Air Quality
Excellent
No health implications.
34
PM2.5
37
PM10
63
O3
1.3
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
117
Light
Fri
30 Jan
86
Good
Sat
31 Jan
64
Good
Sun
1 Feb
62
Good
Mon
2 Feb
57
Good
Tue
3 Feb
60
Good
Wed
4 Feb
17
Excellent
Air quality in the last 12 months (Maojian)
|
2025/12
|
90
|
112
|
85
|
67
|
80
|
82
|
64
|
62
|
88
|
106
|
115
|
103
|
51
|
49
|
58
|
64
|
90
|
125
|
100
|
64
|
44
|
100
|
51
|
67
|
54
|
60
|
66
|
70
|
62
|
86
|
135
|
|
2025/11
|
35
|
42
|
83
|
91
|
128
|
92
|
26
|
26
|
50
|
69
|
61
|
60
|
53
|
72
|
61
|
51
|
20
|
24
|
29
|
33
|
39
|
46
|
42
|
54
|
48
|
56
|
107
|
69
|
64
|
63
|
|
|
2025/10
|
22
|
11
|
17
|
23
|
17
|
13
|
17
|
20
|
16
|
16
|
21
|
23
|
19
|
24
|
28
|
32
|
19
|
25
|
44
|
35
|
33
|
44
|
57
|
75
|
47
|
35
|
38
|
44
|
77
|
53
|
38
|
|
2025/09
|
24
|
31
|
46
|
29
|
22
|
36
|
32
|
27
|
26
|
35
|
14
|
16
|
22
|
29
|
33
|
34
|
17
|
15
|
15
|
21
|
29
|
26
|
14
|
18
|
27
|
24
|
21
|
22
|
18
|
17
|
|
|
2025/08
|
41
|
40
|
38
|
51
|
52
|
37
|
31
|
31
|
17
|
18
|
21
|
23
|
19
|
30
|
34
|
29
|
28
|
30
|
30
|
35
|
30
|
25
|
38
|
25
|
33
|
42
|
40
|
38
|
20
|
22
|
19
|
|
2025/07
|
15
|
29
|
29
|
25
|
17
|
25
|
19
|
33
|
30
|
22
|
43
|
54
|
37
|
30
|
28
|
32
|
31
|
34
|
37
|
37
|
32
|
32
|
15
|
18
|
25
|
32
|
32
|
28
|
27
|
30
|
35
|
|
2025/06
|
32
|
30
|
35
|
35
|
35
|
33
|
27
|
24
|
34
|
38
|
42
|
42
|
43
|
35
|
35
|
47
|
48
|
33
|
10
|
27
|
24
|
33
|
30
|
37
|
32
|
24
|
27
|
30
|
26
|
25
|
|
|
2025/05
|
83
|
68
|
77
|
63
|
45
|
281
|
172
|
62
|
61
|
42
|
38
|
47
|
57
|
45
|
53
|
60
|
78
|
122
|
62
|
65
|
75
|
54
|
56
|
69
|
74
|
61
|
58
|
51
|
59
|
46
|
27
|
|
2025/04
|
64
|
65
|
57
|
66
|
75
|
75
|
62
|
59
|
64
|
53
|
60
|
228
|
117
|
73
|
49
|
60
|
71
|
79
|
58
|
55
|
52
|
130
|
91
|
69
|
63
|
70
|
57
|
38
|
43
|
46
|
|
|
2025/03
|
99
|
35
|
25
|
38
|
54
|
64
|
93
|
69
|
65
|
73
|
76
|
72
|
63
|
61
|
46
|
41
|
43
|
39
|
40
|
44
|
56
|
59
|
64
|
65
|
55
|
55
|
113
|
69
|
61
|
69
|
63
|
|
2025/02
|
118
|
81
|
54
|
48
|
41
|
36
|
91
|
53
|
52
|
73
|
106
|
85
|
63
|
68
|
58
|
57
|
71
|
88
|
104
|
111
|
109
|
122
|
103
|
144
|
99
|
80
|
110
|
93
|
|||
|
2025/01
|
82
|
128
|
191
|
159
|
65
|
68
|
63
|
44
|
56
|
70
|
72
|
73
|
79
|
81
|
63
|
58
|
71
|
92
|
74
|
70
|
113
|
200
|
188
|
64
|
32
|
45
|
55
|
63
|
112
|
116
|
129
|
|
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