Air Quality
Excellent
No health implications.
9
PM2.5
9
PM10
104
O3
0.2
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Apr
70
Good
Thu
30 Apr
91
Good
Fri
1 May
68
Good
Sat
2 May
73
Good
Sun
3 May
69
Good
Mon
4 May
74
Good
Tue
5 May
15
Excellent
Air quality in the last 12 months (Baodi)
|
2026/03
|
86
|
109
|
123
|
83
|
80
|
66
|
78
|
90
|
29
|
103
|
134
|
89
|
86
|
86
|
58
|
77
|
153
|
42
|
54
|
62
|
109
|
140
|
119
|
180
|
165
|
216
|
128
|
65
|
127
|
26
|
44
|
|
2026/02
|
65
|
25
|
130
|
185
|
69
|
14
|
25
|
37
|
129
|
120
|
120
|
153
|
158
|
145
|
20
|
34
|
162
|
42
|
65
|
126
|
195
|
43
|
42
|
81
|
88
|
91
|
49
|
72
|
|||
|
2026/01
|
37
|
46
|
92
|
118
|
84
|
55
|
22
|
67
|
93
|
31
|
34
|
68
|
37
|
73
|
106
|
82
|
39
|
53
|
21
|
20
|
24
|
57
|
63
|
114
|
61
|
61
|
65
|
70
|
78
|
106
|
88
|
|
2025/12
|
43
|
21
|
37
|
45
|
59
|
110
|
63
|
33
|
70
|
130
|
74
|
41
|
40
|
57
|
120
|
113
|
117
|
188
|
180
|
18
|
35
|
72
|
65
|
35
|
26
|
66
|
90
|
169
|
43
|
38
|
20
|
|
2025/11
|
58
|
15
|
50
|
98
|
189
|
129
|
54
|
70
|
40
|
72
|
123
|
66
|
24
|
96
|
115
|
45
|
26
|
28
|
57
|
34
|
61
|
96
|
130
|
79
|
37
|
77
|
31
|
85
|
120
|
109
|
|
|
2025/10
|
63
|
49
|
52
|
62
|
59
|
19
|
52
|
26
|
11
|
14
|
23
|
40
|
60
|
51
|
74
|
61
|
32
|
17
|
22
|
24
|
43
|
61
|
71
|
85
|
145
|
56
|
42
|
137
|
153
|
114
|
67
|
|
2025/09
|
27
|
53
|
55
|
54
|
47
|
29
|
43
|
34
|
49
|
39
|
56
|
61
|
48
|
33
|
34
|
34
|
24
|
36
|
39
|
49
|
60
|
38
|
50
|
65
|
65
|
62
|
77
|
46
|
56
|
59
|
|
|
2025/08
|
60
|
40
|
23
|
33
|
21
|
49
|
39
|
32
|
22
|
33
|
40
|
43
|
20
|
36
|
40
|
27
|
35
|
32
|
21
|
29
|
19
|
25
|
26
|
17
|
26
|
44
|
26
|
12
|
45
|
33
|
29
|
|
2025/07
|
30
|
32
|
23
|
36
|
32
|
15
|
36
|
34
|
44
|
45
|
50
|
45
|
26
|
31
|
38
|
26
|
18
|
39
|
35
|
31
|
33
|
39
|
26
|
26
|
39
|
38
|
38
|
27
|
12
|
23
|
51
|
|
2025/06
|
65
|
35
|
19
|
39
|
65
|
62
|
41
|
42
|
54
|
39
|
56
|
63
|
62
|
68
|
19
|
18
|
62
|
78
|
45
|
29
|
41
|
69
|
77
|
97
|
56
|
62
|
49
|
50
|
73
|
38
|
|
|
2025/05
|
42
|
57
|
32
|
60
|
58
|
26
|
64
|
81
|
28
|
39
|
73
|
93
|
75
|
29
|
40
|
71
|
39
|
56
|
81
|
110
|
63
|
69
|
55
|
41
|
60
|
67
|
66
|
67
|
65
|
78
|
68
|
|
2025/04
|
55
|
19
|
62
|
73
|
23
|
72
|
56
|
39
|
59
|
86
|
93
|
107
|
76
|
51
|
53
|
96
|
66
|
55
|
41
|
62
|
91
|
37
|
64
|
39
|
54
|
91
|
37
|
61
|
62
|
71
|
|
|
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