Air Quality
Excellent
No health implications.
20
PM2.5
42
PM10
74
O3
0.3
CO
6
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Sep
95
Good
Wed
17 Sep
55
Good
Thu
18 Sep
56
Good
Fri
19 Sep
69
Good
Sat
20 Sep
70
Good
Sun
21 Sep
65
Good
Mon
22 Sep
22
Excellent
Air quality in the last 12 months (Gaolan)
|
2025/08
|
50
|
39
|
43
|
18
|
33
|
37
|
36
|
17
|
33
|
46
|
29
|
30
|
42
|
36
|
29
|
38
|
30
|
25
|
22
|
131
|
21
|
22
|
26
|
32
|
29
|
17
|
20
|
20
|
24
|
36
|
36
|
|
2025/07
|
42
|
42
|
50
|
34
|
24
|
25
|
31
|
33
|
32
|
33
|
22
|
22
|
26
|
47
|
57
|
57
|
46
|
47
|
68
|
29
|
37
|
26
|
55
|
37
|
26
|
37
|
38
|
38
|
33
|
35
|
71
|
|
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
|
|
|
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