| Adams, M. D., and P. S. Kanaroglou, 2016: A criticality index for air pollution monitors. Atmospheric Pollution Research, 7, 482−487, https://doi.org/10.1016/j.apr.2015.11.004. |
| Ariya, P. A., A. Dastoor, Y. Nazarenko, and M. Amyot, 2018: Do snow and ice alter urban air quality? Atmos. Environ., 186, 266−268, https://doi.org/10.1016/j.atmosenv.2018.05.028. |
| Bilal, M., and Coauthors, 2019: Characteristics of fine particulate matter (PM2.5) over urban, suburban, and rural areas of Hong Kong. Atmosphere, 10, 496, https://doi.org/10.3390/atmos10090496. |
| Chan, C. K., and X. H. Yao, 2008: Air pollution in mega cities in China. Atmos. Environ., 42, 1−42, https://doi.org/10.1016/j.atmosenv.2007.09.003. |
| Degraeuwe, B., P. Thunis, A. Clappier, M. Weiss, W. Lefebvre, S. Janssen, and S. Vranckx, 2017: Impact of passenger car NOx emissions on urban NO2 pollution - Scenario analysis for 8 European cities. Atmos. Environ., 171, 330−337, https://doi.org/10.1016/j.atmosenv.2017.10.040. |
| Dong, J. D., X. L. Chen, X. B. Cai, Q. Q. Xu, Y. T. Guan, T. H. Li, S. Y. Liu, and F. Chen, 2020: Analysis of the temporal and spatial variation of atmospheric quality from 2015 to 2019 based on China atmospheric environment monitoring station. Journal of Geo-Information Science, 22, 1983−1995, https://doi.org/10.12082/dqxxkx.2020.200212. (in Chinese with English abstract |
| Fan, H., C. F. Zhao, and Y. K. Yang, 2020: A comprehensive analysis of the spatio-temporal variation of urban air pollution in China during 2014−2018. Atmos. Environ., 220, 117066, https://doi.org/10.1016/j.atmosenv.2019.117066. |
| Finlayson-Pitts, B. J., and J. N. Pitts Jr., 1997: Tropospheric air pollution: Ozone, airborne toxics, polycyclic aromatic hydrocarbons, and particles. Science, 276, 1045−1051, https://doi.org/10.1126/science.276.5315.1045. |
| Gao, L., X. Yue, X. Y. Meng, L. Du, Y. D. Lei, C. G. Tian, and L. Qiu, 2020: Comparison of ozone and PM2.5 concentrations over urban, suburban, and background sites in China. Adv. Atmos. Sci., 37, 1297−1309, https://doi.org/10.1007/s00376-020-0054-2. |
| Gego, E. L., P. S. Porter, J. S. Irwin, C. Hogrefe, and S. T. Rao, 2005: Assessing the comparability of ammonium, nitrate and sulfate concentrations measured by three air quality monitoring networks. Pure Appl. Geophys., 162, 1919−1939, https://doi.org/10.1007/s00024-005-2698-3. |
| Geng, F. H., X. X. Tie, J. M. Xu, G. Q. Zhou, L. Peng, W. Gao, X. Tang, and C. S. Zhao, 2008: Characterizations of ozone, NOx, and VOCs measured in Shanghai, China. Atmos. Environ., 42, 6873−6883, https://doi.org/10.1016/j.atmosenv.2008.05.045. |
| Guo, H., X. F. Gu, G. X. Ma, S. Y. Shi, W. N. Wang, X. Zuo, and X. C. Zhang, 2019: Spatial and temporal variations of air quality and six air pollutants in China during 2015−2017. Scientific Reports, 9, 15201, https://doi.org/10.1038/s41598-019-50655-6. |
| Huang, D., Q. L. Li, X. X. Wang, G. X. Li, L. Q. Sun, B. He, L. Zhang, and C. S. Zhang, 2018: Characteristics and trends of ambient ozone and nitrogen oxides at urban, suburban, and rural sites from 2011 to 2017 in Shenzhen, China. Sustainability, 10, 4530, https://doi.org/10.3390/su10124530. |
| Jiang, B. W., Y. G. Li, and W. X. Yang, 2020: Evaluation and treatment analysis of air quality including particulate pollutants: A case study of Shandong province, China. International Journal of Environmental Research and Public Health, 17, 9476, https://doi.org/10.3390/ijerph17249476. |
| Kang, M. J., J. Zhang, H. L. Zhang, and Q. Ying, 2021: On the relevancy of observed ozone increase during COVID-19 lockdown to summertime ozone and PM2.5 control policies in China. Environmental Science & Technology Letters, 8, 289−294, https://doi.org/10.1021/acs.estlett.1c00036. |
| Lei, K., and Coauthors, 2019: Improved inversion of monthly ammonia emissions in China based on the Chinese Ammonia Monitoring Network and ensemble Kalman filter. Environmental Science & Technology, 53, 12 529−12 538, |
