Air quality in San Nicolas de los Garza

Air quality index (AQI) and PM2.5 air pollution in San Nicolas de los Garza

Last update at (local time)

5.2K people follow this city

  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
  • The profile image of follower
IQAir map with AQI colorful pins

AIR QUALITY DATA CONTRIBUTORS

5 Stations operated by

5 Contributors

https://cdn.airvisual.net/gov/tiny/instituto-nacional-de-ecologia-y-cambio-climatico-avatar-INECC+logo.pnghttps://cdn.airvisual.net/assets/public-profiles/61aee0b69930890008ac46ef-avatar.jpeghttps://cdn.airvisual.net/assets/public-profiles/cd682e98-cc06-4009-8443-29b94c80cbf7.pnghttps://cdn.airvisual.net/tiny/default.png

Join the movement!

Get a monitor and contributor to air quality data in your city.

BECOME A CONTRIBUTOR
Find out more about contributors and data sources

Weather

What is the current weather in San Nicolas de los Garza?

Weather icon
WeatherScattered clouds
Temperature84.2°F
Humidity62%
Wind9.2 mp/h
Pressure29.9 Hg

live aqi city ranking

Real-time Mexico city ranking

#cityUS AQI
1The national flag of International Santa Catarina, Nuevo Leon

88

2The national flag of International Mexico City, Mexico City

87

3The national flag of International San Nicolas de los Garza, Nuevo Leon

85

4The national flag of International Monterrey, Nuevo Leon

82

5The national flag of International San Pedro Garza Garcia, Nuevo Leon

80

6The national flag of International Apodaca, Nuevo Leon

69

7The national flag of International Santiago de Queretaro, Queretaro

67

8The national flag of International Guadalajara, Jalisco

60

9The national flag of International Leon, Guanajuato

60

10The national flag of International Salamanca, Guanajuato

55

(local time)

SEE WORLD AQI RANKING

live San Nicolas de los Garza aqi ranking

Real-time San Nicolas de los Garza air quality ranking

#stationUS AQI
1 San Nicolás

107

2 Universidad

81

3 San Nicolas CENDI12

80

4 Carretera Federal 85

79

5 Sima UANL

68

(local time)

SEE WORLD AQI RANKING

#1 Air Quality App

Free iOS and Android air quality app

AirVisual App, Free iOS and Android air quality app

US AQI

80

live AQI index
Moderate

Human face indicating AQI level

Overview

What is the current air quality in San Nicolas de los Garza?

Air pollution levelAir quality indexMain pollutant
Moderate 80 US AQIPM2.5
PollutantsConcentration
PM2.5
24.9µg/m³
PM10
70.5µg/m³
O3
69.1µg/m³
NO2
16.3µg/m³
SO2
7.1µg/m³
CO
523.3µg/m³
!

PM2.5

x5

PM2.5 concentration in San Nicolas de los Garza is currently 5 times the WHO annual air quality guideline value

Health Recommendations

What is the current air quality in San Nicolas de los Garza?

A man cycling icon
Sensitive groups should reduce outdoor exercise
An open window icon
Close your windows to avoid dirty outdoor air
GET A MONITOR
An IQAir mask icon
Sensitive groups should wear a mask outdoors
GET A MASK
An IQAir purifier icon
Sensitive groups should run an air purifier
GET AN AIR PURIFIER

Forecast

San Nicolas de los Garza air quality index (AQI) forecast

DayPollution levelWeatherTemperatureWind
Saturday, Jul 13

Moderate 74 AQI US

Human face indicating AQI level
Weather icon
87.8° 71.6°
Wind rotating 115 degree 8.9 mp/h
Sunday, Jul 14

Moderate 61 AQI US

Human face indicating AQI level
Weather icon
87.8° 73.4°
Wind rotating 126 degree 11.2 mp/h
Monday, Jul 15

Moderate 70 AQI US

Human face indicating AQI level
Weather icon
87.8° 71.6°
Wind rotating 124 degree 6.7 mp/h
Today

Moderate 80 AQI US

Human face indicating AQI level
Weather icon
87.8° 71.6°
Wind rotating 124 degree 6.7 mp/h
Wednesday, Jul 17

Moderate 70 AQI US

Human face indicating AQI level
Weather icon 50%
87.8° 73.4°
Wind rotating 121 degree 8.9 mp/h
Thursday, Jul 18

Moderate 69 AQI US

Human face indicating AQI level
Weather icon 40%
87.8° 75.2°
Wind rotating 137 degree 11.2 mp/h
Friday, Jul 19

Moderate 62 AQI US

Human face indicating AQI level
Weather icon
91.4° 73.4°
Wind rotating 106 degree 11.2 mp/h
Saturday, Jul 20

Moderate 64 AQI US

Human face indicating AQI level
Weather icon
93.2° 75.2°
Wind rotating 109 degree 11.2 mp/h
Sunday, Jul 21

Moderate 78 AQI US

Human face indicating AQI level
Weather icon
93.2° 75.2°
Wind rotating 117 degree 11.2 mp/h
Monday, Jul 22

Moderate 80 AQI US

Human face indicating AQI level
Weather icon 70%
87.8° 75.2°
Wind rotating 101 degree 6.7 mp/h

Interested in hourly forecast? Get the app

How to best protect from air pollution?

