Meyers Dry Creek Garden, Union City Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (10 October): Air quality in Meyers Dry Creek Garden is fair. AQI, PM2.5, and O3 are fair; PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (O3: 31.5/100).
Air Quality Tomorrow
Tomorrow (11 October 2026): Air quality in Meyers Dry Creek Garden is fair. All pollutants stay as today. Pollution peaks around 3:00 PM (PM2.5: 35.2/100).
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Air Quality
Today - 10 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 31.5/100 |
| PM2.5 (fine particles) | Fair | 23.0/100 |
| PM10 (coarse particles) | Good | 13.0/100 |
| NO2 (nitrogen dioxide) | Good | 1.5/100 |
| O3 (ozone) | Fair | 31.5/100 |
| SO2 (sulfur dioxide) | Good | 0.5/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 1.5/100 |
| PM1 (ultrafine particles) | Good | 3.9/100 |
Tomorrow - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 35.2/100 |
| PM2.5 (fine particles) | Fair | 35.2/100 |
| PM10 (coarse particles) | Good | 19.9/100 |
| NO2 (nitrogen dioxide) | Good | 3.7/100 |
| O3 (ozone) | Fair | 32.2/100 |
| SO2 (sulfur dioxide) | Good | 0.8/100 |
| CO (carbon monoxide) | Good | 0.5/100 |
| HCHO (formaldehyde) | Good | 2.5/100 |
| PM1 (ultrafine particles) | Good | 7.3/100 |
Local Environmental Conditions
This part of Union City combines built-up streets with more open land, so local traffic matters, though emissions are less concentrated than in a city center. Open grassland and scrub can produce smoke during grass fires and some dust in dry spells. Pockets of trees and green space help filter a small share of the particles from traffic. On some days, pollution drifting in from farther away outweighs local sources.
Particle levels tend to be highest from December to February, when home heating and traffic add more emissions and cold, calm spells at around 9°C slow their dispersal. In August, strong sunshine and temperatures around 20°C drive ozone formation, with levels peaking in the afternoon. Wildfire season runs roughly from June to October, when smoke from fires, near or far, can bring hazy days and very poor air quality.
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Frequently Asked Questions About Air Quality in California
Is air quality bad in Meyers Dry Creek Garden right now?
On 10 October 2026, overall air quality in Meyers Dry Creek Garden is fair. AQI is the main air quality indicator at 31.5/100. Pollution peaks around 2:00 AM (O3: 31.5/100).
Will air quality be worse tomorrow in Meyers Dry Creek Garden?
On 11 October 2026, air quality conditions in Meyers Dry Creek Garden will be similar to today, with AQI forecast at fair at 35.2/100. Pollution peaks around 3:00 PM (PM2.5: 35.2/100).
When is air pollution at its worst in Meyers Dry Creek Garden?
Particle levels tend to be highest from December to February, when home heating and traffic add more emissions and cold, calm spells at around 9°C slow their dispersal. In August, strong sunshine and temperatures around 20°C drive ozone formation, with levels peaking in the afternoon. Wildfire season runs roughly from June to October, when smoke from fires, near or far, can bring hazy days and very poor air quality.
Are air quality levels in Meyers Dry Creek Garden 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. |