On the afternoon of May 23rd, the Megalopolis Environmental Commission (CAMe) maintained phase 1 of the environmental contingency, as conditions persist due to a high-pressure system in the central region of the country at various levels of the troposphere. This combined with weak winds in the morning, high solar radiation, and stagnant pollutants resulting in ozone formation, leading to Poor to Very Poor air quality conditions.

The aforementioned explanation has been repeated 12 times during 2024, marking this year with a record of environmental contingencies decreed by CAMe since 2020.

An analysis by T21 Business Intelligence reveals that with the activation of phase 1 for this Friday, May 24th, in 2024, these measures have been implemented 12 times, surpassing by far the highest record in recent years, which was eight in 2022, based on data provided by CAMe.

In 2024, it can also be noted that the license plate endings (emissions stickers) most affected by phase 1 of the environmental contingency have been blue (9 and 0), green (1 and 2), and red (3 and 4).

By days, in 2024 Thursdays and Fridays have been the most affected with restrictions, three each, while those of Saturday and Sunday that have been applied have affected the yellow (5 and 6) and pink (7 and 8) license plate endings.

With the activation of phase 1, the circulation of private vehicles with verification hologram 2 is restricted, as well as vehicles with verification hologram 1 depending on whether their license plate ends in an odd or even number, while vehicles with verification holograms 00 and 0 are restricted according to the corresponding day.

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The Environmental Commission of the Megalopolis (CAMe) announced on Thursday the activation of Phase 1 of an environmental contingency due to ozone in the Metropolitan Area of the Valley of Mexico (ZMVM), which implies significant restrictions for both private and freight transportation sectors.

Maximum ozone concentrations reached high levels, recording 158 ppb at the Gustavo A. Madero (GAM) monitoring station in Mexico City. This phenomenon is due to the high-pressure system over the Valley of Mexico, which has generated intense atmospheric stability combined with strong solar radiation and weak winds, resulting in the stagnation of ozone precursor pollutants.

As a measure to mitigate adverse health effects and reduce pollutant generation, CAMe announced that vehicle circulation restrictions have been established in the ZMVM.

This Friday, May 10, private vehicles with verification hologram 2 and those with verification hologram 1 whose last numeric digit is 1, 3, 5, 7, 9, and 0 must suspend their circulation from 5:00 to 22:00 hours. As well as holograms 0 and 00 with plate endings 9 and 0 (blue sticker).

Local or federal freight vehicles are prohibited from circulating between 6:00 and 10:00 a.m., except for those participating in the Self-Regulation Program of Mexico City and the State of Mexico.

Likewise, the circulation of 50% of LPG delivery units without a dry disconnection valve will be restricted, and local or federal freight vehicles will be prohibited from circulating between 6:00 and 10:00 a.m., except for those in the Self-Regulation Program.

Exemptions are granted to electric and hybrid vehicles, those with an ecological registration or exempt hologram type, and vehicles destined for essential services such as medical emergencies, school transportation, and authorized waste and hazardous materials transportation.

These measures, in addition to protecting public health, aim to reduce pollutant emissions. Transporters are compelled to adjust their activities in line with these restrictions, which may affect the mobility and operability of the sector in the ZMVM.

Additionally, the statement urged the population to contribute to emissions reduction by: facilitating and continuing remote work, as well as conducting online purchases and procedures to reduce travel.

Avoiding the use of products containing solvents, aerosols, air fresheners, paints, or sealants.

Refueling gasoline after 6:00 p.m. and before 10:00 a.m., and checking and repairing leaks in domestic gas installations.

Also, reducing fuel use at home by limiting shower time to a maximum of five minutes and using covered containers when cooking.

Suspension of activities generating fugitive air emissions from the use of solvents and coatings in commerce and services, as well as suspension of activities in establishments using firewood or charcoal as fuel without emission control equipment.

Furthermore, restrictions will be implemented on a percentage of refueling stations, LPG distribution plants, and service stations, with the aim of reducing pollutant emissions.

These measures entail significant adjustments in the operation of various commercial and service sectors in the ZMVM.

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The Environmental Commission of the Megalopolis (CAMe) announced on Thursday the activation of Phase 1 of the environmental contingency due to ozone in the Metropolitan Area of the Valley of Mexico (ZMVM), which implies significant restrictions for both private and cargo transportation sectors.

Maximum ozone concentrations reached high levels, registering 158 ppb at the Gustavo A. Madero (GAM) monitoring station, Mexico City. This phenomenon is due to the high-pressure system over the Valley of Mexico, which has generated intense atmospheric stability, combined with intense solar radiation and weak winds, resulting in the stagnation of ozone precursor pollutants.

As a measure to mitigate adverse health effects and reduce pollutant generation, CAMe reported that restrictions on vehicle circulation in the ZMVM have been established.

On Friday, May 10th, private vehicles with verification holograms 2, and those with verification holograms 1 whose last numerical digit is 1, 3, 5, 7, 9, and 0, must suspend their circulation from 5:00 to 22:00 hours. Also, holograms 0 and 00 with plate endings 9 and 0 (blue sticker).

Local or federal cargo vehicles will not circulate between 6:00 and 10:00 hours, except for those in the Self-Regulation Program of Mexico City and the State of Mexico.

Likewise, 50% of LPG delivery units without dry disconnect valves will have their circulation restricted, and local or federal cargo vehicles will not circulate between 6:00 and 10:00 hours, except for those in the Self-Regulation Program.

Exemptions are granted to electric and hybrid vehicles, those with eco-friendly license plates or exempt holograms, and vehicles destined for essential services such as medical emergencies, school transportation, and authorized waste and hazardous materials transportation.

These measures, in addition to protecting public health, aim to reduce pollutant emissions. Transporters are obliged to adjust their activities in accordance with these restrictions, which may affect mobility and operationality of the sector in the ZMVM.

Furthermore, the statement urged the population to contribute to emission reduction through actions such as facilitating and continuing remote work, as well as making purchases and transactions online to reduce travel.

Avoiding the use of products containing solvents, aerosols, air fresheners, paints, or

Refuel gasoline after 6:00 p.m. and before 10:00 a.m., and check and repair leaks in domestic gas installations.

Likewise, reduce the use of fuels at home by limiting shower time to a maximum of five minutes and using covered containers when cooking.

Suspension of activities that generate fugitive emissions into the air due to the use of solvents and coatings in businesses and services has also been ordered, as well as the suspension of activities in establishments that use firewood or charcoal as fuel and lack emission control equipment.

Additionally, restrictions will be implemented in a percentage of refueling stations, LP gas distribution plants, and service stations, with the aim of reducing pollutant emissions.

These measures imply significant adjustments in the operation of various commercial and service sectors in the ZMVM.

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