Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
59
O3
0.3
CO
3
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jan
49
Excellent
Thu
22 Jan
82
Good
Fri
23 Jan
65
Good
Sat
24 Jan
78
Good
Sun
25 Jan
105
Light
Mon
26 Jan
127
Light
Tue
27 Jan
22
Excellent
Air quality in the last 12 months (Baodi)
|
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
|
|
|
2025/03
|
227
|
55
|
30
|
55
|
97
|
24
|
61
|
128
|
176
|
134
|
180
|
78
|
86
|
73
|
51
|
22
|
31
|
27
|
49
|
40
|
40
|
59
|
115
|
98
|
65
|
86
|
60
|
42
|
28
|
48
|
70
|
|
2025/02
|
78
|
72
|
18
|
20
|
26
|
51
|
24
|
18
|
20
|
97
|
148
|
69
|
118
|
98
|
131
|
39
|
19
|
54
|
41
|
44
|
25
|
33
|
23
|
56
|
69
|
79
|
166
|
217
|
|||
|
2025/01
|
108
|
33
|
43
|
101
|
92
|
19
|
22
|
12
|
21
|
23
|
38
|
36
|
61
|
30
|
28
|
55
|
81
|
136
|
61
|
106
|
136
|
69
|
103
|
176
|
164
|
91
|
20
|
92
|
255
|
86
|
88
|
|
2024/12
|
94
|
10
|
44
|
45
|
39
|
31
|
17
|
23
|
54
|
59
|
49
|
84
|
38
|
32
|
48
|
47
|
35
|
19
|
63
|
54
|
22
|
25
|
49
|
94
|
88
|
27
|
21
|
45
|
92
|
81
|
57
|
|
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