Air Quality
Excellent
No health implications.
19
PM2.5
35
PM10
90
O3
0.7
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Aug
54
Good
Sun
2 Aug
58
Good
Mon
3 Aug
46
Excellent
Tue
4 Aug
46
Excellent
Wed
5 Aug
54
Good
Thu
6 Aug
55
Good
Fri
7 Aug
18
Excellent
Air quality in the last 12 months (Yanchang)
|
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
|
|
|
2025/08
|
43
|
49
|
53
|
39
|
36
|
45
|
45
|
42
|
29
|
32
|
40
|
42
|
42
|
50
|
40
|
22
|
41
|
41
|
40
|
26
|
40
|
41
|
20
|
32
|
42
|
39
|
23
|
24
|
26
|
32
|
36
|
|
2025/07
|
28
|
30
|
26
|
32
|
26
|
35
|
31
|
38
|
45
|
48
|
51
|
56
|
55
|
46
|
51
|
46
|
44
|
52
|
46
|
27
|
34
|
50
|
34
|
32
|
31
|
26
|
29
|
46
|
43
|
40
|
46
|
|
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