Air Quality
Excellent
No health implications.
8
PM2.5
22
PM10
50
O3
0.3
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Dec
49
Excellent
Sun
29 Dec
88
Good
Mon
30 Dec
58
Good
Tue
31 Dec
50
Excellent
Wed
1 Jan
34
Excellent
Thu
2 Jan
39
Excellent
Fri
3 Jan
15
Excellent
Air quality in the last 12 months (Changping)
|
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
|
|
2023/12
|
31
|
37
|
42
|
72
|
82
|
135
|
164
|
125
|
84
|
58
|
39
|
69
|
105
|
86
|
23
|
19
|
27
|
47
|
33
|
19
|
31
|
34
|
40
|
51
|
56
|
51
|
45
|
68
|
84
|
99
|
26
|
|
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