Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
PM2.5
PM10
O3
CO
SO2
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
15 Mar
Mon
16 Mar
Tue
17 Mar
Wed
18 Mar
Thu
19 Mar
Fri
20 Mar
Sat
21 Mar
Real-time AQI (Monitoring Station in Tieling)
水上乐园
253203 *
PM2.5
233
PM10
93
O3
1.0
CO
20
SO2
67
NO2
新华街20号
274224 *
PM2.5
277
PM10
82
O3
1.2
CO
20
SO2
78
NO2
Air quality in the last 12 months (Tieling)
|
2026/02
|
89
|
64
|
60
|
127
|
123
|
37
|
53
|
60
|
61
|
90
|
85
|
117
|
135
|
90
|
47
|
50
|
130
|
39
|
50
|
65
|
74
|
151
|
46
|
59
|
91
|
60
|
88
|
68
|
|||
|
2026/01
|
72
|
91
|
102
|
147
|
90
|
73
|
49
|
62
|
88
|
49
|
33
|
45
|
31
|
44
|
58
|
78
|
59
|
48
|
49
|
67
|
66
|
51
|
65
|
53
|
80
|
118
|
70
|
65
|
87
|
82
|
85
|
|
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
|
|
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