Air quality by country
Air quality in Argentina today
Updated
Good: average US AQI 29 across 30 cities Worst now: San Miguel de Tucumán (63); cleanest: Lincoln, Buenos Aires (19).
Live US AQI, PM2.5 and ozone for cities across Argentina, ranked from most polluted to cleanest.
- Average US AQI
- 29 Good
- Most polluted now
- San Miguel de Tucumán AQI 63
- Cleanest now
- Lincoln, Buenos Aires AQI 19
- Cities above 100
- 0 unhealthy for sensitive groups or worse
Air quality in Argentina today
Right now the modelled air quality in Argentina averages a US AQI of 29 (Good) across the 30 cities we track. By category: 29 Good, 1 Moderate (of 30).
That is 36 points better than the worldwide average of 65 across 3,909 cities.
San Miguel de Tucumán has the worst air at 63 with PM2.5 at 12 µg/m³, while Lincoln, Buenos Aires is cleanest at 19. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.
Argentina cities by AQI (most polluted first)
| City | Region | US AQI | Category | PM2.5 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| San Miguel de Tucumán | Tucuman | 63 | Moderate | 11.8 | 47 |
| Bahía Blanca | Buenos Aires | 47 | Good | 6 | 35 |
| Mar del Plata | Buenos Aires | 44 | Good | 7.3 | 44 |
| San Pedro, Misiones | Misiones | 37 | Good | 3.1 | 44 |
| Corrientes | Corrientes | 34 | Good | 2.8 | 46 |
| Resistencia | Chaco | 33 | Good | 2.8 | 47 |
| Fontana, Chaco | Chaco | 33 | Good | 2.8 | 47 |
| Salta | Salta | 29 | Good | 2.3 | 59 |
| Córdoba | Cordoba | 28 | Good | 14.3 | 25 |
| Santa Fe | Santa Fe | 28 | Good | 5.4 | 41 |
| Rawson | San Juan | 28 | Good | 5.3 | 36 |
| San Juan, San Juan | San Juan | 28 | Good | 5.3 | 36 |
| Buenos Aires | Buenos Aires F.D. | 27 | Good | 8 | 15 |
| Avellaneda | Buenos Aires | 27 | Good | 8 | 15 |
| Quilmes | Buenos Aires | 27 | Good | 8 | 15 |
| Berazategui | Buenos Aires | 27 | Good | 8 | 15 |
| San Luis | San Luis | 27 | Good | 1.6 | 36 |
| Allen, Rio Negro | Rio Negro | 27 | Good | 1.6 | 44 |
| Posadas | Misiones | 25 | Good | 3.7 | 48 |
| Santa Rosa, La Pampa | La Pampa | 25 | Good | 4.2 | 40 |
| San Francisco, Cordoba | Cordoba | 25 | Good | 6.1 | 30 |
| Concordia | Entre Rios | 24 | Good | 3 | 40 |
| San Pedro, Buenos Aires | Buenos Aires | 24 | Good | 3.5 | 42 |
| Victoria, Entre Rios | Entre Rios | 24 | Good | 2.6 | 39 |
| Rosario | Santa Fe | 23 | Good | 4.8 | 26 |
| Merlo | Buenos Aires | 23 | Good | 5.7 | 22 |
| Moreno | Buenos Aires | 23 | Good | 5.7 | 22 |
| Castelar | Buenos Aires | 23 | Good | 5.7 | 22 |
| Ushuaia | Tierra del Fuego | 22 | Good | 2.4 | 29 |
| Lincoln, Buenos Aires | Buenos Aires | 19 | Good | 3.8 | 30 |
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. |
Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.
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Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).