Air Quality
Excellent
No health implications.
35
PM2.5
38
PM10
43
O3
0.4
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Jan
95
Good
Thu
29 Jan
87
Good
Fri
30 Jan
62
Good
Sat
31 Jan
53
Good
Sun
1 Feb
60
Good
Mon
2 Feb
16
Excellent
Tue
3 Feb
19
Excellent
Air quality in the last 12 months (Gaoan)
|
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
|
|
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
|
|
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