| Li, F., and Coauthors, 2019c: Estimation of representative errors of surface observations of air pollutant concentrations based on high-density observation network over Beijing-Tianjin-Hebei region. Chinese Journal of Atmospheric Sciences, 43, 277−284, https://doi.org/10.3878/j.issn.1006-9895.1804.17267. (in Chinese with English abstract |
| Li, G. H., and Coauthors, 2017a: Widespread and persistent ozone pollution in eastern China during the non-winter season of 2015: Observations and source attributions. Atmospheric Chemistry and Physics, 17, 2759−2774, https://doi.org/10.5194/acp-17-2759-2017. |
| Li, K., D. J. Jacob, H. Liao, L. Shen, Q. Zhang, and K. H. Bates, 2019a: Anthropogenic drivers of 2013-2017 trends in summer surface ozone in China. Proceedings of the National Academy of Sciences of the United States of America, 116, 422−427, https://doi.org/10.1073/pnas.1812168116. |
| Li, L. Y., W. Z. Yang, S. D. Xie, and Y. Wu, 2020: Estimations and uncertainty of biogenic volatile organic compound emission inventory in China for 2008−2018. Science of the Total Environment, 733, 139301, https://doi.org/10.1016/j.scitotenv.2020.139301. |
| Li, M., and Coauthors, 2017b: Anthropogenic emission inventories in China: A review. National Science Review, 4, 834−866, https://doi.org/10.1093/nsr/nwx150. |
| Li, M., and Coauthors, 2019b: Persistent growth of anthropogenic non-methane volatile organic compound (NMVOC) emissions in China during 1990−2017: Drivers, speciation and ozone formation potential. Atmospheric Chemistry and Physics, 19, 8897−8913, https://doi.org/10.5194/acp-19-8897-2019. |
| Liang, G. L., 2018: Talking about the site selection of environmental air quality monitoring sites in the new era. Guangdong Chemical Industry, 45, 160, 177, |
| Liu, C., and Coauthors, 2019: Ambient particulate air pollution and daily mortality in 652 cities. The New England Journal of Medicine, 381, 705−715, https://doi.org/10.1056/NEJMoa1817364. |
| Liu, Q. C., X. Y. Li, T. Liu, and X. J. Zhao, 2020: Spatio-temporal correlation analysis of air quality in China: Evidence from provincial capitals data. Sustainability, 12, 2486, https://doi.org/10.3390/su12062486. |
| Lu, K. D., and Coauthors, 2019a: Fast photochemistry in wintertime haze: Consequences for pollution mitigation strategies. Environmental Science & Technology, 53, 10 676−10 684, |
| Lu, M. M., and Coauthors, 2019b: Investigating the transport mechanism of PM2.5 pollution during January 2014 in Wuhan, central China. Adv. Atmos. Sci., 36, 1217−1234, https://doi.org/10.1007/s00376-019-8260-5. |
| Lu, X., and Coauthors, 2020a: Progress of air pollution control in China and its challenges and opportunities in the Ecological Civilization Era. Engineering, 6, 1423−1431, https://doi.org/10.1016/j.eng.2020.03.014. |
| Lu, X., L. Zhang, X. L. Wang, M. Gao, K. Li, Y. Z. Zhang, X. Yue, and Y. H. Zhang, 2020b: Rapid increases in warm-season surface ozone and resulting health impact in China since 2013. Environmental Science & Technology Letters, 7, 240−247, https://doi.org/10.1021/acs.estlett.0c00171. |
| Luo, X.-S., Z. Zhao, Y. Chen, X. L. Ge, Y. Huang, C. Suo, X. Sun, and D. Zhang, 2017: Effects of emission control and meteorological parameters on urban air quality showed by the 2014 Youth Olympic Games in China. Fresenius Environmental Bulletin, 26, 4798−4807. |
| Ma, T., and Coauthors, 2019: Air pollution characteristics and their relationship with emissions and meteorology in the Yangtze River Delta region during 2014−2016. Journal of Environmental Sciences, 83, 8−20, https://doi.org/10.1016/j.jes.2019.02.031. |
| Meng, X. Y., Z. Y. Gong, C. X. Ye, S. Wang, H. Sun, and X. Zhang, 2017: Characteristics of ozone concentration variation in 74 Cities from 2013 to 2016. Environmental Monitoring in China, 33, 101−108, https://doi.org/10.19316/j.issn.1002-6002.2017.05.15. (in Chinese with English abstract |
