Air Quality
Excellent
No health implications.
14
PM2.5
24
PM10
15
O3
0.5
CO
6
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jun
43
Excellent
Fri
26 Jun
66
Good
Sat
27 Jun
80
Good
Sun
28 Jun
85
Good
Mon
29 Jun
87
Good
Tue
30 Jun
47
Excellent
Wed
1 Jul
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