Worst air pollution Rancho Bernardo HS's Baseball Diamond - San Diego, today and tomorrow
Today (15 July): Air quality in Rancho Bernardo HS's Baseball Diamond is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 28.3/100).
Tomorrow (16 July 2026): Air quality in Rancho Bernardo HS's Baseball Diamond is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 28.9/100). 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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Rancho Bernardo HS's Baseball Diamond in San Diego sits on the flat San Diego County inland plateau at Rancho Bernardo, with vehicle traffic and the surrounding suburban residential and technology corridor contributing local sources. Consistent Pacific sea breezes provide maritime ventilation and the diamond generally maintains moderate to good conditions throughout most of the year.
Today - 15 July | Pollution peaks at 07:00
AQI:
Fair
28.3/100
PM2.5 (fine particles):
Good
16.2/100
PM10 (coarse particles):
Fair
26.3/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Fair
28.3/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.9/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 08:00
AQI:
Fair
28.9/100
PM2.5 (fine particles):
Good
11.9/100
PM10 (coarse particles):
Fair
20.8/100
NO2 (nitrogen dioxide):
Good
0.6/100
O3 (ozone):
Fair
28.9/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.6/100
Other Landmarks in San Diego
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Frequently Asked Questions
Is air quality bad in Rancho Bernardo HS's Baseball Diamond right now?
On 15 July 2026, overall air quality in Rancho Bernardo HS's Baseball Diamond is fair. AQI is the main air quality indicator at 28.3/100. Pollution peaks around 7:00 AM (O3: 28.3/100).
Will air quality be worse tomorrow in Rancho Bernardo HS's Baseball Diamond?
On 16 July 2026, air quality conditions in Rancho Bernardo HS's Baseball Diamond will be similar to today, with AQI forecast at fair at 28.9/100. Pollution peaks around 8:00 AM (O3: 28.9/100).
When is air pollution at its worst in Rancho Bernardo HS's Baseball Diamond?
This venue in San Diego sees air quality shift through the year — winter rains provide the only real relief from an otherwise persistent haze, whereas summer and early autumn bring the highest ozone levels, and wildfire smoke can spike particulate readings sharply from August through October. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in Rancho Bernardo HS's Baseball Diamond 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