Air Quality
Excellent
No health implications.
15
PM2.5
20
PM10
27
O3
0.8
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Jan
88
Good
Tue
27 Jan
81
Good
Wed
28 Jan
90
Good
Thu
29 Jan
83
Good
Fri
30 Jan
49
Excellent
Sat
31 Jan
22
Excellent
Sun
1 Feb
22
Excellent
Air quality in the last 12 months (Shiqian)
|
2025/11
|
23
|
20
|
16
|
17
|
19
|
16
|
16
|
10
|
9
|
13
|
20
|
26
|
28
|
32
|
37
|
42
|
40
|
18
|
21
|
27
|
30
|
35
|
40
|
41
|
38
|
42
|
46
|
48
|
45
|
54
|
|
|
2025/10
|
14
|
15
|
17
|
17
|
18
|
21
|
17
|
17
|
18
|
18
|
18
|
27
|
27
|
21
|
18
|
13
|
15
|
14
|
9
|
11
|
11
|
17
|
28
|
30
|
39
|
32
|
22
|
26
|
38
|
30
|
26
|
|
2025/09
|
22
|
19
|
18
|
17
|
20
|
28
|
26
|
25
|
18
|
13
|
14
|
17
|
16
|
16
|
18
|
17
|
18
|
21
|
21
|
21
|
22
|
22
|
16
|
14
|
12
|
13
|
17
|
20
|
24
|
23
|
|
|
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
|
|
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