Worst air pollution Port Arthur, today and tomorrow
Today (25 August): Air quality in Port Arthur is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (O3: 15.7/100).
Tomorrow (26 August 2026): Air quality in Port Arthur is good. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 18.1/100). 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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In Port Arthur, light local traffic means surrounding farmland activity, not congestion, is the bigger day-to-day influence on air quality. Nearby trees help trap a portion of this particulate load before it spreads. Daily conditions can shift noticeably depending on wind, temperature, and traffic patterns. This general baseline tends to hold across nearby areas with similar traffic and land use.
Today - 25 August | Pollution peaks at 05:00
AQI:
Good
15.7/100
PM2.5 (fine particles):
Good
3.1/100
PM10 (coarse particles):
Good
1.4/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
15.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
1.1/100
Levels show the poorest local air quality during the day
Tomorrow - 26 August | Pollution peaks at 11:00
AQI:
Good
18.1/100
PM2.5 (fine particles):
Good
2.7/100
PM10 (coarse particles):
Good
1.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
18.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
0.6/100
Air quality forecasts for neighbourhoods and landmarks in Port Arthur
Sports venues in Port Arthur
Frequently Asked Questions
Is air quality bad in Port Arthur right now?
On 25 August 2026, overall air quality in Port Arthur is good. AQI is the main air quality indicator at 15.7/100. Pollution peaks around 5:00 AM (O3: 15.7/100).
Will air quality be worse tomorrow in Port Arthur?
On 26 August 2026, air quality conditions in Port Arthur will be similar to today, with AQI forecast at good at 18.1/100. Pollution peaks around 11:00 AM (O3: 18.1/100).
When is air pollution at its worst in Port Arthur?
This area typically sees its worst air quality during the winter season, when home heating emissions build up under temperature inversions common on calm winter days. Summer heat and dry conditions nearby make bushfire smoke the leading local air quality issue, since summer heat and dry vegetation nearby are usually enough on their own to raise bushfire risk.
Are air quality levels in Port Arthur 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: 24 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.
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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