Air quality in Lima today
Peru · Updated Thursday 19:00 (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 | 18 µg/m³ | Fair |
| PM10 | 49 µg/m³ | Moderate |
| NO₂ | 23 µg/m³ | Good |
| O₃ | 43 µg/m³ | Good |
The pollutant that matters most in Lima right now is PM10.
Forecast: next 24 hours
Over the next 24 hours the air in Lima is expected to be worst around Fri 16:00 (AQI 44, moderate). The cleanest hour is expected around Fri 04:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 20:00 | 41 | Moderate | 18 |
| Thu 23:00 | 42 | Moderate | 16 |
| Fri 02:00 | 39 | Fair | 13 |
| Fri 05:00 | 37 | Fair | 13 |
| Fri 08:00 | 40 | Fair | 15 |
| Fri 11:00 | 41 | Moderate | 17 |
| Fri 14:00 | 42 | Moderate | 18 |
| Fri 17:00 | 44 | Moderate | 18 |
The last 30 days
Over the last 30 days the average daily AQI in Lima was 38, with 0 day(s) rated poor or worse. The cleanest day was 1 Sept, the most polluted 2 Sept.
Questions and answers
- Is the air in Lima good today?
- Right now the European Air Quality Index in Lima is 41, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Lima?
- At the moment PM10 contributes most to the air quality index in Lima. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Lima be cleanest?
- Over the next 24 hours the air in Lima is expected to be worst around Fri 16:00 (AQI 44, moderate). The cleanest hour is expected around Fri 04:00.
- 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.