Air Quality
Excellent
No health implications.
33
PM2.5
40
PM10
97
O3
0.9
CO
9
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
53
Good
Tue
30 Apr
59
Good
Wed
1 May
53
Good
Thu
2 May
50
Excellent
Fri
3 May
51
Good
Sat
4 May
58
Good
Sun
5 May
50
Excellent
Air quality in the last 12 months (Lengshuitan)
|
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
|
|
|
2023/10
|
58
|
66
|
79
|
39
|
27
|
55
|
38
|
36
|
40
|
37
|
44
|
61
|
76
|
74
|
66
|
63
|
66
|
57
|
28
|
25
|
39
|
50
|
54
|
72
|
67
|
45
|
53
|
56
|
57
|
51
|
58
|
|
2023/09
|
50
|
45
|
37
|
41
|
56
|
46
|
33
|
28
|
27
|
27
|
21
|
26
|
24
|
30
|
32
|
37
|
34
|
28
|
22
|
27
|
39
|
28
|
47
|
56
|
56
|
54
|
57
|
61
|
61
|
81
|
|
|
2023/08
|
26
|
28
|
35
|
34
|
31
|
20
|
26
|
32
|
31
|
40
|
49
|
41
|
44
|
42
|
30
|
32
|
38
|
41
|
62
|
60
|
34
|
40
|
28
|
38
|
49
|
36
|
26
|
22
|
43
|
68
|
43
|
|
2023/07
|
38
|
29
|
25
|
21
|
19
|
22
|
25
|
27
|
26
|
27
|
29
|
28
|
28
|
31
|
34
|
49
|
55
|
39
|
24
|
26
|
24
|
27
|
30
|
31
|
32
|
32
|
32
|
26
|
44
|
31
|
22
|
|
2023/06
|
38
|
57
|
68
|
59
|
51
|
39
|
43
|
24
|
28
|
42
|
44
|
47
|
39
|
46
|
48
|
60
|
30
|
23
|
23
|
25
|
22
|
21
|
25
|
27
|
25
|
22
|
21
|
25
|
24
|
29
|
|
|
2023/05
|
74
|
49
|
35
|
30
|
51
|
28
|
32
|
54
|
59
|
41
|
29
|
42
|
50
|
55
|
49
|
56
|
29
|
36
|
49
|
48
|
41
|
27
|
47
|
43
|
40
|
31
|
19
|
27
|
34
|
52
|
38
|
|
2023/04
|
55
|
37
|
27
|
29
|
26
|
28
|
42
|
77
|
70
|
55
|
38
|
54
|
67
|
38
|
73
|
72
|
60
|
52
|
34
|
43
|
46
|
24
|
14
|
20
|
21
|
33
|
48
|
60
|
65
|
96
|
|
|
2023/03
|
87
|
109
|
125
|
98
|
68
|
64
|
77
|
78
|
68
|
60
|
72
|
93
|
112
|
87
|
76
|
70
|
34
|
51
|
25
|
33
|
54
|
34
|
33
|
21
|
44
|
61
|
54
|
59
|
57
|
45
|
49
|
|
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