Air Quality
Excellent
No health implications.
5
PM2.5
12
PM10
63
O3
0.4
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
52
Good
Tue
19 May
57
Good
Wed
20 May
46
Excellent
Thu
21 May
45
Excellent
Fri
22 May
48
Excellent
Sat
23 May
51
Good
Sun
24 May
47
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