The authors have reasonably addressed the comments of the referees. However, many (mostly minor) alterations are needed before the manuscript and its Supplement can be published in ACP.

Main text:
Line 18: Replace “westerly” by “westerly winds”.
Line 21: Replace “agriculture” by “agricultural”.
Line 52: Replace “indexes” by “indices”.
Line 58: Replace “one of” by “one of the”.
Line 63: Replace “of and” by “of cellulose and”.
Line 67: Replace “and the model” by “and model”.
Line 68: Replace “by the rates” by “by rates”.
Line 73: Replace “with rate” by “with a rate”.
Line 84: Replace “Levoglucosan” by “The levoglucosan”.
Line 85: Replace “differs from” by “is different for”.
Line 124: Replace “TSPs” by “TSP samples”.
Line 127: Replace “Each of the” by “Each”.
Line 130: Replace “all the collection procedures” by “the entire collection procedure”.
Line 131: Replace “running sampling” by “running the sampling”.
Line 132: Replace “OC levels in field” by “The OC levels in the field”.
Line 135: Replace “Regions near CHAAMS are” by “The region near CHAAMS is”.
Line 136: Replace “pellet and apply to” by “pellets for application in”.
Line 156: Replace “quantified” by “analyzed”.
Line 160: Replace “injected on” by “injected in”.
Line 162: Replace “operated on” by “operated in”.
Line 163: Replace “inoization” by “ionization”.
Line 176: Replace “,under” by “, under”.
Line 180: Replace “with that” by “as for”.
Line 189: Replace “were discussed” by “are discussed”.
Line 207: Replace “trajectory” by “trajectories”.
Line 208: Replace “was calculated” by “were calculated”.
Line 212: Replace “meteorology data” by “meteorological data”.
Line 216: Replace “fire spot” by “fire spots”.
Line 226: Replace “by winter” by “by the winter”.
Line 230: Replace “generally locate” by “are generally located”.
Line 240: Replace “to that of” by “to those of”.
Line 244: Replace “showed bimodal” by “showed a bimodal”.
Line 245: Replace “indicated consistent” by “indicated a consistent”.
Line 246: Replace “and secondary” by “and a secondary”.
Line 261: Replace “Among three” by “Of the three”.
Line 262: Replace “with the mean” by “with a mean”.
Line 264: Replace “indicates winter” by “shows a winter”.
Line 265: Replace “monthly mean” by “the monthly mean”.
Line 266: Replace “Similar” by “A similar”.
Line 270: Replace “The second” by “A second”.
Line 271: Replace “with those” by “than those”.
Line 275: Replace “of three” by “of the three”.
Line 283: Replace “anhydrosugars” by “anhydrosugar concentrations”.
Line 287: Replace “indicate the large” by “indicate large”.
Line 318: Replace “Higher level” by “A higher level”.
Line 322: Replace “Clear diurnal” by “A clear diurnal”.
Line 322: Replace “showing daytime” by “showing a daytime”.
Line 329: Replace “these regions” by “the regions passed over”.
Line 345: Replace “locates” by “is located”.
Line 351: Replace “with inorganic” by “and inorganic”.
Line 352: Replace “and with major ions that” by “and major ions that are”.
Line 358: Replace “nss-K+” by “Nss-K+”.
Line 369: Replace “K+ balance” by “the K+ balance”.
Line 378: Replace “relation” by “the relation”.
Line 379: Replace “although positive” by “although a positive”.
Line 384: Replace “recommend to” by “recommended to”.
Line 389: Replace “which was” by “which is”.
Line 401: Replace “are partly” by “is partly”.
Lines 403-404: Replace “of high level BC” by “of a high BC level”.
Line 407: Replace “with higher” by “with a higher”.
Line 411: Replace “Levoglucosan/Mannosan” by “The levoglucosan/mannosan”.
Line 411: Replace “has been used” by “was used”.
Line 419: Replace “mixture of softwood and hardwood, or mixture” by “a mixture of softwood and hardwood, or a mixture”.
Line 422: Replace “worthy noting” by “worth noting”.
Line 427: Replace “collect on” by “collected on”.
Line 429: Replace “of air” by “of the air”.
Line 438: Replace “have higher” by “have a higher”.
Line 441: Replace “air masses” by “the air masses”.
Line 450: Replace “Levoglucosan to” by “The levoglucosan to”.
Line 454: Replace “for coastal” by “for a coastal”.
Line 456: Replace “and remote” by “and a remote”.
Line 469: Replace “from local” by “from the local”.
Line 470: Replace “when L/OC” by “when the L/OC”.
Line 471: Replace “L/OC ratio” by “the L/OC ratio”.
Line 473: Replace “emit large” by “emit a large”.
Line 476: Replace “levoglucosan to EC” by “levoglucosan and EC”.
Line 477: Replace “Being similar to L/OC, L/EC ratios” by “Showing a similar behavior as the L/OC ratios, the L/EC ratios”.
Line 479: Replace “L/EC ratios” by “the L/EC ratios”.
Line 480: Replace “that of” by “those of”.
Line 482: Replace “L/EC ratios” by “the L/EC ratios”.
Line 483: Replace “in the same order with that” by “of the same order as those”.
Line 484-487: This sentence is confusing. It is unclear to me why a higher emission of EC from local fossil fuel combustion at Changdao can lead to similar L/EC ratios at the three sites in summer. Rewording is definitely needed.
Line 490: Replace “total and each anhydrosugar component” by “the sum of the three anhydrosugars or each anhydrosugar component separately”.
Line 493: Replace “clear seasonal” by “a clear seasonal”.
Line 494: Replace “on seasons” by “on season”.
Line 495: Replace “of anhydrosugars to WSOC and OC, and total anhydrosugars mass to TSP” by “of the anhydrosugar carbon to the WSOC and OC, and of the total anhydrosugar mass to the TSP”.
Line 496: Replace “Anhydrosugars account for 0.22% of WSOC and 0.13% of OC” by “The anhydrosugars account for 0.22% of the WSOC and 0.13% of the OC”.
Line 497: Replace “of anhydrosugars to WSOC” by “of the anhydrosugars to the WSOC”.
Line 499: Replace “anhydrosugars to WSOC in Okinawa is lower than those” by “the anhydrosugars to the WSOC in Okinawa is lower than that”.
Line 503: Replace “Anhydrosugars accounted for 0.06% of TSP on annual” by “The anhydrosugars accounted for 0.06% of the TSP on an annual”.
Line 505: Replace “L/OC ratio” by “The L/OC ratio”.
Line 505: Replace “to OC” by “to the OC”.
Line 506: Replace “L/OC ratios” by “The L/OC ratios”.
Line 509: Replace “L/OC ratios” by “the L/OC ratios”.
Line 511: Replace “have been” by “has been”.
Line 512: Replace “to OC” by “to the OC”.
Line 513: Replace “the L/OC” by “the L/OC ratio”.
Line 514: Replace “of OC” by “of the OC”.
Line 515: Replace “annual basis” by “on an annual basis”.
Line 515: Replace “to OC” by “to the OC”.
Line 520: Replace “affects the” by “affect the”.
Line 531: Replace “of anhydrosugars” by “of the anhydrosugars”.
Line 537: Replace “mixture of softwood and hardwood, or mixture” by “a mixture of softwood and hardwood, or a mixture”.
Line 538: Replace “to WSOC” by “to the WSOC”.
The following references are missing in the Reference list:
- “Bai et al. (2013)”, referred to in lines 76 and 78;
- “Lai et al. (2014)”, referred to in lines 75, 77, and 324;
- “Laumbach et al. (2012)”, referred to in line 43; there is “Laumbach and Kipen (2012)” in lines 702-704 of the Reference list, to which no reference is made within the text;
- “Slade et al. (2014)”, referred to in lines 77 and 78;
- “Zhang et al. (2009)”, referred to in line 437.
Lines 613-619: “Fu et al. (2008)” should come before “Fu et al. (2014)”.
Lines 742-750: “Pio et al. (2007)” should come before “Pio et al. (2008)”.
Line 786: “Simoneit et al. (2004)” should start on a new line.
Line 866: Replace “the ratios of levoglucosan with” by “ratios of levoglucosan to”.
Line 875: Replace “other two” by “the other two”.
Line 880: Replace “in anhydrosugars to WSOC and OC, total mass to TSP, and biomass burning (BB) to OC” by “in the anhydrosugars to the WSOC and OC, of the total anhydrosugar mass to the TSP, and of biomass burning (BB) to the OC”.
Line 905: Replace “of ratios of levoglucosan with” by “of the ratios of levoglucosan to”.
Line 908: Replace “levoglucosan with” by “levoglucosan to”.
Line 937: Replace “of ratios of levoglucosan with” by “of the ratios of levoglucosan to”.
Line 941: Replace “levoglucosan with” by “levoglucosan to”.

