Worst air pollution Northam, today and tomorrow
Today (10 August): Air quality in Northam is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (NO2: 19.4/100).
Tomorrow (11 August 2026): Air quality in Northam is fair. AQI worsens to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 37.4/100). Airmine updates local air quality forecasts four times daily.
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Inland in the Avon Valley wheatbelt, Northam trades the coastal sea breezes of Perth for a drier, dustier profile shaped by surrounding grain and sheep country. Agricultural dust from ploughing, harvest, and dry paddocks is a recurring feature, particularly in late summer and autumn when soils are driest. Bushfire smoke is also a seasonal concern between December and March, sometimes settling in the valley on calmer days. Humidity stays low for most of the year, consistent with the broader Mediterranean climate of the southwest. Away from these episodes, Northam's air is generally clean, reflecting its low population density and rural setting.
Today - 10 August | Pollution peaks at 00:00
AQI:
Good
19.4/100
PM2.5 (fine particles):
Good
8.3/100
PM10 (coarse particles):
Good
3.4/100
NO2 (nitrogen dioxide):
Good
19.4/100
O3 (ozone):
Good
16.2/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.5/100
PM1 (ultrafine particles):
Good
5.9/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 22:00
AQI:
Fair
37.4/100
PM2.5 (fine particles):
Good
15.2/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Fair
37.4/100
O3 (ozone):
Good
16.2/100
SO2 (sulfur dioxide):
Good
5.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
14.1/100
Pollen forecast in Northam
View pollen forecastFrequently Asked Questions
Is air quality bad in Northam right now?
On 10 August 2026, overall air quality in Northam is good. AQI is the main air quality indicator at 19.4/100. Pollution peaks around 12:00 AM (NO2: 19.4/100).
Will air quality be worse tomorrow in Northam?
On 11 August 2026, air quality conditions in Northam will be worse than today, with AQI forecast at fair at 37.4/100. Pollution peaks around 10:00 PM (NO2: 37.4/100).
When is air pollution at its worst in Northam?
Northam's worst air days tend to cluster around the December-to-March bushfire season, the one period that can override an otherwise clean profile. The rest of the calendar is usually untroubled, with sea breezes clearing the air. Timing outdoor activity around this window and checking daily readings helps limit exposure.
Are air quality levels in Northam 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: 9 August 2026 at 20:27 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.
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