Worst air pollution Santa Maria Valley Discovery Museum - Santa Maria, today and tomorrow
Today (20 September): Air quality in Santa Maria Valley Discovery Museum is moderate. AQI, PM10, and NO2 are moderate; PM2.5 and O3 are fair; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (NO2: 43.5/100).
Tomorrow (21 September 2026): Air quality in Santa Maria Valley Discovery Museum is moderate. All pollutants stay as today. Pollution peaks around 12:00 PM (PM10: 41.7/100). Airmine updates local air quality forecasts four times daily.
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In Santa Maria Valley Discovery Museum, with vehicle traffic relatively low, dust from nearby fields and occasional burning are the bigger day-to-day factors. Vegetation nearby provides a modest natural filter for airborne particulates. Day-to-day readings still shift with wind direction, traffic volume, and weather conditions. Local monitoring for the wider area tends to track closely with this general pattern.
Today - 20 September | Pollution peaks at 16:00
AQI:
Moderate
43.5/100
PM2.5 (fine particles):
Fair
39.7/100
PM10 (coarse particles):
Moderate
42.0/100
NO2 (nitrogen dioxide):
Moderate
43.5/100
O3 (ozone):
Fair
21.5/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
2.0/100
PM1 (ultrafine particles):
Good
15.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 12:00
AQI:
Moderate
41.7/100
PM2.5 (fine particles):
Fair
39.8/100
PM10 (coarse particles):
Moderate
41.7/100
NO2 (nitrogen dioxide):
Moderate
40.6/100
O3 (ozone):
Fair
33.8/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Good
17.0/100
Other Landmarks in Santa Maria
Frequently Asked Questions
Is air quality bad in Santa Maria Valley Discovery Museum right now?
On 20 September 2026, overall air quality in Santa Maria Valley Discovery Museum is moderate. AQI is the main air quality indicator at 43.5/100. Pollution peaks around 4:00 PM (NO2: 43.5/100).
Will air quality be worse tomorrow in Santa Maria Valley Discovery Museum?
On 21 September 2026, air quality conditions in Santa Maria Valley Discovery Museum will be similar to today, with AQI forecast at moderate at 41.7/100. Pollution peaks around 12:00 PM (PM10: 41.7/100).
When is air pollution at its worst in Santa Maria Valley Discovery Museum?
From October to December, average wind speeds run around 13 km/h with temperatures near 15°C, calm and cool enough to let particulate matter and smoke build up near the ground rather than disperse. From July to September, temperatures average around 19°C, warm enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Santa Maria Valley Discovery Museum 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 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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