Air Quality
Excellent
No health implications.
4
PM2.5
12
PM10
51
O3
0.4
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Mar
45
Excellent
Sun
15 Mar
43
Excellent
Mon
16 Mar
46
Excellent
Tue
17 Mar
41
Excellent
Wed
18 Mar
51
Good
Thu
19 Mar
50
Excellent
Fri
20 Mar
32
Excellent
Chenggu Air quality rank
Air quality in the last 12 months (Chenggu)
|
2026/02
|
92
|
93
|
96
|
92
|
102
|
104
|
69
|
80
|
78
|
74
|
82
|
75
|
83
|
94
|
77
|
46
|
96
|
72
|
65
|
61
|
89
|
121
|
78
|
51
|
53
|
37
|
34
|
21
|
|||
|
2026/01
|
39
|
69
|
82
|
77
|
71
|
65
|
83
|
90
|
96
|
106
|
95
|
116
|
117
|
118
|
93
|
108
|
125
|
158
|
57
|
39
|
56
|
67
|
89
|
108
|
117
|
120
|
116
|
117
|
85
|
45
|
77
|
|
2025/12
|
89
|
112
|
107
|
99
|
85
|
98
|
99
|
98
|
121
|
94
|
101
|
102
|
71
|
69
|
86
|
78
|
87
|
100
|
98
|
80
|
44
|
57
|
57
|
70
|
68
|
77
|
85
|
122
|
132
|
150
|
71
|
|
2025/11
|
53
|
51
|
53
|
66
|
58
|
48
|
22
|
40
|
45
|
56
|
60
|
64
|
61
|
66
|
61
|
52
|
19
|
30
|
41
|
61
|
64
|
76
|
56
|
60
|
65
|
77
|
103
|
88
|
84
|
89
|
|
|
2025/10
|
11
|
12
|
13
|
11
|
11
|
11
|
14
|
21
|
26
|
17
|
9
|
10
|
16
|
21
|
15
|
14
|
9
|
14
|
12
|
9
|
12
|
19
|
32
|
41
|
42
|
39
|
44
|
50
|
59
|
47
|
49
|
|
2025/09
|
27
|
22
|
30
|
17
|
15
|
30
|
33
|
21
|
23
|
26
|
16
|
14
|
20
|
26
|
33
|
24
|
17
|
7
|
10
|
12
|
13
|
11
|
9
|
15
|
26
|
27
|
19
|
13
|
15
|
18
|
|
|
2025/08
|
29
|
30
|
36
|
35
|
30
|
21
|
24
|
21
|
16
|
12
|
19
|
24
|
29
|
36
|
30
|
14
|
17
|
19
|
25
|
25
|
29
|
26
|
16
|
18
|
18
|
30
|
27
|
11
|
11
|
14
|
19
|
|
2025/07
|
16
|
17
|
25
|
22
|
13
|
16
|
18
|
18
|
26
|
23
|
25
|
34
|
34
|
33
|
32
|
35
|
30
|
18
|
25
|
21
|
23
|
27
|
15
|
13
|
13
|
20
|
22
|
24
|
25
|
25
|
27
|
|
2025/06
|
18
|
29
|
45
|
46
|
33
|
39
|
28
|
29
|
30
|
38
|
38
|
37
|
45
|
35
|
59
|
52
|
43
|
28
|
28
|
40
|
25
|
26
|
23
|
26
|
20
|
19
|
26
|
26
|
27
|
13
|
|
|
2025/05
|
68
|
57
|
83
|
59
|
52
|
108
|
61
|
50
|
90
|
51
|
54
|
56
|
39
|
53
|
62
|
61
|
84
|
69
|
73
|
74
|
82
|
64
|
60
|
47
|
46
|
46
|
31
|
32
|
30
|
36
|
24
|
|
2025/04
|
60
|
77
|
72
|
68
|
89
|
64
|
57
|
62
|
71
|
68
|
86
|
498
|
259
|
85
|
59
|
70
|
77
|
97
|
105
|
57
|
55
|
81
|
82
|
57
|
57
|
50
|
39
|
45
|
52
|
51
|
|
|
2025/03
|
112
|
66
|
24
|
19
|
28
|
39
|
47
|
57
|
63
|
51
|
79
|
111
|
56
|
33
|
54
|
49
|
51
|
46
|
44
|
50
|
53
|
52
|
59
|
53
|
49
|
86
|
247
|
74
|
65
|
63
|
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