Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
45
O3
0.7
CO
7
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
99
Good
Mon
18 Nov
62
Good
Tue
19 Nov
80
Good
Wed
20 Nov
75
Good
Thu
21 Nov
78
Good
Fri
22 Nov
74
Good
Sat
23 Nov
74
Good
Air quality in the last 12 months (Lengshuitan)
|
2024/10
|
27
|
40
|
60
|
55
|
57
|
75
|
67
|
63
|
57
|
59
|
75
|
81
|
147
|
88
|
39
|
38
|
47
|
26
|
19
|
32
|
33
|
20
|
24
|
39
|
49
|
55
|
48
|
56
|
76
|
62
|
51
|
|
2024/09
|
30
|
31
|
44
|
43
|
49
|
41
|
21
|
27
|
27
|
33
|
34
|
38
|
39
|
41
|
34
|
41
|
41
|
48
|
44
|
47
|
28
|
29
|
38
|
49
|
79
|
74
|
52
|
67
|
64
|
59
|
|
|
2024/08
|
13
|
18
|
21
|
23
|
27
|
25
|
25
|
23
|
27
|
24
|
26
|
20
|
21
|
31
|
30
|
32
|
35
|
57
|
34
|
39
|
30
|
14
|
16
|
16
|
24
|
29
|
35
|
31
|
36
|
43
|
46
|
|
2024/07
|
20
|
11
|
21
|
19
|
18
|
16
|
19
|
22
|
22
|
22
|
25
|
23
|
26
|
18
|
25
|
17
|
13
|
15
|
15
|
20
|
21
|
20
|
16
|
24
|
41
|
34
|
30
|
13
|
9
|
11
|
12
|
|
2024/06
|
23
|
16
|
59
|
25
|
12
|
30
|
39
|
51
|
49
|
43
|
12
|
18
|
17
|
20
|
23
|
28
|
10
|
13
|
20
|
24
|
21
|
20
|
22
|
15
|
8
|
18
|
27
|
16
|
17
|
15
|
|
|
2024/05
|
19
|
46
|
24
|
10
|
25
|
37
|
56
|
70
|
78
|
48
|
24
|
51
|
72
|
59
|
59
|
72
|
64
|
48
|
23
|
26
|
47
|
62
|
47
|
33
|
33
|
19
|
18
|
30
|
33
|
20
|
23
|
|
2024/04
|
43
|
58
|
27
|
41
|
30
|
32
|
39
|
44
|
47
|
59
|
63
|
63
|
54
|
46
|
58
|
45
|
21
|
39
|
21
|
24
|
39
|
44
|
44
|
47
|
45
|
33
|
42
|
56
|
61
|
9
|
|
|
2024/03
|
91
|
48
|
51
|
68
|
29
|
92
|
70
|
65
|
66
|
61
|
40
|
44
|
58
|
51
|
47
|
50
|
42
|
17
|
32
|
64
|
70
|
46
|
33
|
43
|
27
|
26
|
50
|
23
|
30
|
48
|
40
|
|
2024/02
|
42
|
21
|
16
|
25
|
64
|
28
|
53
|
81
|
100
|
170
|
96
|
89
|
39
|
38
|
57
|
48
|
46
|
37
|
44
|
93
|
14
|
22
|
28
|
27
|
48
|
36
|
59
|
52
|
60
|
||
|
2024/01
|
113
|
110
|
62
|
68
|
87
|
87
|
100
|
73
|
67
|
108
|
117
|
96
|
92
|
55
|
191
|
189
|
167
|
66
|
16
|
19
|
56
|
51
|
46
|
49
|
52
|
66
|
71
|
83
|
63
|
46
|
58
|
|
2023/12
|
47
|
67
|
68
|
41
|
45
|
57
|
56
|
51
|
53
|
58
|
31
|
40
|
52
|
32
|
25
|
27
|
41
|
38
|
53
|
59
|
59
|
53
|
54
|
69
|
74
|
88
|
97
|
117
|
179
|
217
|
202
|
|
2023/11
|
61
|
56
|
61
|
93
|
73
|
21
|
33
|
47
|
33
|
21
|
9
|
10
|
64
|
67
|
57
|
27
|
50
|
56
|
57
|
54
|
56
|
66
|
83
|
71
|
76
|
84
|
85
|
72
|
80
|
94
|
|
|
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