Air Quality
Excellent
No health implications.
10
PM2.5
26
PM10
56
O3
0.5
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
94
Good
Mon
16 Feb
97
Good
Tue
17 Feb
183
Moderate
Wed
18 Feb
131
Light
Thu
19 Feb
93
Good
Fri
20 Feb
88
Good
Sat
21 Feb
49
Excellent
Air quality in the last 12 months (Huixian)
|
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
|
|
|
2025/08
|
40
|
44
|
44
|
49
|
48
|
35
|
43
|
38
|
34
|
40
|
46
|
37
|
39
|
45
|
43
|
32
|
34
|
37
|
42
|
42
|
32
|
43
|
40
|
37
|
49
|
41
|
50
|
32
|
39
|
44
|
39
|
|
2025/07
|
21
|
28
|
31
|
38
|
32
|
33
|
41
|
45
|
48
|
59
|
62
|
55
|
49
|
49
|
48
|
48
|
38
|
46
|
50
|
51
|
38
|
44
|
22
|
22
|
34
|
37
|
42
|
39
|
42
|
40
|
41
|
|
2025/06
|
55
|
70
|
56
|
72
|
74
|
72
|
89
|
82
|
68
|
55
|
60
|
51
|
53
|
54
|
54
|
33
|
46
|
37
|
31
|
45
|
47
|
52
|
49
|
50
|
62
|
37
|
46
|
34
|
44
|
34
|
|
|
2025/05
|
66
|
87
|
51
|
51
|
130
|
131
|
98
|
85
|
61
|
39
|
53
|
55
|
68
|
72
|
43
|
66
|
127
|
75
|
88
|
71
|
83
|
62
|
78
|
59
|
64
|
62
|
63
|
66
|
65
|
64
|
58
|
|
2025/04
|
76
|
52
|
63
|
91
|
73
|
85
|
99
|
82
|
84
|
93
|
101
|
224
|
91
|
54
|
70
|
108
|
152
|
103
|
64
|
68
|
61
|
67
|
84
|
71
|
76
|
76
|
86
|
60
|
62
|
83
|
|
|
2025/03
|
112
|
66
|
42
|
47
|
91
|
92
|
86
|
83
|
92
|
93
|
98
|
130
|
127
|
66
|
79
|
44
|
52
|
59
|
69
|
54
|
55
|
64
|
94
|
236
|
284
|
142
|
109
|
160
|
67
|
64
|
66
|
|
2025/02
|
103
|
154
|
125
|
69
|
51
|
67
|
101
|
66
|
75
|
92
|
111
|
93
|
57
|
74
|
75
|
74
|
73
|
74
|
57
|
62
|
87
|
91
|
63
|
81
|
85
|
83
|
105
|
141
|
|||
|
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