Air Quality
Excellent
No health implications.
34
PM2.5
46
PM10
96
O3
0.5
CO
5
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
85
Good
Mon
15 Jun
83
Good
Tue
16 Jun
92
Good
Wed
17 Jun
61
Good
Thu
18 Jun
59
Good
Fri
19 Jun
78
Good
Sat
20 Jun
19
Excellent
Air quality in the last 12 months (Chenggu)
|
2026/05
|
38
|
45
|
44
|
37
|
49
|
42
|
42
|
41
|
37
|
52
|
60
|
59
|
48
|
38
|
39
|
24
|
15
|
29
|
29
|
28
|
53
|
46
|
43
|
39
|
31
|
42
|
39
|
48
|
40
|
38
|
51
|
|
2026/04
|
46
|
48
|
65
|
83
|
70
|
67
|
62
|
55
|
49
|
54
|
49
|
40
|
32
|
36
|
34
|
40
|
62
|
56
|
141
|
86
|
41
|
26
|
31
|
46
|
55
|
56
|
50
|
35
|
45
|
43
|
|
|
2026/03
|
13
|
18
|
33
|
46
|
55
|
53
|
31
|
24
|
28
|
39
|
50
|
89
|
127
|
32
|
18
|
25
|
21
|
45
|
60
|
61
|
67
|
64
|
63
|
46
|
44
|
49
|
47
|
51
|
48
|
27
|
36
|
|
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
|
|
|
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