Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
44
PM2.5
80
*
PM10
66
O3
1.2
CO
6
SO2
26
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 Feb
73
Good
Wed
12 Feb
112
Light
Thu
13 Feb
82
Good
Fri
14 Feb
81
Good
Sat
15 Feb
90
Good
Sun
16 Feb
94
Good
Mon
17 Feb
17
Excellent
Baijiantan Air quality rank
Air quality in the last 12 months (Baijiantan)
|
2025/01
|
135
|
123
|
150
|
155
|
69
|
44
|
44
|
60
|
68
|
66
|
51
|
39
|
46
|
42
|
53
|
62
|
91
|
112
|
133
|
126
|
122
|
122
|
102
|
52
|
21
|
21
|
25
|
56
|
78
|
93
|
77
|
|
2024/12
|
67
|
108
|
61
|
22
|
34
|
31
|
26
|
28
|
34
|
20
|
25
|
28
|
28
|
42
|
51
|
69
|
64
|
41
|
37
|
64
|
62
|
78
|
82
|
85
|
56
|
44
|
43
|
58
|
83
|
106
|
129
|
|
2024/11
|
28
|
35
|
30
|
31
|
38
|
54
|
30
|
15
|
11
|
18
|
26
|
35
|
19
|
26
|
15
|
25
|
34
|
42
|
50
|
43
|
56
|
60
|
23
|
21
|
22
|
30
|
31
|
29
|
31
|
44
|
|
|
2024/10
|
32
|
40
|
39
|
31
|
25
|
32
|
45
|
30
|
28
|
33
|
47
|
37
|
26
|
20
|
20
|
17
|
21
|
13
|
14
|
14
|
16
|
20
|
27
|
13
|
23
|
16
|
29
|
35
|
20
|
14
|
25
|
|
2024/09
|
27
|
19
|
16
|
15
|
17
|
25
|
15
|
19
|
21
|
20
|
27
|
19
|
16
|
17
|
25
|
21
|
21
|
34
|
25
|
32
|
43
|
40
|
27
|
34
|
31
|
23
|
27
|
26
|
19
|
17
|
|
|
2024/08
|
28
|
24
|
33
|
30
|
30
|
24
|
28
|
24
|
28
|
35
|
28
|
16
|
20
|
16
|
25
|
29
|
27
|
27
|
19
|
19
|
31
|
24
|
25
|
36
|
28
|
22
|
25
|
35
|
27
|
29
|
22
|
|
2024/07
|
24
|
24
|
26
|
24
|
21
|
24
|
20
|
24
|
25
|
20
|
23
|
22
|
28
|
31
|
24
|
26
|
19
|
19
|
15
|
19
|
16
|
19
|
18
|
22
|
24
|
22
|
20
|
21
|
32
|
29
|
32
|
|
2024/06
|
19
|
20
|
22
|
17
|
19
|
18
|
20
|
21
|
26
|
24
|
26
|
28
|
22
|
21
|
23
|
22
|
22
|
20
|
28
|
26
|
23
|
28
|
36
|
41
|
31
|
27
|
31
|
24
|
21
|
30
|
|
|
2024/05
|
35
|
31
|
46
|
32
|
32
|
37
|
27
|
29
|
20
|
27
|
26
|
36
|
37
|
36
|
33
|
53
|
35
|
31
|
32
|
27
|
15
|
15
|
12
|
12
|
13
|
15
|
15
|
14
|
23
|
18
|
25
|
|
2024/04
|
17
|
23
|
30
|
18
|
18
|
18
|
33
|
28
|
34
|
29
|
13
|
62
|
200
|
191
|
155
|
85
|
43
|
31
|
31
|
37
|
38
|
25
|
33
|
41
|
58
|
55
|
29
|
24
|
21
|
34
|
|
|
2024/03
|
35
|
47
|
62
|
62
|
43
|
49
|
47
|
71
|
61
|
50
|
54
|
50
|
38
|
21
|
22
|
22
|
38
|
24
|
28
|
36
|
31
|
22
|
25
|
21
|
20
|
16
|
22
|
26
|
29
|
21
|
26
|
|
2024/02
|
94
|
93
|
92
|
99
|
94
|
90
|
94
|
94
|
87
|
133
|
104
|
158
|
30
|
28
|
32
|
60
|
58
|
34
|
36
|
32
|
29
|
33
|
37
|
51
|
61
|
41
|
48
|
50
|
44
|
||
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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
|
14
|
15
|
16
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17
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18
|
19
|
20
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21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution