Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
14
O3
0.4
CO
4
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
86
Good
Sat
2 May
69
Good
Sun
3 May
53
Good
Mon
4 May
76
Good
Tue
5 May
81
Good
Wed
6 May
78
Good
Thu
7 May
32
Excellent
Air quality in the last 12 months (Longyou)
|
2026/03
|
24
|
15
|
31
|
66
|
40
|
54
|
64
|
59
|
64
|
54
|
53
|
53
|
65
|
63
|
66
|
66
|
60
|
52
|
25
|
62
|
50
|
37
|
32
|
25
|
34
|
58
|
39
|
43
|
31
|
41
|
22
|
|
2026/02
|
39
|
49
|
72
|
75
|
94
|
43
|
22
|
46
|
43
|
49
|
50
|
61
|
67
|
52
|
40
|
19
|
62
|
45
|
43
|
37
|
33
|
45
|
144
|
49
|
26
|
31
|
12
|
18
|
|||
|
2026/01
|
22
|
34
|
92
|
95
|
64
|
61
|
55
|
56
|
62
|
56
|
68
|
69
|
60
|
65
|
69
|
79
|
115
|
110
|
65
|
15
|
41
|
67
|
90
|
98
|
113
|
110
|
33
|
97
|
75
|
32
|
15
|
|
2025/12
|
92
|
132
|
57
|
61
|
64
|
82
|
96
|
102
|
70
|
61
|
73
|
77
|
39
|
45
|
60
|
64
|
88
|
162
|
135
|
98
|
64
|
48
|
57
|
41
|
36
|
56
|
61
|
66
|
65
|
110
|
53
|
|
2025/11
|
46
|
58
|
61
|
38
|
46
|
50
|
37
|
54
|
12
|
49
|
33
|
33
|
42
|
60
|
86
|
73
|
60
|
29
|
37
|
45
|
58
|
74
|
67
|
52
|
76
|
96
|
89
|
95
|
72
|
68
|
|
|
2025/10
|
38
|
34
|
37
|
49
|
31
|
36
|
49
|
50
|
36
|
40
|
45
|
51
|
49
|
29
|
37
|
31
|
37
|
28
|
18
|
27
|
29
|
29
|
29
|
40
|
51
|
55
|
44
|
60
|
44
|
37
|
40
|
|
2025/09
|
31
|
27
|
29
|
36
|
34
|
28
|
29
|
24
|
21
|
16
|
21
|
23
|
26
|
19
|
29
|
30
|
25
|
28
|
21
|
25
|
26
|
32
|
29
|
19
|
27
|
28
|
32
|
35
|
42
|
44
|
|
|
2025/08
|
37
|
42
|
35
|
31
|
21
|
19
|
22
|
26
|
29
|
36
|
37
|
32
|
15
|
14
|
16
|
22
|
21
|
24
|
26
|
26
|
26
|
22
|
20
|
28
|
26
|
28
|
25
|
18
|
20
|
25
|
29
|
|
2025/07
|
15
|
21
|
30
|
36
|
26
|
18
|
19
|
19
|
19
|
27
|
22
|
21
|
26
|
31
|
35
|
44
|
36
|
28
|
20
|
17
|
15
|
21
|
23
|
26
|
24
|
14
|
19
|
17
|
24
|
23
|
24
|
|
2025/06
|
39
|
21
|
19
|
40
|
33
|
37
|
41
|
52
|
31
|
27
|
18
|
23
|
18
|
22
|
12
|
26
|
38
|
24
|
30
|
25
|
25
|
31
|
15
|
15
|
28
|
21
|
27
|
21
|
27
|
27
|
|
|
2025/05
|
48
|
49
|
54
|
50
|
33
|
58
|
109
|
56
|
21
|
42
|
42
|
46
|
43
|
44
|
69
|
53
|
27
|
50
|
48
|
25
|
17
|
31
|
14
|
33
|
63
|
68
|
65
|
41
|
27
|
40
|
44
|
|
2025/04
|
44
|
45
|
74
|
69
|
60
|
61
|
63
|
57
|
65
|
44
|
52
|
94
|
158
|
96
|
59
|
53
|
60
|
58
|
60
|
58
|
66
|
19
|
47
|
38
|
29
|
44
|
40
|
37
|
56
|
55
|
|
|
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