Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
24
O3
0.1
CO
7
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Nov
53
Good
Fri
13 Nov
48
Excellent
Sat
14 Nov
49
Excellent
Sun
15 Nov
54
Good
Mon
16 Nov
55
Good
Tue
17 Nov
59
Good
Wed
18 Nov
42
Excellent
Air quality in the last 12 months (Baijiantan)
|
2026/09
|
41
|
26
|
25
|
32
|
31
|
35
|
30
|
46
|
50
|
42
|
34
|
38
|
41
|
55
|
53
|
37
|
40
|
27
|
32
|
43
|
52
|
34
|
30
|
26
|
25
|
34
|
47
|
31
|
32
|
33
|
|
|
2026/08
|
35
|
36
|
37
|
41
|
40
|
48
|
41
|
46
|
35
|
38
|
30
|
38
|
40
|
37
|
37
|
43
|
40
|
31
|
32
|
49
|
37
|
31
|
30
|
41
|
36
|
31
|
32
|
30
|
36
|
41
|
53
|
|
2026/07
|
39
|
41
|
46
|
57
|
38
|
35
|
37
|
39
|
36
|
33
|
39
|
38
|
34
|
39
|
40
|
46
|
43
|
42
|
42
|
39
|
48
|
44
|
34
|
38
|
39
|
37
|
32
|
31
|
31
|
32
|
39
|
|
2026/06
|
36
|
39
|
38
|
37
|
37
|
38
|
33
|
34
|
35
|
36
|
42
|
38
|
38
|
36
|
34
|
38
|
33
|
35
|
39
|
47
|
39
|
39
|
48
|
52
|
37
|
37
|
36
|
39
|
40
|
35
|
|
|
2026/05
|
40
|
38
|
44
|
48
|
40
|
41
|
55
|
44
|
39
|
40
|
34
|
31
|
31
|
29
|
31
|
29
|
31
|
34
|
61
|
35
|
31
|
40
|
34
|
31
|
33
|
29
|
35
|
43
|
42
|
33
|
36
|
|
2026/04
|
36
|
44
|
37
|
40
|
55
|
56
|
57
|
40
|
56
|
47
|
32
|
39
|
44
|
49
|
61
|
49
|
38
|
32
|
34
|
47
|
44
|
57
|
60
|
61
|
39
|
49
|
44
|
44
|
91
|
43
|
|
|
2026/03
|
27
|
29
|
31
|
43
|
31
|
39
|
60
|
41
|
46
|
45
|
52
|
38
|
41
|
37
|
39
|
49
|
33
|
29
|
37
|
34
|
30
|
32
|
42
|
42
|
38
|
28
|
33
|
31
|
39
|
40
|
41
|
|
2026/02
|
122
|
161
|
151
|
191
|
114
|
58
|
60
|
60
|
48
|
52
|
50
|
72
|
47
|
15
|
16
|
27
|
85
|
66
|
90
|
131
|
36
|
31
|
25
|
46
|
41
|
31
|
28
|
46
|
|||
|
2026/01
|
60
|
68
|
87
|
91
|
152
|
147
|
124
|
144
|
82
|
32
|
87
|
134
|
170
|
62
|
33
|
27
|
30
|
28
|
38
|
47
|
51
|
61
|
68
|
87
|
69
|
73
|
75
|
98
|
128
|
93
|
79
|
|
2025/12
|
22
|
22
|
31
|
46
|
54
|
58
|
33
|
34
|
36
|
44
|
42
|
41
|
47
|
50
|
78
|
90
|
89
|
95
|
37
|
28
|
40
|
58
|
26
|
75
|
74
|
48
|
66
|
57
|
76
|
61
|
51
|
|
2025/11
|
73
|
31
|
27
|
59
|
24
|
41
|
30
|
18
|
31
|
38
|
35
|
23
|
44
|
35
|
18
|
18
|
146
|
179
|
126
|
104
|
131
|
85
|
28
|
31
|
35
|
35
|
23
|
43
|
38
|
22
|
|
|
2025/10
|
34
|
27
|
35
|
25
|
39
|
21
|
26
|
39
|
49
|
29
|
32
|
43
|
48
|
25
|
33
|
28
|
32
|
48
|
52
|
53
|
59
|
60
|
72
|
58
|
60
|
65
|
83
|
68
|
36
|
38
|
54
|
|
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