Old Scripps Building, San Diego Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (10 October): Air quality in Old Scripps Building is fair. AQI, PM2.5, and PM10 are fair; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM10: 39.9/100).
Air Quality Tomorrow
Tomorrow (11 October 2026): Air quality in Old Scripps Building is fair. All pollutants stay as today. Pollution peaks around 5:00 AM (PM2.5: 24.6/100).
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Air Quality
Today - 10 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 39.9/100 |
| PM2.5 (fine particles) | Fair | 31.7/100 |
| PM10 (coarse particles) | Fair | 39.9/100 |
| NO2 (nitrogen dioxide) | Good | 2.7/100 |
| O3 (ozone) | Good | 18.6/100 |
| SO2 (sulfur dioxide) | Good | 0.9/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 1.3/100 |
| PM1 (ultrafine particles) | Good | 2.6/100 |
Tomorrow - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 24.6/100 |
| PM2.5 (fine particles) | Fair | 24.6/100 |
| PM10 (coarse particles) | Fair | 24.0/100 |
| NO2 (nitrogen dioxide) | Good | 4.8/100 |
| O3 (ozone) | Good | 15.8/100 |
| SO2 (sulfur dioxide) | Good | 0.5/100 |
| CO (carbon monoxide) | Good | 0.4/100 |
| HCHO (formaldehyde) | Good | 1.0/100 |
| PM1 (ultrafine particles) | Good | 2.7/100 |
Local Environmental Conditions
Around this site in San Diego, a mix of built-up land and open space means traffic is an important, but not overwhelming, local pollution source. Parks and street trees provide a modest buffer against traffic pollution. Open water nearby lets breezes move freely across the area, helping to disperse pollutants. Air arriving from elsewhere in the region adds to what is produced locally.
Air near roads is often at its worst from January to March, when nights cool to around 14°C and the air turns still. By contrast, ozone is the main concern from July to September, when sunny days averaging 22°C turn traffic and other emissions into ozone by mid-afternoon. Day to day, calm and dry conditions let pollution build, while wind and rain clear it away.
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Frequently Asked Questions About Air Quality in California
Is air quality bad in Old Scripps Building right now?
On 10 October 2026, overall air quality in Old Scripps Building is fair. AQI is the main air quality indicator at 39.9/100. Pollution peaks around 10:00 AM (PM10: 39.9/100).
Will air quality be worse tomorrow in Old Scripps Building?
On 11 October 2026, air quality conditions in Old Scripps Building will be similar to today, with AQI forecast at fair at 24.6/100. Pollution peaks around 5:00 AM (PM2.5: 24.6/100).
When is air pollution at its worst in Old Scripps Building?
Air near roads is often at its worst from January to March, when nights cool to around 14°C and the air turns still. By contrast, ozone is the main concern from July to September, when sunny days averaging 22°C turn traffic and other emissions into ozone by mid-afternoon. Day to day, calm and dry conditions let pollution build, while wind and rain clear it away.
Are air quality levels in Old Scripps Building 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |