Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
32
O3
0.4
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 May
47
Excellent
Sun
17 May
54
Good
Mon
18 May
56
Good
Tue
19 May
69
Good
Wed
20 May
75
Good
Thu
21 May
67
Good
Fri
22 May
35
Excellent
Air quality in the last 12 months (Xichong)
|
2026/04
|
35
|
25
|
37
|
69
|
69
|
39
|
26
|
21
|
29
|
40
|
29
|
29
|
27
|
26
|
25
|
32
|
46
|
47
|
64
|
95
|
13
|
19
|
31
|
44
|
56
|
56
|
48
|
25
|
30
|
35
|
|
|
2026/03
|
13
|
21
|
41
|
57
|
41
|
53
|
40
|
31
|
21
|
32
|
36
|
50
|
51
|
21
|
21
|
15
|
15
|
28
|
30
|
33
|
32
|
36
|
35
|
25
|
24
|
31
|
43
|
41
|
31
|
23
|
24
|
|
2026/02
|
56
|
63
|
69
|
75
|
86
|
72
|
65
|
51
|
49
|
53
|
55
|
56
|
75
|
76
|
63
|
47
|
93
|
81
|
66
|
72
|
67
|
78
|
62
|
49
|
42
|
35
|
46
|
24
|
|||
|
2026/01
|
25
|
33
|
36
|
47
|
52
|
50
|
65
|
83
|
88
|
99
|
138
|
142
|
117
|
95
|
138
|
121
|
149
|
144
|
28
|
27
|
36
|
43
|
51
|
60
|
68
|
88
|
74
|
86
|
75
|
19
|
43
|
|
2025/12
|
113
|
125
|
71
|
53
|
61
|
62
|
86
|
89
|
106
|
94
|
92
|
72
|
54
|
68
|
71
|
79
|
94
|
96
|
112
|
63
|
26
|
28
|
37
|
42
|
47
|
58
|
63
|
70
|
92
|
122
|
63
|
|
2025/11
|
37
|
32
|
41
|
33
|
39
|
37
|
13
|
22
|
17
|
12
|
36
|
45
|
47
|
42
|
29
|
34
|
20
|
30
|
46
|
52
|
59
|
74
|
80
|
68
|
65
|
64
|
77
|
75
|
80
|
98
|
|
|
2025/10
|
15
|
9
|
16
|
15
|
12
|
14
|
26
|
36
|
37
|
44
|
21
|
9
|
19
|
29
|
23
|
26
|
14
|
19
|
10
|
7
|
9
|
13
|
19
|
18
|
16
|
31
|
35
|
35
|
37
|
31
|
38
|
|
2025/09
|
36
|
40
|
21
|
26
|
22
|
22
|
20
|
21
|
21
|
27
|
21
|
11
|
20
|
30
|
38
|
43
|
20
|
12
|
10
|
15
|
10
|
7
|
10
|
16
|
26
|
30
|
22
|
12
|
13
|
14
|
|
|
2025/08
|
37
|
37
|
36
|
41
|
50
|
43
|
22
|
31
|
25
|
17
|
19
|
25
|
31
|
37
|
37
|
23
|
29
|
31
|
29
|
30
|
39
|
22
|
23
|
25
|
19
|
24
|
29
|
30
|
15
|
20
|
23
|
|
2025/07
|
21
|
21
|
20
|
24
|
14
|
24
|
19
|
18
|
20
|
24
|
24
|
29
|
38
|
43
|
42
|
41
|
43
|
26
|
26
|
21
|
21
|
17
|
14
|
16
|
17
|
22
|
28
|
33
|
42
|
34
|
30
|
|
2025/06
|
20
|
24
|
38
|
43
|
45
|
45
|
34
|
22
|
21
|
31
|
41
|
46
|
46
|
39
|
42
|
42
|
44
|
18
|
31
|
44
|
21
|
17
|
18
|
24
|
14
|
24
|
30
|
34
|
31
|
12
|
|
|
2025/05
|
42
|
61
|
67
|
38
|
35
|
57
|
52
|
34
|
119
|
79
|
56
|
65
|
49
|
59
|
90
|
99
|
92
|
105
|
84
|
76
|
78
|
62
|
71
|
63
|
53
|
44
|
41
|
25
|
23
|
30
|
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