Worst air pollution Chilón, today and tomorrow
Today (16 July): Air quality in Chilón is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (PM10: 38.7/100).
Tomorrow (17 July 2026): Air quality in Chilón is fair. AQI improves to medium; PM10 decreases to medium; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 3:00 PM (PM10: 41.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Chilón's air quality reflects the Chiapas Sierra Madre's elevated highland position in the Lacandon corridor, with vehicle traffic on surrounding roads and the coffee, cacao, and indigenous agricultural corridor contributing modest local sources. The tropical highland climate's frequent rain provides effective atmospheric cleansing, while the relatively low industrial density and the surrounding cloud forest setting generally maintain Chilon at moderate to good Mexican southern highland readings throughout most of the year.
Today - 16 July | Pollution peaks at 06:00
AQI:
Fair
38.7/100
PM2.5 (fine particles):
Fair
25.4/100
PM10 (coarse particles):
Fair
38.7/100
NO2 (nitrogen dioxide):
Good
0.9/100
O3 (ozone):
Fair
20.7/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
6.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Medium
41.6/100
PM2.5 (fine particles):
Fair
32.2/100
PM10 (coarse particles):
Medium
41.6/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Good
19.3/100
SO2 (sulfur dioxide):
Good
0.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
5.9/100
Frequently Asked Questions
Is air quality bad in Chilón right now?
On 16 July 2026, overall air quality in Chilón is fair. AQI is the main air quality indicator at 38.7/100. Pollution peaks around 6:00 AM (PM10: 38.7/100).
Will air quality be worse tomorrow in Chilón?
On 17 July 2026, air quality conditions in Chilón will be similar to today, with PM2.5 forecast at fair at 32.2/100. Pollution peaks around 3:00 PM (PM10: 41.6/100).
When is air pollution at its worst in Chilón?
Chilón usually sees its poorest air quality when vehicle traffic and crop farming coincide with periods when dry, windy weather picks up. Dust carried on these winds adds substantially to particulate levels. This is most noticeable during spring and autumn wind events.
Are air quality levels in Chilón 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