Air Quality
Excellent
No health implications.
30
PM2.5
39
PM10
53
O3
0.5
CO
5
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Oct
48
Excellent
Sun
26 Oct
50
Excellent
Mon
27 Oct
62
Good
Tue
28 Oct
69
Good
Wed
29 Oct
68
Good
Thu
30 Oct
42
Excellent
Fri
31 Oct
18
Excellent
Air quality in the last 12 months (Shiqian)
|
2025/08
|
19
|
20
|
20
|
22
|
21
|
18
|
16
|
12
|
15
|
16
|
16
|
24
|
30
|
17
|
14
|
12
|
15
|
16
|
15
|
15
|
13
|
14
|
16
|
17
|
17
|
17
|
15
|
15
|
25
|
27
|
24
|
|
2025/07
|
13
|
12
|
14
|
14
|
16
|
19
|
19
|
23
|
23
|
19
|
17
|
26
|
20
|
18
|
14
|
15
|
17
|
24
|
25
|
23
|
16
|
14
|
12
|
12
|
13
|
15
|
17
|
18
|
19
|
19
|
18
|
|
2025/06
|
17
|
15
|
20
|
20
|
25
|
24
|
28
|
29
|
25
|
21
|
22
|
24
|
23
|
17
|
21
|
23
|
15
|
15
|
14
|
11
|
15
|
13
|
11
|
14
|
15
|
15
|
14
|
12
|
15
|
18
|
|
|
2025/05
|
34
|
43
|
38
|
30
|
28
|
28
|
26
|
23
|
26
|
23
|
27
|
28
|
28
|
46
|
43
|
27
|
35
|
32
|
42
|
34
|
23
|
20
|
24
|
38
|
37
|
24
|
15
|
12
|
18
|
21
|
17
|
|
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
|
|
|
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