Worst air pollution Montes Claros, today and tomorrow
Today (20 September): Air quality in Montes Claros is moderate. AQI and PM2.5 are moderate; PM10 and PM1 are fair; NO2, O3, SO2, CO, and HCHO are good. Pollution peaks around 7:00 AM (PM2.5: 45.6/100).
Tomorrow (21 September 2026): Air quality in Montes Claros is moderate. All pollutants stay as today. Pollution peaks around 9:00 AM (PM2.5: 43.0/100). 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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Montes Claros' air quality reflects its position in northern Minas Gerais at the edge of the semi-arid Cerrado transition zone, with vehicle emissions from the BR-135 corridor and the industrial district's manufacturing operations contributing local sources. Dry season burning from surrounding Cerrado and caatinga agricultural land contributes seasonal PM2.5 variation, while the elevated position at 678 metres generally aids background dispersal compared to lowland Brazilian cities.
Today - 20 September | Pollution peaks at 07:00
AQI:
Moderate
45.6/100
PM2.5 (fine particles):
Moderate
45.6/100
PM10 (coarse particles):
Fair
34.3/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Good
14.1/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.3/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Fair
20.5/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 09:00
AQI:
Moderate
43.0/100
PM2.5 (fine particles):
Moderate
43.0/100
PM10 (coarse particles):
Fair
28.2/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
11.8/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.3/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Fair
23.5/100
Pollen forecast in Montes Claros
View pollen forecastFrequently Asked Questions
Is air quality bad in Montes Claros right now?
On 20 September 2026, overall air quality in Montes Claros is moderate. AQI is the main air quality indicator at 45.6/100. Pollution peaks around 7:00 AM (PM2.5: 45.6/100).
Will air quality be worse tomorrow in Montes Claros?
On 21 September 2026, air quality conditions in Montes Claros will be similar to today, with AQI forecast at moderate at 43.0/100. Pollution peaks around 9:00 AM (PM2.5: 43.0/100).
When is air pollution at its worst in Montes Claros?
Reduced air quality in Montes Claros is most likely when native caatinga scrub and eucalyptus pollen peaks, alongside periods of vehicle emissions from the BR-135 corridor and the industrial district's manufacturing operations; things typically settle down again once the weather pattern shifts.
Are air quality levels in Montes Claros 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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