Air Quality
Excellent
No health implications.
30
PM2.5
33
PM10
36
O3
0.7
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
60
Good
Tue
27 May
42
Excellent
Wed
28 May
36
Excellent
Thu
29 May
68
Good
Fri
30 May
70
Good
Sat
31 May
71
Good
Sun
1 Jun
42
Excellent
Air quality in the last 12 months (Qixingguan)
|
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
|
|
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
|
|
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