Air Quality
Excellent
No health implications.
26
PM2.5
47
PM10
129
O3
0.6
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
103
Light
Tue
17 Jun
107
Light
Wed
18 Jun
93
Good
Thu
19 Jun
74
Good
Fri
20 Jun
69
Good
Sat
21 Jun
67
Good
Sun
22 Jun
23
Excellent
Air quality in the last 12 months (Macheng)
|
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
|
|
2024/11
|
86
|
102
|
100
|
97
|
61
|
67
|
57
|
61
|
71
|
69
|
63
|
66
|
66
|
90
|
125
|
92
|
26
|
28
|
33
|
42
|
48
|
70
|
75
|
63
|
43
|
46
|
57
|
57
|
53
|
66
|
|
|
2024/10
|
30
|
55
|
45
|
40
|
55
|
48
|
24
|
39
|
59
|
90
|
97
|
77
|
77
|
72
|
91
|
82
|
37
|
23
|
29
|
42
|
45
|
38
|
49
|
56
|
52
|
52
|
89
|
142
|
108
|
75
|
45
|
|
2024/09
|
44
|
52
|
35
|
44
|
50
|
50
|
48
|
51
|
48
|
44
|
48
|
26
|
30
|
39
|
45
|
35
|
45
|
34
|
31
|
33
|
39
|
36
|
41
|
44
|
57
|
59
|
61
|
44
|
50
|
53
|
|
|
2024/08
|
19
|
21
|
29
|
26
|
27
|
33
|
30
|
37
|
37
|
40
|
76
|
69
|
39
|
31
|
26
|
25
|
34
|
44
|
32
|
23
|
31
|
40
|
36
|
35
|
39
|
44
|
21
|
22
|
35
|
34
|
43
|
|
2024/07
|
27
|
24
|
30
|
19
|
23
|
23
|
25
|
25
|
26
|
26
|
31
|
29
|
22
|
23
|
36
|
48
|
29
|
22
|
23
|
24
|
25
|
28
|
33
|
37
|
29
|
26
|
16
|
13
|
15
|
23
|
21
|
|
2024/06
|
48
|
46
|
35
|
40
|
35
|
44
|
38
|
45
|
38
|
31
|
26
|
35
|
42
|
42
|
43
|
48
|
45
|
36
|
20
|
25
|
24
|
17
|
28
|
48
|
46
|
43
|
27
|
15
|
16
|
22
|
|
|
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