Air Quality
Excellent
No health implications.
13
PM2.5
27
PM10
9
O3
0.4
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Oct
57
Good
Wed
14 Oct
63
Good
Thu
15 Oct
75
Good
Fri
16 Oct
68
Good
Sat
17 Oct
55
Good
Sun
18 Oct
44
Excellent
Mon
19 Oct
46
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