Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
18
PM2.5
64
*
PM10
95
O3
0.4
CO
4
SO2
7
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
18 Mar
54
Good
Thu
19 Mar
67
Good
Fri
20 Mar
74
Good
Sat
21 Mar
72
Good
Sun
22 Mar
69
Good
Mon
23 Mar
66
Good
Tue
24 Mar
30
Excellent
Air quality in the last 12 months (Chaotian)
|
2026/02
|
74
|
79
|
75
|
75
|
83
|
74
|
60
|
61
|
55
|
68
|
68
|
64
|
67
|
76
|
70
|
41
|
55
|
59
|
55
|
56
|
71
|
84
|
76
|
65
|
43
|
55
|
48
|
25
|
|||
|
2026/01
|
34
|
46
|
46
|
51
|
44
|
53
|
55
|
60
|
78
|
72
|
78
|
111
|
101
|
71
|
74
|
81
|
85
|
107
|
47
|
42
|
40
|
44
|
66
|
74
|
111
|
203
|
133
|
109
|
63
|
45
|
66
|
|
2025/12
|
69
|
55
|
53
|
56
|
56
|
76
|
76
|
74
|
80
|
71
|
88
|
62
|
68
|
64
|
61
|
64
|
80
|
104
|
93
|
43
|
36
|
33
|
52
|
51
|
55
|
55
|
68
|
93
|
89
|
94
|
37
|
|
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
|
|
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