Air Quality
Excellent
No health implications.
21
PM2.5
42
PM10
148
O3
0.5
CO
7
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 May
96
Good
Sat
31 May
61
Good
Sun
1 Jun
55
Good
Mon
2 Jun
60
Good
Tue
3 Jun
79
Good
Wed
4 Jun
92
Good
Thu
5 Jun
24
Excellent
Air quality in the last 12 months (Xichuan)
|
2025/04
|
60
|
57
|
50
|
66
|
70
|
68
|
64
|
61
|
69
|
66
|
62
|
233
|
109
|
64
|
45
|
65
|
73
|
74
|
61
|
56
|
51
|
119
|
97
|
67
|
62
|
62
|
54
|
41
|
42
|
65
|
|
|
2025/03
|
86
|
23
|
28
|
37
|
49
|
68
|
68
|
68
|
67
|
68
|
71
|
87
|
82
|
58
|
37
|
37
|
32
|
35
|
35
|
35
|
41
|
51
|
59
|
63
|
45
|
73
|
114
|
90
|
66
|
61
|
59
|
|
2025/02
|
100
|
88
|
62
|
50
|
39
|
40
|
82
|
38
|
54
|
72
|
93
|
71
|
64
|
68
|
63
|
63
|
69
|
71
|
84
|
85
|
95
|
96
|
97
|
104
|
74
|
68
|
89
|
98
|
|||
|
2025/01
|
95
|
124
|
148
|
147
|
71
|
58
|
54
|
49
|
53
|
63
|
64
|
63
|
77
|
68
|
51
|
51
|
63
|
87
|
85
|
89
|
116
|
200
|
123
|
58
|
47
|
55
|
57
|
103
|
202
|
143
|
128
|
|
2024/12
|
43
|
51
|
63
|
80
|
53
|
56
|
49
|
67
|
72
|
81
|
87
|
115
|
53
|
41
|
44
|
61
|
74
|
72
|
56
|
73
|
55
|
59
|
67
|
83
|
75
|
98
|
110
|
42
|
70
|
69
|
63
|
|
2024/11
|
57
|
50
|
51
|
49
|
47
|
59
|
77
|
75
|
69
|
74
|
103
|
115
|
87
|
45
|
47
|
27
|
17
|
32
|
30
|
29
|
35
|
53
|
105
|
75
|
32
|
28
|
45
|
41
|
34
|
41
|
|
|
2024/10
|
42
|
45
|
44
|
47
|
57
|
59
|
61
|
80
|
72
|
49
|
63
|
75
|
70
|
59
|
58
|
118
|
67
|
23
|
28
|
28
|
31
|
26
|
29
|
40
|
66
|
58
|
38
|
66
|
78
|
81
|
82
|
|
2024/09
|
35
|
36
|
38
|
37
|
38
|
27
|
41
|
51
|
48
|
42
|
27
|
29
|
31
|
41
|
35
|
41
|
34
|
31
|
24
|
25
|
24
|
26
|
38
|
51
|
52
|
60
|
63
|
59
|
47
|
14
|
|
|
2024/08
|
20
|
21
|
22
|
20
|
20
|
16
|
20
|
30
|
33
|
85
|
63
|
25
|
27
|
30
|
36
|
36
|
32
|
24
|
21
|
27
|
21
|
28
|
38
|
40
|
36
|
33
|
22
|
23
|
34
|
33
|
31
|
|
2024/07
|
24
|
25
|
32
|
15
|
21
|
18
|
24
|
22
|
22
|
42
|
32
|
28
|
32
|
34
|
18
|
27
|
17
|
16
|
18
|
21
|
25
|
29
|
27
|
33
|
47
|
34
|
28
|
25
|
16
|
16
|
13
|
|
2024/06
|
63
|
57
|
44
|
32
|
22
|
42
|
37
|
41
|
39
|
34
|
36
|
37
|
33
|
35
|
46
|
42
|
24
|
35
|
36
|
31
|
25
|
32
|
33
|
83
|
89
|
55
|
50
|
30
|
27
|
33
|
|
|
2024/05
|
27
|
35
|
35
|
32
|
29
|
37
|
51
|
53
|
50
|
48
|
76
|
65
|
68
|
61
|
65
|
44
|
50
|
52
|
49
|
39
|
48
|
46
|
44
|
53
|
63
|
27
|
49
|
47
|
39
|
36
|
54
|
|
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