Air Quality
Excellent
No health implications.
22
PM2.5
43
PM10
18
O3
0.6
CO
8
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jun
53
Good
Fri
27 Jun
46
Excellent
Sat
28 Jun
46
Excellent
Sun
29 Jun
45
Excellent
Mon
30 Jun
49
Excellent
Tue
1 Jul
43
Excellent
Wed
2 Jul
27
Excellent
Air quality in the last 12 months (Gaoan)
|
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
|
|
2024/06
|
19
|
24
|
21
|
27
|
27
|
28
|
29
|
33
|
28
|
26
|
18
|
24
|
27
|
23
|
22
|
23
|
21
|
22
|
29
|
27
|
26
|
24
|
30
|
24
|
15
|
13
|
21
|
32
|
19
|
20
|
|
|
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