Air Quality
Excellent
No health implications.
7
PM2.5
16
PM10
61
O3
0.5
CO
9
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
47
Excellent
Sun
28 Jul
48
Excellent
Mon
29 Jul
45
Excellent
Tue
30 Jul
49
Excellent
Wed
31 Jul
52
Good
Thu
1 Aug
47
Excellent
Fri
2 Aug
49
Excellent
Air quality in the last 12 months (Chaling)
|
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
|
|
2024/02
|
37
|
16
|
17
|
28
|
53
|
23
|
37
|
82
|
98
|
125
|
79
|
72
|
46
|
48
|
48
|
30
|
30
|
26
|
37
|
61
|
16
|
18
|
25
|
38
|
44
|
35
|
50
|
35
|
37
|
||
|
2024/01
|
91
|
101
|
60
|
53
|
64
|
73
|
76
|
89
|
83
|
84
|
69
|
70
|
75
|
69
|
168
|
167
|
112
|
55
|
20
|
24
|
59
|
33
|
50
|
51
|
54
|
59
|
70
|
75
|
60
|
34
|
52
|
|
2023/12
|
57
|
56
|
56
|
44
|
40
|
48
|
53
|
54
|
53
|
53
|
27
|
38
|
43
|
41
|
19
|
33
|
40
|
35
|
54
|
48
|
57
|
60
|
56
|
66
|
65
|
74
|
79
|
102
|
143
|
176
|
145
|
|
2023/11
|
53
|
48
|
52
|
73
|
61
|
22
|
34
|
30
|
28
|
17
|
13
|
12
|
38
|
59
|
54
|
42
|
63
|
61
|
58
|
59
|
53
|
50
|
60
|
67
|
68
|
67
|
64
|
69
|
65
|
74
|
|
|
2023/10
|
49
|
51
|
46
|
39
|
28
|
48
|
34
|
31
|
24
|
21
|
39
|
45
|
60
|
66
|
63
|
57
|
59
|
66
|
43
|
18
|
32
|
44
|
53
|
58
|
56
|
40
|
43
|
59
|
58
|
54
|
54
|
|
2023/09
|
34
|
35
|
35
|
36
|
42
|
25
|
23
|
24
|
28
|
26
|
25
|
25
|
20
|
19
|
18
|
26
|
27
|
30
|
32
|
32
|
25
|
26
|
32
|
40
|
39
|
48
|
53
|
53
|
51
|
61
|
|
|
2023/08
|
20
|
22
|
31
|
36
|
32
|
24
|
29
|
30
|
24
|
29
|
32
|
26
|
30
|
34
|
31
|
30
|
31
|
42
|
52
|
49
|
27
|
22
|
28
|
33
|
37
|
23
|
23
|
19
|
30
|
38
|
34
|
|
2023/07
|
31
|
28
|
21
|
18
|
21
|
20
|
21
|
21
|
23
|
22
|
26
|
26
|
28
|
30
|
38
|
48
|
34
|
24
|
15
|
18
|
20
|
23
|
23
|
28
|
25
|
24
|
26
|
20
|
27
|
25
|
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