Air Quality
Excellent
No health implications.
5
PM2.5
8
PM10
33
O3
0.6
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Mar
37
Excellent
Wed
18 Mar
70
Good
Thu
19 Mar
87
Good
Fri
20 Mar
81
Good
Sat
21 Mar
90
Good
Sun
22 Mar
96
Good
Mon
23 Mar
48
Excellent
Air quality in the last 12 months (Macheng)
|
2026/02
|
57
|
77
|
79
|
76
|
87
|
85
|
50
|
66
|
56
|
75
|
88
|
94
|
74
|
95
|
96
|
45
|
123
|
82
|
94
|
66
|
45
|
98
|
107
|
31
|
32
|
24
|
48
|
41
|
|||
|
2026/01
|
33
|
55
|
64
|
66
|
74
|
59
|
48
|
54
|
62
|
84
|
69
|
64
|
88
|
78
|
88
|
105
|
143
|
93
|
22
|
47
|
51
|
63
|
86
|
93
|
104
|
122
|
85
|
73
|
66
|
37
|
46
|
|
2025/12
|
94
|
88
|
62
|
65
|
79
|
82
|
82
|
101
|
99
|
103
|
152
|
76
|
44
|
57
|
57
|
70
|
174
|
177
|
115
|
178
|
65
|
42
|
49
|
84
|
71
|
57
|
65
|
82
|
93
|
136
|
67
|
|
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
|
|
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