Air Quality
Excellent
No health implications.
26
PM2.5
46
PM10
29
O3
0.4
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
100
Good
Tue
21 Apr
56
Good
Wed
22 Apr
65
Good
Thu
23 Apr
70
Good
Fri
24 Apr
78
Good
Sat
25 Apr
86
Good
Sun
26 Apr
32
Excellent
Air quality in the last 12 months (Qishan)
|
2026/03
|
23
|
35
|
93
|
96
|
87
|
67
|
34
|
51
|
43
|
89
|
114
|
120
|
226
|
67
|
53
|
63
|
50
|
92
|
92
|
91
|
91
|
99
|
96
|
87
|
83
|
75
|
62
|
46
|
52
|
34
|
51
|
|
2026/02
|
120
|
111
|
103
|
106
|
121
|
143
|
75
|
71
|
84
|
131
|
126
|
105
|
77
|
97
|
71
|
52
|
142
|
98
|
81
|
59
|
187
|
290
|
173
|
72
|
68
|
81
|
66
|
55
|
|||
|
2026/01
|
82
|
117
|
131
|
82
|
62
|
67
|
59
|
69
|
66
|
68
|
80
|
78
|
77
|
93
|
92
|
89
|
109
|
144
|
59
|
44
|
76
|
93
|
130
|
173
|
205
|
176
|
156
|
173
|
156
|
95
|
114
|
|
2025/12
|
88
|
80
|
79
|
93
|
109
|
120
|
64
|
79
|
106
|
114
|
96
|
88
|
94
|
86
|
114
|
105
|
92
|
118
|
111
|
54
|
69
|
109
|
101
|
89
|
64
|
85
|
107
|
132
|
128
|
175
|
106
|
|
2025/11
|
62
|
70
|
111
|
132
|
140
|
107
|
62
|
59
|
70
|
77
|
78
|
74
|
68
|
78
|
68
|
61
|
36
|
36
|
45
|
60
|
66
|
66
|
57
|
80
|
69
|
154
|
140
|
76
|
65
|
60
|
|
|
2025/10
|
30
|
27
|
40
|
21
|
28
|
17
|
13
|
27
|
13
|
11
|
13
|
15
|
32
|
57
|
27
|
37
|
16
|
36
|
40
|
25
|
42
|
55
|
70
|
76
|
76
|
43
|
65
|
64
|
76
|
66
|
60
|
|
2025/09
|
40
|
41
|
56
|
27
|
41
|
46
|
50
|
41
|
47
|
49
|
31
|
19
|
38
|
48
|
47
|
40
|
27
|
11
|
15
|
33
|
18
|
16
|
23
|
29
|
43
|
48
|
31
|
26
|
37
|
44
|
|
|
2025/08
|
41
|
42
|
44
|
41
|
29
|
38
|
41
|
31
|
20
|
25
|
33
|
37
|
38
|
51
|
37
|
30
|
25
|
27
|
22
|
41
|
49
|
36
|
17
|
24
|
40
|
49
|
23
|
15
|
15
|
23
|
29
|
|
2025/07
|
31
|
33
|
19
|
21
|
17
|
12
|
16
|
31
|
35
|
44
|
36
|
41
|
46
|
40
|
34
|
41
|
43
|
35
|
39
|
26
|
26
|
54
|
34
|
25
|
21
|
24
|
26
|
35
|
35
|
36
|
40
|
|
2025/06
|
46
|
45
|
46
|
42
|
36
|
50
|
35
|
39
|
49
|
43
|
55
|
45
|
47
|
52
|
72
|
54
|
54
|
49
|
43
|
43
|
34
|
36
|
31
|
39
|
30
|
30
|
32
|
30
|
36
|
21
|
|
|
2025/05
|
95
|
65
|
92
|
70
|
115
|
343
|
154
|
82
|
89
|
54
|
52
|
59
|
45
|
74
|
69
|
68
|
215
|
124
|
69
|
65
|
64
|
87
|
49
|
50
|
39
|
40
|
51
|
48
|
42
|
52
|
40
|
|
2025/04
|
86
|
87
|
88
|
112
|
97
|
84
|
70
|
88
|
106
|
90
|
149
|
385
|
137
|
70
|
56
|
147
|
96
|
162
|
118
|
76
|
76
|
123
|
84
|
61
|
73
|
58
|
43
|
45
|
60
|
114
|
|
|
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