Air Quality
Excellent
No health implications.
20
PM2.5
36
PM10
38
O3
1.1
CO
7
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Feb
71
Good
Fri
28 Feb
59
Good
Sat
1 Mar
53
Good
Sun
2 Mar
57
Good
Mon
3 Mar
49
Excellent
Tue
4 Mar
48
Excellent
Wed
5 Mar
95
Good
Air quality in the last 12 months (Ziyuan)
|
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
|
|
2024/04
|
51
|
66
|
37
|
25
|
21
|
19
|
26
|
37
|
44
|
51
|
54
|
56
|
45
|
45
|
58
|
54
|
23
|
30
|
23
|
23
|
31
|
40
|
41
|
42
|
39
|
31
|
34
|
49
|
56
|
13
|
|
|
2024/03
|
66
|
45
|
51
|
50
|
32
|
64
|
61
|
56
|
61
|
54
|
39
|
47
|
46
|
45
|
36
|
38
|
46
|
19
|
47
|
73
|
73
|
58
|
42
|
44
|
28
|
23
|
53
|
28
|
34
|
60
|
53
|
|
2024/02
|
42
|
17
|
15
|
23
|
45
|
27
|
37
|
55
|
78
|
121
|
82
|
75
|
60
|
45
|
46
|
40
|
53
|
44
|
51
|
66
|
21
|
19
|
21
|
22
|
29
|
26
|
45
|
36
|
38
|
||
|
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