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. Author manuscript; available in PMC: 2023 Nov 4.
Published in final edited form as: Environ Pollut. 2016 Dec 21;221:491–500. doi: 10.1016/j.envpol.2016.12.039

Fig. 4.

Fig. 4.

Daily average particle counts for (a) the two PMS sensors, (b) the GRIMM and (c) the APS during ambient measurements at the Hawthorne monitoring station. Note that the x and y axes are log scale.