Supplementary material:
Line 5: Replace “This file include” by “This file includes”.
Line 5: Replace “Figure S1-2” by “Figures S1 and S2”.
Line 11: Replace “Anhydrosugars” by “The data for the anhydrosugars”.
Line 13: Replace “constrain K+” by “constrain the K+”.
Lines 14-16: Replace “on the replicate analyses, 15% and 5% of the uncertainties for the measurement of organic compounds and ions were applied, respectively, to PMF analysis” by “on replicate analyses, uncertainties of 15% and 5% for the measurement of the organic compounds and ions, respectively, were applied in the PMF analysis”.
Line 16: Replace “of organic” by “of the organic”.
Line 17: Replace “values of” by “values as”.
Line 18: Replace “When measured” by “When the measured”.
Line 18: Replace “below MDLs, 1/3 of MDL” by “below the MDLs, 1/3 of the MDL”.
Line 19: Replace “of MDL” by “of the MDL”.
Line 20: Replace “on given understanding of sources of” by “on a given understanding of the sources of the”.
Line 23: Replace “of tracers in each factor of” by “of the tracers in each factor of the”.
Line 24: Replace “profiles of” by “profiles of the”.
Line 25: Replace “comparing with base run, indicating a stable” by “compared to the base run, indicating stable”.
Line 26: Replace “and K+” by “and the K+”.
Lines 29-30: Replace “in months during” by “in the months from”.

Some minor alterations are still needed in the main text before the manuscript and its Supplement can be published in ACP.

Main text:
Line 406: Replace “level BC” by “BC level”.
Line 488: “Although clear” by “Although a clear”.
Line 489: “for longitudinal” by “for the longitudinal”.
Line 490: “(ratios of these” by “(the ratios for these”.
Line 491: “, longitudinal” by “, the longitudinal”.
Line 493: “of air masses” by “of the air masses”.
Line 494: “higher emission” by “a higher emission”.
Line 495: “Comprising with” by “Compared to”.
Line 497: “with those of maritime” by “as those of the maritime”.