Air Quality
Excellent
No health implications.
25
PM2.5
32
PM10
74
O3
0.5
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Jul
144
Light
Fri
18 Jul
118
Light
Sat
19 Jul
66
Good
Sun
20 Jul
64
Good
Mon
21 Jul
76
Good
Tue
22 Jul
86
Good
Wed
23 Jul
36
Excellent
Air quality in the last 12 months (Longquanyi)
|
2025/06
|
27
|
22
|
30
|
39
|
40
|
47
|
41
|
40
|
29
|
28
|
34
|
32
|
40
|
38
|
26
|
28
|
33
|
12
|
23
|
28
|
17
|
21
|
21
|
13
|
13
|
19
|
23
|
29
|
17
|
9
|
|
|
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
|
|
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