Worst air pollution San Diego Zoo - San Diego, today and tomorrow
Today (15 July): Air quality in San Diego Zoo is fair. AQI, PM10, and O3 are fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM10: 31.6/100).
Tomorrow (16 July 2026): Air quality in San Diego Zoo is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 28.0/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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San Diego's San Diego Zoo air quality benefits from the 100-acre Balboa Park mesa position, with consistent Pacific sea breezes providing reliable maritime ventilation. Vehicle traffic on Park Boulevard contributes modest local sources, while the zoo's substantial tree canopy provides natural filtration and the Pacific coastal proximity generally maintains the San Diego Zoo among Southern California's more reliably ventilated major zoological institutions throughout most of the year.
Today - 15 July | Pollution peaks at 08:00
AQI:
Fair
31.6/100
PM2.5 (fine particles):
Good
18.6/100
PM10 (coarse particles):
Fair
31.6/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
26.9/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
3.1/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 08:00
AQI:
Fair
28.0/100
PM2.5 (fine particles):
Good
12.5/100
PM10 (coarse particles):
Fair
22.6/100
NO2 (nitrogen dioxide):
Good
0.6/100
O3 (ozone):
Fair
28.0/100
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 San Diego Zoo right now?
On 15 July 2026, overall air quality in San Diego Zoo is fair. AQI is the main air quality indicator at 31.6/100. Pollution peaks around 8:00 AM (PM10: 31.6/100).
Will air quality be worse tomorrow in San Diego Zoo?
On 16 July 2026, air quality conditions in San Diego Zoo will be similar to today, with AQI forecast at fair at 28.0/100. Pollution peaks around 8:00 AM (O3: 28.0/100).
When is air pollution at its worst in San Diego Zoo?
San Diego Zoo follows San Diego's typical seasonal air quality pattern, as winter typically brings the cleanest stretch, once occasional rain clears the basin; by contrast, from August into October, wildfire smoke can add sharp particulate spikes on top of the usual summer ozone. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in San Diego Zoo 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