https://aerosol.us/index daily 1.0 2026-02-11 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541736462239-PZDHUBGA94MCJKY0AP47/grey.gif Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541651379632-PWG51TXC373O948W8H40/Blue+mountains+and+hills.jpg Home - Specializing in the measurement of airborne particles Founded in 1991, we are a small R&D company specializing in the measurement of airborne particles. These particles comprise the visual haze in the atmosphere, and are important to human health and global climate. Aerosol instruments developed by our firm are used for atmospheric research, routine monitoring, epidemiology studies and global climate research. https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541736302075-AHS9HKFBJFJKUEPWLD9L/wcpc.png Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541736345624-4HNTCAWRS9N71G9ARXJ1/magic.png Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541736386098-RWXSVCW8LCGS43E7SWCC/spot.jpg Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541736436463-U0WHAI7FTKAQMCE9EK67/TAG.png Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/0d2643c2-9dd4-4ca2-bca5-4762d6bd6447/MAGIC+250+angled+tight+crop.jpg Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/86864d57-e11a-4576-b9ea-72deabd3786e/NewSpiderMagic_wInlet2.jpg Home https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/7cf72ac6-457a-4559-8116-935e9ad7acee/biocascade-on-bench.jpg Home - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/a7245eaf-353c-4055-beea-88c2a054fa80/CAPM-CAD-image.png Home - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://aerosol.us/licensed-instruments daily 0.75 2018-11-09 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541641117706-K0WICANZ3BM0ZG5MG2A9/Spot-Samplers.png Licensed Instruments https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541646863613-JAZSCXMGACX0AE61BCLW/VIVAS.png Licensed Instruments https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541647138679-SLUBJDCKMOR9SXJDQHJT/IMG_20171121_151117.jpg Licensed Instruments https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541734415051-S4MY15C0SS07KOVPV1W2/TAG_pic_web.JPG Licensed Instruments https://aerosol.us/facilities daily 0.75 2018-11-13 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1540949997105-GFN4MKQIWHQQYEMNZBIT/Aerosol+Dynamics+facility.png Our Facilities https://aerosol.us/our-collaborators daily 0.75 2018-11-08 https://aerosol.us/publications daily 0.75 2025-12-10 https://aerosol.us/contact daily 0.75 2018-12-07 https://aerosol.us/about-1 daily 0.75 2025-12-05 https://aerosol.us/staff daily 0.75 2023-01-24 https://aerosol.us/wcpc daily 0.75 2025-12-10 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541545242086-WJO13RO5FTQ1ZV3D9XG9/IMG_20171121_151117.jpg - WCPC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541546464116-S3P7V36DTEKVBZ54GPQM/tsi-logo-1.jpg - WCPC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541546599290-TOCZY8AK2X29TZFWCS5Q/Clean-Room-WCPC-e1516477693678.jpg - WCPC https://aerosol.us/ctag daily 0.75 2018-11-16 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541647777337-3WK3UCIQRBE1SOXAUQ60/image-asset.png C-TAG https://aerosol.us/vwcpc daily 0.75 2026-01-07 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648094246-8T1OPI5NRWAT1T0CTBWK/vWCPC+how+it+works.png vWCPC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648234535-C2U266U8GI7RCQ5L0UE9/image-asset.png vWCPC Calibration curves for salt and metal oxide aerosols https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648297456-N37UB2EGV8TE3VFQDKP2/ambient+data+1.png vWCPC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1542089097538-73WCDMFW5R3J2NW51TRA/vWCPC_ambientScatter.png vWCPC https://aerosol.us/ami daily 0.75 2018-11-08 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648815421-F3JLLEUSOQDEDOWK9A0G/The+AMI+System.png AMI The AMI System https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648696410-FMG84BX33J8ZLRL4LCEC/AMI+1.png AMI https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648978540-D1URKVTIOU3TA3PR9K85/25nm.png AMI 25 nm particles https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541649057508-2AZ43YW4BEY087DFKGUK/image-asset.png AMI 55 nm particles https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541649098906-C2YYEOMNS0PEJ5ULY203/image-asset.png AMI 100 nm particles https://aerosol.us/tag daily 0.75 2026-02-11 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541734243854-6IXUL4JUGF7AKY82EH0Q/TAG_pic_web.JPG - TAG https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541547193913-AKVS6PTQUGW9HO7HRC71/Aerodyne-Research.png - TAG https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541546980834-MWI6VZOXWC1M255H0O7J/TAG+chart+1.png - TAG Zhao et al. (2013), http://dx.doi.org/10.1080/02786826.2012.747673 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541547051664-5OQ7PQ1FZ5SPW7D5JWS6/TAG+chart+2.png - TAG https://aerosol.us/vivas daily 0.75 2026-02-11 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541472239059-GWHQGA9XEDFVVT9UBFJ5/Biospot-Collection-Efficiency.png - BioSpot-VIVAS Physical collection efficiency as a function of particle size. https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541472193316-0U6STSE8NCVG6KY9L2LS/Growth-Tube-Collector.png - BioSpot-VIVAS Infectionous virus recovered from the VIVAS, as compared to a BioSampler [ from Lednicky, J., Pan, M., Loeb, J., Hsieh, H., Eiguren-Fernandez, A., Hering, S.,Fan, H. & Wu, C. Y. Highly efficient collection of infectious pandemic influenza H1N1 virus (2009) through laminar-flow water based condensation. Aerosol Science and Technology, 50(7), i-iv.