Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
71
*
PM2.5
96
PM10
7
O3
1.3
CO
13
SO2
33
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 Dec
86
Good
Fri
19 Dec
91
Good
Sat
20 Dec
71
Good
Sun
21 Dec
68
Good
Mon
22 Dec
73
Good
Tue
23 Dec
71
Good
Wed
24 Dec
31
Excellent
Air quality in the last 12 months (Chaotian)
|
2025/11
|
38
|
32
|
29
|
24
|
27
|
22
|
23
|
38
|
27
|
34
|
35
|
40
|
40
|
49
|
33
|
39
|
37
|
30
|
38
|
47
|
54
|
63
|
45
|
53
|
53
|
60
|
74
|
75
|
81
|
60
|
|
|
2025/10
|
13
|
12
|
12
|
10
|
11
|
11
|
15
|
23
|
25
|
13
|
15
|
14
|
16
|
18
|
15
|
20
|
13
|
14
|
14
|
13
|
14
|
14
|
14
|
15
|
24
|
24
|
35
|
35
|
34
|
24
|
33
|
|
2025/09
|
26
|
25
|
28
|
21
|
20
|
41
|
25
|
16
|
21
|
20
|
14
|
15
|
21
|
24
|
24
|
16
|
16
|
11
|
11
|
13
|
11
|
11
|
12
|
23
|
24
|
30
|
19
|
13
|
18
|
23
|
|
|
2025/08
|
29
|
26
|
30
|
32
|
26
|
21
|
25
|
22
|
17
|
16
|
16
|
21
|
23
|
28
|
25
|
21
|
17
|
26
|
23
|
31
|
23
|
19
|
13
|
15
|
18
|
24
|
26
|
10
|
11
|
12
|
16
|
|
2025/07
|
17
|
22
|
25
|
24
|
17
|
21
|
19
|
22
|
20
|
22
|
21
|
25
|
30
|
32
|
36
|
39
|
40
|
24
|
29
|
29
|
20
|
23
|
19
|
16
|
19
|
27
|
25
|
25
|
27
|
21
|
27
|
|
2025/06
|
26
|
36
|
41
|
38
|
40
|
41
|
26
|
30
|
28
|
32
|
34
|
39
|
43
|
42
|
49
|
48
|
44
|
29
|
32
|
46
|
32
|
23
|
27
|
25
|
16
|
20
|
26
|
27
|
30
|
14
|
|
|
2025/05
|
57
|
55
|
85
|
68
|
29
|
49
|
34
|
41
|
237
|
48
|
64
|
55
|
39
|
50
|
56
|
66
|
97
|
87
|
85
|
72
|
68
|
78
|
72
|
52
|
53
|
55
|
38
|
36
|
39
|
40
|
37
|
|
2025/04
|
57
|
65
|
64
|
62
|
67
|
52
|
56
|
67
|
67
|
54
|
66
|
496
|
177
|
124
|
97
|
73
|
68
|
92
|
129
|
62
|
75
|
111
|
74
|
54
|
48
|
38
|
35
|
48
|
49
|
41
|
|
|
2025/03
|
59
|
47
|
26
|
21
|
25
|
39
|
35
|
46
|
47
|
50
|
154
|
126
|
57
|
29
|
44
|
48
|
52
|
54
|
55
|
55
|
45
|
55
|
58
|
57
|
55
|
64
|
276
|
92
|
82
|
49
|
48
|
|
2025/02
|
41
|
46
|
45
|
50
|
51
|
52
|
54
|
54
|
59
|
55
|
60
|
81
|
61
|
55
|
50
|
57
|
50
|
52
|
52
|
52
|
65
|
69
|
53
|
42
|
39
|
45
|
59
|
56
|
|||
|
2025/01
|
80
|
55
|
76
|
61
|
63
|
85
|
63
|
54
|
57
|
59
|
52
|
58
|
61
|
65
|
55
|
59
|
62
|
58
|
67
|
79
|
91
|
97
|
86
|
65
|
61
|
85
|
74
|
71
|
103
|
87
|
46
|
|
2024/12
|
53
|
64
|
50
|
49
|
48
|
51
|
53
|
46
|
41
|
52
|
60
|
57
|
32
|
38
|
56
|
72
|
80
|
65
|
53
|
60
|
63
|
65
|
68
|
56
|
57
|
60
|
60
|
45
|
57
|
63
|
61
|
|
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