Air Quality
Excellent
No health implications.
9
PM2.5
29
PM10
66
O3
0.7
CO
4
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Apr
52
Good
Sun
6 Apr
56
Good
Mon
7 Apr
80
Good
Tue
8 Apr
100
Good
Wed
9 Apr
111
Light
Thu
10 Apr
114
Light
Fri
11 Apr
25
Excellent
Air quality in the last 12 months (Longquanyi)
|
2025/02
|
33
|
40
|
37
|
44
|
44
|
26
|
31
|
25
|
37
|
50
|
62
|
63
|
49
|
47
|
40
|
50
|
51
|
62
|
48
|
45
|
32
|
22
|
40
|
20
|
19
|
39
|
67
|
69
|
|||
|
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
|
|
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