Air Quality
Excellent
No health implications.
19
PM2.5
32
PM10
42
O3
0.9
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Feb
50
Excellent
Wed
4 Feb
52
Good
Thu
5 Feb
84
Good
Fri
6 Feb
60
Good
Sat
7 Feb
47
Excellent
Sun
8 Feb
48
Excellent
Mon
9 Feb
46
Excellent
Air quality in the last 12 months (Qixingguan)
|
2025/12
|
121
|
118
|
89
|
32
|
53
|
97
|
41
|
88
|
56
|
36
|
102
|
60
|
34
|
68
|
55
|
47
|
45
|
104
|
112
|
38
|
67
|
66
|
30
|
38
|
60
|
84
|
81
|
102
|
70
|
44
|
25
|
|
2025/11
|
17
|
20
|
12
|
23
|
38
|
37
|
18
|
15
|
13
|
12
|
16
|
19
|
21
|
54
|
27
|
58
|
18
|
15
|
28
|
36
|
54
|
70
|
37
|
37
|
68
|
90
|
82
|
105
|
166
|
156
|
|
|
2025/10
|
12
|
20
|
32
|
26
|
29
|
26
|
14
|
11
|
17
|
26
|
32
|
28
|
26
|
43
|
34
|
30
|
18
|
12
|
14
|
13
|
9
|
21
|
28
|
53
|
13
|
18
|
19
|
46
|
35
|
21
|
23
|
|
2025/09
|
25
|
26
|
27
|
36
|
38
|
28
|
48
|
13
|
25
|
23
|
28
|
26
|
15
|
26
|
30
|
24
|
19
|
16
|
20
|
36
|
36
|
18
|
15
|
16
|
19
|
17
|
20
|
20
|
23
|
19
|
|
|
2025/08
|
36
|
36
|
42
|
52
|
40
|
22
|
22
|
29
|
31
|
28
|
14
|
24
|
25
|
27
|
24
|
19
|
19
|
26
|
30
|
20
|
20
|
13
|
16
|
20
|
19
|
18
|
17
|
25
|
27
|
23
|
22
|
|
2025/07
|
22
|
9
|
11
|
12
|
20
|
24
|
26
|
28
|
15
|
17
|
15
|
19
|
31
|
31
|
30
|
34
|
41
|
35
|
25
|
18
|
11
|
9
|
9
|
12
|
16
|
18
|
20
|
25
|
34
|
35
|
32
|
|
2025/06
|
14
|
10
|
22
|
28
|
37
|
64
|
52
|
35
|
35
|
27
|
35
|
39
|
42
|
40
|
22
|
29
|
42
|
22
|
12
|
25
|
25
|
21
|
35
|
38
|
12
|
12
|
23
|
25
|
22
|
20
|
|
|
2025/05
|
43
|
43
|
57
|
52
|
42
|
21
|
44
|
16
|
32
|
24
|
30
|
39
|
60
|
37
|
57
|
54
|
39
|
43
|
37
|
38
|
45
|
37
|
45
|
51
|
42
|
35
|
18
|
10
|
24
|
26
|
17
|
|
2025/04
|
20
|
36
|
55
|
60
|
52
|
36
|
31
|
52
|
64
|
83
|
70
|
151
|
150
|
86
|
75
|
75
|
39
|
43
|
21
|
36
|
35
|
22
|
62
|
23
|
32
|
37
|
12
|
27
|
33
|
16
|
|
|
2025/03
|
97
|
136
|
43
|
33
|
16
|
15
|
33
|
30
|
19
|
43
|
51
|
29
|
47
|
17
|
10
|
18
|
7
|
16
|
28
|
42
|
47
|
47
|
41
|
51
|
52
|
48
|
50
|
125
|
22
|
18
|
21
|
|
2025/02
|
18
|
13
|
14
|
52
|
41
|
10
|
19
|
40
|
60
|
35
|
47
|
41
|
15
|
15
|
36
|
51
|
34
|
28
|
29
|
16
|
21
|
16
|
22
|
28
|
16
|
42
|
58
|
91
|
|||
|
2025/01
|
95
|
78
|
103
|
54
|
60
|
97
|
16
|
17
|
34
|
27
|
29
|
61
|
69
|
46
|
57
|
59
|
100
|
32
|
63
|
72
|
112
|
73
|
74
|
30
|
14
|
37
|
65
|
66
|
94
|
91
|
22
|
|
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