Air Quality
Excellent
No health implications.
8
PM2.5
14
PM10
111
O3
0.4
CO
6
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
80
Good
Sun
28 Apr
79
Good
Mon
29 Apr
81
Good
Tue
30 Apr
63
Good
Wed
1 May
78
Good
Thu
2 May
90
Good
Fri
3 May
92
Good
Air quality in the last 12 months (Gaogang)
|
2024/02
|
28
|
28
|
31
|
43
|
64
|
72
|
88
|
147
|
179
|
187
|
139
|
83
|
65
|
107
|
69
|
31
|
41
|
41
|
42
|
24
|
21
|
35
|
39
|
65
|
81
|
81
|
53
|
53
|
37
|
||
|
2024/01
|
104
|
81
|
81
|
131
|
142
|
181
|
56
|
53
|
116
|
96
|
110
|
137
|
225
|
155
|
40
|
40
|
48
|
33
|
49
|
68
|
57
|
38
|
29
|
44
|
66
|
86
|
99
|
105
|
153
|
82
|
34
|
|
2023/12
|
51
|
70
|
100
|
140
|
120
|
120
|
105
|
66
|
99
|
59
|
21
|
46
|
61
|
73
|
29
|
43
|
25
|
39
|
54
|
70
|
38
|
35
|
45
|
77
|
91
|
136
|
143
|
128
|
127
|
156
|
203
|
|
2023/11
|
73
|
62
|
72
|
54
|
40
|
40
|
55
|
69
|
94
|
37
|
32
|
45
|
40
|
62
|
86
|
95
|
76
|
45
|
61
|
92
|
108
|
78
|
114
|
42
|
38
|
59
|
84
|
89
|
82
|
31
|
|
|
2023/10
|
38
|
29
|
26
|
32
|
41
|
32
|
22
|
27
|
56
|
68
|
38
|
36
|
35
|
63
|
70
|
72
|
78
|
85
|
85
|
31
|
47
|
68
|
73
|
66
|
89
|
106
|
66
|
49
|
55
|
66
|
73
|
|
2023/09
|
33
|
37
|
40
|
28
|
18
|
24
|
38
|
44
|
46
|
56
|
53
|
31
|
25
|
27
|
23
|
24
|
42
|
64
|
62
|
29
|
27
|
23
|
24
|
20
|
27
|
30
|
51
|
60
|
73
|
33
|
|
|
2023/08
|
18
|
22
|
19
|
21
|
23
|
37
|
27
|
33
|
31
|
51
|
82
|
83
|
71
|
30
|
28
|
52
|
42
|
39
|
35
|
35
|
36
|
31
|
40
|
44
|
46
|
34
|
27
|
19
|
28
|
36
|
32
|
|
2023/07
|
44
|
38
|
32
|
33
|
50
|
37
|
28
|
29
|
31
|
23
|
52
|
49
|
41
|
46
|
43
|
40
|
21
|
15
|
18
|
17
|
31
|
21
|
30
|
39
|
47
|
24
|
20
|
12
|
15
|
23
|
23
|
|
2023/06
|
34
|
64
|
51
|
50
|
28
|
39
|
71
|
70
|
69
|
66
|
42
|
38
|
42
|
73
|
85
|
85
|
35
|
20
|
23
|
32
|
67
|
72
|
56
|
29
|
24
|
25
|
39
|
34
|
28
|
26
|
|
|
2023/05
|
77
|
55
|
38
|
38
|
23
|
42
|
33
|
39
|
46
|
48
|
50
|
60
|
67
|
75
|
60
|
90
|
32
|
30
|
36
|
51
|
56
|
92
|
68
|
54
|
60
|
62
|
49
|
47
|
41
|
23
|
31
|
|
2023/04
|
52
|
57
|
51
|
30
|
31
|
52
|
62
|
56
|
72
|
71
|
208
|
175
|
92
|
91
|
70
|
62
|
84
|
80
|
43
|
47
|
51
|
60
|
62
|
40
|
47
|
57
|
75
|
56
|
66
|
67
|
|
|
2023/03
|
113
|
83
|
57
|
90
|
92
|
82
|
93
|
95
|
98
|
92
|
73
|
80
|
64
|
64
|
105
|
73
|
25
|
38
|
38
|
76
|
40
|
45
|
145
|
80
|
56
|
67
|
95
|
90
|
67
|
70
|
75
|
|
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