Air quality in San Antonio today
United States · Updated Friday 04:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Fair European AQI
Fine for almost everyone.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 13 µg/m³ | Fair |
| PM10 | 15 µg/m³ | Good |
| NO₂ | 7 µg/m³ | Good |
| O₃ | 85 µg/m³ | Fair |
The pollutant that matters most in San Antonio right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in San Antonio is expected to be worst around Fri 14:00 (AQI 70, poor). The cleanest hour is expected around Sat 02:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 05:00 | 35 | Fair | 13 |
| Fri 08:00 | 40 | Fair | 15 |
| Fri 11:00 | 64 | Poor | 10 |
| Fri 14:00 | 70 | Poor | 8 |
| Fri 17:00 | 68 | Poor | 7 |
| Fri 20:00 | 55 | Moderate | 8 |
| Fri 23:00 | 36 | Fair | 8 |
| Sat 02:00 | 30 | Fair | 10 |
The last 30 days
Over the last 30 days the average daily AQI in San Antonio was 31, with 0 day(s) rated poor or worse. The cleanest day was 13 Sept, the most polluted 16 Sept.
Questions and answers
- Is the air in San Antonio good today?
- Right now the European Air Quality Index in San Antonio is 35, which is fair. Fine for almost everyone.
- What pollutes the air in San Antonio?
- At the moment O₃ contributes most to the air quality index in San Antonio. 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 Antonio be cleanest?
- Over the next 24 hours the air in San Antonio is expected to be worst around Fri 14:00 (AQI 70, poor). The cleanest hour is expected around Sat 02:00.
- 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.