Air quality in Houston today
United States · Updated Friday 08:00 (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 | 14 µg/m³ | Fair |
| PM10 | 14 µg/m³ | Good |
| NO₂ | 12 µg/m³ | Good |
| O₃ | 62 µg/m³ | Fair |
The pollutant that matters most in Houston right now is PM2.5.
Forecast: next 24 hours
Over the next 24 hours the air in Houston is expected to be worst around Fri 14:00 (AQI 76, poor). The cleanest hour is expected around Fri 09:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 09:00 | 38 | Fair | 14 |
| Fri 12:00 | 65 | Poor | 16 |
| Fri 15:00 | 74 | Poor | 15 |
| Fri 18:00 | 62 | Poor | 13 |
| Fri 21:00 | 41 | Moderate | 16 |
| Sat 00:00 | 51 | Moderate | 27 |
| Sat 03:00 | 52 | Moderate | 31 |
| Sat 06:00 | 50 | Moderate | 28 |
The last 30 days
Over the last 30 days the average daily AQI in Houston was 45, with 1 day(s) rated poor or worse. The cleanest day was 3 Sept, the most polluted 23 Sept.
Questions and answers
- Is the air in Houston good today?
- Right now the European Air Quality Index in Houston is 38, which is fair. Fine for almost everyone.
- What pollutes the air in Houston?
- At the moment PM2.5 contributes most to the air quality index in Houston. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Houston be cleanest?
- Over the next 24 hours the air in Houston is expected to be worst around Fri 14:00 (AQI 76, poor). The cleanest hour is expected around Fri 09:00.
- 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.