Air Quality
Excellent
No health implications.
16
PM2.5
22
PM10
149
O3
0.2
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
96
Good
Tue
13 May
103
Light
Wed
14 May
99
Good
Thu
15 May
94
Good
Fri
16 May
85
Good
Sat
17 May
79
Good
Sun
18 May
16
Excellent
Air quality in the last 12 months (Langxi)
|
2025/02
|
37
|
62
|
105
|
76
|
45
|
48
|
55
|
31
|
40
|
61
|
78
|
118
|
91
|
86
|
117
|
73
|
82
|
50
|
67
|
56
|
37
|
67
|
99
|
86
|
105
|
89
|
92
|
59
|
|||
|
2025/01
|
99
|
104
|
95
|
104
|
122
|
83
|
56
|
70
|
41
|
45
|
70
|
70
|
74
|
95
|
60
|
54
|
66
|
93
|
89
|
124
|
154
|
146
|
110
|
50
|
32
|
61
|
43
|
48
|
119
|
68
|
76
|
|
2024/12
|
52
|
62
|
89
|
57
|
67
|
102
|
157
|
41
|
64
|
62
|
52
|
71
|
104
|
80
|
59
|
50
|
66
|
84
|
43
|
65
|
91
|
65
|
66
|
87
|
116
|
149
|
67
|
78
|
66
|
87
|
95
|
|
2024/11
|
13
|
38
|
44
|
56
|
39
|
40
|
35
|
40
|
40
|
41
|
49
|
50
|
46
|
48
|
53
|
47
|
27
|
26
|
32
|
35
|
49
|
78
|
39
|
39
|
30
|
33
|
55
|
60
|
41
|
49
|
|
|
2024/10
|
26
|
31
|
27
|
29
|
27
|
10
|
13
|
32
|
38
|
44
|
63
|
60
|
32
|
35
|
46
|
37
|
26
|
29
|
24
|
32
|
32
|
28
|
50
|
44
|
40
|
20
|
15
|
48
|
46
|
41
|
27
|
|
2024/09
|
37
|
43
|
34
|
36
|
30
|
35
|
54
|
48
|
23
|
39
|
13
|
23
|
28
|
28
|
27
|
18
|
15
|
21
|
21
|
13
|
21
|
26
|
25
|
32
|
45
|
48
|
29
|
36
|
37
|
38
|
|
|
2024/08
|
17
|
18
|
27
|
29
|
26
|
31
|
40
|
34
|
37
|
37
|
36
|
33
|
29
|
26
|
24
|
43
|
36
|
34
|
25
|
18
|
18
|
27
|
36
|
38
|
40
|
38
|
32
|
21
|
25
|
28
|
40
|
|
2024/07
|
11
|
17
|
15
|
17
|
18
|
16
|
17
|
17
|
24
|
22
|
23
|
18
|
15
|
12
|
33
|
31
|
22
|
16
|
18
|
18
|
21
|
26
|
32
|
28
|
21
|
16
|
13
|
16
|
19
|
27
|
23
|
|
2024/06
|
30
|
29
|
34
|
46
|
40
|
20
|
26
|
34
|
36
|
18
|
24
|
32
|
44
|
51
|
49
|
43
|
28
|
32
|
15
|
18
|
23
|
10
|
14
|
20
|
19
|
20
|
9
|
10
|
15
|
11
|
|
|
2024/05
|
32
|
38
|
36
|
33
|
23
|
24
|
51
|
52
|
37
|
46
|
38
|
83
|
72
|
57
|
57
|
32
|
44
|
52
|
42
|
45
|
30
|
43
|
54
|
49
|
39
|
29
|
26
|
26
|
35
|
31
|
24
|
|
2024/04
|
59
|
21
|
25
|
49
|
48
|
42
|
28
|
17
|
45
|
59
|
58
|
58
|
41
|
23
|
46
|
61
|
29
|
58
|
53
|
34
|
37
|
46
|
38
|
66
|
55
|
54
|
46
|
30
|
25
|
38
|
|
|
2024/03
|
53
|
54
|
59
|
60
|
29
|
67
|
90
|
78
|
86
|
90
|
68
|
78
|
75
|
86
|
86
|
63
|
76
|
69
|
70
|
84
|
69
|
55
|
65
|
59
|
40
|
37
|
50
|
30
|
37
|
44
|
77
|
|
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