Air Quality
Excellent
No health implications.
26
PM2.5
36
PM10
133
O3
0.3
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
81
Good
Wed
14 May
75
Good
Thu
15 May
78
Good
Fri
16 May
76
Good
Sat
17 May
71
Good
Sun
18 May
85
Good
Mon
19 May
46
Excellent
Air quality in the last 12 months (Xichong)
|
2025/02
|
55
|
43
|
33
|
46
|
43
|
28
|
27
|
27
|
45
|
53
|
57
|
57
|
43
|
38
|
46
|
52
|
50
|
48
|
54
|
49
|
34
|
41
|
31
|
36
|
39
|
58
|
63
|
58
|
|||
|
2025/01
|
98
|
116
|
162
|
88
|
59
|
78
|
70
|
51
|
53
|
53
|
45
|
60
|
69
|
80
|
76
|
55
|
78
|
69
|
101
|
97
|
98
|
128
|
161
|
74
|
25
|
65
|
66
|
73
|
211
|
113
|
54
|
|
2024/12
|
61
|
84
|
91
|
63
|
34
|
24
|
24
|
30
|
33
|
48
|
48
|
52
|
38
|
47
|
65
|
74
|
86
|
108
|
91
|
80
|
87
|
87
|
79
|
71
|
81
|
92
|
79
|
55
|
76
|
90
|
110
|
|
2024/11
|
27
|
23
|
37
|
34
|
26
|
38
|
51
|
61
|
37
|
31
|
35
|
38
|
40
|
34
|
35
|
22
|
13
|
9
|
13
|
21
|
31
|
41
|
44
|
33
|
15
|
31
|
35
|
51
|
65
|
65
|
|
|
2024/10
|
20
|
31
|
30
|
38
|
44
|
45
|
41
|
43
|
40
|
40
|
42
|
27
|
28
|
34
|
32
|
45
|
30
|
25
|
28
|
12
|
15
|
22
|
36
|
41
|
37
|
35
|
18
|
38
|
50
|
55
|
37
|
|
2024/09
|
46
|
48
|
40
|
39
|
35
|
50
|
36
|
33
|
30
|
20
|
26
|
31
|
42
|
37
|
42
|
34
|
42
|
43
|
47
|
40
|
19
|
25
|
31
|
44
|
54
|
65
|
76
|
66
|
41
|
12
|
|
|
2024/08
|
34
|
35
|
27
|
21
|
21
|
30
|
32
|
34
|
28
|
43
|
53
|
54
|
54
|
52
|
33
|
25
|
37
|
35
|
44
|
48
|
46
|
50
|
46
|
42
|
34
|
39
|
41
|
42
|
37
|
42
|
40
|
|
2024/07
|
19
|
27
|
25
|
25
|
20
|
29
|
30
|
25
|
23
|
25
|
20
|
30
|
26
|
22
|
28
|
30
|
26
|
26
|
27
|
20
|
30
|
30
|
27
|
38
|
65
|
61
|
48
|
34
|
30
|
32
|
33
|
|
2024/06
|
49
|
25
|
30
|
19
|
27
|
29
|
28
|
23
|
19
|
33
|
31
|
27
|
40
|
42
|
48
|
29
|
21
|
23
|
25
|
21
|
16
|
27
|
42
|
45
|
28
|
24
|
20
|
19
|
32
|
36
|
|
|
2024/05
|
26
|
21
|
20
|
33
|
59
|
92
|
109
|
93
|
60
|
50
|
58
|
63
|
54
|
56
|
47
|
50
|
56
|
65
|
31
|
20
|
26
|
38
|
45
|
40
|
41
|
17
|
33
|
32
|
21
|
27
|
43
|
|
2024/04
|
33
|
34
|
48
|
45
|
19
|
22
|
26
|
40
|
32
|
24
|
34
|
36
|
46
|
46
|
58
|
35
|
38
|
42
|
49
|
73
|
68
|
42
|
34
|
32
|
38
|
47
|
51
|
47
|
30
|
17
|
|
|
2024/03
|
59
|
55
|
61
|
70
|
67
|
56
|
56
|
76
|
51
|
57
|
67
|
58
|
39
|
57
|
62
|
58
|
63
|
20
|
40
|
55
|
59
|
60
|
66
|
37
|
21
|
35
|
33
|
44
|
50
|
40
|
35
|
|
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