Articles | Volume 11, issue 4
https://doi.org/10.5194/amt-11-1937-2018
https://doi.org/10.5194/amt-11-1937-2018
Research article
 | 
06 Apr 2018
Research article |  | 06 Apr 2018

The BErkeley Atmospheric CO2 Observation Network: field calibration and evaluation of low-cost air quality sensors

Jinsol Kim, Alexis A. Shusterman, Kaitlyn J. Lieschke, Catherine Newman, and Ronald C. Cohen

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Cited articles

Bart, M., Williams, D. E., Ainslie, B., Mckendry, I., Salmond, J., Grange, S. K., Alavi-Shoshtari, M., Steyn, D., and Henshaw, G. S.: High Density Ozone Monitoring Using Gas Sensitive Semi-Conductor Sensors in the Lower Fraser Valley, British Columbia, Environ. Sci. Technol., 48, 3970–3977, 2014. 
Cox, R. M.: The use of passive sampling to monitor forest exposure to O3, NO2 and SO2: a review and some case studies, Environ. Pollut., 126, 301–311, https://doi.org/10.1016/S0269-7491(03)00243-4, 2003. 
Cross, E. S., Williams, L. R., Lewis, D. K., Magoon, G. R., Onasch, T. B., Kaminsky, M. L., Worsnop, D. R., and Jayne, J. T.: Use of electrochemical sensors for measurement of air pollution: correcting interference response and validating measurements, Atmos. Meas. Tech., 10, 3575–3588, https://doi.org/10.5194/amt-10-3575-2017, 2017. 
Dallmann, T. R., Harley, R. A., and Kirchstetter, T. W.: Effects of Diesel Particle Filter Retrofits and Accelerated Fleet Turnover on Drayage Truck Emissions at the Port of Oakland, Environ. Sci. Technol., 10773–10779, 2011. 
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Short summary
The newest generation of air quality sensors is small, low cost, and easy to deploy. These sensors are an attractive option for developing dense observation networks in support of regulatory activities and scientific research. However, these sensors are difficult to interpret. Here we describe a novel calibration strategy for a set of low cost sensors and demonstrate this calibration on a subset of the sensors comprising BEACO2N, a distributed network at the San Francisco Bay Area.
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