Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
33
O3
0.4
CO
3
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Nov
51
Good
Wed
26 Nov
53
Good
Thu
27 Nov
46
Excellent
Fri
28 Nov
58
Good
Sat
29 Nov
43
Excellent
Sun
30 Nov
46
Excellent
Mon
1 Dec
36
Excellent
Air quality in the last 12 months (Chicheng)
|
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
|
|
|
2025/08
|
35
|
43
|
20
|
30
|
17
|
15
|
15
|
21
|
16
|
19
|
32
|
22
|
18
|
28
|
40
|
16
|
24
|
30
|
18
|
18
|
20
|
21
|
20
|
19
|
19
|
21
|
13
|
20
|
30
|
30
|
25
|
|
2025/07
|
27
|
29
|
22
|
31
|
23
|
18
|
30
|
33
|
36
|
31
|
46
|
40
|
20
|
25
|
33
|
15
|
13
|
22
|
45
|
14
|
16
|
28
|
33
|
21
|
19
|
26
|
20
|
19
|
13
|
14
|
24
|
|
2025/06
|
43
|
11
|
10
|
14
|
27
|
21
|
16
|
28
|
29
|
24
|
41
|
62
|
43
|
38
|
11
|
17
|
27
|
42
|
26
|
17
|
18
|
28
|
36
|
45
|
50
|
55
|
57
|
42
|
37
|
34
|
|
|
2025/05
|
18
|
16
|
13
|
19
|
63
|
25
|
52
|
78
|
15
|
35
|
28
|
44
|
51
|
21
|
38
|
62
|
32
|
18
|
22
|
63
|
59
|
54
|
44
|
32
|
41
|
30
|
18
|
34
|
54
|
62
|
42
|
|
2025/04
|
20
|
15
|
43
|
51
|
17
|
41
|
47
|
27
|
28
|
37
|
100
|
61
|
57
|
39
|
35
|
73
|
55
|
11
|
20
|
50
|
60
|
30
|
47
|
18
|
29
|
53
|
12
|
26
|
45
|
24
|
|
|
2025/03
|
96
|
52
|
24
|
39
|
35
|
16
|
39
|
67
|
85
|
98
|
128
|
44
|
59
|
63
|
36
|
16
|
20
|
13
|
15
|
16
|
22
|
48
|
173
|
66
|
39
|
103
|
29
|
19
|
17
|
24
|
25
|
|
2025/02
|
60
|
35
|
8
|
13
|
22
|
38
|
12
|
12
|
15
|
40
|
69
|
26
|
42
|
42
|
70
|
18
|
13
|
17
|
13
|
13
|
12
|
14
|
13
|
26
|
27
|
36
|
64
|
68
|
|||
|
2025/01
|
43
|
15
|
20
|
29
|
34
|
10
|
8
|
13
|
13
|
18
|
35
|
19
|
18
|
11
|
22
|
38
|
47
|
48
|
30
|
41
|
32
|
23
|
57
|
72
|
93
|
100
|
10
|
13
|
74
|
35
|
58
|
|
2024/12
|
29
|
11
|
14
|
12
|
13
|
13
|
12
|
17
|
27
|
35
|
29
|
35
|
20
|
16
|
24
|
23
|
13
|
16
|
25
|
28
|
15
|
20
|
32
|
49
|
49
|
15
|
12
|
35
|
64
|
60
|
43
|
|
2024/11
|
58
|
67
|
44
|
11
|
21
|
25
|
56
|
98
|
116
|
90
|
49
|
39
|
71
|
60
|
41
|
43
|
24
|
31
|
55
|
52
|
21
|
17
|
45
|
75
|
30
|
14
|
12
|
8
|
13
|
22
|
|
|
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