Air Quality
Excellent
No health implications.
13
PM2.5
27
PM10
55
O3
0.5
CO
2
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jul
54
Good
Sun
13 Jul
55
Good
Mon
14 Jul
60
Good
Tue
15 Jul
62
Good
Wed
16 Jul
66
Good
Thu
17 Jul
67
Good
Fri
18 Jul
23
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