Air Quality
Excellent
No health implications.
10
PM2.5
20
PM10
71
O3
0.4
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Feb
53
Good
Fri
14 Feb
89
Good
Sat
15 Feb
97
Good
Sun
16 Feb
57
Good
Mon
17 Feb
58
Good
Tue
18 Feb
56
Good
Wed
19 Feb
26
Excellent
Air quality in the last 12 months (Longsha)
|
2025/01
|
98
|
39
|
41
|
118
|
123
|
67
|
25
|
31
|
26
|
29
|
59
|
163
|
236
|
64
|
29
|
32
|
89
|
188
|
188
|
134
|
88
|
68
|
208
|
271
|
222
|
204
|
26
|
35
|
51
|
27
|
27
|
|
2024/12
|
36
|
16
|
21
|
19
|
22
|
17
|
23
|
32
|
78
|
40
|
22
|
33
|
47
|
29
|
21
|
25
|
26
|
27
|
31
|
48
|
28
|
25
|
23
|
40
|
39
|
25
|
22
|
26
|
50
|
117
|
114
|
|
2024/11
|
48
|
58
|
38
|
29
|
29
|
70
|
79
|
185
|
171
|
119
|
126
|
47
|
117
|
191
|
106
|
44
|
25
|
26
|
44
|
42
|
22
|
31
|
65
|
188
|
144
|
46
|
23
|
37
|
21
|
24
|
|
|
2024/10
|
21
|
24
|
33
|
37
|
40
|
42
|
63
|
32
|
52
|
23
|
26
|
25
|
48
|
53
|
20
|
36
|
27
|
35
|
23
|
46
|
34
|
37
|
42
|
51
|
44
|
98
|
46
|
38
|
57
|
44
|
53
|
|
2024/09
|
15
|
20
|
27
|
26
|
21
|
24
|
33
|
34
|
42
|
24
|
22
|
30
|
19
|
27
|
33
|
27
|
25
|
26
|
18
|
24
|
29
|
29
|
34
|
36
|
30
|
38
|
31
|
31
|
50
|
21
|
|
|
2024/08
|
25
|
25
|
25
|
22
|
18
|
28
|
33
|
24
|
37
|
36
|
18
|
21
|
24
|
30
|
32
|
30
|
31
|
26
|
21
|
23
|
21
|
26
|
33
|
27
|
31
|
16
|
17
|
24
|
25
|
17
|
17
|
|
2024/07
|
35
|
49
|
58
|
64
|
61
|
51
|
60
|
79
|
70
|
70
|
81
|
85
|
92
|
65
|
57
|
51
|
22
|
37
|
30
|
36
|
26
|
29
|
25
|
25
|
30
|
23
|
13
|
21
|
21
|
27
|
27
|
|
2024/06
|
30
|
32
|
41
|
21
|
41
|
50
|
30
|
19
|
19
|
31
|
26
|
24
|
26
|
14
|
21
|
33
|
21
|
26
|
32
|
22
|
20
|
20
|
23
|
25
|
29
|
39
|
45
|
53
|
26
|
41
|
|
|
2024/05
|
56
|
37
|
50
|
74
|
37
|
41
|
41
|
75
|
33
|
36
|
12
|
31
|
31
|
22
|
17
|
26
|
45
|
27
|
37
|
37
|
43
|
31
|
22
|
26
|
42
|
23
|
30
|
23
|
27
|
20
|
22
|
|
2024/04
|
34
|
79
|
51
|
40
|
70
|
35
|
50
|
33
|
59
|
70
|
88
|
91
|
88
|
126
|
196
|
43
|
54
|
42
|
27
|
73
|
153
|
67
|
31
|
33
|
27
|
24
|
22
|
19
|
33
|
29
|
|
|
2024/03
|
26
|
29
|
27
|
27
|
24
|
28
|
28
|
24
|
33
|
51
|
29
|
42
|
33
|
53
|
42
|
79
|
19
|
24
|
36
|
25
|
29
|
55
|
71
|
27
|
47
|
68
|
79
|
149
|
24
|
25
|
28
|
|
2024/02
|
31
|
43
|
46
|
37
|
70
|
112
|
52
|
33
|
92
|
135
|
47
|
69
|
52
|
33
|
26
|
64
|
90
|
51
|
24
|
22
|
24
|
29
|
34
|
114
|
71
|
31
|
49
|
44
|
45
|
||
|
1
|
2
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3
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4
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5
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6
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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