Air Quality
Excellent
No health implications.
5
PM2.5
9
PM10
27
O3
0.5
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 May
45
Excellent
Sat
23 May
49
Excellent
Sun
24 May
54
Good
Mon
25 May
51
Good
Tue
26 May
50
Excellent
Wed
27 May
49
Excellent
Thu
28 May
19
Excellent
Air quality in the last 12 months (Jiahe)
|
2026/04
|
31
|
40
|
27
|
32
|
48
|
46
|
33
|
39
|
43
|
51
|
46
|
29
|
35
|
27
|
24
|
29
|
26
|
33
|
37
|
41
|
21
|
16
|
23
|
35
|
43
|
44
|
57
|
37
|
27
|
29
|
|
|
2026/03
|
15
|
17
|
27
|
48
|
43
|
41
|
53
|
52
|
16
|
48
|
35
|
39
|
54
|
54
|
92
|
86
|
47
|
35
|
36
|
30
|
28
|
55
|
54
|
29
|
52
|
67
|
36
|
31
|
33
|
24
|
30
|
|
2026/02
|
48
|
50
|
61
|
70
|
96
|
86
|
76
|
62
|
64
|
62
|
37
|
52
|
67
|
59
|
43
|
30
|
59
|
70
|
59
|
35
|
49
|
58
|
52
|
31
|
40
|
36
|
16
|
27
|
|||
|
2026/01
|
30
|
45
|
63
|
77
|
41
|
62
|
59
|
52
|
50
|
63
|
73
|
72
|
78
|
68
|
74
|
87
|
113
|
97
|
62
|
17
|
38
|
47
|
63
|
61
|
77
|
62
|
81
|
82
|
62
|
49
|
28
|
|
2025/12
|
64
|
98
|
94
|
90
|
80
|
84
|
84
|
92
|
94
|
87
|
79
|
91
|
20
|
37
|
50
|
53
|
67
|
88
|
64
|
56
|
110
|
116
|
83
|
27
|
55
|
55
|
59
|
59
|
67
|
88
|
124
|
|
2025/11
|
45
|
42
|
19
|
12
|
24
|
29
|
40
|
17
|
9
|
11
|
23
|
48
|
38
|
46
|
51
|
52
|
63
|
23
|
33
|
40
|
48
|
52
|
59
|
60
|
50
|
54
|
62
|
67
|
58
|
55
|
|
|
2025/10
|
52
|
33
|
29
|
42
|
43
|
17
|
22
|
39
|
32
|
33
|
40
|
39
|
75
|
44
|
55
|
54
|
51
|
30
|
11
|
10
|
10
|
21
|
35
|
41
|
48
|
65
|
66
|
72
|
77
|
91
|
53
|
|
2025/09
|
25
|
28
|
29
|
29
|
37
|
37
|
47
|
35
|
16
|
18
|
19
|
22
|
27
|
31
|
32
|
23
|
20
|
41
|
45
|
22
|
21
|
18
|
22
|
10
|
15
|
20
|
26
|
41
|
39
|
56
|
|
|
2025/08
|
27
|
21
|
13
|
20
|
18
|
12
|
14
|
18
|
28
|
34
|
31
|
34
|
33
|
30
|
11
|
19
|
22
|
21
|
13
|
16
|
20
|
22
|
29
|
27
|
27
|
23
|
27
|
26
|
26
|
21
|
26
|
|
2025/07
|
12
|
14
|
18
|
28
|
33
|
35
|
33
|
32
|
33
|
22
|
22
|
26
|
26
|
27
|
24
|
26
|
29
|
34
|
31
|
22
|
18
|
16
|
17
|
23
|
30
|
34
|
31
|
22
|
27
|
27
|
23
|
|
2025/06
|
24
|
23
|
37
|
46
|
45
|
41
|
31
|
31
|
39
|
38
|
38
|
29
|
32
|
18
|
16
|
22
|
11
|
11
|
18
|
19
|
16
|
21
|
24
|
25
|
26
|
21
|
15
|
13
|
14
|
15
|
|
|
2025/05
|
51
|
56
|
47
|
41
|
31
|
37
|
60
|
37
|
27
|
53
|
45
|
42
|
46
|
47
|
50
|
34
|
24
|
20
|
18
|
18
|
21
|
22
|
29
|
50
|
59
|
50
|
43
|
28
|
20
|
26
|
17
|
|
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