Air Quality
Excellent
No health implications.
7
PM2.5
11
PM10
88
O3
0.5
CO
3
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
78
Good
Thu
2 May
93
Good
Fri
3 May
88
Good
Sat
4 May
70
Good
Sun
5 May
61
Good
Mon
6 May
61
Good
Air quality in the last 12 months (Kecheng)
|
2024/02
|
37
|
18
|
15
|
19
|
18
|
30
|
35
|
77
|
86
|
116
|
70
|
55
|
55
|
52
|
36
|
22
|
30
|
49
|
52
|
41
|
22
|
10
|
19
|
23
|
35
|
80
|
94
|
63
|
24
|
||
|
2024/01
|
175
|
155
|
58
|
57
|
56
|
58
|
191
|
174
|
122
|
62
|
101
|
61
|
64
|
62
|
128
|
79
|
79
|
93
|
36
|
19
|
43
|
44
|
36
|
45
|
58
|
77
|
79
|
67
|
99
|
69
|
68
|
|
2023/12
|
50
|
56
|
73
|
82
|
66
|
68
|
66
|
62
|
55
|
69
|
66
|
20
|
55
|
67
|
51
|
28
|
53
|
45
|
40
|
45
|
63
|
47
|
54
|
67
|
61
|
80
|
85
|
123
|
226
|
153
|
106
|
|
2023/11
|
52
|
50
|
52
|
66
|
55
|
22
|
43
|
57
|
65
|
22
|
17
|
19
|
45
|
53
|
76
|
43
|
79
|
77
|
59
|
62
|
54
|
56
|
59
|
88
|
55
|
63
|
66
|
66
|
69
|
80
|
|
|
2023/10
|
28
|
38
|
46
|
34
|
39
|
35
|
20
|
18
|
35
|
42
|
50
|
52
|
56
|
53
|
63
|
66
|
65
|
72
|
72
|
29
|
38
|
50
|
47
|
48
|
76
|
102
|
88
|
91
|
62
|
64
|
56
|
|
2023/09
|
44
|
48
|
45
|
37
|
35
|
43
|
45
|
49
|
50
|
54
|
56
|
54
|
28
|
18
|
20
|
21
|
31
|
38
|
43
|
41
|
24
|
27
|
21
|
35
|
45
|
52
|
60
|
56
|
53
|
31
|
|
|
2023/08
|
33
|
27
|
28
|
33
|
41
|
44
|
37
|
40
|
37
|
37
|
51
|
49
|
24
|
30
|
39
|
43
|
34
|
44
|
30
|
28
|
35
|
24
|
27
|
50
|
52
|
28
|
28
|
31
|
20
|
31
|
28
|
|
2023/07
|
50
|
35
|
29
|
33
|
33
|
35
|
34
|
35
|
41
|
39
|
44
|
40
|
40
|
40
|
42
|
33
|
30
|
32
|
29
|
21
|
24
|
24
|
23
|
30
|
34
|
23
|
21
|
12
|
19
|
25
|
24
|
|
2023/06
|
47
|
51
|
78
|
72
|
53
|
49
|
44
|
25
|
41
|
43
|
58
|
77
|
60
|
59
|
62
|
52
|
43
|
32
|
27
|
21
|
33
|
49
|
31
|
22
|
22
|
17
|
35
|
28
|
31
|
37
|
|
|
2023/05
|
63
|
48
|
39
|
48
|
32
|
30
|
21
|
39
|
50
|
57
|
59
|
66
|
55
|
64
|
69
|
72
|
39
|
36
|
56
|
82
|
80
|
31
|
76
|
66
|
55
|
54
|
39
|
42
|
46
|
50
|
64
|
|
2023/04
|
59
|
55
|
43
|
43
|
45
|
43
|
41
|
58
|
61
|
66
|
69
|
118
|
107
|
54
|
49
|
81
|
73
|
70
|
45
|
37
|
42
|
58
|
42
|
25
|
29
|
37
|
49
|
60
|
39
|
68
|
|
|
2023/03
|
74
|
91
|
96
|
87
|
72
|
66
|
65
|
81
|
79
|
65
|
63
|
66
|
75
|
61
|
64
|
100
|
62
|
46
|
50
|
45
|
51
|
46
|
32
|
23
|
35
|
49
|
92
|
92
|
63
|
26
|
45
|
|
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