Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
34
PM2.5
115
*
PM10
84
O3
0.4
CO
8
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 Mar
106
Light
Wed
4 Mar
92
Good
Thu
5 Mar
79
Good
Fri
6 Mar
80
Good
Sat
7 Mar
76
Good
Sun
8 Mar
79
Good
Mon
9 Mar
43
Excellent
Helan Air quality rank
Air quality in the last 12 months (Helan)
|
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
|
|
2025/02
|
94
|
26
|
26
|
29
|
30
|
78
|
45
|
39
|
68
|
85
|
76
|
58
|
82
|
61
|
55
|
66
|
63
|
57
|
35
|
54
|
68
|
31
|
31
|
55
|
74
|
75
|
68
|
70
|
|||
|
1
|
2
|
3
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4
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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