Air Quality
Excellent
No health implications.
4
PM2.5
14
PM10
25
O3
0.5
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jun
64
Good
Tue
1 Jul
72
Good
Wed
2 Jul
71
Good
Thu
3 Jul
83
Good
Fri
4 Jul
90
Good
Sat
5 Jul
30
Excellent
Sun
6 Jul
23
Excellent
Air quality in the last 12 months (Jiayu)
|
2025/05
|
44
|
53
|
51
|
47
|
35
|
98
|
120
|
39
|
40
|
41
|
39
|
39
|
48
|
57
|
44
|
23
|
30
|
88
|
60
|
31
|
18
|
17
|
41
|
54
|
43
|
40
|
49
|
26
|
25
|
22
|
14
|
|
2025/04
|
62
|
54
|
57
|
60
|
66
|
65
|
62
|
62
|
60
|
37
|
49
|
205
|
114
|
113
|
54
|
54
|
64
|
63
|
65
|
62
|
31
|
45
|
56
|
47
|
49
|
44
|
40
|
59
|
54
|
38
|
|
|
2025/03
|
51
|
36
|
11
|
31
|
42
|
49
|
55
|
59
|
52
|
43
|
40
|
57
|
43
|
35
|
27
|
43
|
30
|
38
|
42
|
39
|
41
|
48
|
55
|
51
|
49
|
61
|
87
|
63
|
66
|
65
|
65
|
|
2025/02
|
62
|
49
|
68
|
66
|
48
|
42
|
74
|
41
|
40
|
50
|
58
|
75
|
95
|
67
|
66
|
55
|
47
|
38
|
43
|
59
|
59
|
44
|
92
|
98
|
82
|
60
|
42
|
48
|
|||
|
2025/01
|
96
|
128
|
169
|
183
|
84
|
74
|
71
|
70
|
58
|
51
|
72
|
80
|
81
|
95
|
66
|
61
|
75
|
90
|
91
|
108
|
99
|
98
|
195
|
104
|
22
|
34
|
51
|
70
|
125
|
67
|
93
|
|
2024/12
|
43
|
57
|
98
|
80
|
46
|
51
|
47
|
78
|
54
|
67
|
71
|
85
|
73
|
54
|
54
|
49
|
68
|
77
|
67
|
85
|
91
|
60
|
71
|
84
|
100
|
129
|
137
|
53
|
45
|
87
|
109
|
|
2024/11
|
64
|
87
|
70
|
76
|
59
|
53
|
42
|
43
|
52
|
47
|
53
|
52
|
55
|
70
|
85
|
78
|
20
|
19
|
26
|
31
|
38
|
47
|
61
|
58
|
31
|
30
|
40
|
47
|
47
|
41
|
|
|
2024/10
|
20
|
48
|
37
|
30
|
40
|
74
|
32
|
29
|
46
|
67
|
73
|
78
|
108
|
70
|
64
|
44
|
24
|
23
|
19
|
29
|
32
|
20
|
28
|
39
|
48
|
46
|
55
|
78
|
62
|
54
|
47
|
|
2024/09
|
37
|
45
|
41
|
38
|
44
|
48
|
42
|
36
|
43
|
37
|
35
|
31
|
29
|
32
|
38
|
28
|
43
|
36
|
27
|
34
|
33
|
25
|
32
|
35
|
46
|
59
|
53
|
34
|
30
|
43
|
|
|
2024/08
|
13
|
17
|
20
|
21
|
24
|
24
|
27
|
28
|
25
|
26
|
65
|
69
|
36
|
30
|
25
|
27
|
36
|
36
|
29
|
26
|
29
|
29
|
24
|
20
|
22
|
29
|
23
|
18
|
36
|
36
|
34
|
|
2024/07
|
19
|
20
|
22
|
16
|
18
|
17
|
19
|
22
|
22
|
26
|
36
|
34
|
24
|
33
|
27
|
26
|
19
|
16
|
14
|
15
|
19
|
19
|
24
|
31
|
34
|
26
|
17
|
8
|
9
|
15
|
15
|
|
2024/06
|
21
|
37
|
30
|
19
|
25
|
26
|
29
|
32
|
23
|
15
|
19
|
28
|
27
|
25
|
27
|
30
|
34
|
24
|
11
|
19
|
20
|
11
|
15
|
16
|
19
|
21
|
14
|
12
|
11
|
13
|
|
|
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