Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
47
O3
0.3
CO
4
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Feb
48
Excellent
Sun
8 Feb
54
Good
Mon
9 Feb
66
Good
Tue
10 Feb
66
Good
Wed
11 Feb
66
Good
Thu
12 Feb
16
Excellent
Fri
13 Feb
39
Excellent
Air quality in the last 12 months (Kecheng)
|
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
|
|
|
2025/08
|
39
|
44
|
35
|
31
|
24
|
18
|
23
|
28
|
31
|
41
|
40
|
33
|
16
|
16
|
18
|
22
|
23
|
25
|
27
|
26
|
27
|
24
|
21
|
30
|
25
|
30
|
27
|
19
|
24
|
27
|
31
|
|
2025/07
|
13
|
22
|
33
|
41
|
32
|
21
|
21
|
22
|
23
|
28
|
23
|
20
|
23
|
29
|
32
|
44
|
36
|
29
|
23
|
20
|
17
|
24
|
25
|
28
|
28
|
15
|
21
|
17
|
26
|
25
|
28
|
|
2025/06
|
43
|
21
|
16
|
45
|
40
|
36
|
42
|
52
|
26
|
25
|
26
|
26
|
20
|
24
|
13
|
28
|
37
|
23
|
31
|
30
|
28
|
32
|
17
|
14
|
36
|
20
|
24
|
20
|
27
|
27
|
|
|
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
|
|||
|
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