Air Quality
Excellent
No health implications.
22
PM2.5
44
PM10
132
O3
0.6
CO
9
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
74
Good
Tue
14 May
61
Good
Wed
15 May
63
Good
Thu
16 May
81
Good
Fri
17 May
87
Good
Sat
18 May
90
Good
Sun
19 May
90
Good
Air quality in the last 12 months (Xifeng)
|
2024/02
|
82
|
89
|
102
|
91
|
96
|
118
|
94
|
95
|
147
|
265
|
85
|
55
|
80
|
41
|
39
|
44
|
38
|
28
|
31
|
36
|
34
|
46
|
54
|
79
|
142
|
67
|
56
|
88
|
65
|
||
|
2024/01
|
81
|
102
|
101
|
59
|
33
|
42
|
27
|
38
|
74
|
54
|
49
|
50
|
49
|
45
|
47
|
53
|
60
|
59
|
70
|
44
|
44
|
34
|
58
|
58
|
66
|
82
|
64
|
74
|
87
|
119
|
86
|
|
2023/12
|
43
|
35
|
33
|
60
|
84
|
58
|
31
|
78
|
28
|
24
|
28
|
50
|
56
|
48
|
49
|
35
|
33
|
72
|
79
|
62
|
65
|
66
|
82
|
91
|
76
|
52
|
58
|
88
|
78
|
81
|
73
|
|
2023/11
|
44
|
51
|
28
|
50
|
89
|
51
|
31
|
35
|
37
|
23
|
38
|
47
|
45
|
59
|
70
|
37
|
25
|
42
|
33
|
29
|
58
|
59
|
27
|
22
|
30
|
44
|
72
|
31
|
29
|
37
|
|
|
2023/10
|
25
|
31
|
45
|
30
|
26
|
36
|
38
|
44
|
41
|
36
|
40
|
46
|
51
|
49
|
44
|
42
|
39
|
39
|
30
|
25
|
26
|
39
|
62
|
70
|
87
|
45
|
60
|
86
|
136
|
71
|
108
|
|
2023/09
|
27
|
33
|
31
|
35
|
25
|
29
|
28
|
40
|
39
|
37
|
31
|
23
|
21
|
26
|
32
|
37
|
46
|
41
|
18
|
23
|
24
|
33
|
28
|
28
|
25
|
27
|
36
|
31
|
29
|
24
|
|
|
2023/08
|
35
|
32
|
34
|
35
|
18
|
16
|
17
|
27
|
26
|
25
|
19
|
20
|
16
|
22
|
24
|
27
|
28
|
32
|
32
|
37
|
28
|
26
|
22
|
25
|
20
|
22
|
29
|
24
|
16
|
20
|
22
|
|
2023/07
|
38
|
42
|
42
|
33
|
41
|
54
|
38
|
28
|
29
|
24
|
24
|
25
|
27
|
24
|
25
|
18
|
17
|
34
|
65
|
69
|
46
|
36
|
25
|
27
|
30
|
29
|
26
|
21
|
19
|
16
|
25
|
|
2023/06
|
48
|
32
|
32
|
31
|
37
|
35
|
39
|
29
|
22
|
26
|
24
|
32
|
35
|
49
|
67
|
71
|
80
|
73
|
71
|
32
|
27
|
33
|
30
|
57
|
48
|
39
|
28
|
60
|
37
|
43
|
|
|
2023/05
|
40
|
58
|
50
|
39
|
43
|
30
|
38
|
47
|
47
|
35
|
40
|
51
|
42
|
40
|
57
|
63
|
28
|
28
|
35
|
178
|
90
|
32
|
35
|
50
|
57
|
48
|
41
|
43
|
29
|
31
|
43
|
|
2023/04
|
104
|
97
|
79
|
131
|
308
|
156
|
71
|
56
|
77
|
75
|
285
|
130
|
200
|
68
|
105
|
84
|
69
|
77
|
80
|
66
|
96
|
47
|
44
|
46
|
51
|
29
|
43
|
36
|
33
|
30
|
|
|
2023/03
|
66
|
58
|
56
|
53
|
78
|
92
|
101
|
54
|
60
|
94
|
110
|
40
|
50
|
66
|
66
|
43
|
106
|
88
|
89
|
82
|
82
|
270
|
131
|
58
|
78
|
50
|
112
|
87
|
79
|
87
|
137
|
|
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