Saint Louis, Missouri Weather Forecast | AerisWeather

Local

Saint Louis, MO, US

38.631974, -90.191176

Air Quality

Updated 30 minutes ago

25

Good

Primary Pollutant: PM2.5

O3	44 µg/m3 (20)
PM2.5	6 µg/m3 (25)
PM10	11 µg/m3 (10)

CO	269 µg/m3 (3)
NO2	15 µg/m3 (7)
SO2	3 µg/m3 (1)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Alton	27	PM2.5	6.5 (27)	n/a	n/a	n/a	n/a	n/a
Jerseyville	22	PM2.5	5.4 (22)	n/a	n/a	n/a	n/a	n/a
Granite City	26	PM2.5	6.4 (26)	n/a	n/a	n/a	n/a	n/a
Baldwin	24	PM2.5	5.8 (24)	n/a	n/a	n/a	n/a	n/a
Wood River	25	PM2.5	6.1 (25)	n/a	n/a	n/a	n/a	n/a
East Saint Louis	26	PM2.5	6.2 (26)	n/a	n/a	n/a	n/a	n/a
Earth City	11	NO2	n/a	n/a	23 (11)	n/a	n/a	1.31 (1)
Brooklyn	30	PM2.5	7.3 (30)	8 (7)	28 (14)	22 (10)	229 (2)	1.572 (1)
Brooklyn	53	PM2.5	13 (53)	22 (20)	n/a	n/a	n/a	n/a

Source: Illinois EPA, Missouri Department of Natural Resources

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Saturday, Dec 21																		Sunday, Dec 22																								Monday, Dec 23																								Tuesday, Dec 24																								Wednesday, Dec 25
6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am
31	30	29	28	38	34	29	29	28	28	29	55	67	78	87	88	82	75	70	67	62	60	59	60	61	61	61	54	46	38	33	27	28	29	27	25	26	26	27	27	28	28	28	27	26	25	26	26	26	25	29	29	32	32	33	37	38	45	46	50	52	39	39	40	41	42	43	53	51	49	45	45	45	50	54	54	54	52	52	52	52	54	54	54	54	54	54	53	52	52	52	52	54	54	54	55	56
PM2.5	PM2.5	PM2.5	O3	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5

W	N	NNE	NNE	N	N	N	NNE	NNE	NNE	NNE	ESE	N	SE	SSE	SSE	S	S	SSE	S	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	SSE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SW	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E
4 7	4 7	3 5	3 5	4 6	3 5	3 5	2 4	2 4	2 4	2 3	2 2	1 2	1 2	2 4	3 5	2 4	2 3	2 3	2 4	2 4	3 5	3 5	3 5	3 5	6 9	6 9	7 11	9 14	10 16	10 16	10 16	10 16	10 16	10 16	9 14	9 14	9 14	9 14	9 14	9 14	8 13	8 12	8 12	8 12	8 13	8 13	8 13	8 13	8 13	8 13	8 13	9 14	9 15	10 16	10 16	9 15	9 14	8 13	7 11	6 9	5 8	4 7	4 6	3 5	3 5	2 4	2 4	2 4	2 4	2 4	2 4	2 4	3 4	3 5	3 5	4 6	4 7	4 7	4 7	4 7	4 7	4 7	4 7	4 7	4 7	4 7	4 6	4 6	4 6	3 5	3 6	4 6	4 6	4 6	4 6	4 6
28 -2.3	28 -2.3	28 -2.3	28 -2	30 -1.1	32 0.1	34 0.8	35 1.9	36 2.1	36 2.4	36 2	34 1.2	32 0	32 -0.1	30 -1.2	30 -1.4	28 -2.3	28 -2.3	28 -2.5	27 -2.8	27 -2.6	27 -2.9	27 -3	27 -3	27 -2.9	27 -3	28 -2.3	31 -0.3	35 1.4	37 3	39 4.1	41 5.2	43 6.2	43 6.2	42 5.6	39 4.1	37 3	37 2.6	36 2.1	35 1.7	35 1.7	35 1.7	35 1.7	36 2	36 2.3	37 2.6	37 2.9	38 3.1	38 3.4	39 4	40 4.6	41 5.2	43 6.2	45 7.1	46 8	47 8.5	48 9	49 9.5	48 8.9	47 8.3	46 7.7	45 7.3	44 6.9	44 6.5	43 6.2	42 5.8	42 5.4	41 5.1	41 4.9	40 4.6	40 4.3	39 4.1	39 3.8	40 4.4	41 5	42 5.6	43 6.2	44 6.8	45 7.4	45 7.3	45 7.3	45 7.2	45 7.2	45 7.1	45 7	44 6.8	44 6.6	44 6.4	43 6.2	43 6	43 5.8	42 5.7	42 5.6	42 5.4	42 5.3	41 5.1	41 5

Source: CAMS, Vaisala Xweather

Powered by Vaisala Xweather