Air Quality
Excellent
No health implications.
11
PM2.5
19
PM10
96
O3
0.4
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Aug
65
Good
Tue
26 Aug
67
Good
Wed
27 Aug
69
Good
Thu
28 Aug
56
Good
Fri
29 Aug
53
Good
Sat
30 Aug
54
Good
Sun
31 Aug
45
Excellent
Air quality in the last 12 months (Gaoan)
|
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
|
|
2025/04
|
54
|
75
|
61
|
67
|
60
|
60
|
60
|
61
|
60
|
44
|
43
|
221
|
160
|
123
|
57
|
55
|
66
|
63
|
31
|
34
|
33
|
22
|
44
|
34
|
29
|
29
|
29
|
39
|
55
|
55
|
|
|
2025/03
|
40
|
33
|
35
|
22
|
44
|
52
|
54
|
52
|
59
|
54
|
61
|
50
|
35
|
34
|
20
|
42
|
40
|
37
|
45
|
40
|
47
|
50
|
54
|
61
|
60
|
70
|
68
|
74
|
55
|
54
|
49
|
|
2025/02
|
41
|
26
|
46
|
50
|
55
|
54
|
68
|
52
|
35
|
55
|
67
|
80
|
95
|
68
|
42
|
38
|
48
|
40
|
43
|
30
|
39
|
24
|
61
|
76
|
89
|
79
|
79
|
52
|
|||
|
2025/01
|
110
|
90
|
131
|
125
|
136
|
99
|
69
|
61
|
56
|
39
|
51
|
64
|
72
|
62
|
74
|
51
|
57
|
62
|
66
|
81
|
88
|
71
|
78
|
126
|
42
|
27
|
50
|
70
|
115
|
69
|
50
|
|
2024/12
|
49
|
58
|
68
|
103
|
60
|
49
|
59
|
95
|
61
|
75
|
38
|
91
|
74
|
59
|
57
|
59
|
67
|
77
|
65
|
70
|
84
|
73
|
71
|
84
|
90
|
98
|
120
|
90
|
79
|
88
|
88
|
|
2024/11
|
38
|
51
|
49
|
60
|
63
|
49
|
43
|
45
|
51
|
53
|
47
|
47
|
52
|
50
|
26
|
49
|
39
|
26
|
39
|
48
|
39
|
36
|
60
|
59
|
39
|
33
|
37
|
40
|
42
|
48
|
|
|
2024/10
|
35
|
44
|
33
|
31
|
38
|
42
|
36
|
27
|
38
|
50
|
55
|
56
|
70
|
86
|
63
|
27
|
37
|
46
|
33
|
30
|
42
|
37
|
38
|
39
|
55
|
47
|
28
|
46
|
68
|
53
|
45
|
|
2024/09
|
44
|
47
|
51
|
47
|
41
|
35
|
33
|
39
|
36
|
34
|
36
|
22
|
28
|
37
|
38
|
32
|
30
|
35
|
36
|
30
|
31
|
34
|
31
|
35
|
40
|
48
|
54
|
30
|
30
|
33
|
|
|
2024/08
|
18
|
21
|
28
|
34
|
33
|
27
|
33
|
31
|
30
|
34
|
36
|
31
|
25
|
24
|
30
|
38
|
39
|
23
|
25
|
30
|
35
|
29
|
29
|
37
|
38
|
39
|
36
|
18
|
24
|
37
|
46
|
|
2024/07
|
19
|
17
|
22
|
22
|
18
|
20
|
22
|
20
|
26
|
29
|
32
|
30
|
25
|
25
|
29
|
24
|
17
|
17
|
18
|
19
|
24
|
25
|
28
|
37
|
33
|
29
|
17
|
14
|
14
|
18
|
18
|
|
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