Air Quality
Excellent
No health implications.
18
PM2.5
25
PM10
54
O3
0.8
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
100
Good
Tue
17 Feb
186
Moderate
Wed
18 Feb
104
Light
Thu
19 Feb
69
Good
Fri
20 Feb
74
Good
Sat
21 Feb
78
Good
Sun
22 Feb
44
Excellent
Air quality in the last 12 months (Ziyuan)
|
2026/01
|
29
|
49
|
66
|
75
|
37
|
56
|
55
|
55
|
62
|
82
|
89
|
99
|
91
|
87
|
107
|
127
|
116
|
117
|
59
|
18
|
43
|
53
|
60
|
69
|
92
|
35
|
64
|
86
|
78
|
28
|
31
|
|
2025/12
|
68
|
92
|
88
|
77
|
70
|
79
|
88
|
79
|
91
|
94
|
91
|
103
|
27
|
45
|
60
|
71
|
74
|
76
|
80
|
81
|
76
|
99
|
73
|
33
|
53
|
61
|
64
|
66
|
78
|
87
|
113
|
|
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
|
|||
|
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