Articles | Volume 11, issue 2
Atmos. Meas. Tech., 11, 709–720, 2018
https://doi.org/10.5194/amt-11-709-2018
Atmos. Meas. Tech., 11, 709–720, 2018
https://doi.org/10.5194/amt-11-709-2018

Research article 07 Feb 2018

Research article | 07 Feb 2018

Evaluation of a low-cost optical particle counter (Alphasense OPC-N2) for ambient air monitoring

Leigh R. Crilley et al.

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Short summary
The affordability and small size of low-cost particle sensors make them attractive for air pollution experiments that require multiple instruments, or take place in hard-to-access locations or low-income countries. For any sensor to be useful, its accuracy and precision need to be known. We evaluate the Alphasense OPC-N2 for monitoring airborne particles at typical UK urban background sites. The devices were found to be accurate provided they are correctly calibrated.