Air Quality
Excellent
No health implications.
9
PM2.5
19
PM10
33
O3
0.9
CO
8
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
87
Good
Sun
18 Oct
82
Good
Mon
19 Oct
86
Good
Tue
20 Oct
85
Good
Wed
21 Oct
81
Good
Thu
22 Oct
81
Good
Fri
23 Oct
18
Excellent
Air quality in the last 12 months (Huixian)
|
2026/08
|
35
|
32
|
28
|
28
|
35
|
43
|
49
|
41
|
41
|
41
|
30
|
23
|
23
|
33
|
37
|
45
|
42
|
47
|
40
|
45
|
34
|
42
|
46
|
41
|
31
|
34
|
28
|
30
|
35
|
44
|
45
|
|
2026/07
|
52
|
68
|
46
|
54
|
57
|
35
|
33
|
46
|
41
|
33
|
35
|
41
|
41
|
55
|
36
|
44
|
33
|
47
|
51
|
53
|
49
|
41
|
39
|
34
|
35
|
38
|
27
|
25
|
18
|
21
|
27
|
|
2026/06
|
80
|
92
|
93
|
60
|
76
|
44
|
34
|
47
|
58
|
65
|
78
|
77
|
54
|
64
|
71
|
56
|
63
|
51
|
33
|
47
|
41
|
39
|
48
|
44
|
60
|
51
|
76
|
65
|
53
|
57
|
|
|
2026/05
|
60
|
39
|
45
|
47
|
63
|
57
|
54
|
57
|
56
|
61
|
63
|
66
|
71
|
67
|
57
|
55
|
44
|
29
|
38
|
39
|
40
|
43
|
58
|
57
|
26
|
28
|
47
|
58
|
51
|
63
|
62
|
|
2026/04
|
74
|
106
|
80
|
54
|
85
|
83
|
69
|
57
|
51
|
77
|
70
|
68
|
47
|
55
|
55
|
79
|
91
|
72
|
64
|
80
|
47
|
44
|
57
|
53
|
52
|
65
|
97
|
71
|
40
|
56
|
|
|
2026/03
|
55
|
92
|
155
|
119
|
89
|
82
|
68
|
119
|
108
|
155
|
126
|
143
|
161
|
102
|
50
|
73
|
136
|
82
|
75
|
115
|
98
|
78
|
111
|
102
|
92
|
81
|
129
|
126
|
52
|
75
|
81
|
|
2026/02
|
123
|
128
|
157
|
127
|
123
|
66
|
70
|
105
|
76
|
89
|
89
|
102
|
132
|
131
|
62
|
48
|
173
|
78
|
59
|
56
|
94
|
255
|
165
|
73
|
42
|
46
|
97
|
82
|
|||
|
2026/01
|
71
|
123
|
145
|
168
|
184
|
42
|
47
|
64
|
57
|
74
|
56
|
66
|
83
|
119
|
80
|
111
|
73
|
64
|
55
|
59
|
84
|
146
|
171
|
185
|
190
|
177
|
218
|
211
|
204
|
108
|
172
|
|
2025/12
|
126
|
62
|
50
|
62
|
93
|
105
|
86
|
72
|
130
|
193
|
133
|
42
|
55
|
66
|
72
|
133
|
142
|
184
|
213
|
134
|
76
|
62
|
99
|
100
|
73
|
90
|
138
|
154
|
118
|
128
|
40
|
|
2025/11
|
76
|
55
|
77
|
135
|
94
|
147
|
68
|
67
|
72
|
86
|
100
|
121
|
78
|
91
|
86
|
94
|
47
|
40
|
47
|
56
|
65
|
65
|
66
|
82
|
66
|
125
|
154
|
122
|
99
|
102
|
|
|
2025/10
|
51
|
26
|
49
|
50
|
35
|
20
|
44
|
37
|
17
|
16
|
32
|
23
|
41
|
54
|
55
|
56
|
23
|
30
|
47
|
38
|
46
|
56
|
77
|
96
|
75
|
109
|
105
|
150
|
102
|
174
|
188
|
|
2025/09
|
49
|
43
|
31
|
37
|
35
|
55
|
62
|
54
|
36
|
44
|
35
|
33
|
56
|
54
|
47
|
39
|
27
|
26
|
20
|
46
|
48
|
21
|
33
|
44
|
54
|
51
|
26
|
53
|
47
|
62
|
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution