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Due to high ozone levels throughout Mexico City and the State of Mexico (EdoMéx), the Environmental Commission of the Megalopolis (Came) announced late Tuesday, June 7, that Phase 1 of the environmental contingency plan would be implemented for all vehicles with license plates ending in the numbers 3 and 4 for Wednesday, June 8.

High temperatures, reaching up to 30 degrees centigrade, intense solar radiation and low wind activity are expected to continue throughout at least the early part of Wednesday, making for poor air quality .

At 5 p.m. Tuesday, a maximum ozone concentration of 156 parts per billion (ppb) was recorded at the Santa Fe monitoring station in the Álvaro Obregón municipality, according to the Atmospheric Monitoring System. The maximum acceptable level is 155 ppb.

On Wednesday, all private vehicles with license plates terminating with 3 or 4 (red stickers) — including those with verification holograms 0 or 00 — will be unable to circulate from 5 a.m. to 10 p.m.

By the same token, all private vehicles with verification holograms 2, regardless of their license plates, as well as those with odd-numbered (1, 3, 5, 7, 9) license plate terminations with verification holograms 1 will be required to suspend circulation from 5 a.m. to 10 p.m.

Also suspended during those hours will be private vehicles with license plates composed only of letters.

Cars with verification hologram 0 and 00, red gumming, plate finish 3 and 4.

The Came contingency plan is aimed at reducing the number of vehicles on the road, and, thus, pollution in the air.

Private vehicles with foreign registrations that do not have a verification hologram will be considered as hologram 2.


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