Air Quality
Excellent
No health implications.
7
PM2.5
22
PM10
95
O3
0.4
CO
5
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
9 May
49
Excellent
Sat
10 May
42
Excellent
Sun
11 May
80
Good
Mon
12 May
83
Good
Tue
13 May
62
Good
Wed
14 May
59
Good
Thu
15 May
49
Excellent
Air quality in the last 12 months (Qixingguan)
|
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
|
|
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
|
|
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