| Ning, G. C., S. G. Wang, M. J. Ma, C. J. Ni, Z. W. Shang, J. X. Wang, and J. X. Li, 2018: Characteristics of air pollution in different zones of Sichuan Basin, China. Science of the Total Environment, 612, 975−984, https://doi.org/10.1016/j.scitotenv.2017.08.205. |
| Piersanti, A., L. Vitali, G. Righini, G. Cremona, and L. Ciancarella, 2015: Spatial representativeness of air quality monitoring stations: A grid model based approach. Atmospheric Pollution Research, 6, 953−960, https://doi.org/10.1016/j.apr.2015.04.005. |
| Ravishankara, A. R., 1997: Heterogeneous and multiphase chemistry in the troposphere. Science, 276, 1058−1065, https://doi.org/10.1126/science.276.5315.1058. |
| Rohde, R. A., and R. A. Muller, 2015: Air pollution in China: Mapping of concentrations and sources. PLoS One, 10, e0135749, https://doi.org/10.1371/journal.pone.0135749. |
| Shao, M., X. Y. Tang, Y. H. Zhang, and W. J. Li, 2006: City clusters in China: Air and surface water pollution. Frontiers in Ecology and the Environment, 4, 353−361, https://doi.org/10.1890/1540-9295(2006)004[0353:CCICAA]2.0.CO;2. |
| Shao, M., and Coauthors, 2021: Quantifying the role of PM2.5 dropping in variations of ground-level ozone: Inter-comparison between Beijing and Los Angeles. Science of the Total Environment, 788, 147712, https://doi.org/10.1016/j.scitotenv.2021.147712. |
| Song, C. B., and Coauthors, 2017: Air pollution in China: Status and spatiotemporal variations. Environmental Pollution, 227, 334−347, https://doi.org/10.1016/j.envpol.2017.04.075. |
| Tang, X., J. Zhu, Z. F. Wang, and A. Gbaguidi, 2011: Improvement of ozone forecast over Beijing based on ensemble Kalman filter with simultaneous adjustment of initial conditions and emissions. Atmospheric Chemistry and Physics, 11, 12 901−12 916, |
| Tao, J., and Coauthors, 2014: PM2.5 pollution in a megacity of southwest China: Source apportionment and implication. Atmospheric Chemistry and Physics, 14, 8679−8699, https://doi.org/10.5194/acp-14-8679-2014. |
| Tong, L., and Coauthors, 2017: Characteristics of surface ozone and nitrogen oxides at urban, suburban and rural sites in Ningbo, China. Atmospheric Research, 187, 57−68, https://doi.org/10.1016/j.atmosres.2016.12.006. |
| Wang, H., and Coauthors, 2021b: A long-term estimation of biogenic volatile organic compound (BVOC) emission in China from 2001−2016: The roles of land cover change and climate variability. Atmospheric Chemistry and Physics, 21, 4825−4848, https://doi.org/10.5194/acp-21-4825-2021. |
| Wang, N., X. P. Lyu, X. J. Deng, X. Huang, F. Jiang, and A. J. Ding, 2019a: Aggravating O3 pollution due to NOx emission control in eastern China. Science of the Total Environment, 677, 732−744, https://doi.org/10.1016/j.scitotenv.2019.04.388. |
| Wang, S., J. N. Ding, R. B. Wang, S. Y. Xie, and X. Zhang, 2012: Study on the settings of ambient air quality monitoring sites in China. Environment and Sustainable Development, 37, 21−25, https://doi.org/10.3969/j.issn.1673-288X.2012.04.005. (in Chinese with English abstract |
| Wang, S. J., C. S. Zhou, Z. B. Wang, K. S. Feng, and K. Hubacek, 2017b: The characteristics and drivers of fine particulate matter (PM2.5) distribution in China. Journal of Cleaner Production, 142, 1800−1809, https://doi.org/10.1016/j.jclepro.2016.11.104. |
| Wang, T., L. K. Xue, P. Brimblecombe, Y. F. Lam, L. Li, and L. Zhang, 2017a: Ozone pollution in China: A review of concentrations, meteorological influences, chemical precursors, and effects. Science of the Total Environment, 575, 1582−1596, https://doi.org/10.1016/j.scitotenv.2016.10.081. |
| Wang, W. J., X. Li, M. Shao, M. Hu, L. M. Zeng, Y. S. Wu, and T. Y. Tan, 2019c: The impact of aerosols on photolysis frequencies and ozone production in Beijing during the 4-year period 2012−2015. Atmospheric Chemistry and Physics, 19, 9413−9429, https://doi.org/10.5194/acp-19-9413-2019. |
