ID: 878

AQSQID: 510870014

Site Name: Math & Science Ctr

Added: April 21, 2020, 6:24 p.m.

Updated: May 26, 2022, 8:53 p.m.

Location: Richmond (Hartman St), VA

Reporting: True, Located: True

Current AQI: 32.0

Richmond (Hartman St) VA, US: 37.55652, -77.40027

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.19 ppb (3) 11.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
May 26, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.18 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 26, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.18 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 26, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) 0.18 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
May 26, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) 0.18 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
May 26, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.17 ppb (3) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
May 26, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.17 ppb (3) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
May 26, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.17 ppb (3) 12.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
May 26, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.16 ppb (3) 10.0 μg/m3 (10) 5.3 μg/m3 (23) 23.0
 
May 26, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.16 ppb (3) 10.0 μg/m3 (10) 5.3 μg/m3 (23) 23.0
 
May 26, 2022, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 9.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
May 26, 2022, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
May 26, 2022, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 16.0 μg/m3 (15) 7.5 μg/m3 (32) 32.0
 
May 26, 2022, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 13.0 μg/m3 (13) 5.1 μg/m3 (22) 24.0
 
May 26, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.18 ppb (3) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
May 25, 2022, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 22.0
 
May 25, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 12.0 μg/m3 (12) 5.2 μg/m3 (22) 25.0
 
May 25, 2022, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 12.0 μg/m3 (12) 5.2 μg/m3 (22) 25.0
 
May 25, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 24.0
 
May 25, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 12.0 μg/m3 (12) 5.2 μg/m3 (22) 25.0
 
May 25, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 12.0 μg/m3 (12) 5.2 μg/m3 (22) 25.0
 
May 25, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 12.0 μg/m3 (12) 5.7 μg/m3 (24) 25.0
 
May 25, 2022, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 12.0 μg/m3 (12) 5.7 μg/m3 (24) 25.0
 
May 25, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
May 25, 2022, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
May 25, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 16.0 μg/m3 (15) 7.3 μg/m3 (31) 31.0
 
May 25, 2022, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 16.0 μg/m3 (15) 7.3 μg/m3 (31) 31.0
 
May 25, 2022, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 23.0 ppb (22) 0.16 ppb (3) 10.0 μg/m3 (10) 5.3 μg/m3 (23) 23.0
 
May 25, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.17 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 25, 2022, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.17 ppb (3) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
May 25, 2022, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) 0.15 ppb (2) 12.0 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
May 25, 2022, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 24.0
 
May 25, 2022, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 12.0 μg/m3 (12) 4.8 μg/m3 (20) 25.0
 
May 25, 2022, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 6.0 μg/m3 (6) 1.9 μg/m3 (8) 25.0
 
May 25, 2022, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) 4.0 μg/m3 (4) 1.4 μg/m3 (6) 25.0
 
May 24, 2022, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 5.0 μg/m3 (5) 1.3 μg/m3 (6) 26.0
 
May 24, 2022, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 8.0 μg/m3 (8) 2.1 μg/m3 (9) 26.0
 
May 24, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 7.0 μg/m3 (7) 1.4 μg/m3 (6) 26.0
 
May 24, 2022, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 3.0 μg/m3 (3) 1.3 μg/m3 (6) 25.0
 
May 24, 2022, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 4.0 μg/m3 (4) 1.9 μg/m3 (8) 25.0
 
May 24, 2022, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 5.0 μg/m3 (5) 2.5 μg/m3 (11) 29.0
 
May 24, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 8.0 μg/m3 (8) 3.5 μg/m3 (15) 33.0
 
May 24, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 36.0
 
May 24, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.17 ppb (3) 14.0 μg/m3 (13) 4.2 μg/m3 (18) 38.0
 
May 24, 2022, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.18 ppb (3) 11.0 μg/m3 (11) 4.5 μg/m3 (19) 33.0
 
May 24, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 25.0
 
May 24, 2022, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 12.0 μg/m3 (12) 5.7 μg/m3 (24) 24.0
 
May 24, 2022, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 13.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
May 24, 2022, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.19 ppb (3) 18.0 μg/m3 (17) 8.2 μg/m3 (35) 35.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
May 24, 2022, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
May 24, 2022, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
May 24, 2022, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 28.0
 
May 24, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 28.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 31.0
 
May 24, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 31.0
 
May 24, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 32.0
 
May 24, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 32.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.21 ppb (3) 13.0 μg/m3 (13) 5.2 μg/m3 (22) 32.0
 
May 23, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.21 ppb (3) 13.0 μg/m3 (13) 5.2 μg/m3 (22) 32.0
 
May 23, 2022, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 36.0
 
May 23, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 16.0 μg/m3 (15) 5.2 μg/m3 (22) 38.0
 
May 23, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 38.0
 
May 23, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.13 ppb (2) 14.0 μg/m3 (13) 5.3 μg/m3 (23) 31.0
 
