Air Quality
Excellent
No health implications.
24
PM2.5
43
PM10
90
O3
0.6
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
76
Good
Mon
20 May
81
Good
Tue
21 May
80
Good
Wed
22 May
87
Good
Thu
23 May
94
Good
Fri
24 May
95
Good
Sat
25 May
91
Good
Air quality in the last 12 months (Xixia)
|
2024/02
|
86
|
63
|
70
|
80
|
106
|
125
|
121
|
108
|
104
|
143
|
99
|
107
|
115
|
94
|
50
|
58
|
63
|
243
|
322
|
31
|
37
|
51
|
39
|
55
|
80
|
96
|
72
|
70
|
86
|
||
|
2024/01
|
105
|
86
|
53
|
64
|
64
|
82
|
69
|
84
|
92
|
144
|
137
|
116
|
174
|
172
|
57
|
74
|
74
|
91
|
56
|
72
|
77
|
29
|
48
|
48
|
56
|
61
|
71
|
77
|
107
|
131
|
176
|
|
2023/12
|
47
|
52
|
69
|
76
|
75
|
88
|
70
|
64
|
82
|
52
|
34
|
57
|
44
|
25
|
47
|
44
|
48
|
63
|
74
|
113
|
59
|
49
|
75
|
81
|
92
|
119
|
152
|
167
|
203
|
152
|
95
|
|
2023/11
|
41
|
53
|
55
|
31
|
28
|
32
|
40
|
54
|
71
|
43
|
44
|
50
|
79
|
84
|
74
|
120
|
66
|
55
|
57
|
66
|
91
|
87
|
70
|
51
|
52
|
60
|
70
|
65
|
68
|
48
|
|
|
2023/10
|
51
|
28
|
26
|
29
|
38
|
26
|
32
|
33
|
44
|
58
|
63
|
56
|
48
|
44
|
38
|
53
|
84
|
49
|
22
|
32
|
38
|
37
|
50
|
48
|
49
|
52
|
70
|
58
|
49
|
43
|
43
|
|
2023/09
|
39
|
43
|
42
|
45
|
51
|
54
|
53
|
46
|
48
|
46
|
45
|
27
|
33
|
45
|
42
|
39
|
44
|
34
|
24
|
29
|
28
|
36
|
28
|
22
|
20
|
21
|
19
|
21
|
20
|
34
|
|
|
2023/08
|
28
|
27
|
28
|
31
|
30
|
27
|
37
|
42
|
47
|
53
|
50
|
30
|
33
|
39
|
42
|
40
|
51
|
59
|
59
|
45
|
31
|
37
|
42
|
30
|
42
|
31
|
25
|
26
|
34
|
36
|
36
|
|
2023/07
|
40
|
44
|
29
|
32
|
47
|
42
|
32
|
39
|
36
|
35
|
33
|
32
|
25
|
46
|
46
|
43
|
52
|
48
|
41
|
36
|
30
|
37
|
40
|
36
|
31
|
32
|
34
|
28
|
18
|
23
|
25
|
|
2023/06
|
42
|
39
|
25
|
22
|
23
|
34
|
36
|
44
|
45
|
48
|
53
|
45
|
36
|
44
|
43
|
38
|
34
|
28
|
28
|
44
|
49
|
40
|
38
|
43
|
57
|
42
|
41
|
37
|
29
|
35
|
|
|
2023/05
|
73
|
63
|
42
|
22
|
51
|
39
|
36
|
45
|
47
|
32
|
37
|
48
|
54
|
54
|
53
|
52
|
44
|
58
|
59
|
49
|
42
|
28
|
29
|
29
|
35
|
38
|
18
|
18
|
27
|
27
|
37
|
|
2023/04
|
64
|
68
|
30
|
24
|
40
|
100
|
103
|
79
|
71
|
64
|
158
|
371
|
176
|
73
|
65
|
76
|
75
|
73
|
85
|
124
|
67
|
34
|
23
|
20
|
31
|
47
|
42
|
87
|
124
|
64
|
|
|
2023/03
|
88
|
72
|
70
|
65
|
64
|
73
|
73
|
67
|
66
|
56
|
121
|
92
|
79
|
65
|
97
|
47
|
29
|
45
|
61
|
71
|
66
|
84
|
279
|
120
|
99
|
74
|
61
|
58
|
61
|
62
|
65
|
|
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