Air Quality
Excellent
No health implications.
19
PM2.5
28
PM10
34
O3
0.8
CO
7
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 May
116
Light
Thu
22 May
81
Good
Fri
23 May
63
Good
Sat
24 May
68
Good
Sun
25 May
93
Good
Mon
26 May
38
Excellent
Tue
27 May
23
Excellent
Air quality in the last 12 months (Gaogang)
|
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
|
|
2024/06
|
43
|
45
|
49
|
41
|
36
|
30
|
38
|
38
|
45
|
34
|
31
|
38
|
54
|
52
|
36
|
41
|
26
|
38
|
26
|
28
|
39
|
25
|
35
|
41
|
55
|
29
|
20
|
23
|
19
|
17
|
|
|
2024/05
|
36
|
39
|
39
|
42
|
40
|
54
|
57
|
39
|
45
|
50
|
48
|
90
|
81
|
68
|
53
|
38
|
54
|
51
|
38
|
32
|
25
|
33
|
48
|
39
|
37
|
47
|
23
|
30
|
45
|
33
|
50
|
|
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