Air Quality
Excellent
No health implications.
14
PM2.5
43
PM10
122
O3
0.3
CO
8
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
94
Good
Mon
16 Jun
95
Good
Tue
17 Jun
79
Good
Wed
18 Jun
79
Good
Thu
19 Jun
80
Good
Fri
20 Jun
79
Good
Sat
21 Jun
49
Excellent
Air quality in the last 12 months (Tiemenguan)
|
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
|
|
2024/11
|
67
|
80
|
83
|
80
|
85
|
95
|
93
|
69
|
59
|
70
|
72
|
74
|
75
|
61
|
39
|
59
|
73
|
68
|
78
|
79
|
67
|
75
|
66
|
59
|
48
|
49
|
64
|
99
|
65
|
90
|
|
|
2024/10
|
81
|
76
|
87
|
49
|
47
|
68
|
75
|
81
|
80
|
78
|
90
|
89
|
76
|
70
|
79
|
82
|
64
|
43
|
43
|
50
|
47
|
77
|
100
|
88
|
65
|
66
|
81
|
90
|
57
|
51
|
55
|
|
2024/09
|
96
|
63
|
28
|
28
|
131
|
105
|
99
|
47
|
112
|
65
|
64
|
88
|
80
|
78
|
54
|
75
|
93
|
87
|
66
|
65
|
77
|
94
|
54
|
48
|
51
|
71
|
42
|
34
|
67
|
54
|
|
|
2024/08
|
55
|
80
|
68
|
50
|
59
|
65
|
29
|
28
|
54
|
62
|
42
|
43
|
54
|
55
|
66
|
58
|
60
|
66
|
59
|
65
|
89
|
66
|
60
|
65
|
76
|
62
|
72
|
59
|
64
|
47
|
39
|
|
2024/07
|
57
|
52
|
29
|
47
|
54
|
62
|
45
|
55
|
59
|
43
|
59
|
57
|
38
|
47
|
34
|
52
|
52
|
57
|
75
|
86
|
82
|
68
|
79
|
73
|
60
|
60
|
45
|
55
|
53
|
56
|
47
|
|
2024/06
|
38
|
70
|
75
|
45
|
48
|
78
|
74
|
61
|
48
|
64
|
66
|
45
|
41
|
39
|
49
|
46
|
54
|
88
|
161
|
60
|
61
|
59
|
53
|
56
|
54
|
52
|
63
|
60
|
52
|
59
|
|
|
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