Worst air pollution Pismo Beach, today and tomorrow
Today (15 July): Air quality in Pismo Beach is fair. PM2.5 is fair; AQI, PM10, NO2, and O3 are medium; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (NO2: 59.0/100).
Tomorrow (16 July 2026): Air quality in Pismo Beach is poor. AQI worsens to poor; PM10 increases to fair; NO2 increases to poor; SO2 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 65.8/100). 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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Pismo Beach's air quality is shaped largely by cool Central Coast marine air; onshore breeze keeps air quality consistently good. Overall, Pismo Beach sees air quality that tracks fairly closely with typical conditions for its wider region. Visitors and residents alike tend to notice the clearest air outside the warmest summer weeks.
Today - 15 July | Pollution peaks at 15:00
AQI:
Medium
59.0/100
PM2.5 (fine particles):
Fair
36.0/100
PM10 (coarse particles):
Medium
41.4/100
NO2 (nitrogen dioxide):
Medium
59.0/100
O3 (ozone):
Medium
42.7/100
SO2 (sulfur dioxide):
Good
19.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
19.7/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 18:00
AQI:
Poor
65.8/100
PM2.5 (fine particles):
Fair
37.3/100
PM10 (coarse particles):
Fair
38.1/100
NO2 (nitrogen dioxide):
Poor
65.8/100
O3 (ozone):
Medium
41.4/100
SO2 (sulfur dioxide):
Fair
27.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Fair
30.8/100
Pollen forecast in Pismo Beach
View pollen forecastFrequently Asked Questions
Is air quality bad in Pismo Beach right now?
On 15 July 2026, overall air quality in Pismo Beach is fair. PM2.5 is the main pollutant at 36.0/100. Pollution peaks around 3:00 PM (NO2: 59.0/100).
Will air quality be worse tomorrow in Pismo Beach?
On 16 July 2026, air quality conditions in Pismo Beach will be worse than today, with AQI forecast at poor at 65.8/100. Pollution peaks around 6:00 PM (NO2: 65.8/100).
When is air pollution at its worst in Pismo Beach?
Pismo Beach experiences a distinct seasonal swing in air quality: winter typically brings the cleanest stretch, once occasional rain clears the basin, but summer sunshine and heat drive some of the worst ozone readings in the country. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in Pismo Beach 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.
Want to see air quality forecasts for other cities in United States?
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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