Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
41
O3
0.9
CO
8
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Nov
43
Excellent
Mon
9 Nov
35
Excellent
Tue
10 Nov
34
Excellent
Wed
11 Nov
64
Good
Thu
12 Nov
68
Good
Fri
13 Nov
47
Excellent
Sat
14 Nov
28
Excellent
Air quality in the last 12 months (Chengzhong)
|
2026/08
|
20
|
22
|
22
|
19
|
20
|
33
|
39
|
39
|
34
|
32
|
38
|
42
|
20
|
18
|
23
|
28
|
26
|
36
|
29
|
26
|
34
|
38
|
37
|
35
|
26
|
24
|
27
|
22
|
35
|
22
|
31
|
|
2026/07
|
27
|
24
|
26
|
20
|
13
|
11
|
13
|
17
|
20
|
26
|
26
|
37
|
38
|
39
|
21
|
19
|
20
|
22
|
28
|
21
|
25
|
32
|
28
|
32
|
49
|
53
|
48
|
32
|
21
|
15
|
17
|
|
2026/06
|
44
|
41
|
31
|
30
|
26
|
31
|
23
|
23
|
26
|
31
|
43
|
53
|
29
|
20
|
38
|
29
|
24
|
18
|
20
|
25
|
26
|
26
|
25
|
26
|
17
|
21
|
27
|
37
|
30
|
26
|
|
|
2026/05
|
46
|
48
|
24
|
38
|
41
|
42
|
31
|
26
|
29
|
54
|
64
|
56
|
33
|
34
|
35
|
33
|
22
|
22
|
18
|
26
|
22
|
22
|
30
|
30
|
31
|
34
|
34
|
34
|
38
|
21
|
31
|
|
2026/04
|
34
|
75
|
46
|
38
|
53
|
74
|
46
|
55
|
55
|
65
|
71
|
75
|
54
|
50
|
44
|
48
|
27
|
38
|
58
|
49
|
43
|
25
|
16
|
29
|
48
|
61
|
42
|
23
|
24
|
30
|
|
|
2026/03
|
45
|
14
|
16
|
30
|
56
|
39
|
55
|
53
|
13
|
23
|
40
|
56
|
55
|
81
|
72
|
63
|
66
|
43
|
32
|
27
|
29
|
72
|
96
|
61
|
48
|
92
|
49
|
32
|
58
|
44
|
36
|
|
2026/02
|
34
|
51
|
75
|
170
|
158
|
62
|
41
|
25
|
47
|
28
|
21
|
31
|
40
|
55
|
72
|
61
|
23
|
36
|
40
|
53
|
122
|
205
|
107
|
46
|
36
|
71
|
25
|
30
|
|||
|
2026/01
|
24
|
22
|
33
|
57
|
19
|
39
|
55
|
79
|
97
|
111
|
67
|
109
|
135
|
116
|
144
|
119
|
174
|
98
|
77
|
21
|
16
|
26
|
35
|
54
|
125
|
71
|
23
|
41
|
88
|
49
|
16
|
|
2025/12
|
97
|
83
|
73
|
77
|
62
|
68
|
91
|
61
|
76
|
104
|
144
|
97
|
23
|
44
|
56
|
72
|
68
|
61
|
81
|
79
|
67
|
66
|
77
|
12
|
38
|
56
|
60
|
75
|
89
|
80
|
68
|
|
2025/11
|
32
|
34
|
13
|
10
|
26
|
42
|
38
|
24
|
12
|
13
|
14
|
28
|
39
|
42
|
50
|
55
|
55
|
22
|
22
|
27
|
26
|
45
|
64
|
46
|
43
|
52
|
51
|
66
|
74
|
95
|
|
|
2025/10
|
39
|
31
|
29
|
34
|
29
|
15
|
25
|
37
|
42
|
44
|
45
|
46
|
32
|
25
|
26
|
41
|
46
|
35
|
15
|
13
|
15
|
13
|
26
|
41
|
43
|
41
|
35
|
36
|
40
|
53
|
30
|
|
2025/09
|
31
|
26
|
22
|
26
|
31
|
31
|
34
|
34
|
15
|
23
|
17
|
20
|
25
|
34
|
22
|
27
|
21
|
31
|
37
|
33
|
17
|
15
|
25
|
17
|
11
|
20
|
28
|
31
|
34
|
43
|
|
|
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