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Air Quality in Monterrey, Mexico
Updated 2026-05-21T07:00:00-05:00 · Station: Universidad, Monterrey, Nuevo León, Mexico
53
Moderate · Dominant pollutant: PM2.5
Acceptable for most, but unusually sensitive people may experience minor symptoms.
The current Air Quality Index (AQI) in Monterrey is 53, categorized as Moderate. Acceptable for most, but unusually sensitive people may experience minor symptoms.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 53 |
| PM10 | 27 |
| Ozone (O₃) | 2.4 |
| Nitrogen Dioxide (NO₂) | 23.8 |
| Sulfur Dioxide (SO₂) | 5.3 |
| Carbon Monoxide (CO) | 20.2 |
| Temperature (°C) | 20.3 |
| Humidity (%) | 3 |
| Pressure (hPa) | 1014.8 |
| Wind (m/s) | 0.5 |
| Wind Gust (m/s) | 3 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-19 | 36 | 28 | 50 |
| 2026-05-20 | 22 | 17 | 35 |
| 2026-05-21 | 22 | 14 | 56 |
| 2026-05-22 | 40 | 31 | 69 |
| 2026-05-23 | 25 | 13 | 35 |
Nearby cities
More cities in Mexico · All cities