May 23, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 14.0 μg/m3 (13) 5.5 μg/m3 (23) 28.0
 
May 23, 2022, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
May 23, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
May 23, 2022, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
May 23, 2022, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.19 ppb (3) 12.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
May 23, 2022, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 15.0 μg/m3 (14) 7.8 μg/m3 (33) 37.0
 
May 23, 2022, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 15.0 μg/m3 (14) 7.8 μg/m3 (33) 37.0
 
May 23, 2022, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.22 ppb (3) 18.0 μg/m3 (17) 12.3 μg/m3 (52) 52.0
 
May 22, 2022, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.24 ppb (3) 22.0 μg/m3 (21) 14.4 μg/m3 (56) 56.0
 
May 22, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 19.0 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
May 22, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 19.0 μg/m3 (18) 12.8 μg/m3 (53) 53.0
 
May 22, 2022, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 19.0 μg/m3 (18) 12.4 μg/m3 (52) 52.0
 
May 22, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 18.0 μg/m3 (17) 12.2 μg/m3 (52) 52.0
 
May 22, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 19.0 μg/m3 (18) 12.1 μg/m3 (51) 51.0
 
May 22, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 16.0 μg/m3 (15) 11.3 μg/m3 (48) 48.0
 
May 22, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 16.0 μg/m3 (15) 10.8 μg/m3 (46) 46.0
 
May 22, 2022, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) 15.0 μg/m3 (14) 9.9 μg/m3 (42) 42.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
May 22, 2022, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
May 22, 2022, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
May 22, 2022, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) 17.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
May 22, 2022, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 16.0 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
May 22, 2022, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 17.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
May 22, 2022, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) 18.0 μg/m3 (17) 10.2 μg/m3 (43) 43.0
 
May 22, 2022, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) 0.19 ppb (3) 18.0 μg/m3 (17) 10.8 μg/m3 (46) 46.0
 
May 22, 2022, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.21 ppb (3) 17.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
May 22, 2022, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 24.0 μg/m3 (23) 8.8 μg/m3 (37) 37.0
 
May 22, 2022, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.19 ppb (3) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
May 22, 2022, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) 19.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
May 22, 2022, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 25.0 μg/m3 (24) 11.3 μg/m3 (48) 48.0
 
May 21, 2022, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.22 ppb (3) 22.0 μg/m3 (21) 13.0 μg/m3 (53) 53.0
 
May 21, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 19.0 μg/m3 (18) 12.2 μg/m3 (52) 52.0
 
May 21, 2022, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 19.0 μg/m3 (18) 12.1 μg/m3 (51) 51.0
 
May 21, 2022, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 18.0 μg/m3 (17) 10.8 μg/m3 (46) 46.0
 
May 21, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 17.0 μg/m3 (16) 10.7 μg/m3 (45) 45.0
 
May 21, 2022, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.18 ppb (3) 17.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
May 21, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.19 ppb (3) 22.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
May 21, 2022, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.2 ppb (3) 23.0 μg/m3 (22) 12.9 μg/m3 (53) 53.0
 
May 21, 2022, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.21 ppb (3) 21.0 μg/m3 (20) 13.7 μg/m3 (55) 55.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.21 ppb (3) 22.0 μg/m3 (21) 14.1 μg/m3 (56) 56.0
 
May 21, 2022, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) 0.21 ppb (3) 22.0 μg/m3 (21) 14.1 μg/m3 (56) 56.0
 
May 21, 2022, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.22 ppb (3) 21.0 μg/m3 (20) 14.1 μg/m3 (56) 56.0
 
May 21, 2022, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.21 ppb (3) 20.0 μg/m3 (19) 14.1 μg/m3 (56) 56.0
 
May 21, 2022, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 20.0 μg/m3 (19) 13.8 μg/m3 (55) 55.0
 
May 21, 2022, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.19 ppb (3) 21.0 μg/m3 (20) 14.4 μg/m3 (56) 56.0
 
May 21, 2022, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.25 ppb (3) 28.0 μg/m3 (26) 19.0 μg/m3 (66) 66.0
 
May 21, 2022, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 30.0 μg/m3 (28) 19.6 μg/m3 (67) 67.0
 
May 21, 2022, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 34.0 ppb (32) 0.31 ppb (4) 31.0 μg/m3 (29) 18.8 μg/m3 (66) 66.0
 
May 21, 2022, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 38.0 ppb (36) 0.29 ppb (4) 32.0 μg/m3 (30) 17.5 μg/m3 (63) 63.0
 
May 21, 2022, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (41) 0.26 ppb (4) 30.0 μg/m3 (28) 16.8 μg/m3 (61) 61.0
 
May 20, 2022, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.23 ppb (3) 29.0 μg/m3 (27) 16.1 μg/m3 (60) 60.0
 
May 20, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.21 ppb (3) 28.0 μg/m3 (26) 15.2 μg/m3 (58) 58.0
 
