Air Quality
Excellent
No health implications.
31
PM2.5
45
PM10
50
O3
0.5
CO
2
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
76
Good
Wed
16 Jul
53
Good
Thu
17 Jul
81
Good
Fri
18 Jul
122
Light
Sat
19 Jul
113
Light
Sun
20 Jul
65
Good
Mon
21 Jul
43
Excellent
Air quality in the last 12 months (Yanqing)
|
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
|
|
|
2024/10
|
7
|
15
|
27
|
55
|
81
|
85
|
10
|
20
|
35
|
12
|
37
|
75
|
95
|
64
|
27
|
49
|
56
|
20
|
7
|
24
|
51
|
13
|
32
|
46
|
129
|
179
|
16
|
34
|
43
|
62
|
168
|
|
2024/09
|
18
|
9
|
26
|
45
|
8
|
13
|
12
|
25
|
38
|
6
|
14
|
16
|
21
|
13
|
19
|
32
|
17
|
32
|
46
|
24
|
6
|
9
|
25
|
46
|
27
|
32
|
47
|
51
|
64
|
7
|
|
|
2024/08
|
12
|
27
|
27
|
19
|
13
|
29
|
47
|
36
|
40
|
30
|
7
|
9
|
10
|
20
|
35
|
35
|
27
|
17
|
13
|
15
|
11
|
17
|
25
|
17
|
18
|
8
|
13
|
21
|
29
|
39
|
53
|
|
2024/07
|
16
|
28
|
30
|
44
|
49
|
23
|
22
|
33
|
59
|
67
|
68
|
30
|
40
|
57
|
67
|
32
|
11
|
18
|
26
|
22
|
53
|
21
|
52
|
44
|
11
|
18
|
32
|
28
|
29
|
22
|
10
|
|
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