Air District meteorologists issue daily forecasts for air quality. Like the weather, it can change from day to day. The IQAir air quality map of San Jose locates fires using NASA's Fire Information for Resource Management System (FIRMS) satellite observations. live AQI indexUnhealthy for Sensitive Groups, Interested in hourly forecast? The further south you drive, the cleaner the air will be in the region. This is because ozone is a pollutant created in the atmosphere when precursor pollutants react in sunlight and temperatures warmer than 84 degrees. In 2019, San Jose air quality averaged an overall US AQI rating of “good” and additionally met the more stringent World Health Organization (WHO) target for annual PM2.5 exposure of <10 μg/m3, with an average of 6.4 μg/m3. Find out more about contributors and data sources, NASA - National Aeronautics and Space Administration, South Coast Air Quality Management District (South Coast AQMD), Sensitive groups should wear a mask outdoors, Close your windows to avoid dirty outdoor air. Suggestions or comments on the web application can be emailed to Get the app, Reduce your air pollution exposure in South San Jose Hills, South San Jose Hills air pollution by location. From 2018 to 2019, air pollution fell by 48.3% due to a more average wildfire season during 2018. The city’s flourishing economic activity around technology has helped establish its position as the city with the highest median household income in the U.S. for its size.3 Perhaps unsurprisingly, San Jose’s relatively affluent and tech-savvy demographic has contributed to a large share of newer energy-efficient and electric cars on the road. Burn day forecasts that tell whether open burning is currently allowed in the Bay Area. AQI: Moderate (51 - 100) Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air … Air quality | 184 Figure 10. Spare the Air alerts correlate with the US air quality index (AQI) system and are usually dictated by high levels of PM2.5 or ozone pollution. Past years have not been as clean. + Article Resources [3] This correlates with either a PM2.5 concentration over 35.4 μg/m3 or an ozone concentration over 70 ppb. South San Francisco Air Quality Index (AQI) is now Good. Track air pollution now to help plan your day and make healthier lifestyle decisions. (2018). What is Spare the Air? Air quality is considered satisfactory, and air pollution poses little or no risk. For more information on the South Carolina's ambient air monitoring network, including current and past annual network descriptions and monitoring plans, please visit . Realtime broadcasting air quality information on your phone for more than 180 countries. Santa Clara County, of which San Jose is a part, experiences an average of 2.8 unhealthy ozone days per year. Marine inversions can cause air pollution to accumulate and linger in the lower atmosphere until weather conditions change. Air quality is considered satisfactory, and air pollution poses little or no risk. Track air pollution now to help plan your day and make healthier lifestyle decisions. Alarmed by the brutal air quality, San Jose officials opened up two clean air centers over the weekend to assist people who wanted to escape … Pollen and Air Quality forecast for San Jose, CA with air quality index, pollutants, pollen count and pollution map from Weather Underground. 18 days in 2018 did not attain the national 24-hour limit for PM2.5 (35 µg/m3), while 3 days did not attain the national 8-hour ozone standard of 0.070 ppm.1, According to the State of the Air Report by the American Lung Association, San Jose (including the San Francisco and Oakland area) ranked 3rd for worst 24-hour particle pollution out of 216 U.S. metropolitan areas and 5th for worst annual particle pollution out of 204 U.S. metropolitan areas.2. [9] Kirkwood K. (2020, October 10). In 2017, San Jose received an annual AQI rating of 43 (“good”) but still exceeded the more stringent WHO target by 0.4 μg/m3. Despite San Jose’s “good” annual air quality status in 2019, it’s important to stay informed of real-time and forecast air quality data in order to protect oneself and family from adverse health effects. Air pollution is caused by things such as garbage dumps, fuel spillage, dust and the many petrol stations that sell low-quality fuel. For the Bay Area, San Jose fares slightly better, on average, than the surrounding cities of Oakland and San Francisco for air pollution. [2] State of the Air – 2020. Air quality across the Bay Area remained unhealthy in much of the North Bay and East Bay as well as San Jose as multiple wildfires continued raging. Localized Air Quality Index and forecast for South San Jose Hills, CA. Read the air pollution in South Genevieve Lane, San Jose with AirVisual. Smoke consists of deadly PM2.5, carbon monoxide, nitrogen dioxide, formaldehyde, and acetaldehyde. This hourly ranking includes 2262 USA cities with PM2.5 AQI. The actions we will take to improve air quality in South Lakeland District Council between 2016 and 2020 are outlined in our Air Quality Action Plan (PDF 625KB / 33 pages). South San Jose Hills Air Quality Index (AQI) is now Moderate. