Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
103
*
PM2.5
154
PM10
43
O3
1.0
CO
5
SO2
27
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
18 Jan
111
Light
Mon
19 Jan
45
Excellent
Tue
20 Jan
53
Good
Wed
21 Jan
76
Good
Thu
22 Jan
83
Good
Fri
23 Jan
33
Excellent
Sat
24 Jan
31
Excellent
Air quality in the last 12 months (Macheng)
|
2025/11
|
67
|
78
|
72
|
63
|
75
|
76
|
22
|
39
|
61
|
64
|
51
|
37
|
43
|
73
|
89
|
89
|
44
|
23
|
28
|
44
|
61
|
75
|
85
|
101
|
84
|
65
|
122
|
86
|
70
|
70
|
|
|
2025/10
|
40
|
37
|
19
|
39
|
57
|
53
|
42
|
56
|
60
|
37
|
34
|
40
|
17
|
32
|
44
|
26
|
26
|
13
|
17
|
25
|
24
|
30
|
31
|
36
|
57
|
58
|
58
|
66
|
79
|
72
|
55
|
|
2025/09
|
21
|
30
|
36
|
40
|
39
|
35
|
44
|
38
|
23
|
26
|
23
|
18
|
20
|
25
|
25
|
36
|
27
|
14
|
14
|
14
|
29
|
32
|
20
|
9
|
17
|
14
|
25
|
33
|
19
|
22
|
|
|
2025/08
|
26
|
20
|
28
|
34
|
34
|
26
|
22
|
22
|
24
|
22
|
12
|
17
|
20
|
26
|
21
|
27
|
31
|
32
|
27
|
19
|
18
|
18
|
21
|
29
|
30
|
24
|
29
|
29
|
32
|
25
|
22
|
|
2025/07
|
23
|
24
|
26
|
32
|
43
|
36
|
34
|
35
|
18
|
28
|
40
|
22
|
20
|
29
|
33
|
31
|
33
|
30
|
34
|
24
|
18
|
16
|
17
|
21
|
24
|
25
|
24
|
21
|
21
|
25
|
24
|
|
2025/06
|
16
|
21
|
45
|
53
|
41
|
39
|
26
|
18
|
17
|
22
|
31
|
42
|
36
|
29
|
30
|
46
|
40
|
22
|
13
|
20
|
15
|
13
|
22
|
26
|
37
|
31
|
22
|
20
|
13
|
22
|
|
|
2025/05
|
55
|
61
|
53
|
52
|
44
|
113
|
120
|
46
|
40
|
39
|
40
|
47
|
54
|
70
|
58
|
39
|
74
|
114
|
80
|
43
|
32
|
31
|
57
|
60
|
51
|
67
|
65
|
56
|
42
|
40
|
21
|
|
2025/04
|
68
|
69
|
61
|
76
|
80
|
65
|
67
|
68
|
72
|
63
|
54
|
188
|
105
|
83
|
51
|
56
|
65
|
64
|
59
|
64
|
45
|
69
|
67
|
68
|
66
|
50
|
44
|
51
|
44
|
44
|
|
|
2025/03
|
82
|
45
|
22
|
46
|
54
|
71
|
73
|
79
|
94
|
97
|
72
|
96
|
87
|
47
|
38
|
45
|
38
|
47
|
47
|
53
|
49
|
60
|
76
|
68
|
58
|
72
|
94
|
77
|
83
|
70
|
73
|
|
2025/02
|
80
|
70
|
104
|
82
|
67
|
45
|
78
|
47
|
49
|
64
|
66
|
95
|
94
|
76
|
83
|
88
|
79
|
74
|
81
|
82
|
66
|
70
|
102
|
94
|
95
|
100
|
73
|
84
|
|||
|
2025/01
|
115
|
168
|
186
|
202
|
76
|
78
|
61
|
62
|
52
|
51
|
72
|
85
|
93
|
108
|
65
|
65
|
76
|
89
|
133
|
134
|
125
|
160
|
202
|
93
|
33
|
55
|
58
|
92
|
237
|
78
|
130
|
|
2024/12
|
71
|
88
|
117
|
82
|
58
|
56
|
79
|
67
|
61
|
82
|
89
|
98
|
88
|
62
|
61
|
77
|
93
|
84
|
61
|
95
|
93
|
60
|
69
|
94
|
117
|
138
|
149
|
56
|
67
|
94
|
120
|
|
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