Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
24
PM2.5
40
PM10
163
O3
0.3
CO
4
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
12 May
88
Good
Tue
13 May
91
Good
Wed
14 May
95
Good
Thu
15 May
63
Good
Fri
16 May
58
Good
Sat
17 May
80
Good
Sun
18 May
37
Excellent
Air quality in the last 12 months (Kecheng)
|
2025/02
|
17
|
20
|
54
|
50
|
39
|
55
|
65
|
48
|
40
|
53
|
64
|
64
|
116
|
122
|
92
|
44
|
65
|
33
|
52
|
23
|
21
|
30
|
43
|
73
|
113
|
83
|
66
|
52
|
|||
|
2025/01
|
108
|
94
|
104
|
96
|
89
|
95
|
91
|
109
|
88
|
43
|
61
|
65
|
71
|
75
|
98
|
59
|
62
|
78
|
61
|
68
|
104
|
89
|
85
|
72
|
53
|
27
|
37
|
53
|
151
|
64
|
59
|
|
2024/12
|
57
|
63
|
94
|
118
|
69
|
53
|
109
|
84
|
54
|
69
|
28
|
76
|
78
|
85
|
67
|
59
|
74
|
76
|
50
|
60
|
75
|
78
|
76
|
84
|
98
|
139
|
171
|
113
|
83
|
82
|
87
|
|
2024/11
|
13
|
30
|
49
|
79
|
69
|
53
|
40
|
43
|
44
|
38
|
44
|
57
|
50
|
64
|
28
|
27
|
26
|
28
|
39
|
39
|
54
|
60
|
102
|
50
|
40
|
28
|
49
|
53
|
56
|
56
|
|
|
2024/10
|
24
|
25
|
33
|
36
|
33
|
20
|
17
|
19
|
43
|
45
|
74
|
65
|
51
|
49
|
59
|
12
|
27
|
33
|
25
|
25
|
49
|
46
|
33
|
48
|
38
|
28
|
15
|
27
|
67
|
47
|
38
|
|
2024/09
|
32
|
40
|
50
|
40
|
30
|
33
|
43
|
35
|
24
|
43
|
26
|
31
|
28
|
35
|
38
|
26
|
20
|
25
|
35
|
53
|
18
|
24
|
23
|
32
|
32
|
52
|
28
|
36
|
46
|
43
|
|
|
2024/08
|
20
|
24
|
37
|
31
|
24
|
31
|
35
|
35
|
36
|
33
|
38
|
24
|
17
|
25
|
29
|
44
|
46
|
40
|
26
|
20
|
19
|
34
|
36
|
43
|
46
|
52
|
52
|
21
|
37
|
28
|
28
|
|
2024/07
|
25
|
23
|
19
|
24
|
28
|
27
|
28
|
24
|
29
|
32
|
32
|
28
|
34
|
27
|
33
|
32
|
32
|
26
|
28
|
29
|
30
|
30
|
30
|
23
|
17
|
15
|
10
|
18
|
19
|
18
|
18
|
|
2024/06
|
10
|
19
|
30
|
42
|
38
|
16
|
25
|
29
|
45
|
25
|
18
|
18
|
31
|
19
|
21
|
24
|
16
|
26
|
29
|
28
|
25
|
24
|
34
|
21
|
13
|
24
|
14
|
30
|
19
|
28
|
|
|
2024/05
|
15
|
41
|
46
|
43
|
16
|
20
|
38
|
55
|
58
|
58
|
48
|
37
|
60
|
51
|
52
|
48
|
51
|
49
|
52
|
52
|
29
|
33
|
40
|
34
|
32
|
22
|
26
|
21
|
35
|
44
|
32
|
|
2024/04
|
38
|
25
|
25
|
21
|
45
|
39
|
21
|
21
|
34
|
55
|
56
|
50
|
53
|
30
|
52
|
51
|
29
|
22
|
44
|
30
|
25
|
20
|
36
|
49
|
57
|
42
|
46
|
50
|
25
|
17
|
|
|
2024/03
|
32
|
52
|
43
|
51
|
46
|
17
|
66
|
53
|
65
|
79
|
68
|
60
|
100
|
81
|
87
|
60
|
60
|
47
|
42
|
62
|
53
|
51
|
53
|
38
|
35
|
20
|
52
|
31
|
43
|
51
|
39
|
|
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