Air Quality
Excellent
No health implications.
9
PM2.5
21
PM10
32
O3
0.9
CO
5
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Mar
55
Good
Tue
24 Mar
49
Excellent
Wed
25 Mar
60
Good
Thu
26 Mar
51
Good
Fri
27 Mar
51
Good
Sat
28 Mar
56
Good
Sun
29 Mar
32
Excellent
Gaoan Air quality rank
Air quality in the last 12 months (Gaoan)
|
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
|
|
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
|
|
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