Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
39
O3
0.3
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
58
Good
Sat
23 May
63
Good
Sun
24 May
57
Good
Mon
25 May
59
Good
Tue
26 May
45
Excellent
Wed
27 May
46
Excellent
Thu
28 May
43
Excellent
Air quality in the last 12 months (Kecheng)
|
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
|
|
|
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
|
|
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