Air Quality
Excellent
No health implications.
13
PM2.5
23
PM10
66
O3
0.5
CO
5
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
37
Excellent
Thu
22 May
39
Excellent
Fri
23 May
43
Excellent
Sat
24 May
44
Excellent
Sun
25 May
47
Excellent
Mon
26 May
46
Excellent
Tue
27 May
28
Excellent
Air quality in the last 12 months (Ziyuan)
|
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
|
|
2024/06
|
23
|
17
|
48
|
20
|
15
|
25
|
36
|
40
|
43
|
31
|
20
|
21
|
15
|
22
|
25
|
28
|
13
|
12
|
18
|
22
|
22
|
28
|
28
|
19
|
10
|
17
|
20
|
20
|
16
|
14
|
|
|
2024/05
|
17
|
35
|
23
|
14
|
20
|
32
|
43
|
52
|
48
|
40
|
27
|
41
|
61
|
59
|
57
|
62
|
56
|
39
|
15
|
19
|
35
|
46
|
40
|
34
|
40
|
20
|
18
|
33
|
34
|
24
|
18
|
|
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