Air Quality
Excellent
No health implications.
3
PM2.5
8
PM10
19
O3
0.4
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Sep
37
Excellent
Thu
3 Sep
44
Excellent
Fri
4 Sep
63
Good
Sat
5 Sep
83
Good
Sun
6 Sep
58
Good
Mon
7 Sep
62
Good
Tue
8 Sep
34
Excellent
Air quality in the last 12 months (Kecheng)
|
2026/08
|
24
|
26
|
44
|
56
|
37
|
44
|
40
|
23
|
15
|
17
|
19
|
27
|
31
|
38
|
29
|
24
|
32
|
33
|
30
|
26
|
26
|
24
|
22
|
19
|
23
|
31
|
35
|
24
|
20
|
19
|
24
|
|
2026/07
|
17
|
14
|
26
|
26
|
17
|
23
|
22
|
20
|
25
|
37
|
22
|
13
|
18
|
25
|
20
|
24
|
29
|
33
|
29
|
20
|
25
|
32
|
38
|
47
|
25
|
29
|
27
|
21
|
26
|
32
|
22
|
|
2026/06
|
59
|
53
|
68
|
18
|
37
|
39
|
48
|
39
|
25
|
38
|
38
|
42
|
33
|
23
|
36
|
31
|
43
|
19
|
14
|
21
|
22
|
32
|
29
|
37
|
22
|
41
|
58
|
39
|
32
|
21
|
|
|
2026/05
|
30
|
40
|
32
|
33
|
41
|
41
|
42
|
32
|
30
|
41
|
42
|
50
|
63
|
26
|
29
|
33
|
37
|
39
|
48
|
35
|
27
|
43
|
16
|
26
|
26
|
34
|
31
|
41
|
51
|
59
|
58
|
|
2026/04
|
28
|
42
|
28
|
32
|
64
|
61
|
55
|
37
|
49
|
33
|
43
|
34
|
51
|
43
|
44
|
46
|
31
|
59
|
51
|
65
|
47
|
15
|
20
|
27
|
40
|
43
|
54
|
60
|
25
|
28
|
|
|
2026/03
|
24
|
16
|
30
|
69
|
44
|
52
|
69
|
62
|
67
|
52
|
52
|
51
|
66
|
63
|
66
|
71
|
59
|
53
|
23
|
55
|
53
|
37
|
29
|
24
|
36
|
50
|
37
|
41
|
30
|
35
|
23
|
|
2026/02
|
46
|
53
|
76
|
80
|
90
|
43
|
28
|
48
|
46
|
51
|
54
|
63
|
71
|
45
|
40
|
19
|
55
|
45
|
47
|
38
|
40
|
47
|
147
|
56
|
28
|
29
|
15
|
19
|
|||
|
2026/01
|
21
|
32
|
85
|
92
|
57
|
55
|
54
|
54
|
55
|
52
|
65
|
66
|
59
|
66
|
64
|
83
|
120
|
121
|
71
|
15
|
43
|
67
|
94
|
102
|
113
|
119
|
26
|
97
|
80
|
35
|
15
|
|
2025/12
|
83
|
141
|
60
|
62
|
64
|
75
|
89
|
100
|
74
|
64
|
75
|
79
|
40
|
45
|
57
|
65
|
85
|
171
|
136
|
92
|
63
|
47
|
57
|
46
|
38
|
55
|
57
|
63
|
65
|
107
|
56
|
|
2025/11
|
45
|
58
|
63
|
35
|
40
|
44
|
37
|
55
|
11
|
49
|
34
|
32
|
44
|
59
|
90
|
79
|
64
|
27
|
33
|
42
|
51
|
69
|
59
|
49
|
71
|
99
|
86
|
90
|
70
|
65
|
|
|
2025/10
|
41
|
36
|
37
|
37
|
38
|
36
|
48
|
56
|
42
|
43
|
49
|
52
|
51
|
24
|
40
|
33
|
38
|
32
|
18
|
27
|
30
|
31
|
35
|
43
|
50
|
55
|
41
|
58
|
46
|
41
|
31
|
|
2025/09
|
33
|
31
|
32
|
36
|
32
|
30
|
28
|
23
|
22
|
18
|
20
|
22
|
28
|
19
|
31
|
33
|
30
|
31
|
24
|
27
|
27
|
33
|
32
|
21
|
28
|
28
|
37
|
37
|
42
|
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