Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
26
O3
0.4
CO
3
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jun
67
Good
Mon
30 Jun
87
Good
Tue
1 Jul
82
Good
Wed
2 Jul
91
Good
Thu
3 Jul
86
Good
Fri
4 Jul
29
Excellent
Sat
5 Jul
39
Excellent
Kecheng Air quality rank
Air quality in the last 12 months (Kecheng)
|
2025/05
|
49
|
45
|
50
|
46
|
34
|
47
|
116
|
60
|
21
|
45
|
47
|
53
|
50
|
49
|
74
|
50
|
28
|
50
|
45
|
23
|
17
|
33
|
13
|
37
|
69
|
74
|
71
|
48
|
28
|
43
|
49
|
|
2025/04
|
45
|
43
|
75
|
72
|
58
|
61
|
64
|
58
|
60
|
44
|
54
|
102
|
172
|
101
|
62
|
53
|
61
|
61
|
58
|
52
|
71
|
14
|
47
|
33
|
30
|
45
|
41
|
36
|
56
|
57
|
|
|
2025/03
|
50
|
45
|
42
|
14
|
41
|
41
|
62
|
65
|
88
|
104
|
108
|
76
|
13
|
35
|
15
|
34
|
38
|
43
|
56
|
46
|
48
|
50
|
55
|
64
|
65
|
70
|
72
|
62
|
40
|
56
|
46
|
|
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
|
|
|
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