Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
16
O3
0.3
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
44
Excellent
Wed
20 May
55
Good
Thu
21 May
64
Good
Fri
22 May
51
Good
Sat
23 May
63
Good
Sun
24 May
41
Excellent
Mon
25 May
32
Excellent
Air quality in the last 12 months (Xiejiaji)
|
2026/04
|
84
|
69
|
37
|
54
|
68
|
75
|
51
|
33
|
47
|
33
|
66
|
51
|
24
|
36
|
48
|
75
|
72
|
56
|
51
|
48
|
46
|
22
|
29
|
34
|
48
|
44
|
52
|
38
|
33
|
38
|
|
|
2026/03
|
35
|
30
|
87
|
58
|
53
|
78
|
50
|
56
|
93
|
89
|
76
|
95
|
96
|
81
|
115
|
80
|
66
|
74
|
98
|
108
|
100
|
67
|
81
|
78
|
73
|
72
|
71
|
62
|
59
|
72
|
105
|
|
2026/02
|
53
|
73
|
93
|
79
|
84
|
78
|
51
|
60
|
47
|
60
|
89
|
84
|
72
|
68
|
83
|
43
|
139
|
68
|
71
|
61
|
41
|
234
|
123
|
24
|
40
|
37
|
34
|
28
|
|||
|
2026/01
|
40
|
60
|
69
|
70
|
119
|
74
|
54
|
75
|
60
|
99
|
66
|
69
|
73
|
82
|
91
|
104
|
124
|
66
|
27
|
41
|
66
|
50
|
70
|
93
|
104
|
36
|
71
|
79
|
76
|
31
|
52
|
|
2025/12
|
119
|
75
|
69
|
67
|
74
|
81
|
94
|
103
|
65
|
79
|
139
|
32
|
56
|
79
|
70
|
75
|
167
|
123
|
125
|
204
|
100
|
36
|
50
|
76
|
72
|
47
|
57
|
65
|
97
|
103
|
40
|
|
2025/11
|
84
|
69
|
40
|
48
|
58
|
46
|
27
|
39
|
82
|
68
|
38
|
36
|
80
|
135
|
110
|
101
|
41
|
45
|
50
|
42
|
83
|
75
|
79
|
117
|
80
|
84
|
280
|
133
|
76
|
82
|
|
|
2025/10
|
15
|
26
|
10
|
33
|
54
|
59
|
51
|
48
|
36
|
58
|
49
|
50
|
17
|
41
|
32
|
22
|
16
|
18
|
25
|
20
|
18
|
34
|
42
|
50
|
57
|
71
|
64
|
70
|
58
|
47
|
87
|
|
2025/09
|
28
|
22
|
27
|
32
|
33
|
30
|
37
|
29
|
12
|
18
|
27
|
24
|
14
|
17
|
17
|
25
|
13
|
12
|
15
|
18
|
33
|
26
|
35
|
10
|
19
|
26
|
16
|
24
|
22
|
17
|
|
|
2025/08
|
14
|
17
|
20
|
25
|
35
|
32
|
21
|
18
|
19
|
13
|
10
|
18
|
25
|
29
|
28
|
24
|
30
|
34
|
32
|
25
|
26
|
27
|
24
|
21
|
24
|
16
|
29
|
37
|
29
|
17
|
19
|
|
2025/07
|
23
|
19
|
24
|
25
|
32
|
35
|
43
|
27
|
18
|
35
|
42
|
29
|
28
|
37
|
32
|
26
|
25
|
37
|
30
|
26
|
24
|
21
|
25
|
27
|
31
|
23
|
22
|
19
|
26
|
22
|
20
|
|
2025/06
|
36
|
22
|
42
|
61
|
50
|
38
|
21
|
34
|
27
|
39
|
43
|
50
|
42
|
34
|
33
|
49
|
51
|
19
|
12
|
12
|
16
|
26
|
40
|
38
|
30
|
36
|
21
|
19
|
13
|
19
|
|
|
2025/05
|
58
|
64
|
61
|
54
|
53
|
81
|
88
|
54
|
35
|
33
|
46
|
45
|
50
|
59
|
71
|
64
|
97
|
79
|
75
|
60
|
42
|
57
|
72
|
72
|
57
|
71
|
77
|
64
|
72
|
62
|
71
|
|
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