Air Quality
Excellent
No health implications.
11
PM2.5
23
PM10
66
O3
0.2
CO
3
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 May
52
Good
Sun
11 May
112
Light
Mon
12 May
121
Light
Tue
13 May
131
Light
Wed
14 May
91
Good
Thu
15 May
116
Light
Fri
16 May
42
Excellent
Air quality in the last 12 months (Longyao)
|
2025/02
|
74
|
119
|
68
|
34
|
41
|
89
|
39
|
30
|
66
|
96
|
131
|
82
|
69
|
96
|
79
|
59
|
47
|
55
|
59
|
70
|
83
|
56
|
43
|
61
|
73
|
77
|
119
|
167
|
|||
|
2025/01
|
113
|
48
|
67
|
123
|
102
|
41
|
48
|
51
|
33
|
50
|
64
|
56
|
73
|
81
|
44
|
58
|
73
|
110
|
108
|
96
|
138
|
58
|
72
|
88
|
98
|
77
|
29
|
52
|
141
|
101
|
66
|
|
2024/12
|
93
|
42
|
51
|
102
|
83
|
65
|
36
|
51
|
90
|
129
|
68
|
89
|
70
|
60
|
58
|
64
|
62
|
42
|
54
|
71
|
39
|
45
|
76
|
124
|
151
|
62
|
59
|
51
|
72
|
89
|
84
|
|
2024/11
|
60
|
73
|
92
|
37
|
44
|
65
|
76
|
100
|
101
|
131
|
147
|
162
|
138
|
73
|
71
|
70
|
53
|
40
|
53
|
68
|
70
|
61
|
73
|
94
|
80
|
26
|
43
|
37
|
45
|
68
|
|
|
2024/10
|
38
|
26
|
41
|
60
|
71
|
72
|
80
|
75
|
102
|
95
|
64
|
110
|
158
|
145
|
121
|
69
|
102
|
32
|
23
|
22
|
51
|
53
|
52
|
88
|
118
|
141
|
127
|
67
|
121
|
176
|
153
|
|
2024/09
|
49
|
24
|
28
|
49
|
31
|
22
|
44
|
54
|
73
|
30
|
23
|
29
|
34
|
38
|
29
|
38
|
46
|
48
|
49
|
37
|
15
|
20
|
35
|
64
|
84
|
96
|
91
|
95
|
92
|
19
|
|
|
2024/08
|
41
|
42
|
34
|
26
|
25
|
38
|
34
|
29
|
36
|
58
|
33
|
25
|
28
|
34
|
39
|
32
|
35
|
31
|
20
|
25
|
29
|
46
|
55
|
45
|
50
|
24
|
14
|
26
|
38
|
52
|
48
|
|
2024/07
|
37
|
43
|
53
|
55
|
43
|
33
|
45
|
40
|
58
|
60
|
72
|
60
|
60
|
78
|
75
|
38
|
43
|
42
|
40
|
25
|
34
|
41
|
43
|
46
|
18
|
24
|
30
|
22
|
20
|
24
|
28
|
|
2024/06
|
43
|
68
|
52
|
71
|
67
|
77
|
66
|
55
|
65
|
66
|
70
|
64
|
70
|
55
|
49
|
44
|
60
|
55
|
52
|
48
|
53
|
58
|
107
|
63
|
56
|
71
|
41
|
58
|
49
|
55
|
|
|
2024/05
|
47
|
57
|
61
|
48
|
39
|
59
|
68
|
68
|
68
|
60
|
171
|
76
|
84
|
93
|
37
|
57
|
65
|
75
|
79
|
25
|
55
|
66
|
63
|
50
|
52
|
54
|
43
|
51
|
65
|
54
|
46
|
|
2024/04
|
102
|
76
|
49
|
43
|
65
|
78
|
80
|
89
|
57
|
100
|
110
|
62
|
63
|
42
|
87
|
82
|
84
|
84
|
82
|
72
|
71
|
84
|
65
|
62
|
87
|
71
|
66
|
59
|
42
|
46
|
|
|
2024/03
|
57
|
86
|
81
|
88
|
75
|
67
|
75
|
36
|
70
|
87
|
98
|
100
|
90
|
110
|
80
|
87
|
75
|
93
|
91
|
70
|
94
|
99
|
93
|
80
|
40
|
66
|
57
|
220
|
187
|
96
|
85
|
|
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