Localized Air Quality Index and forecast for Walnut Creek, CA. Air pollution in excess of government standards can contribute to adverse health effects in the general public, though sensitive groups including children, the elderly and those with heart or lung disease, tend to be more acutely affected. Due to their size, which often span up to tens of thousands of acres, wildfire impacts on air quality can be significant and far reaching. In 2016 to 2018, there was an average of 2.7 unhealthy ozone days a year. Real-time air quality in Walnut Creek should be monitored often in the case of active wildfires in the area. As of late August, the 2020 “lightning siege” scorched more than 1.1 million acres in a little more than a week.3 The “LNU lightning complex” and “SCU Lightning Complex fires” were of particular threat to Walnut Creek air quality, driving evacuations in some areas. Such effects have been clearly noted in California and the Bay Area, which had record-breaking burned acreage in 2017 and 2018 as a result of wildfires.2 2020 also appears on track to exceed these years, potentially smashing all previous records. (2020). San Francisco Temperatures: Averages by Month. East Bay Times. In the long term, ozone exposure can cause respiratory infections, permanent lung damage, cancer, and early death. On average, the vast majority of Spare the Air alerts are issued as a result of high PM2.5 levels, roughly 11 a year. Read the air pollution in Rudgear Road, Walnut Creek with AirVisual. [5] Spare the Air. Motor vehicles tend to comprise 40 to 75 percent of air pollution emissions, contributing to elevated levels of black carbon, PM2.5, nitrogen oxides, and volatile organic compounds, among others. During the winter, colder temperatures prevent ozone formation. PM2.5 are tiny particles in the air which reduce visibility and cause the air to appear hazy when levels are elevated. These react in sunlight to produce ground-level ozone, often referred to as “smog”. Get real-time, historical and forecast PM2.5 and weather data. Through this season, Walnut Creek air quality suffers from another pollutant: fine particle pollution (PM2.5). The onslaught of wildfires and burned acreage in 2020 resulted from a dry lightning storm, which ignited 367 fires in the area. [6] Current Results. Wear an N95 pollution mask if possible. You are about to report this weather station for bad data. Open your windows to bring clean, fresh air indoors. 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. These PM2.5 pollution swings primarily occurred during the winter months as a result of wood burning and pollution-trapping temperature inversions, or as a result of wildfires in the late summer and early fall. Get the app, Reduce your air pollution exposure in Walnut Creek. ● Avoid strenuous outdoor activity to reduce the amount of smoke you inhale (e.g. Set air conditioning (HVAC) systems with fresh air intake to their recirculate mode. In the long term, ozone exposure can cause respiratory infections, permanent lung damage, cancer, and early death. © Copyright TWC Product and Technology LLC 2014, 2020. [4] Environmental Protection Agency (EPA). People seldom think of indoor spaces as being affected by wildfire smoke. [3] Andrew F, and Knowles H. (2020, August 23). The EPA targets no more than 3.2 unhealthy ozone days a year. The city’s “good” status, however, oversimplifies the day-to-day situation by smoothing over short-term pollution events. Run air cleaning systems as often as possible, on the highest fan speed. The amount of burned acreage per year, moreover, has jumped eight-fold since 1970. AQI Source: Contains Copernicus Atmosphere Monitoring Service information 2020 and/or modified Copernicus Atmosphere Monitoring Service information 2020. (2020, August 25). Wildfires and indoor air quality (IAQ). Small numbers of laboratory-confirmed influenza cases or a single laboratory-confirmed influenza outbreak has been reported, but there is no increase in cases of ILI. PM2.5 pollution is released daily from various sources of combustion, such as fuel combustion, coal-burning, wood burning, and wildfires. For ozone pollution, Walnut Creek meets federal attainment targets, although levels are close to the EPA threshold. We will review the data in question. Researchers, however, estimate that indoor particle levels tend to be between 49% and 76% of the increases in outdoor particle levels during wildfires.4 To reduce your exposure to outdoor air pollution in Walnut Creek, follow the below wildfire protocol: ● Check current and forecast air quality levels in Walnut Creek at the top of this page.

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