Air Quality
Excellent
No health implications.
32
PM2.5
43
PM10
53
O3
0.7
CO
3
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Mar
46
Excellent
Tue
31 Mar
48
Excellent
Wed
1 Apr
73
Good
Thu
2 Apr
63
Good
Fri
3 Apr
51
Good
Sat
4 Apr
61
Good
Sun
5 Apr
19
Excellent
Kecheng Air quality rank
Air quality in the last 12 months (Kecheng)
|
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
|
|
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
|
|
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