Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
41
PM2.5
83
*
PM10
92
O3
0.7
CO
7
SO2
21
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Nov
65
Good
Fri
8 Nov
72
Good
Sat
9 Nov
83
Good
Sun
10 Nov
75
Good
Mon
11 Nov
70
Good
Tue
12 Nov
66
Good
Wed
13 Nov
66
Good
Air quality in the last 12 months (Yanchang)
|
2024/10
|
68
|
48
|
44
|
57
|
60
|
65
|
52
|
52
|
63
|
50
|
58
|
60
|
57
|
64
|
62
|
88
|
66
|
31
|
32
|
26
|
29
|
33
|
48
|
56
|
65
|
56
|
57
|
56
|
63
|
57
|
51
|
|
2024/09
|
40
|
51
|
38
|
41
|
32
|
46
|
25
|
46
|
59
|
39
|
38
|
40
|
44
|
29
|
49
|
41
|
40
|
43
|
40
|
25
|
25
|
45
|
54
|
59
|
61
|
63
|
81
|
62
|
30
|
30
|
|
|
2024/08
|
38
|
48
|
32
|
33
|
32
|
32
|
20
|
34
|
44
|
95
|
38
|
37
|
42
|
42
|
37
|
38
|
41
|
26
|
31
|
32
|
34
|
45
|
50
|
51
|
48
|
16
|
31
|
38
|
45
|
45
|
48
|
|
2024/07
|
36
|
42
|
36
|
31
|
36
|
42
|
48
|
44
|
40
|
43
|
45
|
44
|
50
|
58
|
42
|
23
|
30
|
28
|
38
|
22
|
40
|
51
|
36
|
21
|
49
|
48
|
50
|
53
|
45
|
26
|
37
|
|
2024/06
|
60
|
42
|
43
|
43
|
32
|
52
|
40
|
45
|
49
|
48
|
58
|
58
|
62
|
58
|
56
|
52
|
42
|
42
|
43
|
48
|
41
|
62
|
71
|
89
|
87
|
88
|
66
|
67
|
59
|
45
|
|
|
2024/05
|
45
|
47
|
55
|
36
|
43
|
49
|
51
|
56
|
62
|
67
|
131
|
60
|
55
|
63
|
76
|
59
|
84
|
79
|
61
|
64
|
63
|
63
|
55
|
66
|
54
|
55
|
52
|
50
|
48
|
61
|
60
|
|
2024/04
|
78
|
56
|
52
|
67
|
76
|
68
|
71
|
66
|
62
|
56
|
54
|
57
|
53
|
62
|
88
|
60
|
74
|
75
|
67
|
70
|
71
|
121
|
136
|
88
|
72
|
71
|
68
|
63
|
54
|
41
|
|
|
2024/03
|
54
|
65
|
66
|
77
|
81
|
61
|
92
|
59
|
76
|
79
|
73
|
58
|
76
|
69
|
74
|
139
|
82
|
173
|
95
|
77
|
84
|
135
|
124
|
35
|
50
|
59
|
83
|
90
|
91
|
67
|
73
|
|
2024/02
|
125
|
119
|
111
|
105
|
108
|
104
|
95
|
106
|
135
|
178
|
72
|
73
|
77
|
137
|
71
|
63
|
64
|
374
|
266
|
50
|
54
|
71
|
58
|
89
|
106
|
104
|
91
|
94
|
64
|
||
|
2024/01
|
77
|
75
|
73
|
69
|
68
|
61
|
60
|
84
|
83
|
73
|
84
|
87
|
93
|
84
|
63
|
86
|
91
|
86
|
89
|
71
|
26
|
34
|
52
|
53
|
60
|
72
|
72
|
72
|
78
|
92
|
111
|
|
2023/12
|
56
|
70
|
81
|
85
|
122
|
155
|
101
|
91
|
84
|
85
|
53
|
75
|
63
|
54
|
53
|
50
|
48
|
69
|
69
|
51
|
38
|
56
|
67
|
67
|
75
|
87
|
105
|
128
|
165
|
117
|
68
|
|
2023/11
|
69
|
91
|
82
|
65
|
50
|
52
|
63
|
72
|
66
|
49
|
52
|
44
|
60
|
66
|
80
|
101
|
63
|
66
|
76
|
76
|
94
|
106
|
55
|
58
|
71
|
85
|
85
|
72
|
47
|
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