Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jul
Wed
16 Jul
Thu
17 Jul
Fri
18 Jul
Sat
19 Jul
Sun
20 Jul
Mon
21 Jul
Real-time AQI (Monitoring Station in Tonghua)
光明
266
PM2.5
26
PM10
5
O3
0.5
CO
10
SO2
11
NO2
铁路
243
PM2.5
24
PM10
7
O3
0.6
CO
14
SO2
19
NO2
Air quality in the last 12 months (Tonghua)
|
2025/06
|
40
|
37
|
20
|
13
|
34
|
24
|
19
|
18
|
27
|
14
|
15
|
23
|
25
|
33
|
31
|
16
|
15
|
25
|
27
|
18
|
18
|
19
|
25
|
31
|
31
|
28
|
34
|
19
|
23
|
14
|
|
|
2025/05
|
14
|
20
|
20
|
21
|
29
|
26
|
30
|
40
|
51
|
23
|
30
|
41
|
46
|
34
|
15
|
23
|
18
|
20
|
23
|
41
|
41
|
58
|
36
|
32
|
29
|
30
|
31
|
26
|
37
|
37
|
37
|
|
2025/04
|
53
|
43
|
42
|
45
|
15
|
26
|
36
|
47
|
53
|
49
|
54
|
28
|
13
|
20
|
26
|
36
|
52
|
31
|
15
|
33
|
34
|
17
|
35
|
55
|
55
|
52
|
52
|
52
|
61
|
47
|
|
|
2025/03
|
68
|
26
|
19
|
22
|
36
|
52
|
46
|
45
|
49
|
52
|
39
|
62
|
44
|
34
|
36
|
33
|
55
|
46
|
40
|
40
|
54
|
73
|
101
|
72
|
83
|
82
|
33
|
24
|
24
|
21
|
37
|
|
2025/02
|
78
|
71
|
38
|
34
|
33
|
48
|
38
|
25
|
43
|
53
|
70
|
84
|
94
|
68
|
80
|
48
|
32
|
30
|
41
|
40
|
41
|
35
|
39
|
38
|
55
|
55
|
59
|
58
|
|||
|
2025/01
|
55
|
40
|
50
|
54
|
74
|
51
|
57
|
25
|
26
|
38
|
59
|
65
|
65
|
44
|
39
|
35
|
54
|
59
|
54
|
68
|
72
|
58
|
64
|
64
|
65
|
83
|
60
|
64
|
67
|
59
|
75
|
|
2024/12
|
55
|
17
|
42
|
32
|
33
|
32
|
39
|
52
|
58
|
69
|
52
|
49
|
59
|
53
|
31
|
34
|
37
|
36
|
51
|
69
|
36
|
47
|
65
|
63
|
68
|
42
|
44
|
55
|
49
|
42
|
43
|
|
2024/11
|
66
|
94
|
47
|
17
|
27
|
20
|
33
|
47
|
46
|
32
|
47
|
26
|
38
|
46
|
29
|
29
|
21
|
25
|
26
|
41
|
48
|
31
|
34
|
49
|
56
|
27
|
19
|
29
|
23
|
35
|
|
|
2024/10
|
10
|
15
|
30
|
29
|
28
|
50
|
21
|
36
|
32
|
33
|
33
|
46
|
44
|
31
|
14
|
30
|
56
|
52
|
18
|
26
|
24
|
29
|
20
|
36
|
42
|
55
|
43
|
29
|
49
|
36
|
52
|
|
2024/09
|
18
|
11
|
19
|
18
|
13
|
25
|
31
|
20
|
28
|
19
|
17
|
21
|
19
|
15
|
14
|
24
|
20
|
29
|
31
|
15
|
8
|
22
|
22
|
28
|
31
|
15
|
38
|
31
|
25
|
29
|
|
|
2024/08
|
11
|
11
|
15
|
20
|
15
|
14
|
13
|
24
|
35
|
30
|
25
|
17
|
22
|
25
|
30
|
25
|
26
|
29
|
23
|
23
|
19
|
12
|
14
|
31
|
36
|
30
|
28
|
25
|
22
|
25
|
27
|
|
2024/07
|
22
|
30
|
12
|
25
|
24
|
17
|
13
|
25
|
50
|
51
|
61
|
53
|
56
|
58
|
54
|
27
|
10
|
15
|
29
|
20
|
14
|
16
|
13
|
11
|
11
|
8
|
8
|
8
|
11
|
17
|
16
|
|
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
*: primary pollution