Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
17
O3
0.5
CO
10
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Aug
49
Excellent
Sun
31 Aug
51
Good
Mon
1 Sep
49
Excellent
Tue
2 Sep
42
Excellent
Wed
3 Sep
49
Excellent
Thu
4 Sep
45
Excellent
Fri
5 Sep
17
Excellent
Chaotian Air quality rank
Air quality in the last 12 months (Chaotian)
|
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
|
|
2024/11
|
22
|
23
|
28
|
34
|
27
|
35
|
41
|
49
|
34
|
35
|
36
|
22
|
21
|
26
|
28
|
28
|
18
|
15
|
16
|
22
|
27
|
28
|
31
|
22
|
25
|
40
|
45
|
48
|
49
|
51
|
|
|
2024/10
|
16
|
22
|
24
|
30
|
28
|
37
|
35
|
43
|
31
|
26
|
36
|
24
|
22
|
27
|
31
|
32
|
31
|
27
|
25
|
15
|
18
|
24
|
30
|
37
|
27
|
23
|
16
|
24
|
35
|
34
|
21
|
|
2024/09
|
26
|
35
|
34
|
25
|
14
|
20
|
28
|
37
|
28
|
14
|
20
|
23
|
27
|
19
|
35
|
30
|
28
|
32
|
36
|
28
|
15
|
18
|
27
|
36
|
33
|
34
|
59
|
63
|
34
|
15
|
|
|
2024/08
|
25
|
20
|
18
|
16
|
15
|
18
|
17
|
15
|
36
|
59
|
39
|
32
|
33
|
27
|
16
|
15
|
19
|
14
|
17
|
24
|
26
|
35
|
34
|
32
|
28
|
25
|
17
|
21
|
28
|
26
|
30
|
|
2024/07
|
15
|
18
|
15
|
15
|
22
|
23
|
13
|
12
|
15
|
15
|
14
|
17
|
22
|
20
|
13
|
14
|
17
|
15
|
14
|
14
|
22
|
23
|
24
|
46
|
74
|
51
|
36
|
29
|
20
|
18
|
22
|
|
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