Air Quality
Excellent
No health implications.
9
PM2.5
14
PM10
37
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Mar
46
Excellent
Thu
20 Mar
47
Excellent
Fri
21 Mar
48
Excellent
Sat
22 Mar
52
Good
Sun
23 Mar
62
Good
Mon
24 Mar
39
Excellent
Tue
25 Mar
45
Excellent
Air quality in the last 12 months (Chicheng)
|
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
|
|
|
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
|
|
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