Worst air pollution Ocoyoacac, today and tomorrow
Today (16 July): Air quality in Ocoyoacac is medium. AQI, PM2.5, and PM10 are medium; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (PM10: 59.4/100).
Tomorrow (17 July 2026): Air quality in Ocoyoacac is poor. AQI worsens to poor; PM10 increases to poor; all other pollutants stay as today. Pollution peaks around 4:00 AM (PM10: 60.4/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Ocoyoacac's air quality reflects the flat Estado de México Lerma River valley at 2,700 metres at the Toluca-Mexico City corridor, with vehicle traffic on surrounding roads and the manufacturing, industrial, and residential character contributing local sources. The high plateau's topographic enclosure creates concentration under inversions, while the elevated altitude worsens ozone formation and Ocoyoacac shares the broader Toluca-Mexico City metropolitan corridor air quality challenges throughout most of the year.
Today - 16 July | Pollution peaks at 05:00
AQI:
Medium
59.4/100
PM2.5 (fine particles):
Medium
49.7/100
PM10 (coarse particles):
Medium
59.4/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Good
18.4/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.9/100
PM1 (ultrafine particles):
Good
11.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 04:00
AQI:
Poor
60.4/100
PM2.5 (fine particles):
Medium
45.3/100
PM10 (coarse particles):
Poor
60.4/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Good
18.8/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.9/100
PM1 (ultrafine particles):
Good
8.3/100
Frequently Asked Questions
Is air quality bad in Ocoyoacac right now?
On 16 July 2026, overall air quality in Ocoyoacac is medium. AQI is the main air quality indicator at 59.4/100. Pollution peaks around 5:00 AM (PM10: 59.4/100).
Will air quality be worse tomorrow in Ocoyoacac?
On 17 July 2026, air quality conditions in Ocoyoacac will be worse than today, with AQI forecast at poor at 60.4/100. Pollution peaks around 4:00 AM (PM10: 60.4/100).
When is air pollution at its worst in Ocoyoacac?
Pollution in Ocoyoacac typically rises when road traffic together with manufacturing and food processing combine, especially once the surrounding valley traps air close to the ground. Topographic enclosure in the valley lets pollution accumulate rather than clear out. These wind events can carry dust in from the surrounding arid landscape.
Are air quality levels in Ocoyoacac based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app