Air quality in San Jose today
Philippines · Updated Friday 13:00 (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 | 4 µg/m³ | Good |
| PM10 | 5 µg/m³ | Good |
| NO₂ | 0 µg/m³ | Good |
| O₃ | 67 µg/m³ | Fair |
The pollutant that matters most in San Jose right now is O₃.
Forecast: next 24 hours
The air in San Jose should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 22:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 14:00 | 22 | Fair | 4 |
| Fri 17:00 | 22 | Fair | 5 |
| Fri 20:00 | 17 | Good | 4 |
| Fri 23:00 | 14 | Good | 4 |
| Sat 02:00 | 21 | Fair | 5 |
| Sat 05:00 | 26 | Fair | 8 |
| Sat 08:00 | 21 | Fair | 4 |
| Sat 11:00 | 24 | Fair | 4 |
The last 30 days
Over the last 30 days the average daily AQI in San Jose was 28, with 0 day(s) rated poor or worse. The cleanest day was 17 Sept, the most polluted 31 Aug.
Questions and answers
- Is the air in San Jose good today?
- Right now the European Air Quality Index in San Jose is 24, which is fair. Fine for almost everyone.
- What pollutes the air in San Jose?
- At the moment O₃ contributes most to the air quality index in San Jose. 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 Jose be cleanest?
- The air in San Jose should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 22:00.
- 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.