Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
47
O3
0.5
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Jun
58
Good
Tue
10 Jun
77
Good
Wed
11 Jun
76
Good
Thu
12 Jun
95
Good
Fri
13 Jun
92
Good
Sat
14 Jun
21
Excellent
Sun
15 Jun
46
Excellent
Air quality in the last 12 months (Chenggu)
|
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
|
|
2025/02
|
99
|
56
|
38
|
63
|
82
|
53
|
59
|
67
|
72
|
81
|
88
|
68
|
68
|
61
|
54
|
60
|
63
|
62
|
70
|
98
|
124
|
97
|
57
|
70
|
68
|
51
|
57
|
78
|
|||
|
2025/01
|
127
|
113
|
111
|
158
|
171
|
199
|
195
|
110
|
86
|
83
|
74
|
78
|
93
|
95
|
68
|
68
|
109
|
120
|
103
|
107
|
126
|
190
|
249
|
137
|
38
|
65
|
75
|
110
|
219
|
228
|
163
|
|
2024/12
|
88
|
108
|
117
|
68
|
73
|
71
|
80
|
77
|
70
|
79
|
73
|
75
|
38
|
58
|
80
|
94
|
102
|
95
|
85
|
126
|
135
|
100
|
74
|
106
|
109
|
119
|
82
|
67
|
123
|
131
|
112
|
|
2024/11
|
45
|
33
|
42
|
48
|
44
|
55
|
70
|
78
|
71
|
61
|
64
|
65
|
48
|
32
|
37
|
33
|
13
|
11
|
22
|
29
|
34
|
50
|
61
|
53
|
23
|
46
|
56
|
53
|
59
|
73
|
|
|
2024/10
|
27
|
29
|
38
|
47
|
53
|
52
|
50
|
60
|
39
|
35
|
43
|
42
|
48
|
40
|
38
|
49
|
53
|
40
|
34
|
12
|
15
|
27
|
40
|
52
|
52
|
35
|
24
|
33
|
49
|
60
|
51
|
|
2024/09
|
34
|
41
|
34
|
28
|
17
|
37
|
26
|
33
|
30
|
22
|
42
|
33
|
31
|
23
|
32
|
21
|
25
|
35
|
34
|
26
|
18
|
27
|
36
|
51
|
53
|
55
|
65
|
67
|
41
|
14
|
|
|
2024/08
|
33
|
35
|
26
|
18
|
20
|
24
|
27
|
26
|
28
|
54
|
60
|
45
|
40
|
34
|
28
|
31
|
30
|
18
|
27
|
28
|
29
|
39
|
41
|
42
|
33
|
29
|
26
|
26
|
32
|
36
|
35
|
|
2024/07
|
22
|
25
|
28
|
27
|
17
|
21
|
22
|
15
|
14
|
18
|
18
|
25
|
36
|
21
|
20
|
26
|
17
|
19
|
18
|
22
|
25
|
32
|
34
|
56
|
65
|
55
|
50
|
43
|
32
|
26
|
26
|
|
2024/06
|
60
|
38
|
42
|
26
|
24
|
31
|
27
|
28
|
32
|
40
|
36
|
34
|
35
|
35
|
36
|
25
|
25
|
24
|
29
|
22
|
11
|
27
|
34
|
37
|
29
|
30
|
26
|
32
|
38
|
42
|
|
|
2024/05
|
24
|
27
|
19
|
24
|
28
|
49
|
50
|
48
|
27
|
37
|
68
|
63
|
64
|
58
|
59
|
56
|
61
|
70
|
28
|
29
|
38
|
46
|
42
|
44
|
40
|
25
|
42
|
45
|
30
|
42
|
58
|
|
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