Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
5 Feb
Fri
6 Feb
Sat
7 Feb
Sun
8 Feb
Mon
9 Feb
Tue
10 Feb
Wed
11 Feb
Real-time AQI (Monitoring Station in Tieling)
水上乐园
9268 *
PM2.5
89
PM10
34
O3
0.9
CO
8
SO2
34
NO2
新华街20号
8059 *
PM2.5
93
PM10
42
O3
0.8
CO
12
SO2
25
NO2
Air quality in the last 12 months (Tieling)
|
2025/12
|
69
|
26
|
31
|
52
|
56
|
90
|
107
|
33
|
85
|
138
|
50
|
65
|
98
|
142
|
75
|
91
|
92
|
60
|
68
|
33
|
42
|
45
|
43
|
93
|
57
|
69
|
106
|
108
|
39
|
45
|
35
|
|
2025/11
|
60
|
20
|
40
|
71
|
105
|
70
|
99
|
190
|
49
|
36
|
59
|
96
|
62
|
98
|
102
|
61
|
42
|
60
|
78
|
39
|
72
|
77
|
148
|
216
|
75
|
85
|
39
|
43
|
61
|
44
|
|
|
2025/10
|
49
|
55
|
51
|
49
|
29
|
39
|
52
|
35
|
39
|
53
|
85
|
54
|
67
|
81
|
61
|
60
|
88
|
29
|
36
|
41
|
54
|
53
|
52
|
69
|
100
|
41
|
43
|
103
|
89
|
37
|
43
|
|
2025/09
|
44
|
44
|
45
|
39
|
34
|
28
|
32
|
28
|
37
|
36
|
44
|
45
|
44
|
39
|
29
|
31
|
26
|
20
|
26
|
27
|
34
|
35
|
34
|
25
|
46
|
41
|
38
|
39
|
51
|
44
|
|
|
2025/08
|
42
|
36
|
21
|
17
|
28
|
27
|
31
|
24
|
25
|
33
|
24
|
41
|
30
|
39
|
43
|
22
|
20
|
34
|
39
|
27
|
22
|
18
|
49
|
15
|
13
|
22
|
26
|
14
|
27
|
53
|
27
|
|
2025/07
|
21
|
27
|
16
|
21
|
24
|
20
|
26
|
38
|
45
|
50
|
44
|
43
|
20
|
21
|
20
|
27
|
20
|
31
|
40
|
20
|
28
|
28
|
17
|
20
|
32
|
36
|
37
|
27
|
26
|
16
|
28
|
|
2025/06
|
31
|
47
|
29
|
18
|
40
|
38
|
19
|
41
|
36
|
18
|
32
|
34
|
34
|
43
|
35
|
21
|
43
|
36
|
39
|
21
|
20
|
36
|
41
|
51
|
49
|
49
|
45
|
24
|
37
|
14
|
|
|
2025/05
|
22
|
43
|
34
|
39
|
39
|
37
|
58
|
50
|
51
|
39
|
52
|
62
|
60
|
54
|
56
|
42
|
31
|
34
|
42
|
47
|
48
|
62
|
39
|
53
|
35
|
50
|
55
|
51
|
52
|
60
|
56
|
|
2025/04
|
96
|
76
|
69
|
62
|
41
|
64
|
67
|
72
|
84
|
75
|
61
|
31
|
18
|
28
|
54
|
53
|
72
|
38
|
45
|
54
|
68
|
21
|
49
|
76
|
53
|
69
|
46
|
56
|
76
|
68
|
|
|
2025/03
|
91
|
29
|
42
|
63
|
88
|
84
|
67
|
96
|
118
|
93
|
72
|
106
|
45
|
49
|
49
|
64
|
88
|
68
|
78
|
82
|
78
|
174
|
216
|
95
|
127
|
193
|
57
|
29
|
30
|
36
|
62
|
|
2025/02
|
132
|
186
|
94
|
69
|
62
|
70
|
54
|
57
|
82
|
64
|
66
|
53
|
79
|
91
|
104
|
53
|
31
|
28
|
47
|
53
|
53
|
62
|
53
|
58
|
92
|
67
|
97
|
141
|
|||
|
2025/01
|
49
|
44
|
58
|
73
|
108
|
122
|
53
|
34
|
58
|
66
|
74
|
90
|
97
|
74
|
41
|
54
|
66
|
68
|
83
|
73
|
81
|
103
|
124
|
90
|
91
|
125
|
136
|
69
|
121
|
96
|
102
|
|
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
*: primary pollution