Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
33
PM2.5
71
*
PM10
30
O3
0.8
CO
8
SO2
47
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Jun
127
Light
Sun
8 Jun
116
Light
Mon
9 Jun
101
Light
Tue
10 Jun
120
Light
Wed
11 Jun
130
Light
Thu
12 Jun
133
Light
Fri
13 Jun
70
Good
Air quality in the last 12 months (Hejin)
|
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
|
|
2024/11
|
90
|
84
|
88
|
68
|
69
|
72
|
84
|
83
|
76
|
111
|
115
|
124
|
63
|
54
|
73
|
67
|
46
|
49
|
49
|
67
|
80
|
102
|
105
|
105
|
47
|
46
|
71
|
55
|
51
|
65
|
|
|
2024/10
|
70
|
58
|
56
|
59
|
65
|
86
|
90
|
80
|
104
|
71
|
72
|
69
|
65
|
97
|
82
|
113
|
65
|
42
|
30
|
24
|
41
|
34
|
54
|
64
|
66
|
74
|
60
|
68
|
81
|
75
|
84
|
|
2024/09
|
53
|
46
|
40
|
45
|
37
|
39
|
39
|
48
|
46
|
51
|
43
|
35
|
48
|
40
|
46
|
37
|
41
|
52
|
37
|
38
|
27
|
48
|
52
|
72
|
100
|
77
|
81
|
61
|
38
|
21
|
|
|
2024/08
|
50
|
47
|
33
|
35
|
39
|
40
|
27
|
38
|
41
|
111
|
46
|
41
|
47
|
41
|
41
|
50
|
46
|
40
|
37
|
40
|
37
|
50
|
52
|
54
|
45
|
19
|
23
|
35
|
40
|
41
|
41
|
|
2024/07
|
33
|
48
|
45
|
44
|
33
|
41
|
43
|
33
|
40
|
50
|
55
|
50
|
57
|
58
|
46
|
40
|
37
|
27
|
37
|
23
|
34
|
40
|
44
|
43
|
65
|
56
|
48
|
54
|
35
|
21
|
42
|
|
2024/06
|
69
|
54
|
59
|
53
|
35
|
54
|
63
|
70
|
71
|
64
|
92
|
80
|
69
|
59
|
65
|
57
|
44
|
43
|
43
|
47
|
40
|
59
|
71
|
109
|
96
|
88
|
66
|
64
|
60
|
60
|
|
|
2024/05
|
45
|
47
|
48
|
47
|
58
|
46
|
61
|
61
|
65
|
55
|
145
|
73
|
73
|
68
|
82
|
60
|
79
|
76
|
54
|
62
|
63
|
64
|
60
|
69
|
76
|
64
|
58
|
55
|
50
|
59
|
83
|
|
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