Air Quality
Excellent
No health implications.
35
PM2.5
50
PM10
21
O3
0.5
CO
7
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Dec
65
Good
Tue
16 Dec
85
Good
Wed
17 Dec
78
Good
Thu
18 Dec
86
Good
Fri
19 Dec
98
Good
Sat
20 Dec
19
Excellent
Sun
21 Dec
32
Excellent
Ziyuan Air quality rank
Air quality in the last 12 months (Ziyuan)
|
2025/11
|
42
|
32
|
17
|
15
|
28
|
34
|
39
|
11
|
7
|
10
|
25
|
50
|
38
|
45
|
49
|
55
|
60
|
25
|
30
|
37
|
39
|
46
|
57
|
61
|
52
|
50
|
68
|
69
|
54
|
62
|
|
|
2025/10
|
46
|
34
|
30
|
42
|
50
|
22
|
21
|
37
|
39
|
35
|
38
|
50
|
69
|
41
|
44
|
47
|
47
|
23
|
11
|
9
|
12
|
24
|
34
|
42
|
50
|
59
|
51
|
60
|
71
|
88
|
54
|
|
2025/09
|
33
|
31
|
27
|
27
|
35
|
37
|
45
|
41
|
17
|
20
|
23
|
19
|
26
|
32
|
32
|
31
|
21
|
38
|
49
|
27
|
25
|
20
|
24
|
13
|
12
|
17
|
27
|
36
|
44
|
56
|
|
|
2025/08
|
32
|
30
|
21
|
28
|
26
|
13
|
14
|
21
|
28
|
29
|
32
|
35
|
38
|
29
|
13
|
25
|
23
|
26
|
17
|
19
|
20
|
24
|
30
|
35
|
28
|
28
|
28
|
25
|
27
|
26
|
31
|
|
2025/07
|
17
|
17
|
22
|
30
|
31
|
43
|
37
|
33
|
36
|
30
|
25
|
35
|
28
|
30
|
21
|
25
|
27
|
34
|
30
|
26
|
15
|
13
|
15
|
24
|
27
|
33
|
33
|
26
|
30
|
30
|
26
|
|
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
|
|
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