Table 5.

Evaluation results based on Ambient Air Quality Standards (GB 3095-2012).

Date	d1	d2	Rank	Date	d1	d2	Rank
02–01	0.2949	0.2357	II	02–15	0.7511	0.6146	II
02–02	0.3725	0.3740	I	02–16	0.4535	0.3520	II
02–03	0.4313	0.4695	I	02–17	0.1865	0.2107	I
02–04	0.3616	0.3981	I	02–18	0.2890	0.2945	I
02–05	0.2374	0.2242	II	02–19	0.2993	0.3118	I
02–06	0.2222	0.1624	II	02–20	0.3565	0.2860	II
02–07	0.3072	0.3195	I	02–21	0.4715	0.3435	II
02–08	0.3477	0.3726	I	02–22	0.4801	0.3460	II
02–09	0.3840	0.4328	I	02–23	0.3987	0.2759	II
02–10	0.3361	0.3816	I	02–24	0.5262	0.3954	II
02–11	0.2277	0.1964	II	02–25	0.6732	0.5408	II
02–12	0.2538	0.2209	II	02–26	0.5080	0.3948	II
02–13	0.3108	0.2103	II	02–27	0.3953	0.4385	I
02–14	0.4941	0.3665	II	02–28	0.3173	0.3098	II