Air Quality
Excellent
No health implications.
14
PM2.5
38
PM10
73
O3
0.5
CO
17
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Jun
88
Good
Thu
11 Jun
119
Light
Fri
12 Jun
80
Good
Sat
13 Jun
79
Good
Sun
14 Jun
93
Good
Mon
15 Jun
101
Light
Tue
16 Jun
25
Excellent
Air quality in the last 12 months (Helan)
|
2026/04
|
48
|
51
|
178
|
68
|
117
|
58
|
58
|
47
|
65
|
50
|
55
|
127
|
74
|
67
|
61
|
55
|
54
|
96
|
248
|
87
|
63
|
57
|
80
|
68
|
56
|
55
|
163
|
41
|
38
|
63
|
|
|
2026/03
|
66
|
70
|
99
|
80
|
58
|
37
|
56
|
64
|
49
|
65
|
48
|
235
|
435
|
60
|
89
|
84
|
77
|
67
|
61
|
113
|
111
|
69
|
50
|
66
|
71
|
68
|
63
|
37
|
52
|
48
|
54
|
|
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
|
|
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