Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near Estación T21, Leon
Air quality index (AQI) and PM2.5 air pollution near Estación T21, Leon
1.1K people follow this station
Air Quality Map
Real-time Estación T21 air pollution map
AIR QUALITY DATA CONTRIBUTORS
Station operated by
2 Contributors
Weather
What is the current weather near Estación T21, Leon?
| Weather | Clear sky |
| Temperature | 77°F |
| Humidity | 37% |
| Wind | 5.3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Mexico city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Puebla, Puebla | 152 |
| 2 | San Nicolas de los Garza, Nuevo Leon | 123 |
| 3 | Celaya, Guanajuato | 112 |
| 4 | Santiago de Queretaro, Queretaro | 108 |
| 5 | Toluca, Mexico City | 108 |
| 6 | Juarez, Chihuahua | 105 |
| 7 | Mexico City, Mexico City | 99 |
| 8 | Santa Catarina, Nuevo Leon | 99 |
| 9 | Aguascalientes, Aguascalientes | 91 |
| 10 | Guadalajara, Jalisco | 88 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Leon air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Estación CICEG | 88 |
| 2 | Estación Facultad de Medicina | 81 |
| 3 | Estación T21 | 66 |
(local time)
SEE WORLD AQI RANKING
US AQI
66
live AQI index
Moderate
Overview
What is the current air quality near Estación T21, Leon?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 66 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17µg/m³ | |
| PM10 | 54µg/m³ | |
| O3 | 0µg/m³ | |
| NO2 | 0.1µg/m³ | |
| SO2 | 0µg/m³ | |
| CO | 2164.1µg/m³ | |
Health Recommendations
What is the current air quality near Estación T21, Leon?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Estación T21, Leon air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Moderate 79 AQI US | |||
| Thursday, May 30 | Moderate 77 AQI US | |||
| Friday, May 31 | Moderate 66 AQI US | |||
| Today | Moderate 66 AQI US |  40% | 93.2° 71.6° |  6.7 mp/h |
| Sunday, Jun 2 | Moderate 65 AQI US | 80% | 91.4° 66.2° | 20.1 mp/h |
| Monday, Jun 3 | Moderate 63 AQI US | | 93.2° 66.2° | 11.2 mp/h |
| Tuesday, Jun 4 | Moderate 69 AQI US | | 93.2° 68° | 6.7 mp/h |
| Wednesday, Jun 5 | Moderate 80 AQI US | | 93.2° 66.2° | 13.4 mp/h |
| Thursday, Jun 6 | Moderate 82 AQI US | 30% | 87.8° 64.4° | 13.4 mp/h |
| Friday, Jun 7 | Moderate 72 AQI US | | 93.2° 64.4° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Estación T21 air quality data attribution
Contributors
2 Government Contributors
Where is the cleanest air quality in Leon?
AQI US, Metric