Quality Index in San Salvador is 42, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in San Salvador?
- At the moment PM2.5 contributes most to the air quality index in San Salvador. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in San Salvador be cleanest?
- Over the next 24 hours the air in San Salvador is expected to be worst around Fri 14:00 (AQI 62, poor). The cleanest hour is expected around Fri 23:00.
- 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.