Air Quality
Excellent
No health implications.
10
PM2.5
19
PM10
137
O3
0.6
CO
4
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
85
Good
Sun
22 Jun
82
Good
Mon
23 Jun
64
Good
Tue
24 Jun
46
Excellent
Wed
25 Jun
43
Excellent
Thu
26 Jun
68
Good
Fri
27 Jun
32
Excellent
Air quality in the last 12 months (Longquanyi)
|
2025/05
|
33
|
52
|
62
|
45
|
24
|
28
|
20
|
29
|
255
|
66
|
55
|
48
|
37
|
65
|
57
|
49
|
59
|
78
|
56
|
52
|
58
|
46
|
69
|
48
|
39
|
52
|
33
|
19
|
26
|
41
|
24
|
|
2025/04
|
41
|
52
|
55
|
63
|
34
|
40
|
50
|
58
|
59
|
61
|
53
|
196
|
186
|
98
|
99
|
94
|
63
|
65
|
53
|
47
|
51
|
65
|
71
|
27
|
29
|
36
|
28
|
46
|
24
|
21
|
|
|
2025/03
|
72
|
73
|
37
|
19
|
25
|
16
|
24
|
35
|
48
|
56
|
67
|
78
|
47
|
47
|
31
|
32
|
33
|
29
|
40
|
43
|
47
|
58
|
53
|
39
|
45
|
58
|
152
|
83
|
45
|
24
|
33
|
|
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
|
|
|
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