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at … Within a recent five-year period (2015-2020), there have been 3 record-breaking wildfire seasons: 2017, 2018 and 2020. Bay Area Air Quality Management District. (2020). Please visit our COVID-19 page for the operational updates and latest information. Current and forecast air quality data for San Jose, California This phenomenon could counteract gains made by shifting to cleaner energy and transport. Pollution levels forecasted to be “orange,” “red,” “purple,” or “maroon” indicate a Spare the Air alert. During the COVID-19 pandemic of 2020, traffic congestion in San Jose fell by 70%.4 The Bay Area Air Quality Management District (BAAQMD) estimated that this effect contributed to a 20% reduction in PM2.5 pollution and a 40% reduction of nitrogen oxides, a precursor pollutant to ozone and smog. During such events, follow the recommended health precautions and avoid driving, woodburning, and barbecuing to help reduce your personal impact on the air. Scientists attribute the increase in wildfire activity in California and abroad to human-contributed climate change. As global temperatures rise with climate change and droughts become more frequent, wildfires are expected to become more numerous and severe in the future. San Jose and the surrounding Bay area have some of the worst air quality in the United States despite relatively few power plants and industrial businesses, shifts towards cleaner energy, and a quickly evolving transportation sector with a growing share of electric vehicles. We have a strong focus on the control of emissions that contribute to pollution. City-wide emissions are primarily from mobile sources, including cars, heavy-duty trucks, planes, and ships from nearby ports. Summertime heat, expected to worsen with climate change, is a contributor to high ozone levels in summer afternoons. [8] Rogers P. (2019, October 24). Breathing this combination of pollutants has been linked to hospital visits as a result of respiratory irritation and difficulty breathing as well as to more serious effects like reduced lung function, inflammation, bronchitis, heart failure, and even early death. Nine Nigerian urban areas were ranked among the most polluted places in Africa. In 2019, for example, November was the most polluted month in San Jose as a result of the Kincade Fire that burned in Sonoma County, which caused a Spare the Air alert to be issued as AQI levels reached 150 and higher, “unhealthy.”8 2020 saw the highest frequency of Spare the Air alerts in the Bay Area as a result of a record-breaking wildfire season, which caused 51 alerts by October alone.9. San Jose already has the highest ownership of registered electric vehicles nationally at 21 percent, and this figure is increasing rapidly.5 In October 2019, the city council committed to investing $14 million more into electric vehicle charging stations in the hopes of growing electric vehicle ownership to 61 percent by 2030 and driving down transport related emissions.6. Daily emissions are commonly compounded as a result of environmental factors that contribute to the trapping of air pollution in the atmosphere, including marine inversions, abundant sunshine, and the surrounding mountains. San Jose’s most polluted month of 2019 was November because of nearby wildfires, particularly the Kincade Fire. … Find out more about contributors and data sources, Bay Area Air Quality Management District (BAAQMD), Open your windows to bring clean, fresh air indoors. Only November exceeded this standard, with a monthly AQI average of 59 (“moderate”) and PM2.5 average of 15.9 μg/m3. Useful to citizen scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and Refer to the top of this page for San Jose’s forecast air quality data and real-time air quality data. We monitor air quality in metropolitan Adelaide and some regional centres, and have programs to maintain and improve our air quality. As temperatures rise, more water is lost to evaporation, contributing to drier conditions. Interested in hourly forecast? AIR QUALITY ANALYSIS AND STATISTICS FOR San Jose How bad is the air quality in San Jose? Bay Area sees record number of Spare the Air alerts in 2020. Use the air pollution map of San Jose to reveal real-time pollution concentrations and wind directions, and better understand the source of unhealthy air. Understand where fires are burning, the direction of wind, and the density of nearby smoke. Air Quality Data provided by the South Air Korea Environment Corporation (대기오염실시간공개시스템) ( and the Seoul Clean Air Pollution Information (서울특별시 기후대기환경정보) ( and the South Air Korea Environment … Impactful regulations have included controls on unleaded gasoline, increasingly stringent vehicle emission checks, smokestack scrubbers on industrial exhaust systems, and emission limits, among numerous others affecting a wide range of industries. The hotter the temperatures, the faster ozone is likely to form. In San Jose, Spare the Air alerts for PM2.5 pollution typically occur in the winter or during wildfire season.