Air Quality
Excellent
No health implications.
3
PM2.5
14
PM10
30
O3
0.1
CO
2
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jul
30
Excellent
Tue
8 Jul
27
Excellent
Wed
9 Jul
30
Excellent
Thu
10 Jul
26
Excellent
Fri
11 Jul
28
Excellent
Sat
12 Jul
29
Excellent
Sun
13 Jul
28
Excellent
Air quality in the last 12 months (Haitang)
|
2025/05
|
24
|
20
|
24
|
19
|
16
|
17
|
15
|
14
|
22
|
16
|
17
|
31
|
20
|
12
|
15
|
13
|
15
|
17
|
14
|
18
|
15
|
12
|
11
|
11
|
16
|
19
|
11
|
12
|
14
|
16
|
14
|
|
2025/04
|
19
|
25
|
33
|
32
|
32
|
23
|
27
|
29
|
25
|
26
|
23
|
25
|
52
|
122
|
107
|
104
|
86
|
44
|
27
|
22
|
20
|
21
|
19
|
20
|
21
|
17
|
11
|
19
|
19
|
23
|
|
|
2025/03
|
23
|
19
|
22
|
19
|
19
|
14
|
17
|
19
|
31
|
37
|
35
|
30
|
21
|
16
|
18
|
20
|
19
|
23
|
38
|
48
|
47
|
41
|
38
|
37
|
32
|
24
|
24
|
22
|
21
|
18
|
26
|
|
2025/02
|
28
|
20
|
23
|
22
|
27
|
36
|
39
|
24
|
45
|
46
|
36
|
22
|
32
|
26
|
12
|
17
|
24
|
43
|
51
|
42
|
40
|
29
|
19
|
25
|
29
|
39
|
33
|
28
|
|||
|
2025/01
|
55
|
45
|
48
|
44
|
52
|
60
|
46
|
43
|
47
|
62
|
46
|
53
|
42
|
23
|
33
|
59
|
60
|
51
|
50
|
47
|
40
|
39
|
40
|
33
|
26
|
26
|
26
|
41
|
56
|
45
|
37
|
|
2024/12
|
37
|
32
|
31
|
30
|
34
|
39
|
42
|
45
|
32
|
30
|
24
|
32
|
21
|
30
|
52
|
45
|
39
|
44
|
49
|
47
|
48
|
48
|
35
|
43
|
31
|
24
|
27
|
48
|
57
|
45
|
47
|
|
2024/11
|
35
|
37
|
14
|
15
|
37
|
39
|
32
|
49
|
42
|
28
|
28
|
31
|
38
|
33
|
24
|
28
|
21
|
23
|
30
|
15
|
16
|
25
|
23
|
19
|
27
|
32
|
28
|
37
|
45
|
39
|
|
|
2024/10
|
19
|
29
|
36
|
41
|
39
|
31
|
18
|
45
|
55
|
41
|
29
|
30
|
27
|
18
|
14
|
13
|
14
|
15
|
17
|
22
|
26
|
33
|
34
|
34
|
37
|
23
|
32
|
20
|
10
|
11
|
25
|
|
2024/09
|
12
|
13
|
15
|
21
|
25
|
12
|
21
|
29
|
24
|
17
|
14
|
13
|
20
|
12
|
17
|
19
|
17
|
18
|
16
|
12
|
19
|
13
|
8
|
14
|
17
|
15
|
16
|
15
|
14
|
12
|
|
|
2024/08
|
22
|
20
|
17
|
18
|
21
|
21
|
18
|
17
|
19
|
23
|
25
|
22
|
20
|
15
|
21
|
19
|
18
|
23
|
21
|
18
|
27
|
21
|
19
|
16
|
18
|
18
|
17
|
19
|
24
|
19
|
14
|
|
2024/07
|
21
|
23
|
21
|
14
|
11
|
15
|
10
|
13
|
18
|
16
|
14
|
12
|
12
|
12
|
23
|
18
|
12
|
13
|
14
|
15
|
13
|
11
|
14
|
22
|
19
|
19
|
22
|
24
|
20
|
17
|
22
|
|
2024/06
|
19
|
22
|
16
|
24
|
27
|
20
|
21
|
15
|
23
|
19
|
28
|
24
|
27
|
22
|
32
|
30
|
28
|
24
|
22
|
22
|
17
|
9
|
9
|
13
|
25
|
18
|
14
|
16
|
16
|
21
|
|
|
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