Worst air pollution Pittsburg, today and tomorrow
Today (15 July): Air quality in Pittsburg is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 37.9/100).
Tomorrow (16 July 2026): Air quality in Pittsburg is fair. AQI improves to medium; PM2.5 increases to fair; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 40.2/100). 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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Pittsburg's air quality in California reflects the Suisun Bay position at the eastern San Francisco Bay Delta, with the US Steel Pittsburg Works legacy and surrounding industrial and refinery operations generating elevated industrial PM2.5 alongside vehicle traffic on SR-4. The Bay Delta breeze from San Francisco Bay provides afternoon ventilation, while the Carquinez Strait's channelled winds generally flush the area on most afternoons and summer wildfire smoke from the surrounding foothills is an increasingly frequent seasonal concern.
Today - 15 July | Pollution peaks at 09:00
AQI:
Fair
37.9/100
PM2.5 (fine particles):
Good
18.6/100
PM10 (coarse particles):
Good
11.8/100
NO2 (nitrogen dioxide):
Fair
20.5/100
O3 (ozone):
Fair
37.9/100
SO2 (sulfur dioxide):
Good
6.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.8/100
PM1 (ultrafine particles):
Good
10.1/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 10:00
AQI:
Medium
40.2/100
PM2.5 (fine particles):
Fair
27.0/100
PM10 (coarse particles):
Good
13.4/100
NO2 (nitrogen dioxide):
Fair
39.0/100
O3 (ozone):
Medium
40.2/100
SO2 (sulfur dioxide):
Good
6.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
18.6/100
Pollen forecast in Pittsburg
View pollen forecastFrequently Asked Questions
Is air quality bad in Pittsburg right now?
On 15 July 2026, overall air quality in Pittsburg is fair. AQI is the main air quality indicator at 37.9/100. Pollution peaks around 9:00 AM (O3: 37.9/100).
Will air quality be worse tomorrow in Pittsburg?
On 16 July 2026, air quality conditions in Pittsburg will be similar to today, with NO2 forecast at fair at 39.0/100. Pollution peaks around 10:00 AM (O3: 40.2/100).
When is air pollution at its worst in Pittsburg?
Pittsburg's air quality follows a clear seasonal pattern: the shortest stretch of clean air usually falls in the wetter winter months, but hot, sunny summer conditions drive persistent ozone problems, compounded by wildfire smoke risk into early autumn. Coastal breezes offer some relief compared to inland valley locations that see heavier smog buildup.
Are air quality levels in Pittsburg 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