Air quality in Arequipa today
Peru · Updated Thursday 22:00 (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 | 23 µg/m³ | Moderate |
| PM10 | 62 µg/m³ | Poor |
| NO₂ | 39 µg/m³ | Good |
| O₃ | 10 µg/m³ | Good |
The pollutant that matters most in Arequipa right now is PM10.
Forecast: next 24 hours
Over the next 24 hours the air in Arequipa is expected to be worst around Fri 13:00 (AQI 101, extremely poor). The cleanest hour is expected around Fri 06:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 23:00 | 49 | Moderate | 25 |
| Fri 02:00 | 49 | Moderate | 25 |
| Fri 05:00 | 46 | Moderate | 21 |
| Fri 08:00 | 48 | Moderate | 20 |
| Fri 11:00 | 88 | Very poor | 32 |
| Fri 14:00 | 101 | Extremely poor | 34 |
| Fri 17:00 | 72 | Poor | 22 |
| Fri 20:00 | 44 | Moderate | 18 |
The last 30 days
Over the last 30 days the average daily AQI in Arequipa was 63, with 15 day(s) rated poor or worse. The cleanest day was 18 Sept, the most polluted 19 Sept.
Questions and answers
- Is the air in Arequipa good today?
- Right now the European Air Quality Index in Arequipa is 48, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Arequipa?
- At the moment PM10 contributes most to the air quality index in Arequipa. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Arequipa be cleanest?
- Over the next 24 hours the air in Arequipa is expected to be worst around Fri 13:00 (AQI 101, extremely poor). The cleanest hour is expected around Fri 06:00.
- 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.