Air Quality
Excellent
No health implications.
16
PM2.5
24
PM10
25
O3
0.8
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Sep
41
Excellent
Tue
15 Sep
38
Excellent
Wed
16 Sep
45
Excellent
Thu
17 Sep
41
Excellent
Fri
18 Sep
36
Excellent
Sat
19 Sep
41
Excellent
Sun
20 Sep
21
Excellent
Air quality in the last 12 months (Chaotian)
|
2026/08
|
21
|
22
|
24
|
26
|
27
|
24
|
28
|
28
|
26
|
30
|
28
|
28
|
27
|
29
|
30
|
30
|
22
|
21
|
22
|
31
|
32
|
33
|
27
|
24
|
28
|
30
|
36
|
27
|
30
|
27
|
30
|
|
2026/07
|
35
|
34
|
31
|
33
|
34
|
39
|
41
|
37
|
45
|
34
|
28
|
25
|
25
|
39
|
27
|
28
|
30
|
58
|
41
|
48
|
45
|
45
|
46
|
44
|
39
|
32
|
25
|
23
|
23
|
25
|
23
|
|
2026/06
|
47
|
50
|
50
|
46
|
52
|
51
|
39
|
29
|
33
|
40
|
39
|
35
|
36
|
50
|
49
|
41
|
43
|
28
|
31
|
31
|
23
|
27
|
26
|
25
|
26
|
32
|
34
|
35
|
42
|
35
|
|
|
2026/05
|
33
|
45
|
44
|
43
|
47
|
49
|
51
|
39
|
38
|
52
|
68
|
70
|
36
|
36
|
33
|
22
|
26
|
36
|
41
|
38
|
38
|
30
|
41
|
34
|
37
|
43
|
38
|
52
|
35
|
39
|
47
|
|
2026/04
|
38
|
40
|
65
|
73
|
64
|
52
|
38
|
23
|
33
|
46
|
44
|
34
|
33
|
36
|
32
|
49
|
49
|
45
|
163
|
66
|
23
|
28
|
33
|
45
|
50
|
56
|
51
|
33
|
37
|
42
|
|
|
2026/03
|
18
|
22
|
26
|
39
|
57
|
59
|
46
|
23
|
29
|
35
|
40
|
54
|
65
|
33
|
52
|
23
|
24
|
49
|
50
|
54
|
40
|
50
|
47
|
41
|
39
|
44
|
49
|
47
|
41
|
30
|
36
|
|
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
|
|
|
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