Air Quality
Excellent
No health implications.
27
PM2.5
39
PM10
36
O3
0.5
CO
13
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Sep
57
Good
Tue
2 Sep
51
Good
Wed
3 Sep
49
Excellent
Thu
4 Sep
52
Good
Fri
5 Sep
58
Good
Sat
6 Sep
52
Good
Sun
7 Sep
44
Excellent
Air quality in the last 12 months (Ziyuan)
|
2025/06
|
27
|
18
|
35
|
46
|
46
|
41
|
30
|
28
|
34
|
32
|
36
|
27
|
29
|
20
|
23
|
26
|
14
|
13
|
20
|
21
|
20
|
17
|
20
|
18
|
25
|
27
|
21
|
17
|
17
|
15
|
|
|
2025/05
|
51
|
62
|
60
|
44
|
40
|
42
|
52
|
46
|
27
|
47
|
36
|
41
|
52
|
66
|
62
|
25
|
29
|
22
|
26
|
23
|
24
|
29
|
29
|
50
|
55
|
39
|
33
|
16
|
22
|
32
|
26
|
|
2025/04
|
52
|
57
|
66
|
130
|
122
|
86
|
104
|
116
|
102
|
64
|
58
|
155
|
254
|
134
|
90
|
84
|
81
|
79
|
51
|
32
|
44
|
33
|
52
|
35
|
32
|
40
|
31
|
36
|
57
|
56
|
|
|
2025/03
|
51
|
45
|
40
|
18
|
23
|
34
|
54
|
53
|
55
|
38
|
46
|
57
|
49
|
27
|
17
|
44
|
38
|
39
|
52
|
51
|
61
|
71
|
84
|
88
|
96
|
82
|
80
|
76
|
35
|
22
|
43
|
|
2025/02
|
15
|
13
|
45
|
62
|
56
|
61
|
42
|
71
|
44
|
57
|
75
|
71
|
74
|
91
|
56
|
37
|
39
|
45
|
29
|
17
|
63
|
23
|
36
|
80
|
71
|
64
|
39
|
53
|
|||
|
2025/01
|
94
|
99
|
108
|
131
|
149
|
94
|
82
|
90
|
50
|
55
|
57
|
64
|
63
|
64
|
76
|
63
|
66
|
76
|
79
|
81
|
91
|
105
|
121
|
193
|
61
|
23
|
49
|
74
|
170
|
97
|
46
|
|
2024/12
|
60
|
69
|
82
|
113
|
57
|
29
|
36
|
55
|
99
|
40
|
27
|
59
|
61
|
56
|
48
|
49
|
64
|
66
|
84
|
98
|
96
|
94
|
92
|
98
|
100
|
99
|
81
|
110
|
103
|
110
|
92
|
|
2024/11
|
51
|
80
|
77
|
75
|
82
|
72
|
59
|
51
|
61
|
73
|
68
|
69
|
69
|
78
|
73
|
66
|
30
|
17
|
19
|
24
|
35
|
43
|
52
|
58
|
41
|
21
|
35
|
41
|
41
|
56
|
|
|
2024/10
|
31
|
47
|
61
|
56
|
53
|
61
|
63
|
52
|
49
|
52
|
63
|
66
|
88
|
84
|
39
|
33
|
44
|
34
|
16
|
21
|
26
|
21
|
30
|
40
|
45
|
52
|
39
|
49
|
62
|
56
|
52
|
|
2024/09
|
34
|
34
|
40
|
41
|
52
|
43
|
29
|
27
|
32
|
36
|
38
|
40
|
38
|
37
|
39
|
36
|
41
|
43
|
43
|
41
|
29
|
32
|
40
|
46
|
61
|
59
|
51
|
58
|
53
|
53
|
|
|
2024/08
|
16
|
22
|
24
|
30
|
29
|
29
|
32
|
27
|
29
|
28
|
25
|
28
|
29
|
38
|
41
|
36
|
36
|
37
|
42
|
33
|
30
|
20
|
22
|
22
|
30
|
34
|
38
|
32
|
37
|
40
|
42
|
|
2024/07
|
20
|
13
|
25
|
22
|
20
|
20
|
23
|
21
|
24
|
27
|
26
|
25
|
28
|
21
|
26
|
24
|
19
|
18
|
15
|
22
|
26
|
25
|
23
|
29
|
36
|
36
|
38
|
15
|
15
|
18
|
17
|
|
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