Air Quality
Excellent
No health implications.
19
PM2.5
42
PM10
121
O3
0.5
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
92
Good
Wed
7 May
93
Good
Thu
8 May
91
Good
Fri
9 May
92
Good
Sat
10 May
92
Good
Sun
11 May
105
Light
Mon
12 May
22
Excellent
Air quality in the last 12 months (Gaotang)
|
2025/02
|
80
|
112
|
49
|
34
|
52
|
93
|
50
|
38
|
63
|
71
|
83
|
97
|
88
|
77
|
89
|
65
|
55
|
65
|
63
|
77
|
86
|
53
|
51
|
59
|
70
|
88
|
107
|
120
|
|||
|
2025/01
|
143
|
72
|
87
|
154
|
177
|
47
|
54
|
53
|
57
|
64
|
102
|
89
|
86
|
100
|
53
|
73
|
84
|
109
|
122
|
91
|
166
|
73
|
109
|
174
|
79
|
93
|
37
|
76
|
173
|
122
|
65
|
|
2024/12
|
111
|
67
|
65
|
112
|
113
|
135
|
44
|
64
|
83
|
131
|
79
|
81
|
77
|
69
|
72
|
87
|
92
|
42
|
79
|
91
|
49
|
55
|
80
|
121
|
157
|
63
|
69
|
61
|
84
|
111
|
98
|
|
2024/11
|
74
|
63
|
114
|
56
|
52
|
58
|
62
|
56
|
56
|
83
|
137
|
174
|
146
|
77
|
77
|
71
|
60
|
46
|
57
|
75
|
93
|
76
|
61
|
64
|
51
|
34
|
46
|
49
|
57
|
70
|
|
|
2024/10
|
35
|
28
|
43
|
61
|
60
|
73
|
75
|
56
|
78
|
81
|
71
|
75
|
87
|
97
|
119
|
83
|
78
|
15
|
29
|
33
|
48
|
64
|
64
|
69
|
104
|
132
|
140
|
57
|
103
|
164
|
204
|
|
2024/09
|
42
|
25
|
34
|
48
|
30
|
29
|
46
|
57
|
46
|
26
|
24
|
30
|
29
|
36
|
27
|
36
|
43
|
50
|
57
|
44
|
19
|
27
|
43
|
59
|
64
|
91
|
72
|
58
|
52
|
26
|
|
|
2024/08
|
32
|
30
|
32
|
25
|
25
|
28
|
31
|
31
|
44
|
53
|
51
|
28
|
34
|
42
|
51
|
51
|
49
|
37
|
16
|
27
|
41
|
42
|
50
|
56
|
60
|
26
|
21
|
32
|
42
|
48
|
50
|
|
2024/07
|
36
|
49
|
45
|
36
|
22
|
17
|
29
|
37
|
54
|
58
|
68
|
60
|
80
|
77
|
58
|
38
|
50
|
43
|
30
|
16
|
34
|
35
|
36
|
46
|
16
|
21
|
34
|
17
|
15
|
24
|
20
|
|
2024/06
|
48
|
75
|
71
|
70
|
69
|
76
|
76
|
60
|
70
|
82
|
92
|
77
|
95
|
75
|
61
|
42
|
50
|
59
|
52
|
62
|
61
|
56
|
131
|
99
|
76
|
74
|
49
|
64
|
54
|
50
|
|
|
2024/05
|
50
|
59
|
59
|
50
|
54
|
67
|
70
|
71
|
73
|
72
|
192
|
78
|
87
|
92
|
44
|
64
|
68
|
79
|
69
|
47
|
59
|
59
|
62
|
64
|
60
|
54
|
48
|
49
|
62
|
63
|
55
|
|
2024/04
|
96
|
77
|
55
|
55
|
73
|
68
|
64
|
85
|
69
|
103
|
93
|
65
|
69
|
35
|
86
|
100
|
98
|
92
|
93
|
76
|
98
|
90
|
68
|
83
|
94
|
75
|
65
|
72
|
47
|
49
|
|
|
2024/03
|
55
|
92
|
94
|
126
|
84
|
75
|
93
|
44
|
69
|
91
|
116
|
97
|
87
|
93
|
70
|
83
|
108
|
109
|
109
|
71
|
112
|
103
|
88
|
84
|
49
|
61
|
59
|
179
|
171
|
104
|
92
|
|
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