Air Quality
Excellent
No health implications.
7
PM2.5
8
PM10
35
O3
0.7
CO
3
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Feb
39
Excellent
Tue
25 Feb
48
Excellent
Wed
26 Feb
52
Good
Thu
27 Feb
72
Good
Fri
28 Feb
80
Good
Sat
1 Mar
88
Good
Sun
2 Mar
81
Good
Air quality in the last 12 months (Longquanyi)
|
2025/01
|
130
|
102
|
144
|
140
|
61
|
82
|
70
|
49
|
48
|
52
|
44
|
65
|
92
|
73
|
54
|
74
|
77
|
61
|
65
|
86
|
113
|
142
|
195
|
88
|
36
|
76
|
78
|
80
|
95
|
94
|
55
|
|
2024/12
|
62
|
97
|
98
|
76
|
40
|
29
|
22
|
15
|
29
|
51
|
49
|
61
|
45
|
46
|
53
|
65
|
89
|
112
|
85
|
91
|
91
|
56
|
67
|
68
|
64
|
74
|
99
|
69
|
65
|
58
|
67
|
|
2024/11
|
32
|
30
|
37
|
26
|
27
|
32
|
44
|
59
|
32
|
29
|
41
|
38
|
20
|
40
|
52
|
32
|
17
|
7
|
11
|
18
|
27
|
34
|
42
|
32
|
16
|
25
|
35
|
43
|
49
|
55
|
|
|
2024/10
|
16
|
26
|
15
|
22
|
33
|
44
|
25
|
28
|
49
|
36
|
25
|
30
|
32
|
27
|
32
|
43
|
19
|
30
|
22
|
8
|
9
|
26
|
30
|
36
|
47
|
30
|
21
|
24
|
46
|
46
|
43
|
|
2024/09
|
31
|
39
|
26
|
40
|
21
|
35
|
26
|
29
|
32
|
13
|
13
|
24
|
34
|
28
|
15
|
28
|
26
|
32
|
44
|
40
|
13
|
16
|
31
|
43
|
69
|
63
|
50
|
91
|
39
|
13
|
|
|
2024/08
|
28
|
26
|
25
|
11
|
16
|
23
|
22
|
29
|
31
|
26
|
43
|
58
|
47
|
50
|
35
|
29
|
37
|
25
|
23
|
33
|
53
|
51
|
46
|
38
|
40
|
42
|
39
|
47
|
38
|
38
|
41
|
|
2024/07
|
13
|
18
|
13
|
11
|
33
|
27
|
28
|
10
|
6
|
10
|
15
|
13
|
13
|
8
|
10
|
19
|
16
|
11
|
13
|
13
|
26
|
15
|
26
|
24
|
30
|
53
|
47
|
18
|
19
|
15
|
20
|
|
2024/06
|
42
|
27
|
38
|
15
|
17
|
22
|
30
|
28
|
28
|
34
|
20
|
20
|
23
|
46
|
42
|
36
|
14
|
29
|
28
|
21
|
27
|
16
|
26
|
21
|
16
|
12
|
14
|
20
|
19
|
19
|
|
|
2024/05
|
54
|
33
|
14
|
20
|
26
|
36
|
39
|
36
|
27
|
47
|
59
|
46
|
35
|
41
|
37
|
33
|
47
|
50
|
27
|
15
|
23
|
25
|
30
|
31
|
33
|
25
|
32
|
19
|
10
|
24
|
42
|
|
2024/04
|
30
|
59
|
55
|
53
|
21
|
28
|
21
|
18
|
29
|
24
|
17
|
28
|
35
|
46
|
48
|
42
|
46
|
30
|
17
|
50
|
82
|
47
|
22
|
17
|
21
|
40
|
43
|
76
|
45
|
19
|
|
|
2024/03
|
54
|
54
|
67
|
70
|
72
|
57
|
66
|
78
|
88
|
75
|
47
|
67
|
31
|
29
|
61
|
75
|
79
|
45
|
50
|
54
|
59
|
67
|
75
|
40
|
18
|
37
|
41
|
31
|
44
|
31
|
24
|
|
2024/02
|
86
|
61
|
26
|
22
|
31
|
53
|
47
|
69
|
68
|
101
|
84
|
95
|
95
|
84
|
39
|
26
|
42
|
59
|
167
|
289
|
41
|
36
|
17
|
37
|
53
|
37
|
53
|
66
|
46
|
||
|
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