Air Quality
Excellent
No health implications.
11
PM2.5
22
PM10
38
O3
0.4
CO
9
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
52
Good
Mon
28 Jul
45
Excellent
Tue
29 Jul
44
Excellent
Wed
30 Jul
44
Excellent
Thu
31 Jul
46
Excellent
Fri
1 Aug
17
Excellent
Sat
2 Aug
46
Excellent
Air quality in the last 12 months (Gaogang)
|
2025/06
|
19
|
7
|
37
|
57
|
54
|
38
|
41
|
18
|
20
|
38
|
22
|
30
|
25
|
39
|
16
|
32
|
33
|
47
|
29
|
17
|
11
|
14
|
14
|
18
|
46
|
59
|
27
|
17
|
17
|
34
|
|
|
2025/05
|
47
|
54
|
42
|
33
|
36
|
70
|
66
|
44
|
11
|
30
|
36
|
44
|
52
|
57
|
110
|
32
|
57
|
60
|
58
|
58
|
26
|
47
|
30
|
43
|
59
|
46
|
49
|
47
|
76
|
66
|
60
|
|
2025/04
|
52
|
57
|
50
|
57
|
66
|
65
|
74
|
78
|
92
|
75
|
89
|
146
|
80
|
53
|
45
|
51
|
60
|
64
|
71
|
43
|
60
|
52
|
57
|
67
|
51
|
44
|
43
|
53
|
57
|
58
|
|
|
2025/03
|
63
|
68
|
20
|
18
|
40
|
42
|
57
|
83
|
73
|
56
|
99
|
81
|
42
|
37
|
37
|
39
|
41
|
37
|
50
|
66
|
51
|
57
|
65
|
69
|
72
|
78
|
107
|
51
|
74
|
48
|
39
|
|
2025/02
|
27
|
57
|
86
|
77
|
77
|
38
|
49
|
32
|
39
|
71
|
60
|
99
|
80
|
67
|
91
|
112
|
61
|
57
|
53
|
35
|
40
|
54
|
59
|
72
|
102
|
110
|
128
|
112
|
|||
|
2025/01
|
95
|
68
|
68
|
82
|
101
|
83
|
58
|
66
|
33
|
42
|
65
|
82
|
100
|
115
|
53
|
62
|
89
|
102
|
123
|
201
|
168
|
98
|
44
|
44
|
31
|
55
|
51
|
72
|
161
|
81
|
76
|
|
2024/12
|
80
|
90
|
52
|
41
|
81
|
131
|
134
|
34
|
53
|
45
|
70
|
50
|
79
|
53
|
61
|
67
|
92
|
60
|
37
|
64
|
83
|
53
|
58
|
75
|
120
|
107
|
58
|
57
|
72
|
91
|
84
|
|
2024/11
|
16
|
60
|
85
|
73
|
41
|
34
|
37
|
34
|
42
|
51
|
58
|
65
|
68
|
63
|
68
|
39
|
36
|
31
|
31
|
36
|
59
|
80
|
30
|
42
|
32
|
40
|
63
|
58
|
47
|
66
|
|
|
2024/10
|
17
|
28
|
22
|
26
|
29
|
13
|
13
|
29
|
42
|
62
|
87
|
91
|
40
|
31
|
71
|
55
|
36
|
33
|
28
|
34
|
21
|
37
|
43
|
47
|
42
|
24
|
35
|
59
|
38
|
51
|
36
|
|
2024/09
|
42
|
46
|
23
|
29
|
32
|
28
|
40
|
29
|
21
|
28
|
14
|
27
|
29
|
34
|
26
|
18
|
18
|
22
|
17
|
14
|
19
|
25
|
28
|
32
|
34
|
29
|
36
|
31
|
41
|
44
|
|
|
2024/08
|
22
|
25
|
43
|
44
|
32
|
33
|
48
|
41
|
41
|
49
|
48
|
49
|
40
|
25
|
24
|
29
|
31
|
32
|
22
|
15
|
32
|
41
|
51
|
45
|
31
|
38
|
31
|
26
|
22
|
26
|
34
|
|
2024/07
|
26
|
25
|
24
|
28
|
25
|
21
|
20
|
24
|
25
|
26
|
46
|
44
|
23
|
24
|
48
|
69
|
37
|
24
|
29
|
25
|
20
|
30
|
38
|
21
|
18
|
16
|
17
|
17
|
24
|
26
|
26
|
|
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