Worst air pollution Seymour, today and tomorrow
Today (16 July): Air quality in Seymour is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 PM (NO2: 37.3/100).
Tomorrow (17 July 2026): Air quality in Seymour is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 29.8/100). 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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Seymour sits along the Goulburn Valley in a region shaped by irrigated agriculture, cropping and grazing, all of which contribute seasonal dust during dry, windy conditions. Winter is typically the more air-quality-sensitive season, as cold nights encourage wood heater use that can linger under valley inversions. Summer heat and surrounding dry bushland bring periodic bushfire smoke risk, particularly in drought years. Rail and highway traffic through the town add a modest, steady background contribution. Outside these seasonal pressures, Seymour generally records good air quality typical of inland Victorian towns.
Today - 16 July | Pollution peaks at 21:00
AQI:
Fair
37.3/100
PM2.5 (fine particles):
Good
8.5/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Fair
37.3/100
O3 (ozone):
Good
14.0/100
SO2 (sulfur dioxide):
Good
9.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
9.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Fair
29.8/100
PM2.5 (fine particles):
Good
11.2/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Fair
29.8/100
O3 (ozone):
Good
15.0/100
SO2 (sulfur dioxide):
Good
5.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
14.4/100
Frequently Asked Questions
Is air quality bad in Seymour right now?
On 16 July 2026, overall air quality in Seymour is fair. AQI is the main air quality indicator at 37.3/100. Pollution peaks around 9:00 PM (NO2: 37.3/100).
Will air quality be worse tomorrow in Seymour?
On 17 July 2026, air quality conditions in Seymour will be similar to today, with AQI forecast at fair at 29.8/100. Pollution peaks around 12:00 AM (NO2: 29.8/100).
When is air pollution at its worst in Seymour?
The least favourable stretch for air quality in Seymour is hot, dry summer stretches (December-March), when bushfire smoke is the dominant risk. Winter brings a quieter risk too: wood-heater smoke pooling on cold, still nights. For people with asthma or young kids, that's the window to watch, with little concern otherwise.
Are air quality levels in Seymour 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.
Want to see air quality forecasts for other cities in Australia?
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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