Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
32
PM2.5
68
*
PM10
1
O3
0.9
CO
4
SO2
39
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Sep
64
Good
Wed
1 Oct
49
Excellent
Thu
2 Oct
58
Good
Fri
3 Oct
61
Good
Sat
4 Oct
53
Good
Sun
5 Oct
34
Excellent
Mon
6 Oct
44
Excellent
Air quality in the last 12 months (Yanchang)
|
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
|
|
2025/06
|
44
|
40
|
37
|
41
|
49
|
52
|
53
|
42
|
58
|
55
|
56
|
55
|
57
|
41
|
46
|
47
|
45
|
45
|
29
|
35
|
35
|
42
|
44
|
49
|
49
|
35
|
36
|
28
|
44
|
28
|
|
|
2025/05
|
72
|
102
|
44
|
98
|
269
|
226
|
137
|
112
|
60
|
49
|
51
|
61
|
66
|
68
|
63
|
133
|
162
|
80
|
72
|
64
|
70
|
183
|
59
|
59
|
50
|
37
|
43
|
54
|
58
|
55
|
33
|
|
2025/04
|
65
|
64
|
88
|
109
|
66
|
87
|
103
|
114
|
101
|
60
|
178
|
152
|
126
|
51
|
53
|
123
|
122
|
87
|
72
|
76
|
188
|
158
|
86
|
51
|
63
|
60
|
50
|
46
|
66
|
129
|
|
|
2025/03
|
85
|
78
|
34
|
43
|
56
|
62
|
70
|
78
|
71
|
73
|
232
|
203
|
88
|
69
|
46
|
35
|
48
|
45
|
46
|
47
|
61
|
72
|
135
|
338
|
310
|
318
|
207
|
172
|
51
|
53
|
60
|
|
2025/02
|
88
|
69
|
37
|
58
|
37
|
112
|
48
|
37
|
54
|
68
|
71
|
72
|
69
|
73
|
72
|
75
|
73
|
76
|
69
|
67
|
77
|
57
|
48
|
53
|
66
|
71
|
69
|
68
|
|||
|
2025/01
|
77
|
65
|
68
|
81
|
103
|
56
|
53
|
51
|
54
|
62
|
71
|
68
|
95
|
53
|
47
|
57
|
69
|
78
|
75
|
78
|
78
|
91
|
122
|
141
|
69
|
69
|
37
|
73
|
145
|
85
|
87
|
|
2024/12
|
64
|
62
|
62
|
59
|
53
|
56
|
48
|
53
|
69
|
67
|
62
|
67
|
61
|
56
|
61
|
66
|
71
|
59
|
75
|
70
|
46
|
63
|
77
|
97
|
92
|
60
|
51
|
60
|
68
|
81
|
78
|
|
2024/11
|
56
|
48
|
55
|
52
|
56
|
61
|
79
|
86
|
96
|
94
|
93
|
77
|
51
|
46
|
71
|
67
|
53
|
55
|
44
|
58
|
64
|
78
|
106
|
89
|
54
|
55
|
72
|
48
|
51
|
60
|
|
|
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
|
|
|
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