Air Quality
Excellent
No health implications.
24
PM2.5
38
PM10
45
O3
0.8
CO
8
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 Mar
32
Excellent
Mon
10 Mar
32
Excellent
Tue
11 Mar
40
Excellent
Wed
12 Mar
85
Good
Thu
13 Mar
90
Good
Fri
14 Mar
83
Good
Sat
15 Mar
25
Excellent
Air quality in the last 12 months (Qixingguan)
|
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
|
|
2024/12
|
108
|
122
|
51
|
49
|
35
|
40
|
42
|
38
|
21
|
8
|
26
|
16
|
12
|
21
|
26
|
48
|
36
|
61
|
54
|
50
|
25
|
26
|
41
|
21
|
16
|
23
|
35
|
56
|
56
|
29
|
49
|
|
2024/11
|
15
|
23
|
60
|
24
|
23
|
55
|
78
|
72
|
48
|
59
|
67
|
53
|
30
|
32
|
67
|
55
|
20
|
11
|
11
|
13
|
21
|
32
|
34
|
19
|
10
|
18
|
15
|
23
|
45
|
79
|
|
|
2024/10
|
10
|
20
|
24
|
48
|
61
|
20
|
29
|
30
|
28
|
30
|
53
|
22
|
12
|
21
|
26
|
37
|
25
|
36
|
21
|
24
|
25
|
10
|
31
|
52
|
49
|
43
|
20
|
43
|
63
|
59
|
55
|
|
2024/09
|
28
|
30
|
17
|
28
|
28
|
35
|
30
|
18
|
20
|
26
|
24
|
25
|
26
|
35
|
43
|
48
|
26
|
27
|
30
|
34
|
20
|
20
|
35
|
37
|
58
|
67
|
46
|
45
|
36
|
10
|
|
|
2024/08
|
29
|
24
|
20
|
18
|
21
|
28
|
22
|
20
|
23
|
10
|
60
|
63
|
48
|
44
|
44
|
45
|
61
|
37
|
35
|
36
|
40
|
37
|
35
|
34
|
29
|
23
|
32
|
35
|
38
|
42
|
38
|
|
2024/07
|
19
|
20
|
22
|
13
|
19
|
25
|
20
|
22
|
24
|
17
|
18
|
16
|
19
|
16
|
15
|
17
|
20
|
20
|
17
|
21
|
16
|
19
|
19
|
19
|
23
|
26
|
29
|
15
|
15
|
17
|
30
|
|
2024/06
|
44
|
28
|
19
|
9
|
20
|
42
|
10
|
20
|
10
|
18
|
18
|
24
|
28
|
34
|
36
|
43
|
18
|
27
|
31
|
28
|
25
|
16
|
23
|
17
|
23
|
38
|
26
|
18
|
19
|
34
|
|
|
2024/05
|
15
|
24
|
10
|
11
|
25
|
48
|
31
|
37
|
26
|
30
|
23
|
14
|
22
|
39
|
30
|
29
|
43
|
24
|
25
|
23
|
25
|
29
|
38
|
42
|
40
|
20
|
25
|
38
|
15
|
11
|
25
|
|
2024/04
|
43
|
48
|
36
|
14
|
32
|
14
|
9
|
12
|
48
|
34
|
18
|
48
|
55
|
59
|
55
|
61
|
19
|
25
|
17
|
20
|
42
|
41
|
22
|
32
|
26
|
35
|
29
|
48
|
49
|
9
|
|
|
2024/03
|
33
|
40
|
48
|
39
|
26
|
33
|
12
|
38
|
23
|
39
|
25
|
61
|
63
|
55
|
51
|
40
|
35
|
12
|
24
|
52
|
65
|
59
|
26
|
52
|
21
|
52
|
55
|
15
|
47
|
53
|
49
|
|
2024/02
|
46
|
45
|
26
|
27
|
23
|
18
|
15
|
23
|
64
|
144
|
59
|
67
|
73
|
85
|
42
|
56
|
65
|
29
|
67
|
41
|
115
|
22
|
12
|
17
|
20
|
21
|
40
|
29
|
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