Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
29
O3
0.5
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Dec
45
Excellent
Tue
30 Dec
37
Excellent
Wed
31 Dec
49
Excellent
Thu
1 Jan
55
Good
Fri
2 Jan
60
Good
Sat
3 Jan
67
Good
Sun
4 Jan
41
Excellent
Air quality in the last 12 months (Yanqing)
|
2025/11
|
9
|
13
|
50
|
59
|
127
|
120
|
58
|
47
|
22
|
32
|
53
|
56
|
25
|
52
|
63
|
21
|
16
|
25
|
46
|
26
|
48
|
52
|
75
|
44
|
32
|
64
|
30
|
52
|
74
|
77
|
|
|
2025/10
|
37
|
50
|
31
|
34
|
38
|
18
|
31
|
12
|
6
|
8
|
26
|
29
|
37
|
46
|
56
|
44
|
8
|
13
|
12
|
18
|
28
|
34
|
49
|
68
|
69
|
15
|
21
|
70
|
141
|
96
|
40
|
|
2025/09
|
16
|
34
|
42
|
47
|
39
|
20
|
23
|
24
|
40
|
38
|
47
|
57
|
48
|
19
|
17
|
19
|
12
|
17
|
23
|
31
|
37
|
36
|
30
|
28
|
29
|
42
|
47
|
29
|
23
|
25
|
|
|
2025/08
|
38
|
53
|
16
|
38
|
18
|
17
|
17
|
22
|
13
|
16
|
26
|
23
|
14
|
29
|
42
|
13
|
24
|
33
|
16
|
14
|
19
|
17
|
20
|
16
|
18
|
21
|
12
|
20
|
31
|
35
|
25
|
|
2025/07
|
27
|
32
|
14
|
25
|
18
|
11
|
28
|
32
|
34
|
18
|
50
|
42
|
15
|
25
|
40
|
15
|
10
|
26
|
60
|
11
|
15
|
33
|
35
|
25
|
18
|
33
|
28
|
22
|
7
|
11
|
25
|
|
2025/06
|
58
|
8
|
8
|
17
|
33
|
29
|
18
|
39
|
35
|
29
|
50
|
65
|
51
|
50
|
11
|
11
|
27
|
52
|
30
|
18
|
15
|
24
|
38
|
49
|
52
|
56
|
68
|
47
|
41
|
39
|
|
|
2025/05
|
24
|
20
|
13
|
27
|
53
|
35
|
61
|
85
|
12
|
35
|
37
|
59
|
68
|
21
|
43
|
55
|
41
|
25
|
33
|
84
|
79
|
62
|
49
|
37
|
45
|
34
|
25
|
44
|
64
|
64
|
60
|
|
2025/04
|
24
|
20
|
50
|
45
|
16
|
51
|
53
|
25
|
35
|
47
|
93
|
61
|
58
|
36
|
34
|
79
|
60
|
14
|
28
|
62
|
64
|
25
|
45
|
21
|
40
|
66
|
10
|
35
|
52
|
32
|
|
|
2025/03
|
154
|
79
|
31
|
48
|
41
|
21
|
56
|
91
|
123
|
131
|
141
|
55
|
83
|
67
|
40
|
17
|
18
|
16
|
22
|
20
|
24
|
54
|
178
|
81
|
39
|
80
|
37
|
21
|
15
|
29
|
38
|
|
2025/02
|
89
|
51
|
7
|
14
|
20
|
44
|
15
|
14
|
22
|
46
|
106
|
20
|
47
|
52
|
67
|
22
|
18
|
28
|
19
|
18
|
18
|
18
|
19
|
35
|
36
|
49
|
78
|
102
|
|||
|
2025/01
|
58
|
15
|
24
|
36
|
32
|
15
|
9
|
15
|
17
|
23
|
47
|
26
|
23
|
15
|
27
|
47
|
65
|
64
|
40
|
54
|
49
|
32
|
81
|
111
|
137
|
92
|
16
|
18
|
89
|
31
|
66
|
|
2024/12
|
37
|
13
|
21
|
19
|
17
|
16
|
16
|
25
|
44
|
54
|
42
|
51
|
21
|
20
|
31
|
33
|
16
|
22
|
38
|
35
|
22
|
31
|
52
|
70
|
56
|
22
|
13
|
41
|
65
|
72
|
58
|
|
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