Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
39
*
PM2.5
53
PM10
164
O3
0.6
CO
11
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
24 Aug
64
Good
Tue
25 Aug
60
Good
Wed
26 Aug
70
Good
Thu
27 Aug
72
Good
Fri
28 Aug
57
Good
Sat
29 Aug
52
Good
Sun
30 Aug
44
Excellent
Air quality in the last 12 months (Bishan)
|
2026/07
|
37
|
37
|
39
|
42
|
35
|
35
|
45
|
36
|
35
|
29
|
28
|
33
|
37
|
35
|
34
|
33
|
30
|
31
|
42
|
55
|
54
|
46
|
43
|
41
|
30
|
33
|
32
|
28
|
30
|
30
|
30
|
|
2026/06
|
34
|
43
|
46
|
71
|
57
|
64
|
38
|
25
|
32
|
49
|
51
|
40
|
48
|
50
|
62
|
60
|
41
|
22
|
34
|
40
|
40
|
21
|
26
|
31
|
29
|
18
|
29
|
34
|
26
|
39
|
|
|
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
|
|
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