Air Quality
Excellent
No health implications.
16
PM2.5
24
PM10
54
O3
0.3
CO
7
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Jun
43
Excellent
Sat
7 Jun
44
Excellent
Sun
8 Jun
46
Excellent
Mon
9 Jun
51
Good
Tue
10 Jun
41
Excellent
Wed
11 Jun
64
Good
Thu
12 Jun
15
Excellent
Air quality in the last 12 months (Chengzhong)
|
2025/04
|
40
|
60
|
74
|
73
|
89
|
96
|
107
|
88
|
101
|
99
|
53
|
59
|
129
|
161
|
114
|
108
|
100
|
79
|
55
|
43
|
45
|
42
|
30
|
31
|
24
|
35
|
41
|
34
|
50
|
49
|
|
|
2025/03
|
50
|
52
|
57
|
29
|
18
|
17
|
26
|
40
|
34
|
41
|
57
|
58
|
38
|
33
|
11
|
32
|
50
|
32
|
39
|
71
|
79
|
85
|
89
|
89
|
85
|
57
|
54
|
75
|
23
|
17
|
21
|
|
2025/02
|
27
|
10
|
17
|
50
|
67
|
29
|
19
|
58
|
39
|
66
|
140
|
148
|
55
|
74
|
33
|
29
|
30
|
25
|
26
|
18
|
17
|
19
|
12
|
40
|
63
|
35
|
43
|
56
|
|||
|
2025/01
|
141
|
104
|
85
|
101
|
92
|
105
|
80
|
74
|
56
|
46
|
50
|
100
|
105
|
104
|
74
|
67
|
72
|
111
|
111
|
128
|
113
|
102
|
137
|
91
|
56
|
17
|
44
|
58
|
118
|
119
|
90
|
|
2024/12
|
76
|
96
|
93
|
79
|
76
|
30
|
17
|
34
|
67
|
73
|
15
|
32
|
45
|
57
|
44
|
49
|
92
|
60
|
66
|
92
|
97
|
86
|
90
|
85
|
104
|
88
|
80
|
79
|
87
|
110
|
94
|
|
2024/11
|
43
|
51
|
65
|
86
|
63
|
65
|
51
|
56
|
63
|
62
|
71
|
66
|
70
|
64
|
59
|
48
|
39
|
23
|
19
|
17
|
23
|
29
|
33
|
44
|
52
|
23
|
29
|
41
|
50
|
66
|
|
|
2024/10
|
28
|
28
|
50
|
55
|
60
|
57
|
58
|
42
|
37
|
45
|
54
|
58
|
64
|
55
|
26
|
38
|
35
|
27
|
21
|
17
|
30
|
30
|
28
|
34
|
38
|
39
|
32
|
23
|
41
|
46
|
51
|
|
2024/09
|
30
|
42
|
32
|
29
|
46
|
38
|
15
|
18
|
23
|
24
|
27
|
37
|
43
|
38
|
37
|
29
|
27
|
34
|
39
|
34
|
28
|
18
|
28
|
35
|
42
|
29
|
46
|
52
|
37
|
48
|
|
|
2024/08
|
19
|
19
|
21
|
27
|
32
|
33
|
35
|
27
|
27
|
27
|
27
|
24
|
16
|
19
|
29
|
36
|
28
|
27
|
30
|
30
|
20
|
17
|
27
|
26
|
31
|
34
|
39
|
43
|
36
|
33
|
38
|
|
2024/07
|
23
|
11
|
22
|
22
|
22
|
23
|
22
|
23
|
24
|
24
|
26
|
28
|
27
|
22
|
22
|
25
|
23
|
19
|
23
|
27
|
33
|
33
|
22
|
18
|
37
|
52
|
43
|
17
|
17
|
12
|
13
|
|
2024/06
|
26
|
31
|
28
|
20
|
15
|
21
|
29
|
26
|
15
|
22
|
20
|
22
|
28
|
20
|
30
|
28
|
25
|
23
|
27
|
26
|
24
|
21
|
20
|
16
|
12
|
12
|
17
|
17
|
19
|
19
|
|
|
2024/05
|
14
|
23
|
36
|
32
|
22
|
47
|
58
|
53
|
34
|
35
|
39
|
23
|
55
|
58
|
62
|
56
|
60
|
36
|
14
|
22
|
26
|
33
|
48
|
45
|
39
|
19
|
26
|
29
|
41
|
22
|
15
|
|
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