Air Quality
Excellent
No health implications.
9
PM2.5
12
PM10
20
O3
0.6
CO
3
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Mar
59
Good
Wed
5 Mar
61
Good
Thu
6 Mar
58
Good
Fri
7 Mar
69
Good
Sat
8 Mar
85
Good
Sun
9 Mar
73
Good
Mon
10 Mar
20
Excellent
Air quality in the last 12 months (Kecheng)
|
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
|
|
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
|
||
|
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