Air Quality
Excellent
No health implications.
33
PM2.5
44
PM10
48
O3
0.9
CO
4
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Jan
60
Good
Mon
12 Jan
60
Good
Tue
13 Jan
58
Good
Wed
14 Jan
87
Good
Thu
15 Jan
82
Good
Fri
16 Jan
61
Good
Sat
17 Jan
39
Excellent
Air quality in the last 12 months (Jiaohe)
|
2025/11
|
49
|
32
|
48
|
49
|
86
|
90
|
33
|
54
|
32
|
36
|
107
|
84
|
46
|
119
|
80
|
51
|
90
|
45
|
46
|
49
|
37
|
78
|
128
|
243
|
495
|
281
|
79
|
35
|
37
|
47
|
|
|
2025/10
|
33
|
44
|
26
|
29
|
21
|
18
|
22
|
28
|
24
|
26
|
21
|
31
|
68
|
217
|
60
|
50
|
57
|
26
|
20
|
19
|
27
|
32
|
53
|
50
|
62
|
44
|
37
|
76
|
130
|
47
|
32
|
|
2025/09
|
12
|
19
|
20
|
23
|
24
|
18
|
17
|
15
|
17
|
18
|
18
|
33
|
32
|
29
|
21
|
27
|
24
|
23
|
24
|
24
|
27
|
22
|
29
|
21
|
30
|
26
|
24
|
26
|
26
|
26
|
|
|
2025/08
|
19
|
21
|
19
|
14
|
14
|
15
|
15
|
19
|
18
|
15
|
14
|
17
|
19
|
20
|
23
|
22
|
12
|
14
|
26
|
19
|
16
|
17
|
18
|
15
|
11
|
17
|
14
|
12
|
14
|
20
|
18
|
|
2025/07
|
21
|
19
|
24
|
21
|
24
|
23
|
24
|
27
|
33
|
34
|
31
|
33
|
28
|
20
|
16
|
13
|
16
|
13
|
15
|
17
|
15
|
23
|
17
|
19
|
24
|
23
|
21
|
17
|
19
|
15
|
15
|
|
2025/06
|
38
|
36
|
21
|
25
|
28
|
31
|
28
|
27
|
35
|
21
|
28
|
20
|
32
|
32
|
35
|
24
|
24
|
28
|
29
|
30
|
20
|
22
|
27
|
36
|
37
|
37
|
49
|
35
|
35
|
36
|
|
|
2025/05
|
26
|
22
|
25
|
19
|
26
|
26
|
36
|
42
|
53
|
27
|
44
|
49
|
49
|
45
|
35
|
31
|
26
|
29
|
21
|
31
|
41
|
39
|
22
|
31
|
27
|
26
|
32
|
33
|
36
|
34
|
42
|
|
2025/04
|
58
|
45
|
47
|
40
|
33
|
45
|
34
|
54
|
63
|
74
|
76
|
42
|
18
|
25
|
36
|
37
|
63
|
52
|
32
|
55
|
110
|
33
|
26
|
61
|
47
|
52
|
56
|
51
|
58
|
53
|
|
|
2025/03
|
70
|
21
|
26
|
24
|
39
|
64
|
48
|
55
|
76
|
79
|
76
|
84
|
48
|
34
|
33
|
40
|
51
|
66
|
69
|
73
|
76
|
34
|
25
|
74
|
78
|
60
|
37
|
27
|
34
|
37
|
51
|
|
2025/02
|
97
|
114
|
75
|
49
|
56
|
57
|
50
|
37
|
43
|
50
|
58
|
57
|
51
|
43
|
63
|
48
|
33
|
30
|
38
|
41
|
40
|
43
|
43
|
37
|
77
|
59
|
71
|
102
|
|||
|
2025/01
|
47
|
40
|
35
|
43
|
81
|
85
|
65
|
69
|
58
|
63
|
88
|
85
|
62
|
72
|
40
|
47
|
43
|
55
|
82
|
131
|
106
|
121
|
92
|
96
|
116
|
102
|
45
|
61
|
71
|
44
|
66
|
|
2024/12
|
45
|
23
|
21
|
24
|
25
|
42
|
33
|
36
|
44
|
51
|
37
|
42
|
68
|
41
|
28
|
34
|
51
|
47
|
47
|
62
|
72
|
37
|
47
|
32
|
48
|
43
|
35
|
36
|
37
|
59
|
40
|
|
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