Air Quality
Excellent
No health implications.
3
PM2.5
9
PM10
17
O3
0.3
CO
2
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Sep
53
Good
Mon
28 Sep
71
Good
Tue
29 Sep
63
Good
Wed
30 Sep
50
Excellent
Thu
1 Oct
47
Excellent
Fri
2 Oct
52
Good
Sat
3 Oct
31
Excellent
Air quality in the last 12 months (Chicheng)
|
2026/08
|
23
|
26
|
23
|
21
|
22
|
23
|
22
|
21
|
31
|
41
|
36
|
22
|
18
|
20
|
27
|
19
|
16
|
24
|
30
|
37
|
45
|
40
|
35
|
30
|
30
|
23
|
21
|
25
|
21
|
18
|
17
|
|
2026/07
|
31
|
39
|
54
|
34
|
26
|
24
|
26
|
28
|
37
|
29
|
24
|
32
|
43
|
27
|
32
|
24
|
32
|
27
|
32
|
34
|
30
|
27
|
27
|
27
|
35
|
36
|
35
|
34
|
27
|
24
|
26
|
|
2026/06
|
33
|
55
|
30
|
22
|
23
|
21
|
18
|
19
|
17
|
18
|
23
|
32
|
38
|
28
|
41
|
34
|
29
|
40
|
46
|
24
|
25
|
33
|
31
|
33
|
27
|
28
|
38
|
54
|
47
|
32
|
|
|
2026/05
|
48
|
39
|
22
|
31
|
52
|
43
|
28
|
35
|
60
|
42
|
33
|
66
|
76
|
79
|
70
|
48
|
23
|
27
|
39
|
42
|
35
|
33
|
45
|
59
|
48
|
34
|
35
|
29
|
28
|
37
|
40
|
|
2026/04
|
33
|
58
|
72
|
58
|
45
|
25
|
28
|
57
|
36
|
28
|
40
|
52
|
59
|
67
|
76
|
62
|
49
|
69
|
130
|
78
|
41
|
51
|
59
|
55
|
57
|
44
|
40
|
24
|
25
|
37
|
|
|
2026/03
|
68
|
79
|
48
|
42
|
49
|
22
|
42
|
60
|
21
|
47
|
23
|
67
|
81
|
30
|
49
|
52
|
79
|
27
|
35
|
36
|
68
|
51
|
68
|
89
|
85
|
55
|
26
|
54
|
39
|
25
|
36
|
|
2026/02
|
14
|
16
|
40
|
52
|
23
|
11
|
10
|
19
|
44
|
47
|
29
|
51
|
55
|
47
|
19
|
21
|
77
|
31
|
51
|
90
|
211
|
32
|
31
|
46
|
83
|
54
|
40
|
50
|
|||
|
2026/01
|
27
|
20
|
35
|
30
|
18
|
26
|
25
|
49
|
63
|
23
|
19
|
37
|
27
|
57
|
97
|
35
|
23
|
29
|
14
|
15
|
14
|
29
|
29
|
24
|
30
|
42
|
22
|
47
|
55
|
61
|
40
|
|
2025/12
|
22
|
21
|
26
|
22
|
37
|
56
|
34
|
29
|
51
|
76
|
34
|
34
|
21
|
44
|
61
|
45
|
30
|
76
|
84
|
17
|
21
|
47
|
42
|
22
|
17
|
27
|
42
|
47
|
21
|
22
|
21
|
|
2025/11
|
14
|
11
|
38
|
47
|
83
|
86
|
48
|
44
|
21
|
23
|
43
|
49
|
21
|
45
|
57
|
19
|
16
|
20
|
32
|
21
|
33
|
47
|
77
|
39
|
33
|
60
|
31
|
66
|
82
|
79
|
|
|
2025/10
|
31
|
40
|
30
|
30
|
33
|
23
|
27
|
15
|
7
|
10
|
22
|
23
|
33
|
41
|
40
|
33
|
9
|
12
|
12
|
15
|
18
|
27
|
39
|
52
|
47
|
13
|
17
|
48
|
94
|
59
|
30
|
|
2025/09
|
18
|
31
|
42
|
39
|
35
|
21
|
18
|
17
|
36
|
36
|
44
|
44
|
40
|
18
|
17
|
16
|
13
|
12
|
17
|
23
|
25
|
28
|
21
|
22
|
24
|
31
|
34
|
26
|
20
|
21
|
|
|
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