Air Quality
Excellent
No health implications.
14
PM2.5
39
PM10
37
O3
0.6
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Jun
40
Excellent
Fri
26 Jun
43
Excellent
Sat
27 Jun
57
Good
Sun
28 Jun
67
Good
Mon
29 Jun
64
Good
Tue
30 Jun
44
Excellent
Wed
1 Jul
18
Excellent
Air quality in the last 12 months (Bishan)
|
2026/05
|
50
|
34
|
46
|
43
|
53
|
47
|
45
|
30
|
45
|
60
|
69
|
59
|
41
|
63
|
54
|
34
|
33
|
28
|
34
|
37
|
35
|
34
|
28
|
32
|
31
|
35
|
36
|
39
|
38
|
48
|
40
|
|
2026/04
|
40
|
39
|
35
|
45
|
53
|
48
|
35
|
38
|
40
|
49
|
44
|
37
|
40
|
39
|
35
|
38
|
51
|
49
|
48
|
88
|
50
|
24
|
39
|
41
|
57
|
55
|
44
|
31
|
23
|
34
|
|
|
2026/03
|
41
|
42
|
36
|
33
|
51
|
46
|
38
|
41
|
33
|
29
|
45
|
46
|
54
|
41
|
28
|
36
|
32
|
26
|
36
|
45
|
47
|
46
|
48
|
35
|
37
|
48
|
40
|
33
|
41
|
36
|
27
|
|
2026/02
|
64
|
84
|
78
|
80
|
94
|
115
|
70
|
53
|
50
|
70
|
65
|
78
|
83
|
87
|
106
|
62
|
97
|
93
|
99
|
80
|
79
|
98
|
104
|
45
|
42
|
51
|
46
|
24
|
|||
|
2026/01
|
24
|
19
|
36
|
45
|
54
|
56
|
64
|
72
|
109
|
160
|
175
|
180
|
157
|
176
|
177
|
186
|
194
|
215
|
121
|
22
|
26
|
58
|
59
|
64
|
76
|
79
|
71
|
85
|
87
|
45
|
45
|
|
2025/12
|
131
|
171
|
76
|
61
|
59
|
67
|
74
|
89
|
128
|
120
|
91
|
106
|
42
|
55
|
63
|
83
|
102
|
105
|
121
|
64
|
37
|
36
|
33
|
47
|
42
|
42
|
55
|
63
|
74
|
89
|
45
|
|
2025/11
|
35
|
42
|
45
|
37
|
38
|
28
|
20
|
23
|
30
|
30
|
38
|
43
|
49
|
55
|
33
|
46
|
26
|
24
|
37
|
50
|
59
|
68
|
51
|
57
|
59
|
56
|
69
|
72
|
97
|
111
|
|
|
2025/10
|
45
|
26
|
32
|
25
|
29
|
32
|
47
|
48
|
30
|
55
|
62
|
40
|
21
|
30
|
28
|
36
|
33
|
21
|
16
|
15
|
17
|
21
|
19
|
33
|
26
|
30
|
32
|
34
|
37
|
35
|
40
|
|
2025/09
|
36
|
50
|
47
|
57
|
64
|
21
|
32
|
16
|
32
|
40
|
29
|
18
|
13
|
24
|
26
|
28
|
41
|
25
|
15
|
18
|
32
|
26
|
22
|
27
|
46
|
32
|
35
|
35
|
18
|
31
|
|
|
2025/08
|
36
|
32
|
34
|
36
|
44
|
33
|
27
|
35
|
35
|
34
|
21
|
25
|
29
|
32
|
34
|
24
|
27
|
28
|
25
|
22
|
31
|
34
|
24
|
24
|
29
|
27
|
26
|
27
|
29
|
32
|
26
|
|
2025/07
|
23
|
17
|
17
|
19
|
24
|
30
|
27
|
22
|
16
|
29
|
25
|
27
|
38
|
33
|
34
|
40
|
38
|
34
|
21
|
30
|
28
|
26
|
22
|
20
|
17
|
21
|
27
|
33
|
40
|
39
|
31
|
|
2025/06
|
30
|
27
|
41
|
48
|
56
|
57
|
42
|
25
|
20
|
34
|
37
|
38
|
35
|
39
|
34
|
38
|
29
|
25
|
17
|
26
|
26
|
20
|
20
|
21
|
16
|
27
|
26
|
25
|
24
|
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