Air Quality
Excellent
No health implications.
19
PM2.5
28
PM10
52
O3
0.6
CO
6
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Sep
65
Good
Sun
13 Sep
72
Good
Mon
14 Sep
74
Good
Tue
15 Sep
72
Good
Wed
16 Sep
65
Good
Thu
17 Sep
28
Excellent
Fri
18 Sep
47
Excellent
Air quality in the last 12 months (Yanchang)
|
2026/08
|
31
|
30
|
25
|
31
|
35
|
38
|
38
|
43
|
46
|
53
|
48
|
33
|
37
|
40
|
48
|
35
|
46
|
38
|
46
|
52
|
53
|
46
|
49
|
54
|
54
|
42
|
25
|
26
|
48
|
45
|
39
|
|
2026/07
|
41
|
39
|
45
|
41
|
44
|
46
|
45
|
50
|
55
|
51
|
24
|
33
|
47
|
54
|
32
|
40
|
33
|
47
|
54
|
41
|
49
|
40
|
48
|
41
|
50
|
47
|
29
|
37
|
32
|
37
|
27
|
|
2026/06
|
65
|
59
|
61
|
49
|
44
|
40
|
38
|
39
|
36
|
35
|
45
|
52
|
39
|
44
|
51
|
54
|
53
|
46
|
37
|
29
|
37
|
36
|
36
|
48
|
39
|
48
|
49
|
48
|
46
|
39
|
|
|
2026/05
|
56
|
32
|
45
|
48
|
51
|
58
|
48
|
46
|
52
|
67
|
69
|
70
|
63
|
43
|
79
|
46
|
30
|
39
|
47
|
50
|
52
|
35
|
48
|
49
|
31
|
43
|
62
|
46
|
47
|
45
|
63
|
|
2026/04
|
54
|
63
|
135
|
71
|
87
|
70
|
68
|
64
|
69
|
60
|
57
|
54
|
48
|
59
|
58
|
40
|
48
|
63
|
187
|
108
|
63
|
48
|
53
|
66
|
63
|
66
|
163
|
63
|
53
|
55
|
|
|
2026/03
|
30
|
32
|
57
|
73
|
66
|
39
|
46
|
67
|
65
|
78
|
56
|
74
|
180
|
71
|
56
|
65
|
68
|
79
|
72
|
79
|
83
|
97
|
79
|
67
|
72
|
72
|
64
|
67
|
57
|
61
|
45
|
|
2026/02
|
73
|
56
|
68
|
77
|
82
|
71
|
33
|
43
|
72
|
95
|
85
|
85
|
77
|
78
|
55
|
70
|
124
|
61
|
60
|
74
|
193
|
451
|
135
|
77
|
80
|
93
|
63
|
28
|
|||
|
2026/01
|
80
|
68
|
77
|
87
|
60
|
44
|
60
|
62
|
74
|
75
|
60
|
73
|
76
|
98
|
101
|
74
|
86
|
72
|
35
|
36
|
62
|
68
|
75
|
79
|
160
|
157
|
106
|
114
|
115
|
110
|
96
|
|
2025/12
|
85
|
47
|
56
|
66
|
74
|
78
|
81
|
76
|
85
|
91
|
81
|
68
|
104
|
93
|
84
|
84
|
74
|
74
|
73
|
62
|
68
|
73
|
100
|
78
|
53
|
63
|
69
|
75
|
70
|
64
|
62
|
|
2025/11
|
58
|
60
|
69
|
71
|
87
|
75
|
43
|
56
|
97
|
91
|
79
|
66
|
58
|
68
|
74
|
61
|
20
|
31
|
55
|
63
|
65
|
74
|
85
|
121
|
73
|
224
|
217
|
97
|
90
|
95
|
|
|
2025/10
|
52
|
33
|
42
|
35
|
29
|
25
|
26
|
28
|
13
|
12
|
23
|
27
|
37
|
42
|
29
|
39
|
34
|
36
|
45
|
42
|
39
|
43
|
58
|
62
|
41
|
48
|
53
|
59
|
62
|
62
|
57
|
|
2025/09
|
41
|
47
|
17
|
18
|
53
|
46
|
60
|
58
|
55
|
51
|
37
|
23
|
40
|
51
|
57
|
35
|
28
|
22
|
20
|
38
|
25
|
19
|
28
|
35
|
41
|
49
|
32
|
43
|
46
|
54
|
|
|
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