Air Quality
Excellent
No health implications.
3
PM2.5
13
PM10
32
O3
0.4
CO
4
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 May
41
Excellent
Sun
24 May
43
Excellent
Mon
25 May
46
Excellent
Tue
26 May
45
Excellent
Wed
27 May
45
Excellent
Thu
28 May
28
Excellent
Fri
29 May
22
Excellent
Air quality in the last 12 months (Gaoan)
|
2026/04
|
41
|
54
|
24
|
39
|
53
|
46
|
60
|
48
|
40
|
32
|
30
|
36
|
44
|
30
|
37
|
32
|
33
|
48
|
54
|
57
|
23
|
14
|
25
|
34
|
39
|
47
|
58
|
43
|
30
|
35
|
|
|
2026/03
|
15
|
19
|
36
|
63
|
61
|
60
|
70
|
61
|
69
|
59
|
58
|
54
|
53
|
62
|
100
|
72
|
48
|
21
|
44
|
53
|
55
|
50
|
31
|
46
|
64
|
39
|
41
|
53
|
56
|
34
|
32
|
|
2026/02
|
41
|
51
|
66
|
68
|
71
|
58
|
37
|
58
|
58
|
66
|
70
|
65
|
56
|
48
|
54
|
32
|
66
|
72
|
63
|
41
|
39
|
64
|
85
|
23
|
34
|
29
|
18
|
33
|
|||
|
2026/01
|
26
|
43
|
65
|
66
|
55
|
59
|
46
|
57
|
58
|
64
|
66
|
74
|
76
|
77
|
83
|
101
|
119
|
189
|
84
|
34
|
50
|
60
|
72
|
85
|
87
|
82
|
63
|
53
|
67
|
38
|
25
|
|
2025/12
|
72
|
114
|
79
|
74
|
63
|
91
|
99
|
89
|
110
|
106
|
110
|
116
|
40
|
51
|
55
|
61
|
85
|
155
|
122
|
119
|
87
|
52
|
53
|
29
|
59
|
72
|
78
|
83
|
78
|
97
|
116
|
|
2025/11
|
44
|
52
|
68
|
58
|
43
|
45
|
45
|
17
|
18
|
43
|
57
|
41
|
44
|
50
|
63
|
63
|
72
|
26
|
31
|
44
|
49
|
61
|
65
|
57
|
81
|
77
|
84
|
97
|
71
|
65
|
|
|
2025/10
|
35
|
39
|
37
|
44
|
36
|
22
|
34
|
61
|
53
|
47
|
52
|
61
|
68
|
49
|
49
|
50
|
47
|
38
|
15
|
25
|
32
|
33
|
39
|
45
|
54
|
64
|
58
|
75
|
61
|
76
|
39
|
|
2025/09
|
24
|
27
|
26
|
30
|
32
|
31
|
33
|
24
|
18
|
21
|
21
|
25
|
22
|
25
|
28
|
30
|
34
|
32
|
35
|
27
|
31
|
35
|
34
|
24
|
22
|
30
|
35
|
39
|
41
|
37
|
|
|
2025/08
|
27
|
37
|
30
|
21
|
18
|
14
|
16
|
17
|
24
|
29
|
35
|
32
|
31
|
21
|
15
|
22
|
23
|
24
|
17
|
17
|
16
|
22
|
31
|
26
|
20
|
25
|
27
|
25
|
26
|
29
|
25
|
|
2025/07
|
20
|
23
|
29
|
32
|
29
|
36
|
39
|
38
|
25
|
21
|
31
|
24
|
24
|
27
|
31
|
27
|
37
|
32
|
29
|
18
|
18
|
17
|
25
|
21
|
21
|
27
|
19
|
22
|
22
|
22
|
21
|
|
2025/06
|
29
|
17
|
27
|
34
|
35
|
37
|
34
|
29
|
26
|
30
|
24
|
26
|
36
|
28
|
17
|
26
|
18
|
15
|
17
|
15
|
18
|
13
|
14
|
20
|
32
|
34
|
19
|
18
|
24
|
26
|
|
|
2025/05
|
48
|
51
|
54
|
60
|
27
|
43
|
83
|
38
|
29
|
44
|
34
|
44
|
44
|
44
|
49
|
25
|
26
|
42
|
31
|
23
|
23
|
26
|
27
|
51
|
54
|
57
|
56
|
32
|
25
|
27
|
23
|
|
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