Air Quality
Excellent
No health implications.
5
PM2.5
16
PM10
54
O3
0.3
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Aug
50
Excellent
Thu
14 Aug
44
Excellent
Fri
15 Aug
46
Excellent
Sat
16 Aug
46
Excellent
Sun
17 Aug
49
Excellent
Mon
18 Aug
53
Good
Tue
19 Aug
49
Excellent
Air quality in the last 12 months (Longquan)
|
2025/06
|
36
|
30
|
17
|
33
|
29
|
32
|
33
|
39
|
21
|
21
|
19
|
21
|
14
|
22
|
16
|
20
|
26
|
19
|
26
|
21
|
21
|
22
|
21
|
20
|
29
|
26
|
26
|
21
|
27
|
21
|
|
|
2025/05
|
43
|
45
|
50
|
49
|
35
|
43
|
81
|
47
|
33
|
40
|
39
|
40
|
38
|
37
|
51
|
44
|
34
|
27
|
31
|
24
|
28
|
32
|
25
|
29
|
57
|
60
|
54
|
32
|
17
|
33
|
41
|
|
2025/04
|
29
|
36
|
52
|
56
|
51
|
56
|
57
|
55
|
58
|
39
|
44
|
65
|
122
|
83
|
64
|
52
|
59
|
58
|
52
|
34
|
51
|
26
|
33
|
27
|
18
|
33
|
32
|
35
|
53
|
48
|
|
|
2025/03
|
46
|
43
|
45
|
19
|
27
|
22
|
43
|
46
|
61
|
61
|
68
|
65
|
20
|
23
|
12
|
27
|
36
|
35
|
50
|
42
|
39
|
41
|
48
|
58
|
65
|
82
|
78
|
46
|
32
|
30
|
30
|
|
2025/02
|
21
|
14
|
37
|
47
|
37
|
46
|
49
|
49
|
34
|
45
|
42
|
45
|
91
|
90
|
64
|
45
|
57
|
45
|
38
|
19
|
15
|
27
|
26
|
60
|
92
|
68
|
53
|
35
|
|||
|
2025/01
|
91
|
74
|
73
|
71
|
65
|
75
|
76
|
93
|
75
|
40
|
47
|
49
|
54
|
55
|
83
|
55
|
54
|
55
|
47
|
51
|
77
|
76
|
65
|
50
|
42
|
28
|
31
|
45
|
107
|
49
|
43
|
|
2024/12
|
46
|
50
|
65
|
82
|
61
|
31
|
60
|
65
|
48
|
52
|
27
|
47
|
47
|
73
|
67
|
55
|
55
|
63
|
48
|
45
|
60
|
69
|
66
|
68
|
74
|
97
|
138
|
93
|
68
|
66
|
72
|
|
2024/11
|
14
|
21
|
33
|
57
|
62
|
46
|
31
|
36
|
42
|
40
|
36
|
46
|
47
|
44
|
27
|
18
|
23
|
23
|
26
|
29
|
41
|
44
|
67
|
38
|
30
|
22
|
37
|
39
|
45
|
43
|
|
|
2024/10
|
21
|
23
|
25
|
27
|
35
|
21
|
17
|
17
|
33
|
43
|
57
|
56
|
42
|
39
|
52
|
20
|
31
|
34
|
27
|
20
|
37
|
43
|
29
|
42
|
33
|
27
|
21
|
17
|
53
|
47
|
37
|
|
2024/09
|
26
|
35
|
40
|
31
|
26
|
24
|
26
|
22
|
22
|
35
|
33
|
33
|
23
|
28
|
31
|
25
|
17
|
22
|
25
|
35
|
20
|
20
|
17
|
18
|
23
|
37
|
21
|
32
|
43
|
33
|
|
|
2024/08
|
19
|
23
|
31
|
30
|
23
|
26
|
29
|
31
|
33
|
36
|
32
|
25
|
23
|
26
|
25
|
31
|
25
|
23
|
18
|
17
|
12
|
26
|
30
|
35
|
38
|
38
|
41
|
23
|
33
|
26
|
26
|
|
2024/07
|
27
|
21
|
23
|
24
|
29
|
28
|
27
|
23
|
27
|
28
|
25
|
27
|
28
|
25
|
27
|
21
|
23
|
22
|
24
|
25
|
27
|
19
|
17
|
15
|
12
|
12
|
9
|
15
|
13
|
16
|
18
|
|
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