Air Quality
Excellent
No health implications.
17
PM2.5
20
PM10
94
O3
0.6
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 May
44
Excellent
Sun
5 May
62
Good
Mon
6 May
75
Good
Tue
7 May
77
Good
Wed
8 May
85
Good
Thu
9 May
87
Good
Fri
10 May
89
Good
Air quality in the last 12 months (Xiantao)
|
2024/02
|
53
|
37
|
61
|
105
|
81
|
86
|
96
|
105
|
119
|
163
|
121
|
77
|
58
|
48
|
56
|
34
|
37
|
45
|
76
|
16
|
25
|
32
|
36
|
43
|
58
|
73
|
80
|
79
|
74
|
||
|
2024/01
|
90
|
89
|
54
|
51
|
71
|
89
|
104
|
98
|
113
|
101
|
98
|
95
|
92
|
140
|
83
|
54
|
39
|
44
|
29
|
47
|
67
|
47
|
37
|
45
|
57
|
76
|
83
|
89
|
86
|
92
|
102
|
|
2023/12
|
43
|
47
|
59
|
70
|
64
|
75
|
58
|
54
|
54
|
53
|
23
|
33
|
39
|
15
|
26
|
37
|
36
|
31
|
43
|
76
|
66
|
42
|
55
|
71
|
73
|
70
|
128
|
169
|
166
|
136
|
73
|
|
2023/11
|
69
|
67
|
82
|
64
|
46
|
29
|
39
|
40
|
49
|
58
|
42
|
38
|
47
|
46
|
64
|
91
|
98
|
64
|
62
|
64
|
61
|
68
|
71
|
58
|
48
|
52
|
61
|
71
|
78
|
42
|
|
|
2023/10
|
31
|
28
|
22
|
29
|
41
|
36
|
31
|
29
|
34
|
40
|
49
|
57
|
56
|
61
|
59
|
62
|
61
|
68
|
54
|
29
|
42
|
56
|
61
|
71
|
94
|
72
|
76
|
89
|
71
|
65
|
66
|
|
2023/09
|
50
|
43
|
42
|
44
|
41
|
34
|
39
|
44
|
47
|
47
|
41
|
29
|
33
|
33
|
34
|
39
|
39
|
42
|
37
|
24
|
26
|
23
|
18
|
18
|
20
|
25
|
36
|
32
|
41
|
20
|
|
|
2023/08
|
25
|
26
|
32
|
32
|
38
|
34
|
30
|
34
|
36
|
40
|
48
|
46
|
32
|
34
|
36
|
42
|
47
|
54
|
57
|
56
|
36
|
30
|
40
|
54
|
55
|
56
|
26
|
27
|
36
|
37
|
58
|
|
2023/07
|
29
|
29
|
30
|
23
|
26
|
25
|
25
|
24
|
22
|
25
|
31
|
31
|
31
|
23
|
36
|
52
|
49
|
38
|
29
|
21
|
25
|
19
|
24
|
31
|
30
|
31
|
27
|
28
|
17
|
22
|
23
|
|
2023/06
|
41
|
57
|
44
|
41
|
24
|
28
|
36
|
42
|
46
|
52
|
56
|
45
|
44
|
62
|
58
|
44
|
28
|
24
|
22
|
29
|
32
|
36
|
33
|
32
|
29
|
34
|
26
|
24
|
24
|
27
|
|
|
2023/05
|
71
|
56
|
40
|
29
|
31
|
26
|
39
|
46
|
47
|
37
|
43
|
50
|
51
|
66
|
64
|
46
|
26
|
48
|
57
|
53
|
51
|
46
|
47
|
39
|
46
|
42
|
37
|
37
|
35
|
24
|
29
|
|
2023/04
|
64
|
59
|
30
|
23
|
29
|
40
|
69
|
70
|
63
|
66
|
74
|
243
|
83
|
70
|
85
|
72
|
63
|
37
|
62
|
69
|
61
|
34
|
18
|
23
|
30
|
34
|
40
|
50
|
104
|
108
|
|
|
2023/03
|
110
|
96
|
99
|
92
|
69
|
61
|
73
|
76
|
53
|
58
|
50
|
113
|
81
|
73
|
97
|
95
|
21
|
26
|
37
|
38
|
35
|
46
|
88
|
108
|
59
|
58
|
83
|
84
|
74
|
67
|
69
|
|
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