Air Quality
Excellent
No health implications.
27
PM2.5
38
PM10
145
O3
0.6
CO
7
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Jul
82
Good
Wed
9 Jul
57
Good
Thu
10 Jul
59
Good
Fri
11 Jul
58
Good
Sat
12 Jul
57
Good
Sun
13 Jul
56
Good
Mon
14 Jul
21
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