Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
49
*
PM2.5
64
PM10
35
O3
0.9
CO
5
SO2
11
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
21 Feb
70
Good
Sun
22 Feb
61
Good
Mon
23 Feb
45
Excellent
Tue
24 Feb
47
Excellent
Wed
25 Feb
53
Good
Thu
26 Feb
50
Excellent
Fri
27 Feb
43
Excellent
Air quality in the last 12 months (Tieshangang)
|
2026/01
|
54
|
35
|
38
|
50
|
55
|
38
|
48
|
60
|
64
|
82
|
77
|
60
|
78
|
91
|
57
|
53
|
75
|
81
|
45
|
50
|
59
|
36
|
57
|
81
|
74
|
46
|
66
|
61
|
53
|
39
|
42
|
|
2025/12
|
67
|
44
|
55
|
76
|
74
|
87
|
80
|
78
|
80
|
78
|
75
|
58
|
37
|
42
|
55
|
50
|
54
|
51
|
49
|
43
|
63
|
50
|
34
|
29
|
27
|
39
|
52
|
67
|
75
|
74
|
75
|
|
2025/11
|
38
|
42
|
32
|
9
|
14
|
33
|
33
|
28
|
32
|
28
|
17
|
20
|
35
|
43
|
43
|
55
|
63
|
39
|
25
|
33
|
40
|
48
|
64
|
61
|
42
|
53
|
49
|
59
|
64
|
64
|
|
|
2025/10
|
21
|
15
|
21
|
22
|
23
|
21
|
22
|
34
|
43
|
35
|
35
|
25
|
19
|
17
|
18
|
25
|
31
|
36
|
40
|
25
|
27
|
25
|
24
|
35
|
43
|
49
|
50
|
45
|
53
|
59
|
40
|
|
2025/09
|
16
|
15
|
16
|
14
|
12
|
13
|
27
|
25
|
16
|
12
|
15
|
15
|
15
|
13
|
20
|
14
|
14
|
19
|
22
|
33
|
29
|
17
|
25
|
20
|
12
|
15
|
22
|
18
|
15
|
16
|
|
|
2025/08
|
15
|
20
|
28
|
31
|
21
|
15
|
18
|
27
|
25
|
21
|
19
|
24
|
22
|
15
|
19
|
17
|
17
|
10
|
17
|
19
|
22
|
17
|
17
|
19
|
10
|
14
|
17
|
25
|
19
|
13
|
16
|
|
2025/07
|
17
|
14
|
19
|
22
|
22
|
27
|
14
|
18
|
26
|
23
|
19
|
20
|
19
|
17
|
17
|
23
|
17
|
23
|
20
|
20
|
11
|
16
|
16
|
16
|
21
|
16
|
19
|
12
|
19
|
18
|
20
|
|
2025/06
|
21
|
26
|
19
|
30
|
16
|
14
|
17
|
22
|
21
|
28
|
19
|
15
|
13
|
12
|
20
|
17
|
21
|
21
|
16
|
23
|
21
|
17
|
21
|
18
|
13
|
23
|
12
|
14
|
13
|
14
|
|
|
2025/05
|
33
|
28
|
21
|
29
|
26
|
33
|
34
|
23
|
19
|
26
|
37
|
38
|
32
|
22
|
12
|
14
|
19
|
24
|
27
|
26
|
21
|
22
|
18
|
22
|
20
|
37
|
42
|
28
|
18
|
20
|
13
|
|
2025/04
|
33
|
52
|
51
|
41
|
64
|
62
|
60
|
42
|
33
|
36
|
34
|
48
|
161
|
163
|
112
|
93
|
82
|
62
|
38
|
30
|
30
|
27
|
31
|
47
|
25
|
29
|
20
|
25
|
36
|
32
|
|
|
2025/03
|
30
|
20
|
43
|
40
|
39
|
18
|
26
|
26
|
36
|
47
|
35
|
29
|
28
|
20
|
27
|
23
|
39
|
47
|
52
|
59
|
67
|
59
|
47
|
43
|
35
|
32
|
35
|
44
|
22
|
14
|
23
|
|
2025/02
|
38
|
49
|
20
|
26
|
60
|
68
|
28
|
44
|
62
|
71
|
90
|
45
|
59
|
41
|
56
|
50
|
64
|
55
|
58
|
39
|
77
|
83
|
35
|
35
|
125
|
70
|
63
|
29
|
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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
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25
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26
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27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution