Air Quality
Excellent
No health implications.
21
PM2.5
43
PM10
107
O3
0.5
CO
17
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
82
Good
Thu
1 May
69
Good
Fri
2 May
86
Good
Sat
3 May
87
Good
Sun
4 May
51
Good
Mon
5 May
41
Excellent
Tue
6 May
21
Excellent
Air quality in the last 12 months (Gaoyao)
|
2025/02
|
52
|
53
|
10
|
32
|
56
|
50
|
21
|
41
|
50
|
52
|
64
|
68
|
46
|
65
|
40
|
71
|
46
|
53
|
46
|
47
|
35
|
38
|
20
|
33
|
71
|
65
|
84
|
49
|
|||
|
2025/01
|
78
|
73
|
66
|
73
|
78
|
83
|
84
|
89
|
78
|
49
|
44
|
51
|
59
|
80
|
51
|
64
|
56
|
63
|
61
|
62
|
72
|
76
|
66
|
55
|
33
|
20
|
31
|
51
|
114
|
89
|
38
|
|
2024/12
|
63
|
78
|
77
|
64
|
76
|
72
|
48
|
23
|
51
|
63
|
56
|
23
|
28
|
52
|
49
|
45
|
59
|
48
|
45
|
68
|
61
|
63
|
71
|
68
|
62
|
52
|
63
|
75
|
79
|
85
|
70
|
|
2024/11
|
36
|
38
|
49
|
43
|
36
|
46
|
39
|
44
|
51
|
40
|
45
|
51
|
45
|
31
|
27
|
28
|
32
|
22
|
20
|
15
|
19
|
29
|
34
|
43
|
32
|
17
|
28
|
32
|
39
|
47
|
|
|
2024/10
|
30
|
20
|
37
|
39
|
40
|
40
|
48
|
62
|
54
|
33
|
37
|
64
|
65
|
60
|
51
|
53
|
38
|
44
|
34
|
29
|
30
|
32
|
15
|
28
|
32
|
34
|
27
|
16
|
21
|
30
|
37
|
|
2024/09
|
24
|
33
|
22
|
33
|
25
|
12
|
18
|
22
|
20
|
29
|
39
|
48
|
35
|
31
|
23
|
24
|
29
|
26
|
40
|
41
|
19
|
15
|
16
|
15
|
23
|
27
|
35
|
43
|
40
|
36
|
|
|
2024/08
|
18
|
31
|
29
|
32
|
33
|
35
|
42
|
36
|
26
|
25
|
23
|
20
|
26
|
18
|
17
|
20
|
22
|
22
|
23
|
23
|
20
|
26
|
27
|
24
|
25
|
29
|
32
|
33
|
29
|
38
|
29
|
|
2024/07
|
25
|
23
|
21
|
23
|
25
|
22
|
28
|
18
|
23
|
19
|
21
|
22
|
17
|
25
|
26
|
22
|
16
|
20
|
29
|
25
|
23
|
21
|
20
|
23
|
25
|
34
|
25
|
15
|
12
|
16
|
16
|
|
2024/06
|
9
|
23
|
34
|
27
|
55
|
17
|
31
|
36
|
16
|
21
|
22
|
27
|
24
|
26
|
19
|
27
|
27
|
27
|
26
|
24
|
17
|
22
|
19
|
18
|
17
|
28
|
33
|
22
|
19
|
16
|
|
|
2024/05
|
17
|
28
|
36
|
36
|
29
|
65
|
21
|
37
|
52
|
58
|
36
|
37
|
38
|
58
|
53
|
60
|
55
|
58
|
40
|
13
|
12
|
26
|
47
|
24
|
29
|
24
|
35
|
24
|
32
|
59
|
25
|
|
2024/04
|
44
|
39
|
29
|
28
|
21
|
30
|
27
|
23
|
27
|
51
|
52
|
53
|
42
|
38
|
38
|
34
|
30
|
34
|
31
|
20
|
23
|
47
|
36
|
43
|
34
|
36
|
53
|
47
|
30
|
29
|
|
|
2024/03
|
30
|
43
|
60
|
58
|
43
|
34
|
43
|
48
|
49
|
23
|
22
|
34
|
66
|
61
|
68
|
85
|
97
|
55
|
21
|
69
|
63
|
59
|
46
|
35
|
36
|
42
|
55
|
45
|
47
|
44
|
37
|
|
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