Air Quality
Excellent
No health implications.
10
PM2.5
12
PM10
66
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 May
50
Excellent
Thu
21 May
54
Good
Fri
22 May
62
Good
Sat
23 May
73
Good
Sun
24 May
52
Good
Mon
25 May
57
Good
Tue
26 May
21
Excellent
Air quality in the last 12 months (Jieshou)
|
2026/04
|
64
|
57
|
39
|
66
|
77
|
71
|
59
|
39
|
33
|
49
|
63
|
56
|
30
|
33
|
45
|
64
|
70
|
63
|
56
|
65
|
47
|
33
|
34
|
35
|
37
|
44
|
60
|
51
|
41
|
40
|
|
|
2026/03
|
50
|
49
|
71
|
82
|
61
|
83
|
67
|
70
|
102
|
97
|
99
|
148
|
99
|
108
|
75
|
104
|
71
|
70
|
66
|
86
|
85
|
78
|
96
|
100
|
81
|
68
|
77
|
72
|
65
|
71
|
76
|
|
2026/02
|
77
|
102
|
108
|
94
|
128
|
84
|
69
|
73
|
56
|
78
|
92
|
91
|
84
|
75
|
102
|
55
|
213
|
103
|
86
|
65
|
51
|
284
|
172
|
42
|
48
|
46
|
79
|
47
|
|||
|
2026/01
|
51
|
100
|
83
|
79
|
166
|
87
|
46
|
71
|
61
|
87
|
57
|
73
|
96
|
128
|
101
|
108
|
107
|
53
|
45
|
45
|
53
|
75
|
83
|
120
|
144
|
148
|
117
|
83
|
78
|
82
|
92
|
|
2025/12
|
117
|
89
|
63
|
87
|
105
|
91
|
101
|
87
|
78
|
101
|
177
|
43
|
59
|
85
|
59
|
103
|
204
|
183
|
146
|
219
|
103
|
47
|
69
|
95
|
89
|
60
|
71
|
77
|
140
|
151
|
77
|
|
2025/11
|
99
|
80
|
66
|
57
|
82
|
67
|
37
|
74
|
66
|
83
|
48
|
48
|
79
|
127
|
125
|
113
|
34
|
36
|
39
|
49
|
88
|
71
|
66
|
105
|
76
|
76
|
201
|
103
|
71
|
88
|
|
|
2025/10
|
25
|
12
|
20
|
34
|
44
|
30
|
45
|
61
|
41
|
24
|
23
|
35
|
18
|
34
|
38
|
39
|
15
|
31
|
37
|
33
|
47
|
48
|
65
|
70
|
76
|
76
|
89
|
73
|
67
|
79
|
176
|
|
2025/09
|
23
|
33
|
33
|
37
|
40
|
37
|
48
|
24
|
23
|
25
|
18
|
14
|
32
|
25
|
21
|
29
|
21
|
15
|
14
|
27
|
41
|
28
|
18
|
19
|
39
|
31
|
19
|
20
|
28
|
23
|
|
|
2025/08
|
18
|
19
|
22
|
21
|
29
|
28
|
18
|
20
|
18
|
24
|
12
|
20
|
20
|
25
|
23
|
23
|
21
|
28
|
29
|
23
|
21
|
21
|
20
|
22
|
21
|
23
|
27
|
32
|
31
|
33
|
21
|
|
2025/07
|
18
|
14
|
18
|
18
|
24
|
32
|
30
|
31
|
13
|
33
|
55
|
28
|
25
|
30
|
30
|
35
|
34
|
33
|
32
|
26
|
23
|
15
|
15
|
21
|
24
|
21
|
19
|
19
|
20
|
24
|
27
|
|
2025/06
|
47
|
38
|
55
|
53
|
51
|
43
|
46
|
41
|
26
|
26
|
35
|
44
|
45
|
36
|
41
|
52
|
46
|
20
|
11
|
20
|
22
|
17
|
33
|
36
|
37
|
20
|
18
|
13
|
10
|
15
|
|
|
2025/05
|
65
|
84
|
43
|
43
|
58
|
145
|
98
|
66
|
59
|
25
|
46
|
48
|
45
|
51
|
76
|
58
|
126
|
79
|
86
|
57
|
48
|
61
|
74
|
61
|
54
|
58
|
69
|
67
|
68
|
59
|
64
|
|
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