Worst air pollution Little Italy - San Diego, today and tomorrow
Today (15 July): Air quality in Little Italy is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (PM10: 34.8/100).
Tomorrow (16 July 2026): Air quality in Little Italy is fair. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 28.0/100). 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 Diego's citywide air quality pattern extends to Little Italy, a dense dining and residential district near the downtown waterfront, without a notably different local signature. Any local variation tends to be minor compared with the seasonal swings seen across the wider city.
Today - 15 July | Pollution peaks at 08:00
AQI:
Fair
34.8/100
PM2.5 (fine particles):
Fair
20.7/100
PM10 (coarse particles):
Fair
34.8/100
NO2 (nitrogen dioxide):
Good
0.9/100
O3 (ozone):
Fair
26.9/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.0/100
PM1 (ultrafine particles):
Good
3.4/100
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
14.0/100
PM10 (coarse particles):
Fair
24.7/100
NO2 (nitrogen dioxide):
Good
1.3/100
O3 (ozone):
Fair
28.0/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
2.9/100
Other Landmarks in San Diego
Sports venues in San Diego
Frequently Asked Questions
Is air quality bad in Little Italy right now?
On 15 July 2026, overall air quality in Little Italy is fair. AQI is the main air quality indicator at 34.8/100. Pollution peaks around 8:00 AM (PM10: 34.8/100).
Will air quality be worse tomorrow in Little Italy?
On 16 July 2026, air quality conditions in Little Italy 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 Little Italy?
Air quality around Little Italy changes with the seasons, as the cleanest air usually comes in winter, when storms periodically flush pollution out of 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 Little Italy 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