Reduce your air pollution exposure in San Nicolas de los Garza

AIR QUALITY ANALYSIS AND STATISTICS FOR San Nicolas de los Garza

Is San Nicolas de los Garza a heavily polluted city right now?

San Nicolás de los Garza, sometimes just called San Nicolás, is a city and municipality in the Mexican state of Nuevo León that is part of the Monterrey metropolitan area. According to a 2005 census, the estimated population was approximately 475,000 for the city itself and over three and a half million when taking the entire metropolitan area into consideration.

Towards the end of 2021, San Nicolas de los Garza was experiencing a period of air quality that is classified as being “Unhealthy for sensitive groups” with a US AQI reading of 104. This United States Air Quality Index number is calculated using the levels of six of the most prolific air pollutants, such as nitrogen dioxide, sulphur dioxide, ozone, carbon monoxide and both sizes of particulate matter, which are PM2.5 and PM10. It can then be used as the metric when comparing air quality in other cities around the world. If data is unavailable for all 6 pollutants, a figure can still be calculated by using what figures there are. For San Nicolás the only pollutant recorded was PM2.5 with a figure of 36.7 µg/m³.

This level of PM2.5 is over three and a half times the recommended safe level of 10 µg/m³ as suggested by the World Health Organisation (WHO) as being an acceptable level. Although no amount of air pollution is considered to be safe.

When air quality is in this category, the given advice would be to stay indoors as much as possible closing all doors and windows to prevent the ingress of more polluted air. It is advisable to operate an air purifier if one is available, but make sure it recirculates the air and does not import more dirty air from outside. Those people who are more sensitive to poor air quality should wear a good quality face mask when venturing outside and everyone is discouraged from exercising outside until the air quality improves.

For up-to-date information about air quality, there is an app available from AirVisual.com which is downloadable for all mobile devices. This will give you the air quality in real-time.

Does the level of air pollution vary throughout the year in San Nicolás?

Air quality is very volatile as it is subject to many external influencing factors such as meteorological and atmospheric changes.

Looking back at the figures for 2020, published by IQAir.com, it can be seen that throughout the year, the air quality was classified as being “Moderate” with figures between 12.1 and 35.4 µg/m³. There were variations during the year with June providing the best quality with a reading of 18.4 µg/m³, the worst month was January with its reading of 23.9 µg/m³.

Records for air pollution were first kept in 2019 when a figure of 20.8 µg/m³ was recorded. The following year of 2020 saw a very slight improvement with a reading of 20.1 µg/m³. However, this reading may have been affected by the COVID-19 situation as many vehicles were no longer in daily use because the offices were closed, in an attempt to halt the spread of the virus. Many factories and non-essential production units were also required to close which removed their emissions from the atmosphere.

Is there a main source of air pollution in San Nicolas de los Garza?

Between the vehicle fleet, transportation, the quarries and the rest of the industry, the inhabitants of the metropolis got used to living over the decades with air pollution that grew as the population expanded. If industry is the source, they say it is the cars, and then shift the blame onto the quarries, and as long as everyone does not assume their responsibility the situation will continue to worsen. It is argued that the main source of pollution in the metropolis is that of the vehicles and public transport. It is thought that 45 per cent of the contamination is generated by these types of sources.

What can be done to improve the air quality in San Nicolas de los Garza?

A scheme is being considered where inspections of factories will be carried out at any time of the day, and on any day, seven days a week. In the event that the industrialists do not allow access, the Secretariat will be empowered to request the assistance of the public force to carry out the inspection visit, which is not contemplated in the current law either.

However, within the solutions that they do provide as a regulatory measure, they suggest investing more in energy-efficient electricity production, improving the management of domestic, industrial and municipal waste, reducing the incineration of agricultural waste, fire forestry and certain agroforestry activities.

In addition, they noted the importance of building greener and more compact cities with energy efficient buildings, providing universal access to clean and affordable fuels and technologies for cooking, heating and lighting, building safe and affordable public transport systems and networks in which consider the needs of pedestrians and cyclists.

What are the health impacts of breathing dirty air in San Nicolas de los Garza?

Scientists are finding increasing evidence of the adverse effects of six types of pollutants on human health which are both sizes of particulate matter PM2.5 and PM10, ozone (O3), carbon monoxide (CO), sulphur dioxide (SO2) and nitrogen dioxide (NO2).

Scientists find it difficult to understand how pollutants affect human health. Not only because exposure to high levels is already harmful in itself. But because we are also exposed to a combination of several of them. Some, such as suspended particles smaller than 10 microns (PM10) and 2.5 microns (PM2.5) have a very varied origin. They are known to come from the burning of fuels, including transportation, energy, homes, industry, and agriculture. They are also particles so small that they can penetrate the lungs and enter the bloodstream. Several epidemiological studies have indicated that exposure to PM2.5 can affect health even at low levels. They are mainly associated with heart and lung diseases. Even short-term exposure, for hours or days, can increase the risk of hospital admission.

San Nicolas de los Garza air quality data attribution

5Contributors

Data validated and calibrated by IQAirData validated and calibrated by IQAir

Where is the cleanest air quality in San Nicolas de los Garza?

Cart
Your cart is empty
IQAir Blue Banner

Connect With IQAir

Sign up for our newsletter