Air Quality
Excellent
No health implications.
27
PM2.5
37
PM10
24
O3
0.8
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Feb
57
Good
Sat
21 Feb
76
Good
Sun
22 Feb
69
Good
Mon
23 Feb
63
Good
Tue
24 Feb
59
Good
Wed
25 Feb
49
Excellent
Thu
26 Feb
45
Excellent
Chaling Air quality rank
Air quality in the last 12 months (Chaling)
|
2026/01
|
36
|
45
|
56
|
66
|
55
|
70
|
66
|
60
|
61
|
75
|
82
|
86
|
100
|
82
|
94
|
103
|
107
|
122
|
64
|
21
|
48
|
62
|
73
|
55
|
81
|
75
|
116
|
73
|
58
|
46
|
34
|
|
2025/12
|
67
|
96
|
85
|
65
|
78
|
84
|
91
|
104
|
106
|
117
|
94
|
110
|
28
|
46
|
50
|
58
|
67
|
100
|
84
|
74
|
112
|
78
|
58
|
37
|
54
|
58
|
65
|
70
|
78
|
112
|
131
|
|
2025/11
|
53
|
48
|
34
|
35
|
35
|
31
|
54
|
15
|
11
|
16
|
40
|
57
|
45
|
49
|
51
|
58
|
66
|
30
|
32
|
38
|
46
|
54
|
60
|
56
|
54
|
63
|
68
|
73
|
66
|
60
|
|
|
2025/10
|
50
|
39
|
26
|
45
|
35
|
20
|
38
|
49
|
49
|
50
|
53
|
94
|
103
|
64
|
73
|
64
|
62
|
34
|
14
|
13
|
18
|
26
|
38
|
44
|
54
|
78
|
75
|
69
|
78
|
87
|
67
|
|
2025/09
|
22
|
23
|
27
|
26
|
25
|
27
|
39
|
22
|
13
|
15
|
17
|
20
|
19
|
31
|
34
|
28
|
26
|
34
|
36
|
19
|
21
|
24
|
33
|
13
|
16
|
22
|
31
|
40
|
46
|
45
|
|
|
2025/08
|
26
|
27
|
15
|
17
|
14
|
13
|
12
|
15
|
20
|
26
|
29
|
31
|
25
|
20
|
11
|
19
|
19
|
18
|
13
|
15
|
19
|
18
|
22
|
18
|
17
|
20
|
21
|
21
|
20
|
20
|
21
|
|
2025/07
|
15
|
13
|
19
|
24
|
32
|
32
|
39
|
34
|
29
|
18
|
19
|
19
|
25
|
24
|
19
|
20
|
23
|
26
|
26
|
19
|
15
|
13
|
13
|
18
|
22
|
25
|
18
|
18
|
20
|
18
|
21
|
|
2025/06
|
16
|
16
|
28
|
30
|
30
|
24
|
22
|
20
|
26
|
28
|
23
|
18
|
25
|
12
|
11
|
20
|
11
|
12
|
12
|
17
|
17
|
12
|
21
|
18
|
28
|
22
|
14
|
16
|
19
|
16
|
|
|
2025/05
|
48
|
52
|
53
|
49
|
31
|
38
|
58
|
31
|
26
|
45
|
42
|
47
|
40
|
34
|
45
|
18
|
16
|
15
|
16
|
15
|
15
|
21
|
20
|
42
|
46
|
44
|
48
|
14
|
15
|
22
|
15
|
|
2025/04
|
50
|
48
|
51
|
65
|
68
|
68
|
62
|
57
|
55
|
45
|
46
|
207
|
176
|
118
|
74
|
64
|
71
|
58
|
22
|
20
|
28
|
26
|
45
|
24
|
22
|
25
|
21
|
34
|
52
|
48
|
|
|
2025/03
|
32
|
28
|
19
|
22
|
29
|
35
|
44
|
40
|
41
|
32
|
38
|
48
|
42
|
17
|
18
|
40
|
48
|
36
|
39
|
43
|
46
|
46
|
60
|
63
|
63
|
66
|
65
|
64
|
45
|
18
|
44
|
|
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
|
|||
|
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