Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
25
O3
0.7
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
50
Excellent
Tue
20 Jan
59
Good
Wed
21 Jan
94
Good
Thu
22 Jan
103
Light
Fri
23 Jan
137
Light
Sat
24 Jan
25
Excellent
Sun
25 Jan
41
Excellent
Air quality in the last 12 months (Xiejiaji)
|
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
|
|
2025/04
|
61
|
68
|
58
|
71
|
87
|
82
|
65
|
70
|
85
|
91
|
84
|
241
|
110
|
68
|
47
|
57
|
60
|
71
|
70
|
53
|
58
|
84
|
76
|
82
|
61
|
58
|
51
|
69
|
55
|
50
|
|
|
2025/03
|
88
|
73
|
40
|
72
|
86
|
79
|
70
|
88
|
100
|
89
|
101
|
166
|
123
|
46
|
56
|
56
|
52
|
52
|
51
|
59
|
50
|
61
|
68
|
99
|
76
|
70
|
120
|
140
|
159
|
91
|
65
|
|
2025/02
|
127
|
90
|
130
|
91
|
54
|
51
|
89
|
41
|
49
|
60
|
71
|
110
|
64
|
82
|
108
|
95
|
66
|
64
|
85
|
59
|
57
|
90
|
107
|
55
|
69
|
115
|
88
|
91
|
|||
|
2025/01
|
94
|
165
|
152
|
140
|
133
|
83
|
53
|
71
|
48
|
54
|
78
|
81
|
97
|
125
|
69
|
65
|
72
|
109
|
138
|
133
|
132
|
185
|
108
|
64
|
40
|
82
|
51
|
102
|
171
|
77
|
141
|
|
2024/12
|
74
|
112
|
88
|
81
|
114
|
165
|
139
|
55
|
50
|
76
|
107
|
99
|
93
|
85
|
63
|
71
|
109
|
84
|
62
|
79
|
89
|
66
|
89
|
109
|
129
|
151
|
99
|
85
|
62
|
89
|
127
|
|
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