Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
16
PM2.5
36
PM10
177
O3
0.5
CO
9
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 Jun
95
Good
Sat
27 Jun
113
Light
Sun
28 Jun
116
Light
Mon
29 Jun
110
Light
Tue
30 Jun
108
Light
Wed
1 Jul
109
Light
Thu
2 Jul
48
Excellent
Air quality in the last 12 months (Chengcheng)
|
2026/05
|
46
|
37
|
36
|
45
|
47
|
50
|
43
|
42
|
43
|
58
|
69
|
72
|
49
|
34
|
52
|
45
|
25
|
24
|
36
|
34
|
39
|
32
|
41
|
48
|
34
|
37
|
53
|
54
|
45
|
42
|
47
|
|
2026/04
|
48
|
63
|
112
|
84
|
78
|
79
|
78
|
72
|
60
|
58
|
57
|
61
|
55
|
51
|
48
|
45
|
46
|
56
|
142
|
120
|
40
|
25
|
42
|
48
|
54
|
60
|
97
|
78
|
57
|
51
|
|
|
2026/03
|
18
|
40
|
72
|
75
|
71
|
47
|
49
|
76
|
79
|
123
|
93
|
106
|
137
|
51
|
44
|
68
|
68
|
88
|
83
|
82
|
80
|
102
|
83
|
63
|
74
|
68
|
60
|
68
|
56
|
48
|
48
|
|
2026/02
|
116
|
84
|
72
|
111
|
117
|
83
|
50
|
49
|
68
|
118
|
102
|
97
|
91
|
95
|
68
|
56
|
172
|
98
|
71
|
58
|
164
|
415
|
113
|
56
|
68
|
69
|
49
|
34
|
|||
|
2026/01
|
80
|
109
|
154
|
99
|
60
|
41
|
50
|
58
|
62
|
67
|
61
|
67
|
80
|
102
|
108
|
86
|
95
|
101
|
48
|
33
|
45
|
70
|
98
|
110
|
97
|
149
|
137
|
133
|
110
|
129
|
130
|
|
2025/12
|
81
|
60
|
51
|
70
|
84
|
120
|
97
|
81
|
99
|
119
|
114
|
73
|
89
|
99
|
101
|
105
|
89
|
99
|
94
|
51
|
65
|
86
|
87
|
89
|
57
|
64
|
87
|
108
|
107
|
91
|
79
|
|
2025/11
|
63
|
68
|
71
|
83
|
89
|
67
|
34
|
45
|
81
|
92
|
85
|
75
|
58
|
79
|
88
|
71
|
25
|
33
|
49
|
66
|
75
|
85
|
70
|
98
|
79
|
144
|
149
|
101
|
95
|
89
|
|
|
2025/10
|
35
|
26
|
31
|
32
|
27
|
14
|
15
|
20
|
21
|
17
|
14
|
17
|
27
|
41
|
26
|
30
|
20
|
24
|
38
|
26
|
28
|
43
|
63
|
73
|
56
|
46
|
55
|
63
|
76
|
85
|
66
|
|
2025/09
|
35
|
32
|
18
|
10
|
30
|
48
|
57
|
51
|
40
|
36
|
23
|
22
|
36
|
45
|
43
|
32
|
21
|
13
|
17
|
37
|
16
|
14
|
22
|
30
|
37
|
33
|
32
|
34
|
40
|
52
|
|
|
2025/08
|
34
|
39
|
39
|
41
|
29
|
34
|
33
|
26
|
24
|
27
|
34
|
39
|
46
|
43
|
33
|
19
|
23
|
30
|
28
|
26
|
42
|
45
|
29
|
23
|
36
|
40
|
31
|
20
|
23
|
32
|
32
|
|
2025/07
|
24
|
17
|
26
|
31
|
21
|
33
|
30
|
35
|
37
|
35
|
43
|
48
|
43
|
36
|
43
|
47
|
42
|
40
|
40
|
25
|
30
|
38
|
21
|
18
|
22
|
27
|
31
|
33
|
36
|
35
|
35
|
|
2025/06
|
41
|
43
|
47
|
54
|
44
|
55
|
57
|
52
|
56
|
55
|
58
|
52
|
54
|
48
|
51
|
59
|
52
|
36
|
26
|
37
|
34
|
36
|
37
|
41
|
37
|
24
|
33
|
24
|
31
|
25
|
|
|
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