| Wang, W. J., and Coauthors, 2020: Exploring the drivers of the increased ozone production in Beijing in summertime during 2005-2016. Atmospheric Chemistry and Physics, 20, 15 617−15 633, |
| Wang, W. N., R. van der A, J. Y. Ding, M. van Weele, and T. H. Cheng, 2021a: Spatial and temporal changes of the ozone sensitivity in China based on satellite and ground-based observations. Atmospheric Chemistry and Physics, 21, 7253−7269, https://doi.org/10.5194/acp-21-7253-2021. |
| Wang, Y. Z., X. J. Duan, and L. Wang, 2019b: Spatial-temporal evolution of PM2.5 concentration and its socioeconomic influence factors in Chinese cities in 2014−2017. International Journal of Environmental Research and Public Health, 16, 985, https://doi.org/10.3390/ijerph16060985. |
| Wu, H. J., X. Tang, Z. F. Wang, L. Wu, M. M. Lu, L. F. Wei, and J. Zhu, 2018: Probabilistic automatic outlier detection for surface air quality measurements from the China National Environmental Monitoring Network. Adv. Atmos. Sci., 35, 1522−1532, https://doi.org/10.1007/s00376-018-8067-9. |
| Xie, M., T. J. Wang, F. Jiang, and X. Q. Yang, 2007: Modeling of natural NOx and VOC emissions and their effects on tropospheric photochemistry in China. Environmental Science, 28, 32−40, https://doi.org/10.3321/j.issn:0250-3301.2007.01.006. (in Chinese with English abstract |
| Yang, W. X., G. H. Yuan, and J. T. Han, 2019: Is China's air pollution control policy effective? Evidence from Yangtze River Delta cities Journal of Cleaner Production, 220, 110−133, https://doi.org/10.1016/j.jclepro.2019.01.287. |
| Yuan, G. H., and W. X. Yang, 2019: Evaluating China's air pollution control policy with extended AQI indicator system: Example of the Beijing-Tianjin-Hebei Region. Sustainability, 11, 939, https://doi.org/10.3390/su11030939. |
| Zeng, P., and Coauthors, 2018: Causes of ozone pollution in summer in Wuhan, Central China. Environmental Pollution, 241, 852−861, https://doi.org/10.1016/j.envpol.2018.05.042. |
| Zhai, S. X., and Coauthors, 2019: Fine particulate matter (PM2.5) trends in China, 2013-2018: Separating contributions from anthropogenic emissions and meteorology. Atmospheric Chemistry and Physics, 19, 11 031−11 041, |
| Zhang, G., Y. J. Mu, J. F. Liu, C. L. Zhang, Y. Y. Zhang, Y. J. Zhang, and H. X. Zhang, 2014: Seasonal and diurnal variations of atmospheric peroxyacetyl nitrate, peroxypropionyl nitrate, and carbon tetrachloride in Beijing. Journal of Environmental Sciences, 26, 65−74, https://doi.org/10.1016/S1001-0742(13)60382-4. |
| Zhang, Q., and Coauthors, 2019: Drivers of improved PM2.5 air quality in China from 2013 to 2017. Proceedings of the National Academy of Sciences of the United States of America, 116, 24 463−24 469, |
| Zhang, Z. H., G. X. Zhang, S. F. Song, and B. Su, 2020: Spatial heterogeneity influences of environmental control and informal regulation on air pollutant emissions in China. International Journal of Environmental Research and Public Health, 17, 4857, https://doi.org/10.3390/ijerph17134857. |
| Zhao, S. P., Y. Yu, D. Y. Yin, D. H. Qin, J. J. He, and L. X. Dong, 2018: Spatial patterns and temporal variations of six criteria air pollutants during 2015 to 2017 in the city clusters of Sichuan Basin, China. Science of the Total Environment, 624, 540−557, https://doi.org/10.1016/j.scitotenv.2017.12.172. |
| Zheng, B., and Coauthor, 2018: Trends in China’s anthropogenic emissions since 2010 as the consequence of clean air actions. Atmospheric Chemistry and Physics, 18, 14 095−14 111, |
| Zhong, L.-J., J. Y. Zheng, G. Q. Lei, J. Chen, and W. W. Che, 2007: Analysis of current status and trends of air quality monitoring networks. Environmental Monitoring in China, 23, 113−118, https://doi.org/10.3969/j.issn.1002-6002.2007.02.029. (in Chinese with English abstract |