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1. • “good” with a US AQI of 27

     • In 2019, Walnut Creek’s average annual air quality met the US Environmental Protection Agency (EPA) qualification for “good” with a US AQI of 27, indicating that the air generally poses little risk to health. The city’s “good” status, however, oversimplifies the day-to-day situation by smoothing over short-term pollution events.
     www.iqair.com/us/usa/california/walnut-creek

     Walnut Creek Air Quality Index (AQI) and California Air ...

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   Does Walnut Creek have good air quality?

   • In 2019, Walnut Creek’s average annual air quality met the US Environmental Protection Agency (EPA) qualification for “good” with a US AQI of 27, indicating that the air generally poses little risk to health. The city’s “good” status, however, oversimplifies the day-to-day situation by smoothing over short-term pollution events.

   Walnut Creek Air Quality Index (AQI) and California Air Pollution | IQAir

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   What is the air quality index in Walnut Creek CA?

   • What is the air quality index in Walnut Creek, CA? In 2019, Walnut Creek’s average annual air quality met the US Environmental Protection Agency (EPA) qualification for “good” with a US AQI of 27, indicating that the air generally poses little risk to health.

   Walnut Creek Air Quality Index (AQI) and California Air Pollution | IQAir

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   Why is Walnut Creek a pollutant?

   • During the winter, colder temperatures prevent ozone formation. Through this season, Walnut Creek air quality suffers from another pollutant: fine particle pollution (PM2.5). PM2.5 pollution is released daily from various sources of combustion, such as fuel combustion, coal-burning, wood burning, and wildfires.

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   Does Walnut Creek have ozone pollution?

   • The American Lung Association (ALA) 2019 State of the Air report card rated Walnut Creek and greater Contra Costa County a “D” for ozone pollution. The rating comes from the city’s average 2.7 unhealthy ozone days it experiences annually, a tally close to the 3.2 unhealthy ozone day threshold.

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   How should Walnut Creek air quality be monitored during wildfires?

   • Real-time air quality in Walnut Creek should be monitored often in the case of active wildfires in the area. Walnut Creek AQI readings above 100, orange “unhealthy for sensitive groups,” should be met with action, such as reducing outdoor activity and wearing an N95 mask. People seldom think of indoor spaces as being affected by wildfire smoke.

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   Why is Walnut Creek Smoky?

   • Walnut Creek’s smoky air quality conditions are often the result of wildfires burning in the Bay Area. Wildfires have become increasingly frequent and severe with the escalation of global climate change.

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3. www.iqair.com › us › usaWalnut Creek Air Quality Index (AQI) and California Air ...

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   In 2019, Walnut Creek’s average annual air quality met the US Environmental Protection Agency (EPA) qualification for “good” with a US AQI of 27, indicating that the air generally poses little risk to health.

   • Humidity: 26%
   • Weather: Clear sky

   • Temperature: 73.4°F
   • Wind: 4.6 mph

4. www.iqair.com › us › air-quality-mapWalnut Creek air quality map

   www.iqair.com › us › air-quality-map

   Track air quality in Walnut Creek. Comprehensive summaries and real-time analyses of the air quality, pollution levels, and forecasts for Walnut Creek. FIND OUT MORE.

5. www.accuweather.com › en › usWalnut Creek, CA Air Quality Index - AccuWeather

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   Localized Air Quality Index and forecast for Walnut Creek, CA. Track air pollution now to help plan your day and make healthier lifestyle decisions.

6. www.iqair.com › in-en › usaWalnut Creek Air Quality Index (AQI) and California Air ...

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   Walnut Creek Air Quality Index (AQI) is now Good. Get real-time, historical and forecast PM2.5 and weather data. Read the air pollution in Walnut Creek, California with AirVisual.

7. air-quality.com › place › united-statesWalnut Creek Real-time Air Quality Index (AQI) & Pollen ...

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   Walnut Creek. Contra Costa County, California. 2024-05-01 07:00. AQI (US) Good. 17. Pollutants | Pollens. PM2.5. μg/m³.

8. air-quality.com › place › united-statesWalnut Creek Real-time Air Quality Index (AQI) & Pollen ...

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   Walnut Creek: AQI (US) 34 Good, Pollen 3.7 Low-medium.

9. weather.com › en-MH › forecastAir Quality Forecast for Walnut Creek, CA, United States ...

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   Today's Air Quality-Walnut Creek, CA, United States. 27. Good. Air quality is considered satisfactory, and air pollution poses little or no risk. Primary Pollutant: O3 (Ozone)