Air Quality
Excellent
No health implications.
27
PM2.5
32
PM10
37
O3
0.6
CO
2
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Nov
73
Good
Sun
9 Nov
48
Excellent
Mon
10 Nov
59
Good
Tue
11 Nov
82
Good
Wed
12 Nov
50
Excellent
Thu
13 Nov
31
Excellent
Fri
14 Nov
36
Excellent
Air quality in the last 12 months (Yanqing)
|
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
|
|
2024/11
|
81
|
94
|
55
|
11
|
28
|
38
|
76
|
143
|
155
|
140
|
76
|
49
|
101
|
87
|
54
|
38
|
28
|
39
|
63
|
65
|
25
|
24
|
54
|
94
|
30
|
7
|
11
|
10
|
15
|
32
|
|
|
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