Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
83
*
PM2.5
103
PM10
10
O3
1.2
CO
6
SO2
45
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
22 Dec
123
Light
Tue
23 Dec
101
Light
Wed
24 Dec
84
Good
Thu
25 Dec
105
Light
Fri
26 Dec
112
Light
Sat
27 Dec
126
Light
Sun
28 Dec
26
Excellent
Air quality in the last 12 months (Hejin)
|
2025/11
|
76
|
80
|
71
|
80
|
78
|
66
|
47
|
47
|
83
|
88
|
92
|
85
|
61
|
85
|
100
|
78
|
23
|
29
|
60
|
72
|
80
|
96
|
101
|
123
|
93
|
162
|
235
|
137
|
126
|
110
|
|
|
2025/10
|
48
|
35
|
43
|
43
|
40
|
21
|
23
|
25
|
20
|
20
|
20
|
23
|
37
|
50
|
33
|
35
|
25
|
26
|
42
|
31
|
34
|
51
|
66
|
72
|
44
|
58
|
61
|
70
|
77
|
99
|
76
|
|
2025/09
|
44
|
39
|
19
|
15
|
32
|
53
|
64
|
57
|
43
|
42
|
26
|
26
|
42
|
52
|
47
|
39
|
25
|
20
|
24
|
49
|
25
|
23
|
29
|
41
|
46
|
38
|
38
|
52
|
51
|
62
|
|
|
2025/08
|
37
|
42
|
42
|
42
|
33
|
38
|
40
|
33
|
30
|
35
|
40
|
45
|
52
|
48
|
34
|
18
|
30
|
36
|
32
|
30
|
34
|
48
|
33
|
28
|
44
|
41
|
31
|
24
|
29
|
43
|
44
|
|
2025/07
|
33
|
27
|
29
|
37
|
22
|
37
|
28
|
39
|
43
|
42
|
50
|
52
|
48
|
43
|
47
|
52
|
46
|
46
|
43
|
34
|
39
|
45
|
25
|
23
|
28
|
33
|
35
|
35
|
41
|
39
|
37
|
|
2025/06
|
49
|
48
|
46
|
56
|
50
|
58
|
68
|
58
|
63
|
60
|
60
|
51
|
54
|
43
|
45
|
49
|
49
|
41
|
32
|
46
|
37
|
41
|
42
|
44
|
51
|
33
|
42
|
28
|
37
|
32
|
|
|
2025/05
|
76
|
88
|
50
|
70
|
206
|
269
|
138
|
96
|
64
|
48
|
52
|
58
|
66
|
64
|
62
|
73
|
181
|
90
|
83
|
71
|
74
|
88
|
50
|
45
|
48
|
46
|
51
|
59
|
60
|
56
|
55
|
|
2025/04
|
79
|
77
|
73
|
98
|
71
|
88
|
101
|
99
|
94
|
66
|
132
|
214
|
144
|
64
|
60
|
106
|
130
|
94
|
69
|
69
|
88
|
158
|
121
|
69
|
66
|
66
|
60
|
53
|
61
|
120
|
|
|
2025/03
|
84
|
74
|
36
|
47
|
76
|
81
|
73
|
83
|
70
|
79
|
113
|
193
|
104
|
73
|
44
|
39
|
48
|
44
|
50
|
51
|
60
|
76
|
111
|
234
|
175
|
243
|
218
|
169
|
83
|
63
|
65
|
|
2025/02
|
165
|
127
|
34
|
49
|
39
|
87
|
57
|
38
|
64
|
83
|
85
|
80
|
78
|
88
|
92
|
77
|
78
|
88
|
79
|
83
|
103
|
105
|
61
|
62
|
75
|
70
|
77
|
87
|
|||
|
2025/01
|
131
|
88
|
90
|
120
|
115
|
58
|
61
|
61
|
56
|
78
|
79
|
67
|
97
|
76
|
41
|
66
|
109
|
116
|
118
|
126
|
140
|
144
|
146
|
106
|
57
|
74
|
35
|
79
|
172
|
139
|
169
|
|
2024/12
|
81
|
73
|
64
|
78
|
64
|
72
|
55
|
59
|
80
|
96
|
95
|
113
|
68
|
60
|
74
|
91
|
107
|
78
|
71
|
88
|
46
|
76
|
109
|
136
|
145
|
98
|
61
|
62
|
90
|
101
|
91
|
|
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