Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
28
O3
0.6
CO
4
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Feb
48
Excellent
Mon
10 Feb
64
Good
Tue
11 Feb
70
Good
Wed
12 Feb
46
Excellent
Thu
13 Feb
49
Excellent
Fri
14 Feb
53
Good
Sat
15 Feb
33
Excellent
Air quality in the last 12 months (Chicheng)
|
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
|
|
|
2024/10
|
7
|
12
|
20
|
41
|
58
|
51
|
9
|
16
|
32
|
16
|
33
|
55
|
76
|
51
|
26
|
47
|
54
|
16
|
9
|
18
|
39
|
12
|
29
|
37
|
81
|
113
|
14
|
24
|
33
|
39
|
99
|
|
2024/09
|
17
|
11
|
20
|
30
|
11
|
13
|
11
|
19
|
27
|
10
|
13
|
12
|
15
|
11
|
14
|
20
|
14
|
21
|
38
|
18
|
8
|
9
|
21
|
38
|
20
|
26
|
44
|
44
|
44
|
8
|
|
|
2024/08
|
14
|
24
|
26
|
20
|
16
|
25
|
41
|
34
|
31
|
43
|
10
|
11
|
11
|
19
|
28
|
29
|
28
|
18
|
17
|
15
|
11
|
17
|
21
|
19
|
19
|
11
|
17
|
20
|
25
|
33
|
40
|
|
2024/07
|
17
|
27
|
24
|
31
|
38
|
27
|
23
|
34
|
59
|
59
|
56
|
32
|
30
|
43
|
52
|
26
|
12
|
17
|
27
|
21
|
47
|
29
|
45
|
38
|
15
|
17
|
31
|
26
|
22
|
21
|
13
|
|
2024/06
|
16
|
19
|
27
|
41
|
49
|
45
|
17
|
27
|
20
|
20
|
23
|
26
|
30
|
19
|
16
|
20
|
34
|
47
|
54
|
61
|
48
|
310
|
133
|
14
|
19
|
45
|
60
|
50
|
54
|
28
|
|
|
2024/05
|
27
|
41
|
47
|
57
|
60
|
33
|
34
|
40
|
62
|
155
|
115
|
27
|
29
|
38
|
20
|
49
|
52
|
65
|
64
|
27
|
45
|
54
|
74
|
34
|
17
|
23
|
24
|
27
|
53
|
27
|
9
|
|
2024/04
|
69
|
73
|
54
|
59
|
52
|
37
|
36
|
61
|
59
|
46
|
55
|
101
|
73
|
90
|
106
|
40
|
54
|
55
|
64
|
30
|
49
|
73
|
16
|
43
|
107
|
81
|
89
|
23
|
11
|
21
|
|
|
2024/03
|
22
|
75
|
29
|
47
|
55
|
17
|
21
|
17
|
37
|
64
|
42
|
18
|
37
|
40
|
74
|
111
|
28
|
163
|
64
|
25
|
62
|
40
|
51
|
62
|
41
|
82
|
174
|
192
|
107
|
26
|
55
|
|
2024/02
|
23
|
39
|
41
|
39
|
52
|
32
|
25
|
28
|
44
|
92
|
40
|
65
|
86
|
50
|
29
|
53
|
63
|
61
|
26
|
22
|
23
|
23
|
22
|
35
|
36
|
47
|
70
|
49
|
24
|
||
|
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