Air Quality
Excellent
No health implications.
20
PM2.5
39
PM10
61
O3
0.6
CO
9
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
59
Good
Mon
18 May
47
Excellent
Tue
19 May
46
Excellent
Wed
20 May
46
Excellent
Thu
21 May
43
Excellent
Fri
22 May
49
Excellent
Sat
23 May
34
Excellent
Air quality in the last 12 months (Longfeng)
|
2026/04
|
48
|
82
|
57
|
42
|
54
|
41
|
31
|
57
|
31
|
31
|
27
|
45
|
36
|
50
|
59
|
53
|
58
|
45
|
58
|
145
|
62
|
40
|
35
|
51
|
39
|
34
|
26
|
37
|
37
|
74
|
|
|
2026/03
|
27
|
28
|
73
|
58
|
33
|
40
|
47
|
60
|
55
|
47
|
32
|
44
|
107
|
40
|
45
|
34
|
150
|
69
|
44
|
60
|
132
|
120
|
82
|
177
|
134
|
67
|
51
|
69
|
194
|
32
|
136
|
|
2026/02
|
35
|
46
|
50
|
34
|
36
|
25
|
34
|
42
|
73
|
120
|
44
|
56
|
68
|
93
|
29
|
67
|
51
|
30
|
58
|
96
|
128
|
55
|
55
|
26
|
98
|
27
|
28
|
26
|
|||
|
2026/01
|
31
|
41
|
45
|
32
|
32
|
66
|
24
|
51
|
56
|
46
|
50
|
73
|
44
|
42
|
63
|
51
|
34
|
40
|
36
|
25
|
37
|
31
|
31
|
30
|
30
|
60
|
34
|
36
|
38
|
35
|
47
|
|
2025/12
|
26
|
34
|
30
|
42
|
72
|
59
|
123
|
35
|
37
|
34
|
32
|
44
|
54
|
57
|
47
|
35
|
53
|
127
|
92
|
37
|
34
|
71
|
67
|
44
|
26
|
33
|
55
|
69
|
28
|
24
|
24
|
|
2025/11
|
187
|
41
|
128
|
86
|
178
|
88
|
29
|
174
|
37
|
28
|
55
|
75
|
33
|
31
|
141
|
41
|
28
|
46
|
75
|
39
|
49
|
89
|
71
|
60
|
86
|
135
|
40
|
70
|
81
|
43
|
|
|
2025/10
|
40
|
39
|
56
|
30
|
21
|
27
|
55
|
27
|
49
|
48
|
80
|
21
|
34
|
27
|
28
|
30
|
27
|
30
|
27
|
29
|
38
|
39
|
34
|
43
|
44
|
34
|
35
|
37
|
190
|
70
|
62
|
|
2025/09
|
30
|
30
|
43
|
52
|
46
|
27
|
30
|
22
|
25
|
25
|
30
|
38
|
32
|
32
|
21
|
21
|
25
|
34
|
35
|
24
|
37
|
34
|
39
|
27
|
25
|
33
|
36
|
39
|
32
|
59
|
|
|
2025/08
|
29
|
30
|
20
|
28
|
29
|
19
|
19
|
22
|
18
|
19
|
19
|
27
|
23
|
26
|
32
|
19
|
22
|
26
|
32
|
22
|
23
|
18
|
31
|
26
|
18
|
21
|
26
|
24
|
26
|
31
|
34
|
|
2025/07
|
31
|
30
|
37
|
32
|
22
|
25
|
21
|
22
|
29
|
42
|
49
|
28
|
23
|
23
|
22
|
19
|
17
|
16
|
23
|
22
|
25
|
33
|
37
|
39
|
22
|
33
|
22
|
25
|
22
|
23
|
28
|
|
2025/06
|
28
|
32
|
28
|
31
|
26
|
24
|
25
|
29
|
19
|
19
|
24
|
36
|
41
|
32
|
27
|
24
|
24
|
32
|
25
|
24
|
20
|
29
|
38
|
47
|
42
|
49
|
48
|
36
|
39
|
49
|
|
|
2025/05
|
41
|
33
|
27
|
23
|
29
|
37
|
41
|
47
|
39
|
34
|
54
|
65
|
71
|
51
|
75
|
41
|
28
|
37
|
35
|
44
|
38
|
29
|
33
|
37
|
43
|
51
|
54
|
60
|
62
|
69
|
54
|
|
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