Air Quality
Excellent
No health implications.
15
PM2.5
21
PM10
47
O3
0.4
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Feb
49
Excellent
Sun
1 Mar
44
Excellent
Mon
2 Mar
57
Good
Tue
3 Mar
68
Good
Wed
4 Mar
75
Good
Thu
5 Mar
17
Excellent
Fri
6 Mar
48
Excellent
Air quality in the last 12 months (Chenggu)
|
2026/01
|
39
|
69
|
82
|
77
|
71
|
65
|
83
|
90
|
96
|
106
|
95
|
116
|
117
|
118
|
93
|
108
|
125
|
158
|
57
|
39
|
56
|
67
|
89
|
108
|
117
|
120
|
116
|
117
|
85
|
45
|
77
|
|
2025/12
|
89
|
112
|
107
|
99
|
85
|
98
|
99
|
98
|
121
|
94
|
101
|
102
|
71
|
69
|
86
|
78
|
87
|
100
|
98
|
80
|
44
|
57
|
57
|
70
|
68
|
77
|
85
|
122
|
132
|
150
|
71
|
|
2025/11
|
53
|
51
|
53
|
66
|
58
|
48
|
22
|
40
|
45
|
56
|
60
|
64
|
61
|
66
|
61
|
52
|
19
|
30
|
41
|
61
|
64
|
76
|
56
|
60
|
65
|
77
|
103
|
88
|
84
|
89
|
|
|
2025/10
|
11
|
12
|
13
|
11
|
11
|
11
|
14
|
21
|
26
|
17
|
9
|
10
|
16
|
21
|
15
|
14
|
9
|
14
|
12
|
9
|
12
|
19
|
32
|
41
|
42
|
39
|
44
|
50
|
59
|
47
|
49
|
|
2025/09
|
27
|
22
|
30
|
17
|
15
|
30
|
33
|
21
|
23
|
26
|
16
|
14
|
20
|
26
|
33
|
24
|
17
|
7
|
10
|
12
|
13
|
11
|
9
|
15
|
26
|
27
|
19
|
13
|
15
|
18
|
|
|
2025/08
|
29
|
30
|
36
|
35
|
30
|
21
|
24
|
21
|
16
|
12
|
19
|
24
|
29
|
36
|
30
|
14
|
17
|
19
|
25
|
25
|
29
|
26
|
16
|
18
|
18
|
30
|
27
|
11
|
11
|
14
|
19
|
|
2025/07
|
16
|
17
|
25
|
22
|
13
|
16
|
18
|
18
|
26
|
23
|
25
|
34
|
34
|
33
|
32
|
35
|
30
|
18
|
25
|
21
|
23
|
27
|
15
|
13
|
13
|
20
|
22
|
24
|
25
|
25
|
27
|
|
2025/06
|
18
|
29
|
45
|
46
|
33
|
39
|
28
|
29
|
30
|
38
|
38
|
37
|
45
|
35
|
59
|
52
|
43
|
28
|
28
|
40
|
25
|
26
|
23
|
26
|
20
|
19
|
26
|
26
|
27
|
13
|
|
|
2025/05
|
68
|
57
|
83
|
59
|
52
|
108
|
61
|
50
|
90
|
51
|
54
|
56
|
39
|
53
|
62
|
61
|
84
|
69
|
73
|
74
|
82
|
64
|
60
|
47
|
46
|
46
|
31
|
32
|
30
|
36
|
24
|
|
2025/04
|
60
|
77
|
72
|
68
|
89
|
64
|
57
|
62
|
71
|
68
|
86
|
498
|
259
|
85
|
59
|
70
|
77
|
97
|
105
|
57
|
55
|
81
|
82
|
57
|
57
|
50
|
39
|
45
|
52
|
51
|
|
|
2025/03
|
112
|
66
|
24
|
19
|
28
|
39
|
47
|
57
|
63
|
51
|
79
|
111
|
56
|
33
|
54
|
49
|
51
|
46
|
44
|
50
|
53
|
52
|
59
|
53
|
49
|
86
|
247
|
74
|
65
|
63
|
46
|
|
2025/02
|
99
|
56
|
38
|
63
|
82
|
53
|
59
|
67
|
72
|
81
|
88
|
68
|
68
|
61
|
54
|
60
|
63
|
62
|
70
|
98
|
124
|
97
|
57
|
70
|
68
|
51
|
57
|
78
|
|||
|
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