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
29 Mar
Sun
30 Mar
Mon
31 Mar
Tue
1 Apr
Wed
2 Apr
Thu
3 Apr
Fri
4 Apr
Real-time AQI (Monitoring Station in Tonghua)
光明
263
PM2.5
26
PM10
78
O3
0.7
CO
15
SO2
12
NO2
铁路
246
PM2.5
22
PM10
74
O3
0.4
CO
14
SO2
13
NO2
Air quality in the last 12 months (Tonghua)
|
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
|
|
2024/06
|
14
|
13
|
32
|
26
|
24
|
21
|
21
|
17
|
16
|
27
|
30
|
18
|
22
|
13
|
13
|
21
|
29
|
33
|
45
|
25
|
28
|
21
|
15
|
14
|
12
|
23
|
27
|
29
|
19
|
22
|
|
|
2024/05
|
27
|
39
|
36
|
34
|
19
|
12
|
29
|
27
|
45
|
50
|
39
|
41
|
30
|
37
|
16
|
28
|
29
|
41
|
21
|
11
|
15
|
24
|
19
|
31
|
23
|
12
|
9
|
24
|
30
|
21
|
15
|
|
2024/04
|
38
|
43
|
50
|
70
|
43
|
57
|
54
|
92
|
68
|
107
|
34
|
38
|
30
|
37
|
45
|
142
|
105
|
54
|
64
|
88
|
47
|
32
|
33
|
19
|
33
|
46
|
44
|
21
|
21
|
26
|
|
|
2024/03
|
33
|
37
|
30
|
39
|
39
|
26
|
30
|
31
|
35
|
44
|
35
|
44
|
41
|
48
|
53
|
45
|
64
|
35
|
31
|
30
|
45
|
60
|
39
|
44
|
31
|
34
|
47
|
45
|
90
|
58
|
57
|
|
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