Air Quality
Excellent
No health implications.
24
PM2.5
30
PM10
113
O3
0.6
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
48
Excellent
Thu
15 May
49
Excellent
Fri
16 May
47
Excellent
Sat
17 May
52
Good
Sun
18 May
69
Good
Mon
19 May
27
Excellent
Tue
20 May
16
Excellent
Air quality in the last 12 months (Ziyun)
|
2025/02
|
36
|
18
|
27
|
39
|
49
|
21
|
25
|
40
|
50
|
33
|
41
|
46
|
32
|
23
|
31
|
45
|
39
|
40
|
15
|
19
|
14
|
15
|
22
|
16
|
24
|
34
|
28
|
39
|
|||
|
2025/01
|
61
|
79
|
71
|
83
|
57
|
61
|
67
|
40
|
29
|
38
|
58
|
63
|
48
|
82
|
70
|
79
|
72
|
77
|
74
|
89
|
77
|
89
|
69
|
56
|
29
|
25
|
47
|
48
|
61
|
48
|
45
|
|
2024/12
|
55
|
64
|
58
|
59
|
29
|
18
|
32
|
35
|
19
|
19
|
24
|
31
|
37
|
58
|
53
|
65
|
55
|
53
|
56
|
70
|
82
|
81
|
62
|
65
|
59
|
43
|
42
|
60
|
58
|
46
|
51
|
|
2024/11
|
39
|
30
|
46
|
53
|
38
|
59
|
58
|
57
|
51
|
46
|
33
|
38
|
45
|
47
|
42
|
46
|
55
|
39
|
28
|
22
|
23
|
29
|
32
|
41
|
26
|
19
|
22
|
28
|
29
|
32
|
|
|
2024/10
|
8
|
16
|
30
|
37
|
42
|
56
|
35
|
42
|
32
|
56
|
52
|
47
|
31
|
27
|
30
|
28
|
15
|
24
|
28
|
18
|
24
|
20
|
32
|
36
|
32
|
28
|
43
|
32
|
30
|
26
|
38
|
|
2024/09
|
22
|
19
|
15
|
16
|
33
|
37
|
26
|
14
|
13
|
17
|
20
|
24
|
21
|
30
|
30
|
31
|
22
|
29
|
42
|
47
|
34
|
25
|
33
|
49
|
52
|
37
|
45
|
41
|
25
|
13
|
|
|
2024/08
|
12
|
9
|
11
|
13
|
15
|
16
|
18
|
19
|
19
|
21
|
39
|
57
|
44
|
38
|
33
|
31
|
34
|
25
|
28
|
27
|
21
|
17
|
13
|
14
|
13
|
14
|
17
|
18
|
25
|
23
|
19
|
|
2024/07
|
19
|
22
|
11
|
13
|
15
|
14
|
18
|
17
|
18
|
15
|
14
|
15
|
15
|
14
|
14
|
17
|
14
|
14
|
9
|
11
|
13
|
15
|
15
|
12
|
24
|
29
|
30
|
19
|
14
|
12
|
14
|
|
2024/06
|
30
|
26
|
9
|
12
|
19
|
22
|
15
|
13
|
7
|
14
|
19
|
19
|
23
|
20
|
32
|
22
|
14
|
22
|
17
|
21
|
23
|
13
|
18
|
16
|
15
|
12
|
9
|
12
|
13
|
18
|
|
|
2024/05
|
28
|
14
|
18
|
20
|
35
|
27
|
30
|
30
|
19
|
13
|
21
|
15
|
22
|
34
|
27
|
28
|
20
|
14
|
21
|
27
|
21
|
23
|
23
|
26
|
29
|
15
|
21
|
17
|
14
|
14
|
24
|
|
2024/04
|
43
|
41
|
52
|
36
|
29
|
28
|
24
|
19
|
30
|
39
|
52
|
57
|
51
|
55
|
61
|
70
|
46
|
25
|
29
|
30
|
19
|
38
|
23
|
37
|
37
|
37
|
47
|
54
|
59
|
29
|
|
|
2024/03
|
31
|
52
|
37
|
38
|
41
|
32
|
57
|
62
|
44
|
29
|
26
|
34
|
40
|
44
|
21
|
37
|
57
|
40
|
24
|
52
|
54
|
43
|
33
|
39
|
35
|
49
|
50
|
28
|
34
|
48
|
54
|
|
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