Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
40
O3
0.5
CO
5
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
45
Excellent
Tue
19 May
45
Excellent
Wed
20 May
52
Good
Thu
21 May
56
Good
Fri
22 May
66
Good
Sat
23 May
70
Good
Sun
24 May
35
Excellent
Air quality in the last 12 months (Taihe)
|
2026/04
|
67
|
58
|
39
|
63
|
73
|
69
|
58
|
38
|
35
|
47
|
63
|
55
|
27
|
34
|
46
|
64
|
72
|
64
|
53
|
59
|
43
|
33
|
34
|
37
|
37
|
42
|
56
|
51
|
39
|
39
|
|
|
2026/03
|
47
|
47
|
77
|
77
|
57
|
84
|
65
|
69
|
98
|
96
|
88
|
128
|
98
|
105
|
85
|
98
|
67
|
65
|
66
|
89
|
88
|
74
|
92
|
94
|
77
|
71
|
84
|
74
|
62
|
72
|
80
|
|
2026/02
|
75
|
100
|
104
|
88
|
120
|
83
|
66
|
69
|
55
|
73
|
91
|
89
|
79
|
71
|
105
|
57
|
254
|
98
|
85
|
65
|
48
|
290
|
159
|
36
|
47
|
43
|
68
|
40
|
|||
|
2026/01
|
52
|
97
|
83
|
80
|
159
|
90
|
45
|
71
|
60
|
88
|
55
|
71
|
99
|
117
|
104
|
109
|
111
|
53
|
39
|
46
|
54
|
74
|
82
|
119
|
134
|
140
|
115
|
84
|
77
|
67
|
80
|
|
2025/12
|
116
|
90
|
66
|
87
|
102
|
88
|
100
|
87
|
74
|
93
|
171
|
40
|
56
|
81
|
58
|
99
|
204
|
176
|
140
|
222
|
99
|
44
|
69
|
101
|
87
|
56
|
71
|
74
|
131
|
149
|
65
|
|
2025/11
|
99
|
81
|
64
|
57
|
80
|
67
|
40
|
77
|
68
|
84
|
46
|
47
|
78
|
129
|
129
|
110
|
35
|
36
|
39
|
47
|
93
|
70
|
65
|
107
|
72
|
74
|
199
|
104
|
72
|
92
|
|
|
2025/10
|
25
|
15
|
20
|
40
|
49
|
39
|
48
|
58
|
47
|
30
|
26
|
40
|
18
|
35
|
41
|
38
|
15
|
29
|
35
|
30
|
44
|
49
|
63
|
65
|
71
|
73
|
83
|
73
|
63
|
80
|
170
|
|
2025/09
|
20
|
32
|
33
|
38
|
39
|
36
|
50
|
27
|
22
|
25
|
22
|
14
|
31
|
26
|
20
|
31
|
21
|
16
|
16
|
27
|
42
|
30
|
21
|
19
|
42
|
33
|
23
|
22
|
29
|
22
|
|
|
2025/08
|
18
|
21
|
22
|
21
|
28
|
30
|
20
|
21
|
20
|
25
|
13
|
24
|
23
|
30
|
24
|
22
|
23
|
28
|
29
|
24
|
21
|
21
|
18
|
21
|
21
|
21
|
26
|
32
|
33
|
33
|
21
|
|
2025/07
|
16
|
13
|
18
|
20
|
27
|
33
|
33
|
27
|
13
|
34
|
55
|
30
|
24
|
30
|
30
|
34
|
35
|
34
|
32
|
23
|
22
|
16
|
17
|
23
|
24
|
21
|
19
|
20
|
22
|
24
|
25
|
|
2025/06
|
47
|
34
|
54
|
53
|
52
|
43
|
45
|
40
|
24
|
29
|
34
|
44
|
44
|
33
|
40
|
50
|
46
|
19
|
11
|
19
|
19
|
19
|
37
|
39
|
35
|
23
|
17
|
11
|
9
|
14
|
|
|
2025/05
|
62
|
77
|
43
|
41
|
51
|
129
|
90
|
63
|
53
|
24
|
45
|
48
|
46
|
53
|
84
|
54
|
112
|
76
|
82
|
56
|
45
|
58
|
72
|
61
|
56
|
61
|
70
|
69
|
72
|
61
|
76
|
|
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