Air Quality
Excellent
No health implications.
21
PM2.5
36
PM10
56
O3
0.6
CO
6
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
83
Good
Thu
14 May
70
Good
Fri
15 May
72
Good
Sat
16 May
66
Good
Sun
17 May
57
Good
Mon
18 May
49
Excellent
Tue
19 May
42
Excellent
Air quality in the last 12 months (Xiantao)
|
2026/04
|
52
|
46
|
38
|
49
|
70
|
76
|
75
|
61
|
28
|
42
|
55
|
48
|
40
|
28
|
32
|
44
|
50
|
56
|
55
|
75
|
34
|
24
|
32
|
37
|
48
|
54
|
57
|
29
|
29
|
36
|
|
|
2026/03
|
24
|
31
|
51
|
66
|
78
|
78
|
83
|
74
|
79
|
77
|
61
|
82
|
58
|
71
|
76
|
29
|
30
|
42
|
73
|
85
|
70
|
55
|
64
|
78
|
77
|
75
|
65
|
61
|
57
|
37
|
54
|
|
2026/02
|
66
|
88
|
96
|
103
|
113
|
137
|
63
|
74
|
62
|
71
|
80
|
99
|
76
|
64
|
82
|
32
|
76
|
80
|
94
|
57
|
51
|
81
|
89
|
48
|
40
|
23
|
46
|
49
|
|||
|
2026/01
|
41
|
69
|
83
|
75
|
93
|
69
|
73
|
67
|
72
|
74
|
73
|
77
|
79
|
90
|
126
|
126
|
156
|
140
|
27
|
55
|
56
|
78
|
83
|
90
|
85
|
168
|
108
|
91
|
70
|
55
|
54
|
|
2025/12
|
93
|
101
|
58
|
71
|
85
|
90
|
117
|
105
|
138
|
150
|
170
|
118
|
37
|
52
|
60
|
70
|
129
|
157
|
118
|
122
|
56
|
54
|
46
|
85
|
68
|
71
|
81
|
88
|
94
|
140
|
95
|
|
2025/11
|
78
|
75
|
78
|
77
|
81
|
64
|
35
|
29
|
51
|
57
|
64
|
42
|
51
|
73
|
80
|
88
|
52
|
27
|
32
|
42
|
62
|
79
|
91
|
75
|
79
|
69
|
98
|
80
|
70
|
76
|
|
|
2025/10
|
29
|
37
|
20
|
31
|
55
|
53
|
38
|
55
|
61
|
48
|
49
|
59
|
23
|
37
|
52
|
27
|
28
|
12
|
15
|
25
|
23
|
30
|
39
|
44
|
76
|
81
|
75
|
77
|
98
|
77
|
60
|
|
2025/09
|
20
|
24
|
25
|
25
|
31
|
26
|
39
|
39
|
22
|
26
|
40
|
17
|
20
|
20
|
25
|
33
|
26
|
18
|
13
|
16
|
27
|
29
|
16
|
12
|
18
|
21
|
31
|
39
|
26
|
24
|
|
|
2025/08
|
40
|
35
|
40
|
40
|
32
|
22
|
14
|
14
|
23
|
23
|
13
|
18
|
17
|
23
|
17
|
15
|
21
|
30
|
18
|
13
|
18
|
17
|
21
|
22
|
23
|
21
|
26
|
26
|
33
|
27
|
15
|
|
2025/07
|
17
|
14
|
16
|
20
|
25
|
30
|
32
|
34
|
24
|
21
|
37
|
27
|
24
|
25
|
28
|
26
|
26
|
25
|
30
|
29
|
21
|
13
|
10
|
18
|
21
|
26
|
17
|
17
|
20
|
23
|
26
|
|
2025/06
|
13
|
31
|
43
|
50
|
45
|
42
|
27
|
22
|
26
|
27
|
26
|
31
|
30
|
22
|
30
|
35
|
25
|
14
|
11
|
12
|
12
|
16
|
20
|
21
|
27
|
32
|
18
|
16
|
11
|
15
|
|
|
2025/05
|
49
|
57
|
50
|
44
|
37
|
102
|
129
|
41
|
51
|
45
|
44
|
47
|
60
|
67
|
50
|
37
|
42
|
121
|
84
|
43
|
23
|
19
|
48
|
56
|
51
|
50
|
53
|
39
|
31
|
28
|
16
|
|
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