Air Quality
Excellent
No health implications.
8
PM2.5
22
PM10
20
O3
0.9
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
79
Good
Tue
29 Apr
87
Good
Wed
30 Apr
62
Good
Thu
1 May
85
Good
Fri
2 May
89
Good
Sat
3 May
95
Good
Sun
4 May
88
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