Worst air pollution Downtown Santa Maria - Santa Maria, today and tomorrow
Today (9 August): Air quality in Downtown Santa Maria is fair. PM2.5, PM10, NO2, and SO2 are fair; AQI and O3 are medium; CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 42.2/100).
Tomorrow (10 August 2026): Air quality in Downtown Santa Maria is fair. AQI worsens to fair; O3 increases to fair; SO2 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (NO2: 38.8/100). Airmine updates local air quality forecasts four times daily.
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Santa Maria's citywide air quality pattern extends to Downtown Santa Maria, the city's compact downtown core, without a notably different local signature. As with most sublevel sites, the broader city trend is the best guide to typical conditions here.
Today - 9 August | Pollution peaks at 11:00
AQI:
Medium
42.2/100
PM2.5 (fine particles):
Fair
25.7/100
PM10 (coarse particles):
Fair
22.1/100
NO2 (nitrogen dioxide):
Fair
24.3/100
O3 (ozone):
Medium
42.2/100
SO2 (sulfur dioxide):
Fair
20.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Good
16.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 17:00
AQI:
Fair
38.8/100
PM2.5 (fine particles):
Fair
26.6/100
PM10 (coarse particles):
Fair
23.8/100
NO2 (nitrogen dioxide):
Fair
38.8/100
O3 (ozone):
Fair
31.6/100
SO2 (sulfur dioxide):
Good
14.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
17.5/100
Other Landmarks in Santa Maria
Frequently Asked Questions
Is air quality bad in Downtown Santa Maria right now?
On 9 August 2026, overall air quality in Downtown Santa Maria is fair. PM2.5 is the main pollutant at 25.7/100. Pollution peaks around 11:00 AM (O3: 42.2/100).
Will air quality be worse tomorrow in Downtown Santa Maria?
On 10 August 2026, air quality conditions in Downtown Santa Maria will be similar to today, with AQI forecast at fair at 38.8/100. Pollution peaks around 5:00 PM (NO2: 38.8/100).
When is air pollution at its worst in Downtown Santa Maria?
At Downtown Santa Maria, air quality tends to follow Santa Maria's broader seasonal rhythm, as winter typically brings the cleanest stretch, once occasional rain clears the basin; by contrast, summer sunshine and heat drive some of the worst ozone readings in the country. Coastal breezes offer some relief compared to inland valley locations that see heavier smog buildup.
Are air quality levels in Downtown Santa Maria 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: 10 August 2026 at 02:34 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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