Air Quality
Excellent
No health implications.
19
PM2.5
27
PM10
44
O3
0.2
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jan
129
Light
Thu
30 Jan
120
Light
Fri
31 Jan
100
Good
Sat
1 Feb
122
Light
Sun
2 Feb
41
Excellent
Mon
3 Feb
34
Excellent
Tue
4 Feb
27
Excellent
Air quality in the last 12 months (Changping)
|
2024/12
|
39
|
10
|
22
|
19
|
15
|
15
|
15
|
22
|
39
|
34
|
35
|
63
|
29
|
25
|
32
|
26
|
13
|
13
|
33
|
38
|
18
|
19
|
32
|
51
|
55
|
22
|
21
|
41
|
56
|
69
|
30
|
|
2024/11
|
141
|
132
|
69
|
9
|
25
|
43
|
79
|
152
|
168
|
114
|
70
|
72
|
82
|
52
|
78
|
35
|
26
|
37
|
57
|
56
|
19
|
27
|
49
|
79
|
32
|
10
|
21
|
19
|
18
|
30
|
|
|
2024/10
|
9
|
11
|
26
|
60
|
78
|
86
|
11
|
18
|
77
|
9
|
35
|
85
|
105
|
89
|
26
|
50
|
59
|
32
|
7
|
31
|
54
|
14
|
35
|
54
|
140
|
186
|
11
|
34
|
72
|
63
|
116
|
|
2024/09
|
17
|
11
|
30
|
59
|
7
|
13
|
18
|
20
|
40
|
9
|
17
|
18
|
31
|
20
|
20
|
29
|
22
|
37
|
53
|
30
|
8
|
8
|
27
|
57
|
28
|
26
|
45
|
40
|
63
|
6
|
|
|
2024/08
|
32
|
36
|
31
|
33
|
12
|
37
|
54
|
37
|
42
|
25
|
14
|
7
|
14
|
22
|
41
|
40
|
31
|
22
|
20
|
14
|
17
|
15
|
33
|
20
|
24
|
12
|
15
|
24
|
34
|
45
|
58
|
|
2024/07
|
23
|
37
|
37
|
54
|
75
|
32
|
32
|
35
|
64
|
70
|
77
|
41
|
49
|
68
|
65
|
42
|
19
|
24
|
30
|
33
|
52
|
25
|
60
|
48
|
27
|
26
|
34
|
27
|
42
|
12
|
24
|
|
2024/06
|
29
|
40
|
44
|
54
|
60
|
60
|
29
|
35
|
30
|
37
|
25
|
39
|
49
|
35
|
15
|
40
|
57
|
60
|
67
|
63
|
59
|
129
|
175
|
15
|
27
|
62
|
68
|
57
|
61
|
35
|
|
|
2024/05
|
36
|
58
|
59
|
67
|
94
|
62
|
52
|
60
|
70
|
107
|
114
|
31
|
41
|
50
|
26
|
52
|
65
|
72
|
74
|
23
|
49
|
68
|
83
|
43
|
20
|
17
|
32
|
44
|
62
|
29
|
14
|
|
2024/04
|
84
|
94
|
80
|
76
|
69
|
56
|
40
|
82
|
65
|
62
|
96
|
150
|
88
|
63
|
97
|
53
|
82
|
84
|
71
|
52
|
76
|
85
|
18
|
45
|
91
|
103
|
80
|
34
|
21
|
18
|
|
|
2024/03
|
32
|
73
|
57
|
55
|
74
|
33
|
34
|
20
|
50
|
97
|
60
|
25
|
48
|
60
|
106
|
116
|
40
|
114
|
79
|
49
|
83
|
55
|
77
|
86
|
61
|
111
|
144
|
201
|
101
|
39
|
85
|
|
2024/02
|
23
|
43
|
55
|
74
|
68
|
43
|
27
|
31
|
58
|
36
|
44
|
77
|
128
|
51
|
26
|
59
|
88
|
84
|
32
|
24
|
24
|
24
|
27
|
48
|
42
|
61
|
71
|
66
|
27
|
||
|
2024/01
|
54
|
72
|
30
|
49
|
43
|
18
|
25
|
55
|
38
|
31
|
59
|
73
|
72
|
22
|
36
|
65
|
106
|
95
|
72
|
55
|
18
|
18
|
21
|
27
|
24
|
38
|
30
|
47
|
90
|
116
|
50
|
|
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