Air Quality
Excellent
No health implications.
17
PM2.5
26
PM10
141
O3
0.3
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
68
Good
Fri
17 Jul
91
Good
Sat
18 Jul
92
Good
Sun
19 Jul
89
Good
Mon
20 Jul
86
Good
Tue
21 Jul
73
Good
Wed
22 Jul
28
Excellent
Air quality in the last 12 months (Gaotai)
|
2026/06
|
42
|
59
|
129
|
53
|
142
|
173
|
56
|
46
|
54
|
38
|
46
|
49
|
43
|
46
|
49
|
263
|
76
|
37
|
37
|
43
|
46
|
47
|
51
|
120
|
39
|
42
|
46
|
43
|
45
|
45
|
|
|
2026/05
|
59
|
46
|
42
|
39
|
45
|
68
|
48
|
55
|
103
|
93
|
68
|
73
|
218
|
61
|
52
|
72
|
75
|
60
|
60
|
99
|
97
|
86
|
74
|
73
|
59
|
43
|
40
|
49
|
51
|
51
|
49
|
|
2026/04
|
68
|
174
|
101
|
62
|
47
|
52
|
70
|
78
|
73
|
63
|
64
|
58
|
39
|
43
|
63
|
39
|
41
|
116
|
52
|
86
|
121
|
109
|
113
|
59
|
51
|
55
|
55
|
89
|
54
|
51
|
|
|
2026/03
|
115
|
104
|
99
|
128
|
77
|
74
|
85
|
60
|
58
|
60
|
183
|
434
|
163
|
91
|
95
|
104
|
54
|
186
|
181
|
182
|
95
|
123
|
98
|
79
|
89
|
79
|
45
|
43
|
66
|
87
|
65
|
|
2026/02
|
93
|
77
|
88
|
72
|
125
|
322
|
114
|
89
|
200
|
115
|
101
|
78
|
71
|
67
|
94
|
79
|
96
|
61
|
55
|
122
|
412
|
221
|
78
|
138
|
118
|
71
|
141
|
95
|
|||
|
2026/01
|
58
|
62
|
56
|
46
|
66
|
54
|
63
|
50
|
82
|
66
|
64
|
59
|
184
|
291
|
90
|
80
|
59
|
40
|
49
|
58
|
62
|
90
|
70
|
319
|
425
|
161
|
139
|
109
|
224
|
220
|
110
|
|
2025/12
|
55
|
55
|
50
|
54
|
59
|
56
|
56
|
55
|
100
|
166
|
85
|
85
|
52
|
57
|
76
|
61
|
67
|
70
|
60
|
36
|
50
|
83
|
82
|
49
|
56
|
56
|
42
|
63
|
59
|
63
|
65
|
|
2025/11
|
75
|
67
|
69
|
68
|
77
|
256
|
144
|
213
|
82
|
82
|
81
|
82
|
70
|
83
|
76
|
35
|
38
|
65
|
93
|
81
|
80
|
89
|
195
|
60
|
81
|
254
|
69
|
91
|
70
|
102
|
|
|
2025/10
|
60
|
52
|
80
|
47
|
43
|
47
|
38
|
34
|
31
|
36
|
37
|
38
|
47
|
59
|
63
|
46
|
56
|
102
|
104
|
66
|
70
|
86
|
74
|
75
|
70
|
69
|
70
|
66
|
86
|
76
|
76
|
|
2025/09
|
109
|
135
|
119
|
89
|
62
|
68
|
66
|
61
|
63
|
66
|
66
|
72
|
132
|
93
|
251
|
49
|
62
|
42
|
55
|
61
|
87
|
377
|
55
|
53
|
58
|
61
|
67
|
65
|
52
|
58
|
|
|
2025/08
|
33
|
34
|
42
|
39
|
30
|
30
|
22
|
28
|
32
|
56
|
60
|
56
|
44
|
32
|
38
|
42
|
47
|
39
|
118
|
88
|
23
|
31
|
46
|
39
|
65
|
37
|
24
|
23
|
36
|
63
|
50
|
|
2025/07
|
33
|
47
|
37
|
24
|
22
|
26
|
45
|
29
|
30
|
37
|
59
|
67
|
134
|
60
|
39
|
41
|
51
|
71
|
30
|
22
|
27
|
46
|
63
|
33
|
28
|
33
|
32
|
37
|
107
|
181
|
38
|
|
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