Air Quality
Excellent
No health implications.
32
PM2.5
47
PM10
76
O3
0.7
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 May
73
Good
Wed
7 May
66
Good
Thu
8 May
48
Excellent
Fri
9 May
55
Good
Sat
10 May
75
Good
Sun
11 May
77
Good
Mon
12 May
81
Good
Air quality in the last 12 months (Chaling)
|
2025/02
|
27
|
20
|
37
|
47
|
56
|
62
|
52
|
62
|
41
|
45
|
57
|
62
|
82
|
99
|
57
|
35
|
48
|
38
|
28
|
15
|
48
|
20
|
29
|
58
|
90
|
80
|
50
|
40
|
|||
|
2025/01
|
116
|
97
|
135
|
142
|
145
|
100
|
81
|
84
|
60
|
54
|
57
|
66
|
63
|
56
|
84
|
65
|
64
|
64
|
80
|
73
|
83
|
77
|
103
|
174
|
44
|
26
|
47
|
65
|
140
|
84
|
50
|
|
2024/12
|
54
|
58
|
62
|
108
|
57
|
37
|
48
|
67
|
84
|
75
|
51
|
65
|
92
|
65
|
55
|
61
|
63
|
68
|
86
|
102
|
98
|
99
|
88
|
99
|
121
|
120
|
136
|
113
|
78
|
97
|
109
|
|
2024/11
|
52
|
74
|
64
|
62
|
70
|
53
|
49
|
44
|
49
|
61
|
47
|
52
|
53
|
55
|
44
|
56
|
28
|
15
|
23
|
34
|
47
|
46
|
51
|
61
|
43
|
29
|
39
|
42
|
44
|
49
|
|
|
2024/10
|
36
|
40
|
43
|
41
|
42
|
57
|
68
|
52
|
47
|
48
|
55
|
59
|
98
|
94
|
56
|
31
|
34
|
35
|
22
|
25
|
40
|
24
|
33
|
37
|
44
|
60
|
39
|
44
|
56
|
44
|
43
|
|
2024/09
|
34
|
38
|
40
|
34
|
38
|
30
|
21
|
21
|
23
|
25
|
33
|
35
|
27
|
37
|
31
|
37
|
44
|
45
|
41
|
38
|
33
|
33
|
35
|
40
|
43
|
41
|
49
|
46
|
39
|
43
|
|
|
2024/08
|
15
|
16
|
24
|
27
|
27
|
26
|
20
|
24
|
28
|
28
|
25
|
22
|
19
|
23
|
25
|
28
|
28
|
33
|
23
|
28
|
33
|
19
|
20
|
22
|
28
|
26
|
30
|
25
|
26
|
30
|
38
|
|
2024/07
|
15
|
14
|
19
|
13
|
12
|
15
|
16
|
16
|
19
|
20
|
17
|
19
|
16
|
16
|
21
|
15
|
11
|
12
|
15
|
14
|
18
|
20
|
20
|
30
|
31
|
25
|
16
|
11
|
13
|
14
|
14
|
|
2024/06
|
16
|
17
|
25
|
14
|
13
|
24
|
28
|
31
|
34
|
20
|
17
|
15
|
15
|
15
|
14
|
17
|
11
|
16
|
16
|
19
|
20
|
19
|
18
|
18
|
11
|
14
|
19
|
19
|
15
|
17
|
|
|
2024/05
|
17
|
27
|
29
|
20
|
25
|
35
|
54
|
55
|
50
|
56
|
29
|
52
|
72
|
58
|
54
|
56
|
49
|
44
|
26
|
22
|
30
|
24
|
24
|
25
|
24
|
21
|
15
|
26
|
27
|
25
|
19
|
|
2024/04
|
32
|
47
|
27
|
23
|
26
|
29
|
35
|
39
|
38
|
33
|
43
|
43
|
40
|
51
|
51
|
42
|
22
|
36
|
23
|
23
|
23
|
32
|
33
|
40
|
27
|
26
|
36
|
37
|
37
|
14
|
|
|
2024/03
|
62
|
50
|
38
|
35
|
39
|
91
|
60
|
56
|
50
|
56
|
50
|
43
|
48
|
39
|
34
|
31
|
42
|
16
|
46
|
58
|
64
|
42
|
29
|
27
|
31
|
26
|
41
|
27
|
31
|
36
|
28
|
|
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