Worst air pollution Santana Row - San Jose, today and tomorrow
Today (15 July): Air quality in Santana Row is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 45.8/100).
Tomorrow (16 July 2026): Air quality in Santana Row is medium. All pollutants stay as today. Pollution peaks around 9:00 AM (O3: 44.7/100). 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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San Jose's Santana Row air quality reflects the upscale mixed-use lifestyle centre, with vehicle traffic on Stevens Creek Boulevard and the surrounding concentrated retail and residential character contributing local sources. The Bay Delta breeze provides afternoon ventilation, while the neighbourhood's walkable character and the suburban scale generally maintain moderate San Jose metropolitan readings throughout most of the year.
Today - 15 July | Pollution peaks at 09:00
AQI:
Medium
45.8/100
PM2.5 (fine particles):
Good
15.3/100
PM10 (coarse particles):
Good
9.6/100
NO2 (nitrogen dioxide):
Good
9.2/100
O3 (ozone):
Medium
45.8/100
SO2 (sulfur dioxide):
Good
2.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
9.3/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 09:00
AQI:
Medium
44.7/100
PM2.5 (fine particles):
Good
19.9/100
PM10 (coarse particles):
Good
9.9/100
NO2 (nitrogen dioxide):
Good
15.2/100
O3 (ozone):
Medium
44.7/100
SO2 (sulfur dioxide):
Good
2.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
12.7/100
Other Landmarks in San Jose
Sports venues in San Jose
Frequently Asked Questions
Is air quality bad in Santana Row right now?
On 15 July 2026, overall air quality in Santana Row is medium. AQI is the main air quality indicator at 45.8/100. Pollution peaks around 9:00 AM (O3: 45.8/100).
Will air quality be worse tomorrow in Santana Row?
On 16 July 2026, air quality conditions in Santana Row will be similar to today, with AQI forecast at medium at 44.7/100. Pollution peaks around 9:00 AM (O3: 44.7/100).
When is air pollution at its worst in Santana Row?
Santana Row's air quality follows a clear seasonal pattern: the rainy winter months generally bring the cleanest air, as storms clear traffic and woodsmoke pollution, but wildfire smoke season from July through October is the dominant concern, sometimes overwhelming other pollution sources for days at a time. Dry summer conditions with virtually no rain mean pollution and smoke can linger for extended stretches once they arrive.
Are air quality levels in Santana Row 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.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.
For long term forecasts and maps, see the Airmine app