Saint Louis, Missouri Weather Forecast | AerisWeather

Local

Saint Louis, MO, US

38.631974, -90.191176

Air Quality

Updated 36 minutes ago

20

Good

Primary Pollutant: PM2.5

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

CO	141 µg/m3 (1)
NO2	3 µg/m3 (2)
SO2	1 µg/m3 (0)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Alton	29	O3	n/a	n/a	n/a	63 (29)	n/a	n/a
Jerseyville	33	O3	2.2 (9)	n/a	n/a	73 (33)	n/a	n/a
Granite City	12	PM2.5	2.9 (12)	n/a	n/a	n/a	n/a	n/a
Baldwin	20	O3	3.3 (14)	n/a	n/a	45 (20)	n/a	n/a
Wood River	28	O3	2.8 (12)	n/a	n/a	61 (28)	n/a	n/a
East Saint Louis	28	O3	3 (12)	n/a	n/a	61 (28)	n/a	n/a
Foley	29	O3	n/a	n/a	n/a	63 (29)	n/a	n/a
Earth City	1	NO2	n/a	n/a	3.008 (1)	n/a	n/a	0.786 (0)
Brooklyn	28	PM2.5	6.8 (28)	7 (6)	5.452 (3)	n/a	229 (2)	1.048 (1)
Brooklyn	8	PM10	2 (8)	9 (8)	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)

Sunday, May 5																				Monday, May 6																								Tuesday, May 7																								Wednesday, May 8																								Thursday, May 9
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	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am
20	20	19	19	18	20	25	31	38	45	55	65	70	67	66	53	37	25	30	21	19	18	24	18	20	27	24	25	24	20	18	20	21	31	40	39	38	36	34	31	25	19	18	22	24	25	25	25	21	33	37	24	24	28	33	34	33	35	33	32	31	29	29	30	32	31	31	29	27	25	25	25	24	24	25	28	26	29	31	31	30	30	31	32	33	33	32	31	30	29	27	26	25	24	24	24	24
PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	O3	PM2.5	PM2.5	O3	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	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	O3	O3	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

NNW	NNW	NNW	N	N	N	N	N	NNE	NNE	NE	NE	NE	NE	ENE	NE	ENE	E	E	E	E	E	ENE	ENE	E	E	E	E	E	E	E	E	ESE	ESE	ESE	ESE	SE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	S	S	S	S	S	S	SSW	SSW	SW	SW	SW	SW	SW	WSW	WSW	WSW	W	W	W	W	WSW	WSW	SW	SSW	S	SSE	SSE	SE	SE	SE	SE	SE	SSE	SSE	SSE	SSE	SSE	S	S	SSW	SSW	SW	WSW	W	W	W	W	W	W	W
8 13	7 11	7 11	6 10	6 10	5 9	5 9	5 9	5 7	4 7	4 7	4 7	5 7	4 7	5 7	4 6	4 7	4 6	4 7	5 8	6 9	5 9	6 10	6 10	6 10	7 11	7 12	8 13	8 13	8 14	9 14	8 14	8 13	8 13	8 13	8 13	8 13	8 13	8 12	7 12	8 13	8 13	9 14	9 14	9 15	9 15	10 16	11 17	12 19	12 20	13 20	13 21	13 21	14 22	14 23	15 24	15 24	15 25	16 25	16 26	16 26	15 24	14 22	13 21	12 19	11 17	10 16	9 14	8 13	7 12	6 9	5 9	6 10	7 11	8 13	9 15	10 17	12 19	13 22	14 22	14 23	15 24	15 25	16 25	16 26	15 24	14 22	14 23	12 19	11 17	10 16	11 17	11 18	11 18	12 19	13 21	14 22
59 14.9	58 14.4	57 13.9	57 13.9	58 14.6	60 15.7	63 17.2	65 18.5	67 19.6	69 20.6	71 21.6	72 22.1	72 22.4	72 22.4	72 22.3	71 21.8	69 20.8	68 19.8	66 19.2	66 18.6	65 18.2	64 17.9	64 17.5	63 17.2	63 17.1	62 16.8	62 16.7	62 16.8	63 17.3	65 18.5	67 19.5	69 20.6	71 21.4	72 22.3	73 23.1	75 23.8	76 24.5	76 24.3	75 24.1	75 23.9	73 22.9	71 21.9	70 20.8	69 20.5	68 20.2	68 19.9	68 19.9	68 19.9	68 19.8	67 19.6	67 19.4	66 19.2	69 20.5	71 21.9	74 23.2	76 24.5	78 25.8	81 27	81 27.4	82 27.7	83 28.1	81 27.2	79 26.4	78 25.5	75 24	72 22.5	70 20.9	68 19.9	66 18.9	64 17.9	63 17.2	62 16.6	61 16	61 15.9	60 15.8	60 15.8	64 17.9	68 20	71 21.9	73 23	75 24.1	77 25.2	78 25.3	78 25.4	78 25.5	77 25	76 24.4	75 23.8	73 22.6	71 21.5	69 20.4	67 19.7	66 19	65 18.3	64 17.8	63 17.3	62 16.8

Source: CAMS, Vaisala Xweather

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