Air Quality
Excellent
No health implications.
27
PM2.5
41
PM10
16
O3
0.6
CO
5
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
70
Good
Mon
2 Feb
89
Good
Tue
3 Feb
101
Light
Wed
4 Feb
118
Light
Thu
5 Feb
127
Light
Fri
6 Feb
30
Excellent
Sat
7 Feb
29
Excellent
Air quality in the last 12 months (Langxi)
|
2025/12
|
111
|
70
|
49
|
58
|
76
|
74
|
79
|
105
|
57
|
65
|
112
|
51
|
41
|
58
|
58
|
62
|
125
|
119
|
114
|
141
|
41
|
35
|
46
|
65
|
85
|
39
|
57
|
62
|
69
|
136
|
33
|
|
2025/11
|
66
|
64
|
38
|
46
|
43
|
39
|
17
|
21
|
25
|
52
|
32
|
38
|
41
|
74
|
70
|
58
|
39
|
35
|
42
|
46
|
68
|
94
|
90
|
79
|
100
|
77
|
183
|
116
|
72
|
66
|
|
|
2025/10
|
31
|
37
|
38
|
35
|
41
|
42
|
60
|
40
|
29
|
33
|
62
|
65
|
40
|
28
|
39
|
20
|
25
|
18
|
20
|
29
|
20
|
24
|
26
|
35
|
44
|
35
|
49
|
44
|
40
|
27
|
24
|
|
2025/09
|
23
|
19
|
21
|
43
|
40
|
27
|
32
|
38
|
22
|
22
|
32
|
28
|
32
|
27
|
19
|
28
|
27
|
24
|
28
|
22
|
26
|
28
|
32
|
19
|
21
|
32
|
38
|
46
|
33
|
29
|
|
|
2025/08
|
18
|
16
|
18
|
26
|
36
|
13
|
10
|
14
|
19
|
27
|
21
|
28
|
21
|
19
|
20
|
26
|
28
|
29
|
29
|
29
|
26
|
16
|
16
|
23
|
26
|
19
|
34
|
26
|
28
|
25
|
16
|
|
2025/07
|
21
|
24
|
27
|
35
|
34
|
36
|
24
|
14
|
16
|
36
|
26
|
21
|
31
|
36
|
33
|
28
|
23
|
33
|
21
|
16
|
14
|
15
|
19
|
21
|
23
|
17
|
17
|
18
|
23
|
13
|
8
|
|
2025/06
|
14
|
11
|
26
|
48
|
42
|
33
|
40
|
20
|
35
|
26
|
38
|
27
|
19
|
18
|
13
|
29
|
40
|
33
|
13
|
13
|
13
|
10
|
20
|
24
|
38
|
34
|
17
|
15
|
14
|
25
|
|
|
2025/05
|
49
|
50
|
55
|
35
|
44
|
101
|
91
|
52
|
17
|
34
|
33
|
37
|
44
|
49
|
73
|
39
|
38
|
76
|
57
|
38
|
20
|
44
|
29
|
58
|
58
|
48
|
48
|
48
|
39
|
50
|
49
|
|
2025/04
|
42
|
58
|
50
|
69
|
65
|
66
|
64
|
58
|
65
|
63
|
59
|
205
|
90
|
87
|
45
|
47
|
62
|
63
|
78
|
63
|
55
|
50
|
55
|
63
|
60
|
46
|
42
|
54
|
55
|
53
|
|
|
2025/03
|
40
|
41
|
22
|
34
|
47
|
61
|
67
|
84
|
79
|
59
|
57
|
48
|
38
|
40
|
28
|
46
|
32
|
40
|
51
|
51
|
40
|
45
|
55
|
58
|
60
|
63
|
78
|
65
|
68
|
66
|
38
|
|
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
|
|
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