Air Quality
Excellent
No health implications.
19
PM2.5
32
PM10
89
O3
0.4
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 May
58
Good
Mon
26 May
57
Good
Tue
27 May
42
Excellent
Wed
28 May
44
Excellent
Thu
29 May
57
Good
Fri
30 May
50
Excellent
Sat
31 May
17
Excellent
Air quality in the last 12 months (Shiqian)
|
2025/04
|
33
|
39
|
46
|
59
|
60
|
57
|
64
|
67
|
62
|
49
|
51
|
64
|
132
|
81
|
62
|
63
|
52
|
53
|
28
|
23
|
33
|
27
|
34
|
25
|
28
|
29
|
21
|
26
|
35
|
20
|
|
|
2025/03
|
41
|
51
|
40
|
25
|
23
|
28
|
34
|
35
|
31
|
35
|
38
|
49
|
56
|
30
|
19
|
33
|
38
|
29
|
34
|
36
|
48
|
56
|
56
|
52
|
57
|
65
|
65
|
62
|
30
|
26
|
30
|
|
2025/02
|
28
|
20
|
40
|
48
|
56
|
52
|
40
|
58
|
50
|
48
|
44
|
64
|
59
|
33
|
36
|
42
|
33
|
32
|
30
|
30
|
62
|
31
|
39
|
71
|
37
|
37
|
38
|
39
|
|||
|
2025/01
|
87
|
98
|
93
|
104
|
106
|
73
|
64
|
53
|
40
|
51
|
58
|
56
|
58
|
67
|
63
|
70
|
72
|
75
|
69
|
86
|
96
|
116
|
131
|
101
|
26
|
27
|
43
|
64
|
147
|
66
|
44
|
|
2024/12
|
56
|
68
|
73
|
76
|
22
|
33
|
35
|
45
|
44
|
19
|
26
|
56
|
68
|
54
|
48
|
50
|
67
|
72
|
74
|
91
|
105
|
80
|
75
|
74
|
79
|
80
|
80
|
92
|
86
|
91
|
69
|
|
2024/11
|
49
|
43
|
51
|
49
|
54
|
56
|
43
|
42
|
46
|
41
|
38
|
48
|
60
|
58
|
78
|
68
|
25
|
12
|
11
|
15
|
16
|
20
|
43
|
20
|
15
|
17
|
27
|
32
|
33
|
43
|
|
|
2024/10
|
14
|
16
|
30
|
31
|
36
|
47
|
46
|
28
|
30
|
41
|
55
|
65
|
54
|
23
|
26
|
23
|
24
|
25
|
15
|
14
|
17
|
17
|
18
|
18
|
24
|
30
|
37
|
34
|
31
|
32
|
46
|
|
2024/09
|
21
|
21
|
19
|
20
|
31
|
33
|
32
|
24
|
18
|
18
|
23
|
24
|
30
|
19
|
24
|
30
|
29
|
24
|
24
|
27
|
26
|
18
|
24
|
26
|
32
|
38
|
40
|
34
|
39
|
28
|
|
|
2024/08
|
11
|
13
|
15
|
11
|
15
|
17
|
18
|
19
|
19
|
21
|
30
|
42
|
36
|
31
|
29
|
28
|
25
|
21
|
21
|
19
|
18
|
18
|
14
|
12
|
13
|
17
|
17
|
19
|
19
|
23
|
20
|
|
2024/07
|
15
|
21
|
14
|
14
|
16
|
14
|
14
|
17
|
17
|
18
|
16
|
18
|
17
|
18
|
14
|
17
|
16
|
14
|
12
|
11
|
12
|
15
|
16
|
13
|
18
|
24
|
22
|
22
|
13
|
12
|
12
|
|
2024/06
|
19
|
19
|
12
|
12
|
14
|
13
|
14
|
11
|
10
|
10
|
15
|
15
|
18
|
18
|
22
|
20
|
13
|
10
|
15
|
19
|
18
|
18
|
14
|
17
|
16
|
12
|
12
|
15
|
12
|
16
|
|
|
2024/05
|
17
|
20
|
14
|
14
|
23
|
28
|
21
|
29
|
26
|
21
|
20
|
20
|
22
|
27
|
32
|
39
|
36
|
17
|
16
|
20
|
12
|
22
|
23
|
23
|
24
|
18
|
16
|
24
|
23
|
14
|
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