(2016).] https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541472101761-7SWJVDNB905YRT0AO9C4/VIVAS.png - BioSpot-VIVAS https://aerosol.us/magic daily 0.75 2026-03-24 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/6b5b00b4-e3bd-4c4b-ae65-18fd515e2f97/Whimsical+stack%2C+manage+expectations.jpg - MAGIC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/bf6d4d56-007c-4e9c-ad27-2107c8a518e4/MAGIC+cpc+diagram.png - MAGIC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541548557107-OWNR8TVV3ORHGHNVY3GY/MAGIC+calibration+curve.png - MAGIC Calibration curve https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541548602500-KPWG7ZS1BTD79QRW1X7K/image-asset.png - MAGIC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541548617658-EKYZFW4HXIJYKRLLHQZH/MAGIC+multiday+2.png - MAGIC https://aerosol.us/spot-sampler daily 0.75 2018-11-08 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541469994149-M7KKLT38GOB9Y4UFBOTJ/Screen+Shot+2018-11-05+at+6.04.38+PM.png - Spot Sampler https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541470351645-SR54IQTXAMIDJES41NUJ/Spot+well.png - Spot Sampler https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541470991391-VNDU2VRKBD0LCL0OXHVI/Extraction+by+the+autosampler.png - Spot Sampler Extraction by the autosampler https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541470555769-J3NHMRCJ9JXH9TQKOSOE/Centerline-Graph.png - Spot Sampler Dotted lines are for high particle concentration. https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541471146986-MXCM2813VD952P856UI4/Collection+efficiency.png - Spot Sampler Collection efficiency https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541471235930-2X9JTLSFE5XZC0L72R4L/Stockton.png - Spot Sampler Twice-daily nitrate, sulfate and PAHs in Stockton, CA https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541468737747-1AR4CW1PXZ370B4SC4B9/Spot-Samplers.png - Spot Sampler https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541547356266-CWCATCIR63YUHEIRHKH3/ADev-logo-H.jpg - Spot Sampler https://aerosol.us/spider daily 0.75 2026-01-24 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/86864d57-e11a-4576-b9ea-72deabd3786e/NewSpiderMagic_wInlet2.jpg - Spider MAGIC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/e1fb321c-2ebb-4600-9e80-efd590285f81/Spider-transfer-function.png - Spider MAGIC - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/007c8a53-d444-4b0e-8f7e-dcce554e2d74/spider-sample-data.png - Spider MAGIC - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://aerosol.us/biocascade daily 0.75 2026-02-07 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/7cf72ac6-457a-4559-8116-935e9ad7acee/biocascade-on-bench.jpg - BioCascade https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/9dffadc2-c74e-4c31-8058-c6359c1b85ed/biocascade-flow-diagram.png - BioCascade - Make it stand out BioCascade flow schematic (first two stages shown in section view). https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/01f2fa65-883e-41c6-bf82-bc4e293b3237/handix-logo.png - BioCascade - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/9f695b87-a884-41d1-8395-fbc9da981f95/complete-bioaerosol.JPG - BioCascade - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://aerosol.us/capm daily 0.75 2026-02-07 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/a7245eaf-353c-4055-beea-88c2a054fa80/CAPM-CAD-image.png - Community Airborne Particle Monitor https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1b7f5aaf-a24d-44da-ae14-2741c66df990/cCPC-cCPC-matching-vs-conc.png - Community Airborne Particle Monitor - Make it stand out Data comparison between two cCPCs https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/9c3166a0-9a5a-4bd8-b4fc-d71647871289/cCPC-MAGIC-matching-vs-conc.png - Community Airborne Particle Monitor - Make it stand out Data comparison between two cCPCs vs mean MAGIC CPC https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/8c45f704-a4b8-4e12-a89e-f591bc2b377f/cCPC-MAGIC-matching-vs-time.png - Community Airborne Particle Monitor - Make it stand out Time series of ambient data from two cCPCs and two Magic CPCs operated side-by-side in Berkeley, California. From Hering et al. (2025). https://aerosol.us/gem daily 0.75 2025-12-09 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/30553449-c411-46c2-bd86-4966b08a2283/GEM-inst-new-logo.png - BioSpot-GEM https://aerosol.us/-tsi-9001 daily 0.75 2025-12-10 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648094246-8T1OPI5NRWAT1T0CTBWK/vWCPC+how+it+works.png - TSI 9001 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648234535-C2U266U8GI7RCQ5L0UE9/image-asset.png - TSI 9001 Calibration curves for salt and metal oxide aerosols https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1541648297456-N37UB2EGV8TE3VFQDKP2/ambient+data+1.png - TSI 9001 https://images.squarespace-cdn.com/content/v1/5bd0aefdf4e5313106627f41/1542089097538-73WCDMFW5R3J2NW51TRA/vWCPC_ambientScatter.png - TSI 9001 https://aerosol.us/the-magazine-rally daily 0.75 2026-03-21 https://images.squarespace-cdn.com/content/v1/57d6c55a2994cab476e9fb40/1475002184585-ITBO35QCZW1C4CAK2ZV6/image-asset.jpeg The Magazine