Air quality
Air quality in Mar del Plata today
Updated
Good (US AQI 45) Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. Model estimate for Sun, Oct 25, 6:42 pm (21:42 UTC).
Live AQI, PM2.5, PM10 and ozone for Mar del Plata, Buenos Aires, Argentina, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 45 Good
- PM2.5
- 5.2 µg/m³ 0.3× WHO 24-h guideline
- PM10
- 8.6 µg/m³
- Ozone
- 45 µg/m³
Air quality in Mar del Plata right now
Right now the modelled US Air Quality Index for Mar del Plata, Buenos Aires, Argentina is 45, which falls in the "Good" band (up to 50). Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
PM2.5 is 5.2 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 8.6 µg/m³ against a guideline of 45; ozone is 45 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 0.7 µg/m³ (below the 24-hour guideline of 25).
Mar del Plata vs the rest of Argentina
Across 24 Argentina cities we track, the average US AQI right now is 30 (Good). Mar del Plata at 45 is 15 points worse than average.
It ranks 23 of 24 from cleanest to most polluted; the cleanest is Ushuaia (23) and the most polluted San Miguel de Tucumán (66).
For context, the median across 3,556 cities worldwide is 58.
Air quality in cities near Mar del Plata
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Berazategui | 364 km | 26 | Good | 5.3 |
| Montevideo | 365 km | 49 | Good | 7 |
| Quilmes | 370 km | 26 | Good | 5.3 |
| Avellaneda | 378 km | 26 | Good | 5.3 |
| Buenos Aires | 384 km | 26 | Good | 5.3 |
| Castelar | 385 km | 24 | Good | 4.4 |
| Merlo | 385 km | 24 | Good | 4.4 |
| Moreno | 390 km | 24 | Good | 4.4 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Mar del Plata, so the numbers on this page are model estimates. Models capture regional pollution well but can miss very local sources such as a busy road or a nearby fire.
Advice for sensitive groups
With the AQI at 45, there is no need for sensitive groups to change plans. People with asthma should still carry their reliever inhaler as usual.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Mar del Plata
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).