Worst air pollution Dallidet Adobe and Gardens - San Luis Obispo, today and tomorrow
Today (20 September): Air quality in Dallidet Adobe and Gardens is moderate. AQI, PM10, and NO2 are moderate; PM2.5, O3, and PM1 are fair; SO2, CO, and HCHO are good. Pollution peaks around 4:00 AM (PM10: 42.1/100).
Tomorrow (21 September 2026): Air quality in Dallidet Adobe and Gardens is moderate. PM10 decreases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 4:00 PM (NO2: 46.6/100). 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 Dallidet Adobe and Gardens, occasional vehicle traffic and open farmland nearby mean particulate matter here comes more from dust and seasonal field work than congestion. Tree cover in the area softens the impact somewhat, catching particulates before they disperse further. The surrounding area tends to follow a similar pattern, with only minor local variation.
Today - 20 September | Pollution peaks at 04:00
AQI:
Moderate
42.1/100
PM2.5 (fine particles):
Fair
32.8/100
PM10 (coarse particles):
Moderate
42.1/100
NO2 (nitrogen dioxide):
Moderate
41.0/100
O3 (ozone):
Fair
26.1/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
2.3/100
PM1 (ultrafine particles):
Fair
20.3/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 16:00
AQI:
Moderate
46.6/100
PM2.5 (fine particles):
Fair
27.9/100
PM10 (coarse particles):
Fair
22.6/100
NO2 (nitrogen dioxide):
Moderate
46.6/100
O3 (ozone):
Fair
38.2/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
19.3/100
Other Landmarks in San Luis Obispo
Frequently Asked Questions
Is air quality bad in Dallidet Adobe and Gardens right now?
On 20 September 2026, overall air quality in Dallidet Adobe and Gardens is moderate. AQI is the main air quality indicator at 42.1/100. Pollution peaks around 4:00 AM (PM10: 42.1/100).
Will air quality be worse tomorrow in Dallidet Adobe and Gardens?
On 21 September 2026, air quality conditions in Dallidet Adobe and Gardens will be similar to today, with AQI forecast at moderate at 46.6/100. Pollution peaks around 4:00 PM (NO2: 46.6/100).
When is air pollution at its worst in Dallidet Adobe and Gardens?
From September to November, average wind speeds run around 11 km/h with temperatures near 17°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 22°C, warm enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Dallidet Adobe and Gardens 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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