Air quality in Rio de Janeiro today
Brazil · Updated Friday 05:00 (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 | 24 µg/m³ | Moderate |
| PM10 | 26 µg/m³ | Fair |
| NO₂ | 32 µg/m³ | Good |
| O₃ | 12 µg/m³ | Good |
The pollutant that matters most in Rio de Janeiro right now is PM2.5.
Forecast: next 24 hours
Over the next 24 hours the air in Rio de Janeiro is expected to be worst around Fri 21:00 (AQI 51, moderate). The cleanest hour is expected around Fri 15:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 06:00 | 45 | Moderate | 24 |
| Fri 09:00 | 42 | Moderate | 18 |
| Fri 12:00 | 38 | Fair | 13 |
| Fri 15:00 | 33 | Fair | 12 |
| Fri 18:00 | 44 | Moderate | 18 |
| Fri 21:00 | 51 | Moderate | 21 |
| Sat 00:00 | 45 | Moderate | 20 |
| Sat 03:00 | 41 | Moderate | 16 |
The last 30 days
Over the last 30 days the average daily AQI in Rio de Janeiro was 47, with 2 day(s) rated poor or worse. The cleanest day was 19 Sept, the most polluted 30 Aug.
Questions and answers
- Is the air in Rio de Janeiro good today?
- Right now the European Air Quality Index in Rio de Janeiro is 45, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Rio de Janeiro?
- At the moment PM2.5 contributes most to the air quality index in Rio de Janeiro. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Rio de Janeiro be cleanest?
- Over the next 24 hours the air in Rio de Janeiro is expected to be worst around Fri 21:00 (AQI 51, moderate). The cleanest hour is expected around Fri 15:00.
- 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.