Air Quality
Excellent
No health implications.
20
PM2.5
40
PM10
152
O3
0.5
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
74
Good
Wed
18 Mar
69
Good
Thu
19 Mar
69
Good
Fri
20 Mar
69
Good
Sat
21 Mar
63
Good
Sun
22 Mar
69
Good
Mon
23 Mar
48
Excellent
Air quality in the last 12 months (Xiangcheng)
|
2026/02
|
28
|
44
|
52
|
58
|
62
|
55
|
37
|
46
|
43
|
50
|
53
|
52
|
52
|
41
|
28
|
52
|
69
|
46
|
41
|
48
|
53
|
57
|
55
|
67
|
49
|
35
|
42
|
14
|
|||
|
2026/01
|
29
|
24
|
43
|
49
|
49
|
32
|
44
|
57
|
58
|
58
|
64
|
64
|
61
|
63
|
70
|
71
|
65
|
71
|
65
|
44
|
42
|
47
|
37
|
43
|
42
|
52
|
50
|
40
|
45
|
52
|
35
|
|
2025/12
|
42
|
52
|
43
|
49
|
48
|
45
|
50
|
53
|
54
|
49
|
47
|
54
|
38
|
38
|
55
|
52
|
59
|
60
|
63
|
50
|
64
|
37
|
45
|
51
|
23
|
31
|
37
|
45
|
48
|
50
|
53
|
|
2025/11
|
30
|
48
|
42
|
18
|
19
|
30
|
39
|
39
|
49
|
25
|
29
|
12
|
13
|
30
|
48
|
51
|
47
|
41
|
25
|
40
|
44
|
57
|
53
|
54
|
43
|
66
|
59
|
69
|
74
|
56
|
|
|
2025/10
|
44
|
30
|
38
|
39
|
32
|
28
|
38
|
36
|
36
|
34
|
36
|
38
|
33
|
36
|
31
|
34
|
41
|
34
|
31
|
18
|
15
|
15
|
24
|
26
|
29
|
39
|
49
|
40
|
21
|
36
|
42
|
|
2025/09
|
37
|
27
|
29
|
34
|
36
|
29
|
15
|
14
|
16
|
21
|
21
|
31
|
31
|
35
|
30
|
30
|
26
|
18
|
19
|
11
|
20
|
20
|
15
|
13
|
20
|
25
|
30
|
31
|
38
|
47
|
|
|
2025/08
|
24
|
26
|
21
|
13
|
15
|
25
|
29
|
33
|
27
|
15
|
14
|
26
|
21
|
10
|
18
|
20
|
26
|
19
|
17
|
18
|
23
|
19
|
27
|
25
|
28
|
17
|
15
|
23
|
24
|
27
|
33
|
|
2025/07
|
30
|
22
|
29
|
32
|
13
|
21
|
28
|
33
|
33
|
14
|
11
|
23
|
35
|
25
|
28
|
32
|
35
|
25
|
20
|
16
|
11
|
13
|
19
|
24
|
18
|
19
|
23
|
18
|
22
|
19
|
16
|
|
2025/06
|
37
|
25
|
14
|
26
|
32
|
34
|
33
|
45
|
24
|
25
|
31
|
26
|
20
|
17
|
16
|
20
|
20
|
25
|
18
|
15
|
16
|
20
|
21
|
25
|
21
|
15
|
18
|
19
|
19
|
23
|
|
|
2025/05
|
65
|
47
|
46
|
50
|
35
|
36
|
33
|
63
|
41
|
24
|
26
|
38
|
46
|
42
|
33
|
18
|
18
|
26
|
27
|
27
|
27
|
32
|
29
|
19
|
41
|
48
|
40
|
36
|
10
|
20
|
45
|
|
2025/04
|
18
|
37
|
46
|
56
|
43
|
48
|
56
|
62
|
76
|
39
|
44
|
42
|
113
|
78
|
82
|
64
|
57
|
55
|
48
|
44
|
48
|
40
|
33
|
33
|
22
|
16
|
33
|
37
|
36
|
49
|
|
|
2025/03
|
58
|
32
|
31
|
28
|
13
|
15
|
21
|
34
|
40
|
40
|
52
|
54
|
28
|
36
|
34
|
9
|
47
|
47
|
45
|
52
|
52
|
54
|
67
|
76
|
82
|
60
|
46
|
55
|
23
|
12
|
12
|
|
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