Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
44
O3
0.5
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
41
Excellent
Sat
29 Aug
42
Excellent
Sun
30 Aug
43
Excellent
Mon
31 Aug
43
Excellent
Tue
1 Sep
50
Excellent
Wed
2 Sep
45
Excellent
Thu
3 Sep
49
Excellent
Air quality in the last 12 months (Longquan)
|
2026/07
|
22
|
17
|
25
|
22
|
18
|
19
|
20
|
20
|
26
|
26
|
17
|
15
|
21
|
22
|
17
|
20
|
25
|
25
|
23
|
17
|
22
|
31
|
37
|
38
|
18
|
19
|
18
|
17
|
22
|
26
|
22
|
|
2026/06
|
42
|
48
|
52
|
22
|
31
|
40
|
41
|
31
|
22
|
30
|
34
|
34
|
28
|
20
|
31
|
29
|
29
|
14
|
16
|
21
|
23
|
30
|
27
|
28
|
22
|
28
|
40
|
34
|
26
|
26
|
|
|
2026/05
|
28
|
33
|
29
|
31
|
31
|
32
|
35
|
29
|
23
|
29
|
34
|
41
|
45
|
21
|
25
|
31
|
29
|
29
|
31
|
32
|
21
|
21
|
18
|
25
|
26
|
33
|
31
|
33
|
43
|
48
|
43
|
|
2026/04
|
25
|
33
|
26
|
28
|
48
|
46
|
43
|
27
|
43
|
35
|
32
|
29
|
47
|
44
|
40
|
30
|
28
|
40
|
45
|
49
|
39
|
19
|
18
|
27
|
37
|
43
|
48
|
54
|
27
|
22
|
|
|
2026/03
|
17
|
19
|
26
|
56
|
32
|
43
|
57
|
49
|
50
|
42
|
37
|
44
|
52
|
52
|
51
|
50
|
48
|
48
|
20
|
40
|
37
|
36
|
26
|
20
|
29
|
38
|
32
|
37
|
27
|
32
|
22
|
|
2026/02
|
33
|
41
|
56
|
56
|
67
|
41
|
17
|
36
|
38
|
42
|
43
|
51
|
57
|
44
|
37
|
19
|
47
|
51
|
45
|
34
|
39
|
37
|
99
|
52
|
22
|
20
|
15
|
16
|
|||
|
2026/01
|
25
|
24
|
60
|
69
|
50
|
43
|
49
|
48
|
47
|
47
|
54
|
60
|
52
|
54
|
54
|
60
|
84
|
87
|
63
|
14
|
35
|
58
|
78
|
73
|
69
|
72
|
29
|
62
|
61
|
32
|
14
|
|
2025/12
|
59
|
103
|
52
|
55
|
54
|
61
|
68
|
80
|
73
|
49
|
54
|
76
|
41
|
38
|
47
|
53
|
61
|
108
|
97
|
64
|
76
|
41
|
48
|
50
|
28
|
49
|
49
|
49
|
50
|
71
|
65
|
|
2025/11
|
39
|
50
|
60
|
26
|
32
|
45
|
36
|
40
|
16
|
40
|
34
|
19
|
34
|
41
|
64
|
61
|
50
|
25
|
30
|
36
|
46
|
54
|
53
|
47
|
66
|
79
|
68
|
66
|
59
|
53
|
|
|
2025/10
|
37
|
26
|
25
|
29
|
27
|
30
|
37
|
43
|
38
|
36
|
41
|
36
|
38
|
28
|
26
|
30
|
33
|
31
|
20
|
23
|
26
|
24
|
32
|
35
|
41
|
49
|
40
|
50
|
33
|
32
|
29
|
|
2025/09
|
24
|
23
|
26
|
30
|
27
|
22
|
18
|
20
|
21
|
15
|
17
|
21
|
26
|
19
|
27
|
21
|
21
|
21
|
19
|
25
|
25
|
32
|
24
|
18
|
25
|
25
|
29
|
30
|
37
|
40
|
|
|
2025/08
|
32
|
30
|
25
|
20
|
16
|
18
|
17
|
21
|
26
|
32
|
31
|
25
|
13
|
11
|
11
|
13
|
14
|
16
|
18
|
20
|
16
|
16
|
23
|
22
|
20
|
21
|
17
|
13
|
14
|
17
|
27
|
|
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