Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
17
PM2.5
74
*
PM10
106
O3
0.3
CO
4
SO2
3
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
13 May
77
Good
Wed
14 May
71
Good
Thu
15 May
99
Good
Fri
16 May
82
Good
Sat
17 May
89
Good
Sun
18 May
84
Good
Mon
19 May
47
Excellent
Air quality in the last 12 months (Gaotai)
|
2025/02
|
56
|
43
|
37
|
36
|
33
|
29
|
48
|
59
|
58
|
61
|
93
|
64
|
42
|
52
|
105
|
79
|
78
|
88
|
82
|
74
|
77
|
75
|
59
|
88
|
78
|
64
|
70
|
77
|
|||
|
2025/01
|
88
|
66
|
80
|
95
|
46
|
54
|
65
|
67
|
64
|
84
|
102
|
75
|
71
|
44
|
42
|
44
|
75
|
54
|
52
|
44
|
86
|
80
|
77
|
65
|
128
|
80
|
69
|
73
|
77
|
51
|
48
|
|
2024/12
|
49
|
57
|
56
|
64
|
53
|
43
|
53
|
58
|
62
|
59
|
64
|
65
|
47
|
52
|
53
|
53
|
55
|
63
|
66
|
69
|
71
|
91
|
88
|
60
|
56
|
38
|
48
|
74
|
117
|
72
|
87
|
|
2024/11
|
74
|
79
|
65
|
68
|
62
|
62
|
71
|
78
|
91
|
102
|
66
|
69
|
65
|
142
|
151
|
60
|
65
|
69
|
58
|
59
|
66
|
76
|
90
|
60
|
30
|
49
|
40
|
44
|
49
|
49
|
|
|
2024/10
|
34
|
35
|
48
|
54
|
48
|
40
|
49
|
70
|
64
|
59
|
58
|
53
|
59
|
67
|
67
|
68
|
64
|
148
|
261
|
107
|
43
|
42
|
51
|
60
|
55
|
64
|
49
|
56
|
66
|
69
|
69
|
|
2024/09
|
33
|
52
|
91
|
14
|
23
|
20
|
26
|
60
|
57
|
42
|
31
|
44
|
37
|
52
|
53
|
38
|
31
|
39
|
30
|
26
|
34
|
46
|
43
|
77
|
66
|
43
|
60
|
52
|
42
|
35
|
|
|
2024/08
|
39
|
30
|
25
|
30
|
37
|
37
|
34
|
176
|
128
|
19
|
24
|
43
|
44
|
51
|
30
|
35
|
43
|
32
|
35
|
45
|
33
|
50
|
49
|
139
|
87
|
84
|
56
|
66
|
51
|
108
|
48
|
|
2024/07
|
26
|
29
|
122
|
135
|
71
|
57
|
81
|
293
|
129
|
73
|
70
|
48
|
42
|
28
|
21
|
30
|
42
|
51
|
89
|
264
|
79
|
49
|
45
|
25
|
27
|
37
|
38
|
49
|
42
|
41
|
38
|
|
2024/06
|
55
|
53
|
47
|
41
|
70
|
56
|
56
|
40
|
32
|
38
|
42
|
37
|
107
|
47
|
61
|
57
|
79
|
123
|
43
|
23
|
37
|
40
|
46
|
58
|
107
|
73
|
65
|
51
|
83
|
26
|
|
|
2024/05
|
54
|
66
|
73
|
90
|
82
|
94
|
84
|
115
|
84
|
41
|
26
|
58
|
55
|
295
|
500
|
500
|
480
|
174
|
261
|
148
|
110
|
146
|
97
|
105
|
92
|
85
|
118
|
85
|
44
|
28
|
30
|
|
2024/04
|
156
|
68
|
127
|
91
|
59
|
55
|
90
|
75
|
58
|
49
|
106
|
102
|
425
|
285
|
97
|
93
|
107
|
72
|
49
|
33
|
58
|
73
|
51
|
61
|
60
|
348
|
321
|
47
|
53
|
36
|
|
|
2024/03
|
58
|
41
|
58
|
81
|
88
|
80
|
69
|
55
|
156
|
159
|
83
|
114
|
103
|
151
|
320
|
74
|
93
|
67
|
80
|
85
|
94
|
106
|
65
|
43
|
45
|
91
|
72
|
69
|
101
|
93
|
102
|
|
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