Air Quality
Excellent
No health implications.
16
PM2.5
41
PM10
88
O3
0.4
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Apr
53
Good
Sun
21 Apr
72
Good
Mon
22 Apr
77
Good
Tue
23 Apr
49
Excellent
Wed
24 Apr
69
Good
Thu
25 Apr
85
Good
Fri
26 Apr
84
Good
Air quality in the last 12 months (Chicheng)
|
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
|
||
|
2024/01
|
45
|
45
|
23
|
38
|
24
|
18
|
21
|
43
|
37
|
32
|
44
|
38
|
57
|
24
|
27
|
39
|
75
|
83
|
71
|
35
|
21
|
21
|
22
|
23
|
23
|
35
|
28
|
36
|
59
|
94
|
45
|
|
2023/12
|
22
|
32
|
33
|
66
|
77
|
105
|
99
|
110
|
47
|
52
|
36
|
54
|
63
|
52
|
24
|
21
|
25
|
46
|
33
|
21
|
21
|
25
|
32
|
38
|
44
|
52
|
40
|
57
|
63
|
79
|
26
|
|
2023/11
|
80
|
111
|
29
|
60
|
40
|
31
|
26
|
32
|
20
|
17
|
17
|
18
|
19
|
26
|
52
|
23
|
18
|
28
|
55
|
55
|
79
|
69
|
19
|
16
|
35
|
65
|
32
|
21
|
21
|
20
|
|
|
2023/10
|
19
|
28
|
35
|
20
|
19
|
25
|
37
|
24
|
20
|
22
|
32
|
46
|
32
|
18
|
19
|
23
|
43
|
26
|
22
|
18
|
22
|
30
|
53
|
65
|
44
|
26
|
36
|
56
|
99
|
65
|
88
|
|
2023/09
|
22
|
30
|
29
|
40
|
60
|
58
|
54
|
45
|
25
|
27
|
26
|
19
|
27
|
39
|
46
|
51
|
52
|
24
|
16
|
17
|
25
|
23
|
22
|
29
|
28
|
40
|
31
|
20
|
25
|
18
|
|
|
2023/08
|
20
|
36
|
47
|
30
|
29
|
28
|
32
|
39
|
49
|
55
|
41
|
25
|
28
|
31
|
41
|
43
|
51
|
39
|
31
|
43
|
44
|
27
|
21
|
25
|
19
|
22
|
26
|
22
|
20
|
19
|
19
|
|
2023/07
|
72
|
83
|
64
|
41
|
59
|
42
|
27
|
25
|
27
|
34
|
53
|
35
|
24
|
31
|
30
|
28
|
48
|
58
|
65
|
68
|
42
|
32
|
30
|
39
|
45
|
41
|
40
|
26
|
30
|
17
|
15
|
|
2023/06
|
54
|
30
|
23
|
26
|
25
|
29
|
44
|
30
|
25
|
28
|
26
|
29
|
30
|
51
|
84
|
96
|
89
|
84
|
69
|
30
|
30
|
48
|
76
|
76
|
75
|
52
|
52
|
42
|
36
|
56
|
|
|
2023/05
|
49
|
73
|
76
|
55
|
24
|
28
|
29
|
32
|
46
|
49
|
44
|
36
|
28
|
49
|
66
|
110
|
58
|
41
|
124
|
270
|
56
|
26
|
31
|
49
|
52
|
54
|
59
|
42
|
49
|
41
|
43
|
|
2023/04
|
67
|
79
|
37
|
30
|
34
|
43
|
36
|
41
|
83
|
268
|
285
|
110
|
192
|
223
|
61
|
34
|
75
|
53
|
130
|
58
|
31
|
30
|
37
|
41
|
74
|
36
|
87
|
78
|
36
|
31
|
|
|
2023/03
|
20
|
30
|
42
|
53
|
124
|
87
|
61
|
86
|
90
|
263
|
84
|
67
|
72
|
161
|
85
|
34
|
60
|
30
|
49
|
95
|
131
|
348
|
71
|
47
|
40
|
33
|
43
|
53
|
63
|
64
|
72
|
|
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