Air Quality
Excellent
No health implications.
22
PM2.5
43
PM10
138
O3
0.5
CO
6
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
76
Good
Fri
18 Jul
67
Good
Sat
19 Jul
60
Good
Sun
20 Jul
75
Good
Mon
21 Jul
79
Good
Tue
22 Jul
78
Good
Wed
23 Jul
37
Excellent
Air quality in the last 12 months (Gaolan)
|
2025/06
|
37
|
38
|
45
|
36
|
38
|
48
|
51
|
58
|
37
|
38
|
45
|
67
|
74
|
44
|
62
|
39
|
52
|
57
|
35
|
35
|
41
|
22
|
28
|
24
|
28
|
35
|
25
|
37
|
51
|
29
|
|
|
2025/05
|
57
|
159
|
111
|
150
|
139
|
170
|
117
|
43
|
57
|
44
|
43
|
54
|
87
|
35
|
41
|
59
|
228
|
53
|
61
|
59
|
78
|
53
|
33
|
37
|
30
|
50
|
43
|
28
|
35
|
110
|
77
|
|
2025/04
|
155
|
115
|
112
|
138
|
76
|
72
|
74
|
116
|
174
|
80
|
205
|
379
|
104
|
65
|
92
|
230
|
90
|
276
|
158
|
179
|
97
|
83
|
54
|
53
|
60
|
50
|
71
|
46
|
55
|
206
|
|
|
2025/03
|
99
|
49
|
58
|
80
|
48
|
58
|
67
|
78
|
87
|
75
|
264
|
94
|
114
|
62
|
48
|
60
|
47
|
42
|
49
|
64
|
66
|
69
|
73
|
238
|
263
|
458
|
77
|
95
|
69
|
94
|
79
|
|
2025/02
|
58
|
56
|
38
|
39
|
48
|
49
|
58
|
65
|
65
|
61
|
95
|
95
|
93
|
53
|
56
|
97
|
79
|
72
|
70
|
63
|
69
|
69
|
49
|
64
|
62
|
62
|
65
|
66
|
|||
|
2025/01
|
54
|
57
|
66
|
70
|
97
|
86
|
50
|
50
|
68
|
70
|
62
|
60
|
87
|
63
|
60
|
81
|
81
|
62
|
78
|
74
|
73
|
82
|
111
|
99
|
83
|
99
|
84
|
121
|
200
|
122
|
60
|
|
2024/12
|
62
|
50
|
62
|
54
|
60
|
54
|
37
|
52
|
65
|
64
|
69
|
50
|
66
|
87
|
124
|
138
|
80
|
68
|
66
|
59
|
67
|
101
|
86
|
83
|
97
|
63
|
52
|
79
|
64
|
68
|
91
|
|
2024/11
|
61
|
47
|
63
|
67
|
60
|
71
|
67
|
70
|
62
|
70
|
56
|
64
|
58
|
78
|
81
|
56
|
53
|
42
|
58
|
83
|
71
|
88
|
66
|
40
|
57
|
61
|
69
|
67
|
73
|
76
|
|
|
2024/10
|
31
|
43
|
43
|
40
|
47
|
46
|
57
|
54
|
55
|
53
|
57
|
44
|
50
|
55
|
52
|
35
|
45
|
42
|
47
|
39
|
46
|
41
|
61
|
55
|
47
|
48
|
60
|
62
|
52
|
46
|
47
|
|
2024/09
|
52
|
44
|
39
|
25
|
18
|
13
|
26
|
39
|
25
|
27
|
29
|
30
|
23
|
36
|
40
|
37
|
45
|
44
|
49
|
26
|
40
|
46
|
33
|
64
|
57
|
33
|
50
|
59
|
23
|
26
|
|
|
2024/08
|
51
|
33
|
36
|
34
|
44
|
35
|
30
|
42
|
79
|
35
|
36
|
43
|
41
|
29
|
44
|
29
|
25
|
31
|
38
|
39
|
41
|
48
|
41
|
43
|
33
|
57
|
33
|
35
|
37
|
35
|
62
|
|
2024/07
|
26
|
37
|
36
|
61
|
36
|
59
|
48
|
31
|
63
|
74
|
70
|
82
|
44
|
24
|
32
|
40
|
45
|
48
|
36
|
128
|
267
|
79
|
66
|
108
|
79
|
57
|
45
|
43
|
33
|
34
|
35
|
|
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