Air Quality
Excellent
No health implications.
3
PM2.5
15
PM10
28
O3
0.2
CO
1
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Jun
121
Light
Tue
2 Jun
108
Light
Wed
3 Jun
78
Good
Thu
4 Jun
77
Good
Fri
5 Jun
73
Good
Sat
6 Jun
41
Excellent
Sun
7 Jun
35
Excellent
Air quality in the last 12 months (Chicheng)
|
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
|
|
|
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
|
|
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