Air Quality
Excellent
No health implications.
30
PM2.5
49
PM10
40
O3
0.6
CO
3
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
67
Good
Sun
15 Mar
66
Good
Mon
16 Mar
68
Good
Tue
17 Mar
69
Good
Wed
18 Mar
68
Good
Thu
19 Mar
67
Good
Fri
20 Mar
24
Excellent
Air quality in the last 12 months (Yanchang)
|
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
|
|
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
|
|
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