Air quality
Air quality in Santiago de los Caballeros today
Updated
Moderate (US AQI 56) Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. Model estimate for Sun, Oct 25, 5:53 pm (21:53 UTC).
Live AQI, PM2.5, PM10 and ozone for Santiago de los Caballeros, Santiago Province, Dominican Republic, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 56 Moderate
- PM2.5
- 14 µg/m³ 0.9× WHO 24-h guideline
- PM10
- 16 µg/m³
- Ozone
- 72 µg/m³
Air quality in Santiago de los Caballeros right now
Right now the modelled US Air Quality Index for Santiago de los Caballeros, Santiago Province, Dominican Republic is 56, which falls in the "Moderate" band (up to 100). Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
PM2.5 is 14 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 16 µg/m³ against a guideline of 45; ozone is 72 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 6.8 µg/m³ (below the 24-hour guideline of 25).
NASA FIRMS shows 2 fire hotspots within 300 km in the last day (nearest about 64 km), but particle levels are not elevated enough to point to smoke right now.
Santiago de los Caballeros vs the rest of Dominican Republic
Across 7 Dominican Republic cities we track, the average US AQI right now is 43 (Good). Santiago de los Caballeros at 56 is 13 points worse than average.
It ranks 7 of 7 from cleanest to most polluted; the cleanest is Boca Chica (40) and the most polluted Santiago de los Caballeros (56).
For context, the median across 3,909 cities worldwide is 56.
Air quality in cities near Santiago de los Caballeros
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Santo Domingo Oeste | 128 km | 41 | Good | 6.5 |
| San Cristóbal, San Cristóbal | 130 km | 41 | Good | 6.5 |
| Santo Domingo | 137 km | 41 | Good | 6.5 |
| Santo Domingo Este | 139 km | 41 | Good | 6.5 |
| Boca Chica | 160 km | 40 | Good | 8.1 |
| Croix-des-Bouquets | 188 km | 50 | Good | 7.3 |
| Delmas | 197 km | 50 | Good | 7.3 |
| Pétionville | 197 km | 50 | Good | 7.3 |
Model vs measured
We found no measured PM2.5 sensor cell within 25 km of Santiago de los Caballeros, 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
At 56, most people are fine outdoors. If you are unusually sensitive to air pollution, keep long or intense workouts to the cleaner hours shown above.
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 Santiago de los Caballeros
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), NASA FIRMS.