May 20, 2022, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) 0.21 ppb (3) 30.0 μg/m3 (28) 15.7 μg/m3 (59) 59.0
 
May 20, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.2 ppb (3) 27.0 μg/m3 (25) 13.5 μg/m3 (54) 54.0
 
May 20, 2022, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.2 ppb (3) 26.0 μg/m3 (25) 13.4 μg/m3 (54) 54.0
 
May 20, 2022, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (45) 0.2 ppb (3) 30.0 μg/m3 (28) 16.3 μg/m3 (60) 60.0
 
May 20, 2022, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.22 ppb (3) 36.0 μg/m3 (34) 18.6 μg/m3 (65) 65.0
 
May 20, 2022, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (48) 0.25 ppb (3) 37.0 μg/m3 (35) 21.5 μg/m3 (71) 71.0
 
May 20, 2022, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.3 ppb (4) 39.0 μg/m3 (37) 21.5 μg/m3 (71) 71.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 46.0 μg/m3 (43) 23.5 μg/m3 (75) 75.0
 
May 20, 2022, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (20) 0.53 ppb (6) 29.0 μg/m3 (27) 20.6 μg/m3 (69) 69.0
 
May 20, 2022, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (18) 0.31 ppb (4) 26.0 μg/m3 (25) 19.5 μg/m3 (67) 67.0
 
May 20, 2022, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A 0.21 ppb (3) 24.0 μg/m3 (23) 18.7 μg/m3 (65) 65.0
 
May 20, 2022, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) N/A 25.0 μg/m3 (24) 18.0 μg/m3 (64) 64.0
 
May 20, 2022, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A 21.0 μg/m3 (20) 15.4 μg/m3 (58) 58.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.26 ppb (4) 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
May 20, 2022, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.29 ppb (4) 16.0 μg/m3 (15) 11.1 μg/m3 (47) 47.0
 
May 20, 2022, 4 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (19) 0.33 ppb (4) 17.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
May 20, 2022, 3 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (17) 0.36 ppb (5) 16.0 μg/m3 (15) 10.4 μg/m3 (44) 44.0
 
May 20, 2022, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (22) 0.3 ppb (4) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.32 ppb (4) 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
May 20, 2022, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.32 ppb (4) 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
May 20, 2022, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.4 ppb (5) 20.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
May 20, 2022, midnight N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.4 ppb (5) 20.0 μg/m3 (19) 9.6 μg/m3 (40) 40.0
 
May 19, 2022, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.22 ppb (3) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 46.0
 
May 19, 2022, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.19 ppb (3) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 49.0
 
May 19, 2022, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.19 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 48.0
 
May 19, 2022, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.2 ppb (3) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 49.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.19 ppb (3) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 48.0
 
May 19, 2022, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.19 ppb (3) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 48.0
 
May 19, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.21 ppb (3) 17.0 μg/m3 (16) 8.5 μg/m3 (36) 44.0
 
May 19, 2022, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) 0.23 ppb (3) 22.0 μg/m3 (21) 10.6 μg/m3 (45) 45.0
 
May 19, 2022, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 40.0
 
May 19, 2022, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.17 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 40.0
 
May 19, 2022, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.17 ppb (3) 15.0 μg/m3 (14) 5.8 μg/m3 (25) 39.0
 
May 19, 2022, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.19 ppb (3) 14.0 μg/m3 (13) 6.3 μg/m3 (27) 36.0
 
May 19, 2022, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 37.0
 
May 19, 2022, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (42) 0.21 ppb (3) 15.0 μg/m3 (14) 5.7 μg/m3 (24) 42.0
 
May 18, 2022, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (48) 0.21 ppb (3) 17.0 μg/m3 (16) 5.8 μg/m3 (25) 48.0
 
May 18, 2022, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 59.0 ppb (65) 0.2 ppb (3) 25.0 μg/m3 (24) 5.8 μg/m3 (25) 65.0
 
May 18, 2022, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 57.0 ppb (58) 0.2 ppb (3) 21.0 μg/m3 (20) 5.6 μg/m3 (24) 58.0
 
May 18, 2022, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (51) 0.19 ppb (3) 20.0 μg/m3 (19) 5.1 μg/m3 (22) 51.0
 
May 18, 2022, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 61.0 ppb (71) 0.19 ppb (3) 19.0 μg/m3 (18) 5.1 μg/m3 (22) 71.0
 
May 18, 2022, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (51) 0.18 ppb (3) 19.0 μg/m3 (18) 5.0 μg/m3 (21) 51.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.16 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 45.0
 
May 18, 2022, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.16 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 45.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) 11.0 μg/m3 (11) 3.4 μg/m3 (15) 38.0
 
May 18, 2022, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) 11.0 μg/m3 (11) 3.4 μg/m3 (15) 38.0
 
May 18, 2022, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 10.0 μg/m3 (10) 3.5 μg/m3 (15) 35.0