Get real-time, historical and forecast PM2.5 and weather data. Limit sun exposure to 17-50 minutes.Apply skin protection factor (SPF) 30+ and wear protective clothing (hat). The interactive, crowdsourced air quality map called Purple Air shows red, "unhealthy" levels of ash and soot throughout Berkeley and north past Richmond and San Pablo all the way to the Carquinez Bridge. Useful to citizen scientists or air quality professionals alike, PurpleAir sensors are easy to install, requiring only a power outlet and WiFi. “It’s blocking out the sun and allowing an even stronger marine layer and fog to move into the area. risk of harm from unprotected sun exposure. Air Quality Forecast: Forecast Location: San Jose, CA Forecast Agency: San Francisco Bay Area AQMD Two Day Forecast: Day One Forecast: Day Two Forecast: Date: 02/21/2021 Type: Ozone Index: Good AQI Value: 36 Date: 02/22/2021 Type: Particle Pollution (2.5 microns) Index: Good AQI Value: 38 Last Update: Sun, 21 Feb 2021 02:45:05 PST A Spare the Air alert issued by the air district was extended through Monday, putting the record streak for such days at 28 and surpassing the number of Spare the Air days combined from 2017-2019. Air quality data from the Air District Air Monitoring Network sites shown in the map are available to view online. Very easy to set up, they only require a WIFI access point and a USB power supply. Post was not sent - check your email addresses! pic.twitter.com/I1wvhOhFNi, — Bay Area Air Quality (@AirDistrict) September 11, 2020, The air quality has gotten worse as the winds associated with the marine layer that arrived Monday have gradually weakened. Get your own monitor and help fill the gaps in air pollution data. Berkeley (240), Redwood City (232), and San Jose (221 in the area of Knox Avenue; 212 near Jackson Street) also fell into the “very unhealthy” category. For example, an AQI value of 50 or below represents good air quality, while an AQI value over 300 represents hazardous air quality. Meteorologist Drew Peterson said the weather service received reports from observers at the Farallon Islands off the coast of San Francisco that visibility Friday morning was down to 1/16th of a mile. “We really don’t know.”. Forecasters are tracking what he called a “vigorous” low-pressure system that may act as a cleanser. Is an air pollutant that is a concern for people's health when levels are high. How is the air quality in Santa Clara? Ozone is primarily a problem in the summer, and fine particle pollution in the winter. SAN JOSE - SEPTEMBER 15: Some of the homes on the east side of San Jose, Calif., are barely visible from the the hills due to the smoke in the air … There is plenty of confusion when it comes to Air Quality Index readings during this time of smoke-filled skies from the historic outbreak of wildfires. Unfortunately, that marine layer is filled with the smoke, and the smoke is mixing with the fog.”. Laney College near Lake Merritt had a figure of 241, and West Oakland was measured at 239. Pollen and Air Quality forecast for San Jose, CA with air quality index, pollutants, pollen count and pollution map from Weather Underground. Apply skin protection factor (SPF) 30+ and wear protective clothing (hat). The smoke caused the cancellation of all horse racing at Golden Gate Fields in Albany, shut down tours of Alcatraz Island and closed Muir Woods. San Jose air quality index is 43, ranked #692 in California. Any mark over 200 is considered “very unhealthy” air for anyone to breathe. The smoky cloud cover that has enveloped the Bay Area — and the entire state of California — since Labor Day dipped the region into deep purple Friday, with air quality indexes sent soaring and events and tours shut down by a blanket hovering above the region like a menacing spirit. 95122 Zip Code Air Quality. PM2.5 are tiny particles in the air which reduce visibility and cause the air to appear hazy when levels are elevated. © Copyright TWC Product and Technology LLC 2014, 2021. You are about to report this weather station for bad data. The readings below are from both sensors in the PA-II-SD sensor unit. It’s still going to be everywhere, but it won’t be as concentrated. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views. Gilroy (198), Concord (190), Pleasanton (181) and Livermore (180) all were close to doing so. ... Purple: 301 to 500: Hazardous: Maroon: … The higher the AQI value, the greater the level of air pollution and the greater the health concern. In a social media post, the air district said conditions were not expected to improve Friday and that the “air quality may degrade as more smoke is expected to mix down to the ground.”, Light overnight winds allowed smoke to seep down from above the shallow marine layer, resulting in widespread Unhealthy & Very Unhealthy conditions. The results are automatically sent to purpleair.com website for aggregation and analysis. Already, the air has been bad for nearly a full month. ... and red and purple the worst. According to the California Department of Forestry and Fire Protection, five of the largest wildfires in the state’s history have occurred since the start of August. “As that happens, gravity has taken over,” he said. As smoke from wildfires continues to cover the Bay Area, officials with the Bay Area Air Quality Management District on Friday extended a Spare the Air alert through Monday, Sept. 14. The smoke was so thick that the weather service reported at 11 a.m. that the visibility in the region was anywhere from three miles to only three-quarters of a mile. In response, the city opened the Dimond branch of the Oakland Public Library at 3565 Fruitvale Ave. from noon to 7 p.m., and the North Oakland Senior Center at 5714 Martin Luther King Jr. Way from noon to 5 p.m. to offer relief. Purple Air … Video: Air quality remains poor throughout the West. Please select the information that is incorrect. Localized Air Quality Index and forecast for San Jose, CA. Purple haze: Air quality further deteriorates,…, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to email this to a friend (Opens in new window), California records its 50,000th coronavirus death, Purple haze: Air quality further deteriorates, as smoke-filled smog smothers Bay Area, PG&E fire victims file suit against former management, Just as her life was coming together in the Santa Cruz Mountains, flames roared through her home, Trash truck driver arrested in 2019 fatal California wildfire, Telecommunication companies must provide backup power during PSPS outages, CPUC says, Judge declines to reduce bail for man accused of igniting massive California wildfire. Purple Air uses a different scale than the EPA but you can convert it to the EPA’s scale if you go to the box labeled “Map Data,” look for the word “none” and change it to LRAPA. 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. ... Air quality indices (AQI) are numbers used by government agencies to characterize the quality of the air at a given location. Learn more about air pollution and your health. Saratoga-weather.org hosts a PurpleAir PA-II-SD air quality sensor on the north side of the house adjacent to the temperature/humidity sensors for our Davis Vantage Pro Plus weather station.
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