Air Quality
Excellent
No health implications.
14
PM2.5
19
PM10
122
O3
0.8
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jun
91
Good
Sun
29 Jun
101
Light
Mon
30 Jun
102
Light
Tue
1 Jul
126
Light
Wed
2 Jul
89
Good
Thu
3 Jul
106
Light
Fri
4 Jul
41
Excellent
Air quality in the last 12 months (Xiyang)
|
2025/05
|
47
|
77
|
41
|
58
|
131
|
57
|
68
|
70
|
31
|
36
|
38
|
47
|
78
|
56
|
50
|
71
|
134
|
67
|
73
|
74
|
87
|
65
|
48
|
42
|
50
|
59
|
55
|
56
|
58
|
58
|
51
|
|
2025/04
|
56
|
36
|
71
|
97
|
48
|
71
|
97
|
70
|
74
|
51
|
126
|
143
|
53
|
28
|
47
|
123
|
224
|
76
|
57
|
85
|
68
|
45
|
77
|
40
|
71
|
74
|
63
|
47
|
53
|
96
|
|
|
2025/03
|
152
|
71
|
45
|
46
|
70
|
49
|
69
|
68
|
81
|
97
|
105
|
170
|
114
|
96
|
57
|
19
|
36
|
37
|
42
|
39
|
39
|
56
|
124
|
240
|
244
|
120
|
138
|
175
|
40
|
50
|
52
|
|
2025/02
|
125
|
93
|
34
|
35
|
31
|
103
|
36
|
23
|
50
|
68
|
98
|
56
|
54
|
63
|
64
|
69
|
55
|
62
|
68
|
76
|
104
|
78
|
32
|
48
|
53
|
71
|
89
|
91
|
|||
|
2025/01
|
84
|
77
|
54
|
65
|
72
|
33
|
34
|
33
|
31
|
50
|
56
|
38
|
71
|
45
|
43
|
44
|
71
|
65
|
52
|
62
|
74
|
69
|
74
|
66
|
104
|
70
|
23
|
27
|
82
|
141
|
91
|
|
2024/12
|
54
|
47
|
58
|
65
|
36
|
40
|
32
|
33
|
64
|
65
|
67
|
110
|
82
|
51
|
45
|
49
|
60
|
49
|
66
|
67
|
33
|
51
|
59
|
77
|
80
|
57
|
56
|
43
|
56
|
72
|
69
|
|
2024/11
|
46
|
58
|
63
|
30
|
50
|
62
|
94
|
166
|
208
|
174
|
139
|
135
|
100
|
56
|
66
|
62
|
55
|
62
|
58
|
55
|
58
|
61
|
85
|
113
|
52
|
31
|
45
|
35
|
36
|
49
|
|
|
2024/10
|
59
|
38
|
40
|
53
|
65
|
78
|
72
|
72
|
68
|
50
|
54
|
89
|
174
|
96
|
82
|
82
|
67
|
22
|
14
|
24
|
57
|
49
|
43
|
66
|
124
|
145
|
93
|
74
|
85
|
137
|
72
|
|
2024/09
|
45
|
18
|
25
|
44
|
22
|
34
|
50
|
52
|
70
|
21
|
24
|
36
|
49
|
48
|
38
|
52
|
55
|
56
|
47
|
37
|
17
|
35
|
48
|
58
|
83
|
99
|
91
|
101
|
84
|
18
|
|
|
2024/08
|
44
|
50
|
41
|
30
|
28
|
45
|
32
|
30
|
24
|
47
|
17
|
18
|
30
|
26
|
44
|
47
|
31
|
35
|
32
|
23
|
38
|
45
|
48
|
52
|
46
|
12
|
19
|
30
|
43
|
47
|
61
|
|
2024/07
|
33
|
27
|
59
|
60
|
88
|
58
|
68
|
56
|
50
|
65
|
65
|
62
|
47
|
61
|
74
|
39
|
34
|
38
|
45
|
45
|
46
|
55
|
57
|
53
|
23
|
33
|
34
|
39
|
32
|
13
|
30
|
|
2024/06
|
52
|
53
|
47
|
57
|
48
|
59
|
49
|
41
|
43
|
46
|
52
|
52
|
60
|
49
|
44
|
59
|
52
|
57
|
55
|
49
|
62
|
69
|
126
|
59
|
58
|
75
|
49
|
60
|
60
|
49
|
|
|
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