Air Quality
Excellent
No health implications.
22
PM2.5
37
PM10
48
O3
0.5
CO
7
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Mar
85
Good
Tue
1 Apr
90
Good
Wed
2 Apr
83
Good
Thu
3 Apr
88
Good
Fri
4 Apr
92
Good
Sat
5 Apr
23
Excellent
Sun
6 Apr
33
Excellent
Air quality in the last 12 months (Longfeng)
|
2025/02
|
77
|
131
|
61
|
28
|
65
|
57
|
23
|
22
|
29
|
63
|
166
|
113
|
52
|
37
|
51
|
39
|
31
|
25
|
30
|
33
|
32
|
43
|
40
|
45
|
50
|
34
|
61
|
42
|
|||
|
2025/01
|
149
|
83
|
41
|
123
|
119
|
93
|
63
|
42
|
37
|
42
|
105
|
194
|
185
|
167
|
49
|
37
|
76
|
144
|
189
|
188
|
134
|
54
|
163
|
238
|
280
|
200
|
51
|
56
|
51
|
34
|
49
|
|
2024/12
|
60
|
23
|
35
|
28
|
28
|
23
|
29
|
37
|
133
|
68
|
28
|
53
|
53
|
47
|
30
|
27
|
38
|
40
|
58
|
59
|
45
|
31
|
44
|
54
|
53
|
40
|
36
|
36
|
68
|
89
|
120
|
|
2024/11
|
58
|
79
|
46
|
38
|
34
|
54
|
187
|
165
|
190
|
73
|
247
|
66
|
196
|
298
|
164
|
55
|
23
|
35
|
74
|
142
|
59
|
32
|
80
|
150
|
225
|
97
|
30
|
42
|
29
|
39
|
|
|
2024/10
|
28
|
24
|
30
|
40
|
42
|
26
|
59
|
49
|
44
|
27
|
35
|
30
|
57
|
50
|
18
|
25
|
29
|
41
|
23
|
34
|
43
|
36
|
42
|
55
|
44
|
58
|
33
|
39
|
56
|
55
|
76
|
|
2024/09
|
14
|
21
|
24
|
30
|
20
|
33
|
29
|
24
|
40
|
32
|
26
|
28
|
20
|
30
|
27
|
29
|
30
|
24
|
22
|
15
|
23
|
35
|
33
|
37
|
28
|
34
|
33
|
37
|
52
|
30
|
|
|
2024/08
|
18
|
21
|
21
|
21
|
19
|
24
|
27
|
27
|
36
|
28
|
9
|
16
|
18
|
21
|
30
|
31
|
40
|
29
|
17
|
15
|
14
|
18
|
28
|
21
|
30
|
18
|
24
|
25
|
24
|
18
|
20
|
|
2024/07
|
50
|
40
|
44
|
32
|
30
|
40
|
73
|
87
|
60
|
73
|
96
|
54
|
68
|
61
|
55
|
45
|
28
|
42
|
36
|
35
|
17
|
16
|
22
|
18
|
21
|
16
|
14
|
16
|
17
|
25
|
20
|
|
2024/06
|
23
|
32
|
36
|
18
|
34
|
50
|
34
|
20
|
20
|
29
|
23
|
20
|
22
|
20
|
12
|
24
|
18
|
22
|
40
|
22
|
13
|
12
|
13
|
18
|
32
|
38
|
44
|
50
|
36
|
42
|
|
|
2024/05
|
46
|
43
|
53
|
75
|
53
|
47
|
39
|
69
|
22
|
27
|
15
|
33
|
30
|
17
|
18
|
23
|
45
|
25
|
26
|
25
|
43
|
48
|
17
|
25
|
35
|
15
|
19
|
32
|
19
|
14
|
16
|
|
2024/04
|
36
|
79
|
55
|
42
|
74
|
49
|
43
|
32
|
71
|
126
|
134
|
92
|
86
|
94
|
52
|
59
|
52
|
53
|
27
|
153
|
188
|
104
|
26
|
30
|
38
|
21
|
18
|
17
|
49
|
41
|
|
|
2024/03
|
30
|
34
|
37
|
36
|
37
|
35
|
46
|
31
|
45
|
51
|
39
|
39
|
48
|
46
|
46
|
28
|
24
|
26
|
36
|
26
|
32
|
42
|
75
|
29
|
32
|
83
|
82
|
171
|
31
|
31
|
34
|
|
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