Air Quality
Excellent
No health implications.
33
PM2.5
45
PM10
79
O3
0.3
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 May
74
Good
Sun
4 May
135
Light
Mon
5 May
129
Light
Tue
6 May
69
Good
Wed
7 May
115
Light
Thu
8 May
44
Excellent
Fri
9 May
37
Excellent
Air quality in the last 12 months (Xixia)
|
2025/02
|
100
|
41
|
38
|
44
|
39
|
89
|
50
|
48
|
80
|
97
|
92
|
61
|
87
|
64
|
64
|
74
|
75
|
70
|
45
|
63
|
72
|
40
|
47
|
77
|
78
|
84
|
82
|
85
|
|||
|
2025/01
|
145
|
81
|
95
|
103
|
69
|
55
|
62
|
59
|
65
|
62
|
77
|
90
|
128
|
46
|
65
|
70
|
90
|
81
|
87
|
156
|
102
|
103
|
88
|
132
|
66
|
50
|
62
|
97
|
299
|
251
|
194
|
|
2024/12
|
69
|
45
|
66
|
64
|
62
|
69
|
50
|
76
|
88
|
67
|
85
|
84
|
65
|
59
|
77
|
161
|
164
|
99
|
91
|
78
|
51
|
73
|
81
|
87
|
86
|
65
|
50
|
55
|
94
|
100
|
153
|
|
2024/11
|
112
|
125
|
80
|
59
|
71
|
74
|
110
|
143
|
135
|
87
|
77
|
73
|
68
|
100
|
102
|
58
|
53
|
58
|
81
|
116
|
106
|
81
|
112
|
76
|
47
|
66
|
66
|
53
|
58
|
72
|
|
|
2024/10
|
55
|
54
|
60
|
57
|
64
|
58
|
61
|
63
|
55
|
68
|
69
|
57
|
67
|
82
|
72
|
71
|
76
|
57
|
54
|
55
|
52
|
42
|
65
|
67
|
72
|
59
|
63
|
78
|
62
|
52
|
86
|
|
2024/09
|
45
|
47
|
48
|
43
|
49
|
50
|
53
|
48
|
59
|
54
|
31
|
46
|
39
|
42
|
42
|
51
|
76
|
79
|
57
|
65
|
40
|
53
|
67
|
62
|
53
|
57
|
74
|
83
|
57
|
62
|
|
|
2024/08
|
53
|
37
|
54
|
55
|
59
|
41
|
32
|
40
|
96
|
90
|
40
|
49
|
44
|
44
|
56
|
55
|
44
|
44
|
40
|
44
|
49
|
46
|
50
|
48
|
39
|
34
|
33
|
43
|
49
|
48
|
59
|
|
2024/07
|
58
|
57
|
50
|
53
|
72
|
64
|
43
|
52
|
52
|
55
|
70
|
66
|
65
|
50
|
45
|
42
|
44
|
48
|
46
|
99
|
179
|
80
|
84
|
264
|
68
|
53
|
50
|
45
|
45
|
57
|
61
|
|
2024/06
|
60
|
46
|
39
|
47
|
60
|
58
|
52
|
59
|
44
|
52
|
64
|
59
|
87
|
50
|
41
|
45
|
55
|
55
|
58
|
55
|
45
|
125
|
84
|
367
|
105
|
64
|
44
|
83
|
57
|
53
|
|
|
2024/05
|
51
|
43
|
34
|
44
|
55
|
62
|
42
|
61
|
43
|
144
|
90
|
42
|
54
|
151
|
67
|
83
|
97
|
88
|
175
|
78
|
76
|
55
|
60
|
95
|
73
|
49
|
46
|
56
|
69
|
49
|
45
|
|
2024/04
|
90
|
92
|
58
|
70
|
55
|
54
|
63
|
69
|
73
|
49
|
50
|
64
|
95
|
134
|
74
|
73
|
81
|
67
|
150
|
74
|
90
|
188
|
106
|
92
|
67
|
71
|
74
|
103
|
44
|
40
|
|
|
2024/03
|
51
|
58
|
72
|
93
|
77
|
106
|
83
|
65
|
80
|
96
|
94
|
58
|
69
|
96
|
165
|
95
|
58
|
91
|
56
|
60
|
82
|
121
|
97
|
56
|
58
|
58
|
50
|
44
|
74
|
72
|
72
|
|
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