Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
PM2.5
77
*
PM10
27
O3
0.8
CO
8
SO2
31
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
7 Feb
91
Good
Sun
8 Feb
84
Good
Mon
9 Feb
124
Light
Tue
10 Feb
127
Light
Wed
11 Feb
109
Light
Thu
12 Feb
31
Excellent
Fri
13 Feb
39
Excellent
Air quality in the last 12 months (Baijiantan)
|
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
|
|
2025/09
|
49
|
39
|
37
|
35
|
32
|
35
|
51
|
43
|
54
|
40
|
43
|
39
|
30
|
38
|
30
|
27
|
44
|
48
|
53
|
39
|
33
|
27
|
43
|
29
|
29
|
30
|
48
|
58
|
66
|
48
|
|
|
2025/08
|
37
|
33
|
24
|
33
|
37
|
31
|
36
|
24
|
39
|
37
|
26
|
23
|
29
|
29
|
34
|
40
|
42
|
37
|
27
|
26
|
27
|
41
|
40
|
47
|
36
|
35
|
34
|
39
|
38
|
35
|
84
|
|
2025/07
|
29
|
31
|
26
|
21
|
27
|
45
|
31
|
30
|
27
|
30
|
37
|
35
|
32
|
32
|
40
|
35
|
53
|
37
|
38
|
45
|
31
|
32
|
28
|
28
|
34
|
35
|
36
|
56
|
57
|
37
|
33
|
|
2025/06
|
29
|
31
|
36
|
36
|
32
|
36
|
42
|
60
|
46
|
36
|
43
|
37
|
35
|
44
|
37
|
36
|
35
|
27
|
41
|
32
|
31
|
26
|
56
|
49
|
33
|
44
|
32
|
27
|
17
|
25
|
|
|
2025/05
|
23
|
33
|
22
|
20
|
27
|
39
|
28
|
17
|
32
|
58
|
45
|
29
|
29
|
31
|
54
|
46
|
42
|
104
|
64
|
25
|
30
|
33
|
37
|
45
|
31
|
38
|
38
|
31
|
40
|
35
|
35
|
|
2025/04
|
37
|
18
|
15
|
18
|
43
|
18
|
29
|
41
|
58
|
14
|
22
|
13
|
35
|
53
|
24
|
17
|
13
|
25
|
28
|
13
|
23
|
38
|
41
|
19
|
20
|
15
|
23
|
39
|
45
|
45
|
|
|
2025/03
|
39
|
38
|
39
|
44
|
32
|
23
|
29
|
26
|
19
|
37
|
25
|
13
|
17
|
13
|
14
|
30
|
38
|
48
|
40
|
44
|
58
|
65
|
19
|
18
|
13
|
16
|
13
|
12
|
21
|
22
|
31
|
|
2025/02
|
100
|
69
|
50
|
40
|
38
|
73
|
91
|
110
|
107
|
133
|
86
|
59
|
86
|
100
|
87
|
112
|
138
|
86
|
55
|
59
|
72
|
71
|
61
|
67
|
73
|
74
|
83
|
62
|
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution