Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
47
PM2.5
164
*
PM10
38
O3
0.7
CO
11
SO2
42
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
18 Dec
117
Light
Fri
19 Dec
142
Light
Sat
20 Dec
150
Light
Sun
21 Dec
145
Light
Mon
22 Dec
157
Moderate
Tue
23 Dec
127
Light
Wed
24 Dec
42
Excellent
Tiemenguan Air quality rank
Air quality in the last 12 months (Tiemenguan)
|
2025/11
|
92
|
86
|
96
|
96
|
71
|
38
|
60
|
74
|
90
|
97
|
102
|
88
|
96
|
95
|
94
|
60
|
47
|
84
|
100
|
121
|
118
|
127
|
125
|
117
|
109
|
95
|
110
|
92
|
103
|
77
|
|
|
2025/10
|
81
|
65
|
36
|
55
|
90
|
56
|
55
|
76
|
74
|
71
|
77
|
79
|
74
|
39
|
43
|
106
|
65
|
91
|
71
|
69
|
79
|
94
|
102
|
101
|
109
|
93
|
90
|
84
|
87
|
77
|
77
|
|
2025/09
|
123
|
445
|
369
|
72
|
141
|
337
|
313
|
162
|
141
|
59
|
53
|
56
|
68
|
50
|
54
|
62
|
52
|
59
|
59
|
55
|
33
|
102
|
94
|
40
|
30
|
29
|
71
|
67
|
79
|
101
|
|
|
2025/08
|
45
|
44
|
30
|
40
|
58
|
35
|
47
|
56
|
37
|
55
|
46
|
47
|
49
|
50
|
49
|
57
|
60
|
79
|
40
|
55
|
49
|
33
|
45
|
59
|
65
|
36
|
47
|
110
|
72
|
56
|
70
|
|
2025/07
|
59
|
42
|
30
|
59
|
76
|
77
|
43
|
41
|
44
|
44
|
65
|
39
|
111
|
74
|
66
|
62
|
59
|
38
|
85
|
89
|
72
|
60
|
82
|
98
|
56
|
58
|
67
|
61
|
64
|
86
|
54
|
|
2025/06
|
45
|
41
|
41
|
50
|
62
|
60
|
57
|
61
|
45
|
59
|
65
|
68
|
41
|
45
|
44
|
59
|
54
|
32
|
40
|
42
|
44
|
33
|
53
|
65
|
40
|
52
|
53
|
40
|
66
|
49
|
|
|
2025/05
|
95
|
96
|
74
|
298
|
413
|
91
|
92
|
206
|
88
|
86
|
79
|
61
|
60
|
87
|
98
|
63
|
80
|
145
|
92
|
73
|
127
|
131
|
110
|
75
|
69
|
81
|
85
|
65
|
175
|
130
|
100
|
|
2025/04
|
493
|
479
|
248
|
152
|
401
|
244
|
123
|
82
|
72
|
171
|
84
|
53
|
151
|
238
|
119
|
84
|
331
|
456
|
306
|
136
|
143
|
336
|
280
|
210
|
115
|
59
|
57
|
98
|
141
|
124
|
|
|
2025/03
|
114
|
126
|
90
|
76
|
76
|
199
|
223
|
97
|
109
|
87
|
319
|
219
|
88
|
190
|
95
|
152
|
146
|
203
|
185
|
109
|
154
|
284
|
299
|
176
|
225
|
475
|
225
|
146
|
268
|
455
|
484
|
|
2025/02
|
78
|
88
|
85
|
73
|
71
|
213
|
166
|
227
|
174
|
127
|
254
|
379
|
227
|
215
|
201
|
166
|
145
|
120
|
143
|
130
|
101
|
75
|
87
|
236
|
229
|
175
|
176
|
130
|
|||
|
2025/01
|
113
|
102
|
88
|
90
|
101
|
91
|
82
|
82
|
66
|
51
|
48
|
42
|
77
|
70
|
61
|
74
|
95
|
92
|
95
|
98
|
111
|
101
|
82
|
65
|
191
|
498
|
376
|
381
|
241
|
191
|
145
|
|
2024/12
|
84
|
88
|
75
|
70
|
61
|
59
|
66
|
63
|
58
|
31
|
34
|
51
|
39
|
42
|
49
|
51
|
58
|
69
|
62
|
64
|
66
|
73
|
87
|
100
|
93
|
72
|
71
|
96
|
111
|
88
|
88
|
|
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
Air quality source: CNEMC
*: primary pollution