Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
29
PM2.5
53
*
PM10
127
O3
0.6
CO
7
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 May
104
Lightly
Sun
19 May
91
Good
Mon
20 May
81
Good
Tue
21 May
83
Good
Wed
22 May
77
Good
Thu
23 May
84
Good
Fri
24 May
91
Good
Air quality in the last 12 months (Gaoan)
|
2024/02
|
29
|
17
|
15
|
22
|
66
|
38
|
65
|
72
|
86
|
117
|
85
|
67
|
55
|
49
|
36
|
27
|
33
|
32
|
34
|
36
|
18
|
20
|
33
|
38
|
58
|
75
|
80
|
47
|
51
|
||
|
2024/01
|
89
|
102
|
51
|
59
|
58
|
51
|
101
|
123
|
87
|
68
|
62
|
59
|
61
|
65
|
173
|
85
|
84
|
59
|
17
|
20
|
54
|
44
|
33
|
37
|
45
|
57
|
63
|
62
|
66
|
57
|
49
|
|
2023/12
|
51
|
50
|
59
|
56
|
56
|
60
|
53
|
53
|
48
|
55
|
30
|
26
|
40
|
48
|
23
|
40
|
42
|
35
|
43
|
50
|
84
|
51
|
46
|
53
|
62
|
65
|
68
|
83
|
136
|
145
|
119
|
|
2023/11
|
52
|
45
|
51
|
59
|
63
|
25
|
37
|
28
|
25
|
32
|
26
|
21
|
54
|
57
|
53
|
48
|
83
|
63
|
63
|
60
|
53
|
53
|
58
|
67
|
56
|
60
|
62
|
65
|
62
|
67
|
|
|
2023/10
|
27
|
31
|
42
|
30
|
38
|
36
|
24
|
21
|
26
|
36
|
42
|
52
|
48
|
48
|
50
|
50
|
51
|
54
|
42
|
26
|
33
|
40
|
49
|
52
|
62
|
46
|
61
|
53
|
50
|
56
|
59
|
|
2023/09
|
35
|
37
|
38
|
35
|
34
|
33
|
30
|
33
|
36
|
45
|
30
|
28
|
22
|
19
|
27
|
30
|
34
|
36
|
35
|
30
|
29
|
28
|
33
|
42
|
38
|
41
|
46
|
44
|
49
|
48
|
|
|
2023/08
|
23
|
31
|
31
|
32
|
43
|
36
|
33
|
27
|
27
|
35
|
41
|
32
|
25
|
29
|
36
|
35
|
38
|
43
|
40
|
39
|
35
|
22
|
34
|
42
|
44
|
39
|
27
|
16
|
26
|
31
|
30
|
|
2023/07
|
28
|
27
|
18
|
22
|
23
|
23
|
27
|
26
|
30
|
29
|
30
|
32
|
34
|
35
|
31
|
41
|
34
|
27
|
22
|
22
|
22
|
21
|
16
|
27
|
26
|
28
|
26
|
19
|
20
|
25
|
25
|
|
2023/06
|
36
|
42
|
57
|
64
|
54
|
39
|
39
|
24
|
38
|
39
|
47
|
58
|
37
|
40
|
46
|
37
|
29
|
19
|
19
|
21
|
25
|
30
|
27
|
21
|
17
|
19
|
24
|
19
|
23
|
21
|
|
|
2023/05
|
70
|
63
|
38
|
34
|
24
|
23
|
33
|
38
|
41
|
45
|
40
|
40
|
51
|
58
|
52
|
51
|
31
|
35
|
53
|
52
|
31
|
32
|
57
|
50
|
46
|
43
|
36
|
36
|
44
|
45
|
30
|
|
2023/04
|
48
|
52
|
39
|
30
|
29
|
24
|
40
|
51
|
55
|
60
|
58
|
58
|
40
|
33
|
57
|
61
|
61
|
35
|
28
|
47
|
42
|
39
|
18
|
15
|
23
|
29
|
35
|
37
|
79
|
80
|
|
|
2023/03
|
66
|
87
|
81
|
87
|
68
|
57
|
63
|
75
|
68
|
58
|
58
|
85
|
67
|
61
|
57
|
80
|
34
|
27
|
19
|
26
|
34
|
22
|
30
|
39
|
48
|
35
|
62
|
59
|
56
|
52
|
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