Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
54
*
PM10
82
O3
0.6
CO
5
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Apr
76
Good
Sat
25 Apr
83
Good
Sun
26 Apr
75
Good
Mon
27 Apr
87
Good
Tue
28 Apr
83
Good
Wed
29 Apr
78
Good
Thu
30 Apr
40
Excellent
Air quality in the last 12 months (Hejin)
|
2026/03
|
26
|
51
|
93
|
73
|
62
|
43
|
49
|
73
|
96
|
124
|
92
|
94
|
148
|
73
|
52
|
76
|
76
|
71
|
73
|
86
|
83
|
106
|
84
|
67
|
84
|
82
|
72
|
72
|
58
|
55
|
48
|
|
2026/02
|
126
|
96
|
78
|
117
|
146
|
83
|
41
|
51
|
67
|
101
|
91
|
102
|
113
|
112
|
75
|
69
|
210
|
115
|
79
|
71
|
140
|
409
|
99
|
60
|
66
|
75
|
43
|
29
|
|||
|
2026/01
|
90
|
115
|
155
|
137
|
81
|
41
|
58
|
68
|
70
|
77
|
60
|
79
|
100
|
119
|
127
|
99
|
93
|
96
|
48
|
34
|
51
|
71
|
110
|
110
|
112
|
142
|
132
|
135
|
111
|
140
|
148
|
|
2025/12
|
88
|
62
|
53
|
81
|
91
|
117
|
115
|
87
|
104
|
126
|
119
|
58
|
94
|
124
|
112
|
132
|
110
|
90
|
101
|
56
|
65
|
79
|
105
|
98
|
57
|
69
|
86
|
112
|
112
|
90
|
70
|
|
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
|
|
|
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