Table 5 Numerical features of the evaluation cloud model. This table presents the numerical characteristics of the evaluation cloud model from 2014 to 2023. The evaluation cloud model is composed of three parameters: Ex, En, He. Each row in the table corresponds to a specific year, listing the three parameter values for that year, which reflect the average level, distribution breadth, and fuzziness of the air quality assessment for that year.
From: Air quality assessment in Beijing based on cloud model
Year | Evaluation Cloud Model | Year | Evaluation Cloud Model |
|---|---|---|---|
2014 | (175.03,58.66,19.77) | 2019 | (115.97,40.84,12.16) |
2015 | (162.97,60.46,19.67) | 2020 | (103.38,36,10.89) |
2016 | (153.58,54.94,18.76) | 2021 | (97.52,33.05,16.95) |
2017 | (142.31,51.09,28.15) | 2022 | (97.27,39.26,11.52) |
2018 | (132.92,47.48,18.89) | 2023 | (104.54,38.48,18.65) |
