Air Quality
Excellent
No health implications.
7
PM2.5
31
PM10
68
O3
0.4
CO
2
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Mar
152
Moderate
Thu
13 Mar
82
Good
Fri
14 Mar
85
Good
Sat
15 Mar
50
Excellent
Sun
16 Mar
49
Excellent
Mon
17 Mar
59
Good
Tue
18 Mar
33
Excellent
Air quality in the last 12 months (Changping)
|
2025/01
|
50
|
16
|
29
|
47
|
41
|
15
|
13
|
14
|
17
|
17
|
38
|
28
|
35
|
25
|
26
|
46
|
55
|
61
|
31
|
45
|
29
|
44
|
77
|
109
|
167
|
100
|
25
|
17
|
35
|
38
|
72
|
|
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
|
||
|
1
|
2
|
3
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4
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5
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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