Air Quality
Excellent
No health implications.
3
PM2.5
6
PM10
39
O3
0.4
CO
3
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Jul
26
Excellent
Wed
23 Jul
30
Excellent
Thu
24 Jul
33
Excellent
Fri
25 Jul
31
Excellent
Sat
26 Jul
29
Excellent
Sun
27 Jul
36
Excellent
Mon
28 Jul
43
Excellent
Air quality in the last 12 months (Qixingguan)
|
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
|
|
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
|
|
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