Air Quality
Excellent
No health implications.
16
PM2.5
29
PM10
123
O3
0.3
CO
8
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Jun
88
Good
Sat
14 Jun
78
Good
Sun
15 Jun
78
Good
Mon
16 Jun
81
Good
Tue
17 Jun
83
Good
Wed
18 Jun
77
Good
Thu
19 Jun
32
Excellent
Air quality in the last 12 months (Gaochang)
|
2025/05
|
120
|
272
|
50
|
139
|
66
|
57
|
102
|
161
|
59
|
57
|
90
|
87
|
44
|
38
|
44
|
41
|
50
|
54
|
215
|
95
|
43
|
36
|
50
|
74
|
68
|
73
|
128
|
445
|
89
|
68
|
60
|
|
2025/04
|
182
|
264
|
104
|
71
|
75
|
113
|
86
|
62
|
58
|
150
|
87
|
53
|
62
|
81
|
161
|
91
|
290
|
80
|
115
|
148
|
69
|
62
|
54
|
59
|
65
|
50
|
70
|
64
|
61
|
60
|
|
|
2025/03
|
129
|
77
|
63
|
84
|
145
|
74
|
101
|
117
|
97
|
226
|
215
|
103
|
251
|
205
|
67
|
56
|
82
|
113
|
107
|
95
|
88
|
137
|
154
|
167
|
263
|
500
|
165
|
153
|
102
|
96
|
92
|
|
2025/02
|
130
|
98
|
78
|
83
|
70
|
62
|
70
|
72
|
80
|
103
|
158
|
99
|
95
|
106
|
106
|
99
|
113
|
104
|
89
|
88
|
88
|
77
|
81
|
82
|
105
|
172
|
257
|
183
|
|||
|
2025/01
|
152
|
172
|
173
|
145
|
165
|
186
|
169
|
167
|
132
|
117
|
105
|
107
|
104
|
105
|
105
|
110
|
119
|
115
|
113
|
120
|
121
|
129
|
112
|
100
|
77
|
66
|
87
|
97
|
124
|
120
|
133
|
|
2024/12
|
114
|
103
|
106
|
108
|
121
|
91
|
97
|
118
|
117
|
87
|
75
|
78
|
80
|
90
|
112
|
122
|
93
|
85
|
90
|
101
|
107
|
116
|
146
|
127
|
132
|
129
|
111
|
120
|
130
|
164
|
175
|
|
2024/11
|
57
|
61
|
59
|
63
|
71
|
77
|
77
|
69
|
56
|
61
|
64
|
64
|
70
|
78
|
79
|
71
|
82
|
90
|
84
|
93
|
99
|
104
|
68
|
55
|
66
|
66
|
76
|
71
|
74
|
81
|
|
|
2024/10
|
53
|
56
|
67
|
58
|
53
|
51
|
61
|
63
|
56
|
55
|
66
|
77
|
90
|
58
|
59
|
65
|
104
|
107
|
51
|
62
|
54
|
57
|
61
|
67
|
58
|
57
|
61
|
68
|
48
|
36
|
47
|
|
2024/09
|
78
|
72
|
109
|
71
|
47
|
70
|
106
|
280
|
70
|
56
|
55
|
51
|
53
|
63
|
68
|
45
|
55
|
61
|
87
|
59
|
65
|
67
|
73
|
41
|
29
|
44
|
43
|
403
|
96
|
56
|
|
|
2024/08
|
49
|
39
|
53
|
53
|
61
|
67
|
33
|
20
|
29
|
47
|
55
|
30
|
39
|
37
|
35
|
43
|
47
|
44
|
101
|
115
|
51
|
51
|
48
|
64
|
91
|
60
|
66
|
52
|
48
|
180
|
82
|
|
2024/07
|
56
|
40
|
37
|
34
|
35
|
45
|
27
|
34
|
39
|
28
|
39
|
17
|
27
|
46
|
57
|
38
|
53
|
40
|
57
|
34
|
38
|
41
|
32
|
38
|
48
|
49
|
53
|
34
|
39
|
44
|
77
|
|
2024/06
|
47
|
49
|
55
|
56
|
45
|
35
|
36
|
48
|
43
|
43
|
44
|
57
|
41
|
46
|
44
|
38
|
48
|
56
|
32
|
71
|
60
|
43
|
42
|
45
|
49
|
119
|
123
|
65
|
48
|
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