Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
90
PM2.5
281
*
PM10
87
O3
0.4
CO
6
SO2
9
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
27 Mar
87
Good
Sat
28 Mar
80
Good
Sun
29 Mar
76
Good
Mon
30 Mar
80
Good
Tue
31 Mar
100
Good
Wed
1 Apr
84
Good
Thu
2 Apr
39
Excellent
Helan Air quality rank
Air quality in the last 12 months (Helan)
|
2026/02
|
87
|
66
|
80
|
74
|
59
|
51
|
39
|
60
|
86
|
75
|
81
|
88
|
85
|
95
|
32
|
34
|
72
|
52
|
52
|
143
|
280
|
328
|
130
|
103
|
104
|
56
|
76
|
89
|
|||
|
2026/01
|
73
|
99
|
72
|
78
|
44
|
42
|
55
|
57
|
94
|
37
|
44
|
115
|
66
|
194
|
80
|
74
|
96
|
83
|
24
|
41
|
57
|
78
|
100
|
79
|
252
|
125
|
119
|
104
|
73
|
97
|
120
|
|
2025/12
|
52
|
38
|
60
|
80
|
61
|
39
|
41
|
63
|
124
|
100
|
60
|
61
|
178
|
92
|
137
|
126
|
79
|
101
|
72
|
51
|
49
|
71
|
96
|
80
|
53
|
69
|
59
|
66
|
56
|
38
|
29
|
|
2025/11
|
57
|
56
|
79
|
80
|
51
|
59
|
46
|
79
|
88
|
75
|
69
|
59
|
60
|
61
|
95
|
51
|
20
|
38
|
53
|
66
|
77
|
73
|
97
|
91
|
66
|
168
|
79
|
90
|
99
|
60
|
|
|
2025/10
|
49
|
27
|
31
|
80
|
50
|
43
|
51
|
30
|
37
|
41
|
42
|
54
|
43
|
44
|
57
|
45
|
45
|
44
|
31
|
44
|
62
|
53
|
64
|
54
|
60
|
36
|
66
|
68
|
74
|
60
|
51
|
|
2025/09
|
37
|
86
|
60
|
37
|
71
|
69
|
57
|
56
|
50
|
38
|
30
|
41
|
55
|
67
|
58
|
30
|
21
|
28
|
32
|
26
|
22
|
34
|
27
|
47
|
41
|
46
|
53
|
44
|
55
|
53
|
|
|
2025/08
|
39
|
48
|
38
|
31
|
30
|
43
|
35
|
18
|
32
|
38
|
49
|
45
|
46
|
30
|
36
|
34
|
30
|
27
|
37
|
28
|
19
|
38
|
23
|
22
|
27
|
27
|
21
|
30
|
25
|
26
|
38
|
|
2025/07
|
27
|
17
|
40
|
93
|
22
|
24
|
26
|
44
|
27
|
44
|
26
|
34
|
33
|
47
|
55
|
18
|
23
|
28
|
34
|
19
|
21
|
23
|
28
|
15
|
24
|
42
|
32
|
24
|
23
|
20
|
19
|
|
2025/06
|
45
|
41
|
21
|
23
|
24
|
34
|
48
|
27
|
48
|
30
|
45
|
62
|
38
|
32
|
40
|
40
|
38
|
54
|
19
|
23
|
33
|
51
|
31
|
28
|
26
|
19
|
24
|
36
|
42
|
30
|
|
|
2025/05
|
77
|
107
|
34
|
79
|
267
|
122
|
99
|
70
|
39
|
33
|
38
|
58
|
78
|
88
|
44
|
112
|
104
|
60
|
52
|
62
|
106
|
101
|
30
|
50
|
42
|
41
|
44
|
59
|
55
|
99
|
47
|
|
2025/04
|
33
|
52
|
134
|
64
|
45
|
114
|
83
|
104
|
49
|
66
|
298
|
109
|
68
|
46
|
127
|
124
|
91
|
59
|
91
|
119
|
137
|
84
|
63
|
44
|
58
|
72
|
51
|
47
|
88
|
167
|
|
|
2025/03
|
87
|
51
|
53
|
77
|
61
|
47
|
84
|
91
|
331
|
153
|
196
|
74
|
88
|
68
|
37
|
29
|
41
|
32
|
38
|
47
|
56
|
80
|
277
|
352
|
412
|
280
|
120
|
72
|
40
|
45
|
37
|
|
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